diff --git a/Makefile.am b/Makefile.am
index 275a4338..40327eae 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -292,10 +292,6 @@ cpuminer_LDADD	= @LIBCURL@ @JANSSON_LIBS@ @PTHREAD_LIBS@ @WS2_LIBS@ -lgmp
 cpuminer_CPPFLAGS = @LIBCURL_CPPFLAGS@ $(ALL_INCLUDES)
 cpuminer_CFLAGS   = -Wno-pointer-sign -Wno-pointer-to-int-cast $(disable_flags)
 
-if HAVE_WINDOWS
-cpuminer_CFLAGS += -Wl,--stack,10485760
-endif
-
 if HAVE_WINDOWS
 # use to profile an object
 # gprof_cflags = -pg -g3
diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index 048d9b97..027427db 100644
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -75,6 +75,10 @@ If not what makes it happen or not happen?
 Change Log
 ----------
 
+v24.7
+
+ARM: compile works for Windows using MSys2 & MingW, see wiki for details.
+
 v24.6
 
 ARM: Fixed scryptn2, x16*, broken in v24.2. 
diff --git a/configure b/configure
index 007f2d6e..e6e19414 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.71 for cpuminer-opt 24.6.
+# Generated by GNU Autoconf 2.71 for cpuminer-opt 24.7.
 #
 #
 # Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
@@ -608,8 +608,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='cpuminer-opt'
 PACKAGE_TARNAME='cpuminer-opt'
-PACKAGE_VERSION='24.6'
-PACKAGE_STRING='cpuminer-opt 24.6'
+PACKAGE_VERSION='24.7'
+PACKAGE_STRING='cpuminer-opt 24.7'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1360,7 +1360,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures cpuminer-opt 24.6 to adapt to many kinds of systems.
+\`configure' configures cpuminer-opt 24.7 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1432,7 +1432,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of cpuminer-opt 24.6:";;
+     short | recursive ) echo "Configuration of cpuminer-opt 24.7:";;
    esac
   cat <<\_ACEOF
 
@@ -1538,7 +1538,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-cpuminer-opt configure 24.6
+cpuminer-opt configure 24.7
 generated by GNU Autoconf 2.71
 
 Copyright (C) 2021 Free Software Foundation, Inc.
@@ -1985,7 +1985,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by cpuminer-opt $as_me 24.6, which was
+It was created by cpuminer-opt $as_me 24.7, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   $ $0$ac_configure_args_raw
@@ -3593,7 +3593,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='cpuminer-opt'
- VERSION='24.6'
+ VERSION='24.7'
 
 
 printf "%s\n" "#define PACKAGE \"$PACKAGE\"" >>confdefs.h
@@ -6502,34 +6502,33 @@ then :
 fi
 
 
-MINGW_TARGET=`$CC -dumpmachine 2>&1`
-case $MINGW_TARGET in
-  arm*-*-*)
-    have_arm=true
-    ;;
-  i*86-*-mingw*)
-    have_x86=true
-    have_win32=true
-    CFLAGS="-Icompat/pthreads $CFLAGS"
-    PTHREAD_LDFLAGS="-Lcompat/pthreads/x86"
-    WS2_LIBS="-lws2_32"
-    ;;
-  x86_64-*-mingw*|amd64-*-mingw*)
-    have_x86_64=true
-    have_win32=true
-    CFLAGS="-Icompat/pthreads $CFLAGS"
-    PTHREAD_LDFLAGS="-Lcompat/pthreads/x64"
-    # SHOULD BE AT END! after -lcrypto #
-    WS2_LIBS="-L/mingw/x86_64-w64-mingw32/lib -lws2_32"
-    ;;
+case $target in
   i*86-*-*)
     have_x86=true
     ;;
   x86_64-*-*|amd64-*-*)
     have_x86_64=true
     ;;
+  arm*-*-*)
+    have_arm=true
+    ;;
+  powerpc*-*-*)
+    have_ppc=true
+    ;;
+esac
+
+PTHREAD_FLAGS="-pthread"
+WS2_LIBS=""
+
+case $target in
+  *-*-mingw*)
+    have_win32=true
+    PTHREAD_FLAGS=""
+    WS2_LIBS="-lws2_32"
+    ;;
 esac
 
+
 # Check whether --enable-assembly was given.
 if test ${enable_assembly+y}
 then :
@@ -6705,10 +6704,7 @@ else $as_nop
 fi
 
 
-# GC2 for GNU static
-if test "x$have_win32" = "xtrue" ; then
-   # MinGW
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthread" >&5
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthread" >&5
 printf %s "checking for pthread_create in -lpthread... " >&6; }
 if test ${ac_cv_lib_pthread_pthread_create+y}
 then :
@@ -6745,18 +6741,94 @@ fi
 printf "%s\n" "$ac_cv_lib_pthread_pthread_create" >&6; }
 if test "x$ac_cv_lib_pthread_pthread_create" = xyes
 then :
-  PTHREAD_LIBS="-lpthreadGC2"
+  PTHREAD_LIBS="-lpthread"
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthreadGC2" >&5
+printf %s "checking for pthread_create in -lpthreadGC2... " >&6; }
+if test ${ac_cv_lib_pthreadGC2_pthread_create+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpthreadGC2  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char pthread_create ();
+int
+main (void)
+{
+return pthread_create ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_pthreadGC2_pthread_create=yes
+else $as_nop
+  ac_cv_lib_pthreadGC2_pthread_create=no
 fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthreadGC2_pthread_create" >&5
+printf "%s\n" "$ac_cv_lib_pthreadGC2_pthread_create" >&6; }
+if test "x$ac_cv_lib_pthreadGC2_pthread_create" = xyes
+then :
+  PTHREAD_LIBS="-lpthreadGC2"
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthreadGC1" >&5
+printf %s "checking for pthread_create in -lpthreadGC1... " >&6; }
+if test ${ac_cv_lib_pthreadGC1_pthread_create+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpthreadGC1  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
 
-else
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthread" >&5
-printf %s "checking for pthread_create in -lpthread... " >&6; }
-if test ${ac_cv_lib_pthread_pthread_create+y}
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+char pthread_create ();
+int
+main (void)
+{
+return pthread_create ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"
+then :
+  ac_cv_lib_pthreadGC1_pthread_create=yes
+else $as_nop
+  ac_cv_lib_pthreadGC1_pthread_create=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthreadGC1_pthread_create" >&5
+printf "%s\n" "$ac_cv_lib_pthreadGC1_pthread_create" >&6; }
+if test "x$ac_cv_lib_pthreadGC1_pthread_create" = xyes
+then :
+  PTHREAD_LIBS="-lpthreadGC1"
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pthread_create in -lpthreadGC" >&5
+printf %s "checking for pthread_create in -lpthreadGC... " >&6; }
+if test ${ac_cv_lib_pthreadGC_pthread_create+y}
 then :
   printf %s "(cached) " >&6
 else $as_nop
   ac_check_lib_save_LIBS=$LIBS
-LIBS="-lpthread  $LIBS"
+LIBS="-lpthreadGC  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -6774,24 +6846,30 @@ return pthread_create ();
 _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
-  ac_cv_lib_pthread_pthread_create=yes
+  ac_cv_lib_pthreadGC_pthread_create=yes
 else $as_nop
-  ac_cv_lib_pthread_pthread_create=no
+  ac_cv_lib_pthreadGC_pthread_create=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_create" >&5
-printf "%s\n" "$ac_cv_lib_pthread_pthread_create" >&6; }
-if test "x$ac_cv_lib_pthread_pthread_create" = xyes
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthreadGC_pthread_create" >&5
+printf "%s\n" "$ac_cv_lib_pthreadGC_pthread_create" >&6; }
+if test "x$ac_cv_lib_pthreadGC_pthread_create" = xyes
 then :
-  PTHREAD_LIBS="-lpthread"
+  PTHREAD_LIBS="-lpthreadGC"
+
+fi
+
 fi
 
 fi
 
-LDFLAGS="$PTHREAD_LDFLAGS $LDFLAGS"
+fi
+
+
+#LDFLAGS="$PTHREAD_LDFLAGS $LDFLAGS"
 # PTHREAD_LIBS="$PTHREAD_LIBS"
 
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether __uint128_t is supported" >&5
@@ -7508,7 +7586,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by cpuminer-opt $as_me 24.6, which was
+This file was extended by cpuminer-opt $as_me 24.7, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -7576,7 +7654,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-cpuminer-opt config.status 24.6
+cpuminer-opt config.status 24.7
 configured by $0, generated by GNU Autoconf 2.71,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index db75565e..57e1deba 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([cpuminer-opt], [24.6])
+AC_INIT([cpuminer-opt], [24.7])
 
 AC_PREREQ([2.59c])
 AC_CANONICAL_SYSTEM
@@ -41,34 +41,33 @@ AC_CHECK_DECLS([be32dec, le32dec, be32enc, le32enc, le16dec, le16enc], [], [],
 AC_FUNC_ALLOCA
 AC_CHECK_FUNCS([getopt_long])
 
-MINGW_TARGET=`$CC -dumpmachine 2>&1`
-case $MINGW_TARGET in
-  arm*-*-*)
-    have_arm=true
-    ;;
-  i*86-*-mingw*)
-    have_x86=true
-    have_win32=true
-    CFLAGS="-Icompat/pthreads $CFLAGS"
-    PTHREAD_LDFLAGS="-Lcompat/pthreads/x86"
-    WS2_LIBS="-lws2_32"
-    ;;
-  x86_64-*-mingw*|amd64-*-mingw*)
-    have_x86_64=true
-    have_win32=true
-    CFLAGS="-Icompat/pthreads $CFLAGS"
-    PTHREAD_LDFLAGS="-Lcompat/pthreads/x64"
-    # SHOULD BE AT END! after -lcrypto #
-    WS2_LIBS="-L/mingw/x86_64-w64-mingw32/lib -lws2_32"
-    ;;
+case $target in
   i*86-*-*)
     have_x86=true
     ;;
   x86_64-*-*|amd64-*-*)
     have_x86_64=true
     ;;
+  arm*-*-*)
+    have_arm=true
+    ;;
+  powerpc*-*-*)
+    have_ppc=true
+    ;;
 esac
 
+PTHREAD_FLAGS="-pthread"
+WS2_LIBS=""
+
+case $target in
+  *-*-mingw*)
+    have_win32=true
+    PTHREAD_FLAGS=""
+    WS2_LIBS="-lws2_32"
+    ;;
+esac
+
+
 AC_ARG_ENABLE([assembly],
   AS_HELP_STRING([--disable-assembly], [disable assembly-language routines]))
 if test x$enable_assembly != xno; then
@@ -113,15 +112,13 @@ fi
 
 AC_CHECK_LIB(jansson, json_loads, request_jansson=false, request_jansson=true)
 
-# GC2 for GNU static
-if test "x$have_win32" = "xtrue" ; then
-   # MinGW
-   AC_CHECK_LIB([pthread], [pthread_create], PTHREAD_LIBS="-lpthreadGC2",[])
-else
-   AC_CHECK_LIB([pthread], [pthread_create], PTHREAD_LIBS="-lpthread",[])
-fi
+AC_CHECK_LIB([pthread], [pthread_create], PTHREAD_LIBS="-lpthread",
+  AC_CHECK_LIB([pthreadGC2], [pthread_create], PTHREAD_LIBS="-lpthreadGC2",
+    AC_CHECK_LIB([pthreadGC1], [pthread_create], PTHREAD_LIBS="-lpthreadGC1",
+      AC_CHECK_LIB([pthreadGC], [pthread_create], PTHREAD_LIBS="-lpthreadGC"
+))))
 
-LDFLAGS="$PTHREAD_LDFLAGS $LDFLAGS"
+#LDFLAGS="$PTHREAD_LDFLAGS $LDFLAGS"
 # PTHREAD_LIBS="$PTHREAD_LIBS"
 
 AC_MSG_CHECKING(whether __uint128_t is supported)
diff --git a/configure~ b/configure~
index c240468c..dacaef89 100755
--- a/configure~
+++ b/configure~
@@ -1,9 +1,9 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.72 for cpuminer-opt 24.6.
+# Generated by GNU Autoconf 2.71 for cpuminer-opt 24.7.
 #
 #
-# Copyright (C) 1992-1996, 1998-2017, 2020-2023 Free Software Foundation,
+# Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
 # Inc.
 #
 #
@@ -15,6 +15,7 @@
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
+as_nop=:
 if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
 then :
   emulate sh
@@ -23,13 +24,12 @@ then :
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else case e in #(
-  e) case `(set -o) 2>/dev/null` in #(
+else $as_nop
+  case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
   *) :
      ;;
-esac ;;
 esac
 fi
 
@@ -101,7 +101,7 @@ IFS=$as_save_IFS
 
      ;;
 esac
-# We did not find ourselves, most probably we were run as 'sh COMMAND'
+# We did not find ourselves, most probably we were run as `sh COMMAND'
 # in which case we are not to be found in the path.
 if test "x$as_myself" = x; then
   as_myself=$0
@@ -131,14 +131,15 @@ case $- in # ((((
 esac
 exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
 # Admittedly, this is quite paranoid, since all the known shells bail
-# out after a failed 'exec'.
+# out after a failed `exec'.
 printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
 exit 255
   fi
   # We don't want this to propagate to other subprocesses.
           { _as_can_reexec=; unset _as_can_reexec;}
 if test "x$CONFIG_SHELL" = x; then
-  as_bourne_compatible="if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+  as_bourne_compatible="as_nop=:
+if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
 then :
   emulate sh
   NULLCMD=:
@@ -146,13 +147,12 @@ then :
   # is contrary to our usage.  Disable this feature.
   alias -g '\${1+\"\$@\"}'='\"\$@\"'
   setopt NO_GLOB_SUBST
-else case e in #(
-  e) case \`(set -o) 2>/dev/null\` in #(
+else \$as_nop
+  case \`(set -o) 2>/dev/null\` in #(
   *posix*) :
     set -o posix ;; #(
   *) :
      ;;
-esac ;;
 esac
 fi
 "
@@ -170,9 +170,8 @@ as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
 if ( set x; as_fn_ret_success y && test x = \"\$1\" )
 then :
 
-else case e in #(
-  e) exitcode=1; echo positional parameters were not saved. ;;
-esac
+else \$as_nop
+  exitcode=1; echo positional parameters were not saved.
 fi
 test x\$exitcode = x0 || exit 1
 blah=\$(echo \$(echo blah))
@@ -186,15 +185,14 @@ test \$(( 1 + 1 )) = 2 || exit 1"
   if (eval "$as_required") 2>/dev/null
 then :
   as_have_required=yes
-else case e in #(
-  e) as_have_required=no ;;
-esac
+else $as_nop
+  as_have_required=no
 fi
   if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null
 then :
 
-else case e in #(
-  e) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+else $as_nop
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 as_found=false
 for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
 do
@@ -227,13 +225,12 @@ IFS=$as_save_IFS
 if $as_found
 then :
 
-else case e in #(
-  e) if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+else $as_nop
+  if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
 	      as_run=a "$SHELL" -c "$as_bourne_compatible""$as_required" 2>/dev/null
 then :
   CONFIG_SHELL=$SHELL as_have_required=yes
-fi ;;
-esac
+fi
 fi
 
 
@@ -255,7 +252,7 @@ case $- in # ((((
 esac
 exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
 # Admittedly, this is quite paranoid, since all the known shells bail
-# out after a failed 'exec'.
+# out after a failed `exec'.
 printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
 exit 255
 fi
@@ -274,8 +271,7 @@ $0: message. Then install a modern shell, or manually run
 $0: the script under such a shell if you do have one."
   fi
   exit 1
-fi ;;
-esac
+fi
 fi
 fi
 SHELL=${CONFIG_SHELL-/bin/sh}
@@ -314,6 +310,14 @@ as_fn_exit ()
   as_fn_set_status $1
   exit $1
 } # as_fn_exit
+# as_fn_nop
+# ---------
+# Do nothing but, unlike ":", preserve the value of $?.
+as_fn_nop ()
+{
+  return $?
+}
+as_nop=as_fn_nop
 
 # as_fn_mkdir_p
 # -------------
@@ -382,12 +386,11 @@ then :
   {
     eval $1+=\$2
   }'
-else case e in #(
-  e) as_fn_append ()
+else $as_nop
+  as_fn_append ()
   {
     eval $1=\$$1\$2
-  } ;;
-esac
+  }
 fi # as_fn_append
 
 # as_fn_arith ARG...
@@ -401,14 +404,21 @@ then :
   {
     as_val=$(( $* ))
   }'
-else case e in #(
-  e) as_fn_arith ()
+else $as_nop
+  as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
-  } ;;
-esac
+  }
 fi # as_fn_arith
 
+# as_fn_nop
+# ---------
+# Do nothing but, unlike ":", preserve the value of $?.
+as_fn_nop ()
+{
+  return $?
+}
+as_nop=as_fn_nop
 
 # as_fn_error STATUS ERROR [LINENO LOG_FD]
 # ----------------------------------------
@@ -482,8 +492,6 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
     /[$]LINENO/=
   ' <$as_myself |
     sed '
-      t clear
-      :clear
       s/[$]LINENO.*/&-/
       t lineno
       b
@@ -532,6 +540,7 @@ esac
 as_echo='printf %s\n'
 as_echo_n='printf %s'
 
+
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
   rm -f conf$$.dir/conf$$.file
@@ -543,9 +552,9 @@ if (echo >conf$$.file) 2>/dev/null; then
   if ln -s conf$$.file conf$$ 2>/dev/null; then
     as_ln_s='ln -s'
     # ... but there are two gotchas:
-    # 1) On MSYS, both 'ln -s file dir' and 'ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; 'ln -s' creates a wrapper executable.
-    # In both cases, we have to default to 'cp -pR'.
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -pR'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
       as_ln_s='cp -pR'
   elif ln conf$$.file conf$$ 2>/dev/null; then
@@ -570,12 +579,10 @@ as_test_x='test -x'
 as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
-as_sed_cpp="y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"
-as_tr_cpp="eval sed '$as_sed_cpp'" # deprecated
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
 
 # Sed expression to map a string onto a valid variable name.
-as_sed_sh="y%*+%pp%;s%[^_$as_cr_alnum]%_%g"
-as_tr_sh="eval sed '$as_sed_sh'" # deprecated
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
 
 test -n "$DJDIR" || exec 7<&0 </dev/null
@@ -601,8 +608,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='cpuminer-opt'
 PACKAGE_TARNAME='cpuminer-opt'
-PACKAGE_VERSION='24.6'
-PACKAGE_STRING='cpuminer-opt 24.6'
+PACKAGE_VERSION='24.7'
+PACKAGE_STRING='cpuminer-opt 24.7'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -665,8 +672,6 @@ HAVE_WINDOWS_TRUE
 WANT_JANSSON_FALSE
 WANT_JANSSON_TRUE
 ALLOCA
-EGREP
-GREP
 am__fastdepCXX_FALSE
 am__fastdepCXX_TRUE
 CXXDEPMODE
@@ -679,6 +684,9 @@ am__fastdepCCAS_TRUE
 CCASDEPMODE
 CCASFLAGS
 CCAS
+EGREP
+GREP
+CPP
 am__fastdepCC_FALSE
 am__fastdepCC_TRUE
 CCDEPMODE
@@ -798,6 +806,7 @@ CFLAGS
 LDFLAGS
 LIBS
 CPPFLAGS
+CPP
 CCAS
 CCASFLAGS
 CXX
@@ -911,7 +920,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: '$ac_useropt'"
+      as_fn_error $? "invalid feature name: \`$ac_useropt'"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -937,7 +946,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: '$ac_useropt'"
+      as_fn_error $? "invalid feature name: \`$ac_useropt'"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1150,7 +1159,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid package name: '$ac_useropt'"
+      as_fn_error $? "invalid package name: \`$ac_useropt'"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1166,7 +1175,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid package name: '$ac_useropt'"
+      as_fn_error $? "invalid package name: \`$ac_useropt'"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1196,8 +1205,8 @@ do
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$ac_optarg ;;
 
-  -*) as_fn_error $? "unrecognized option: '$ac_option'
-Try '$0 --help' for more information"
+  -*) as_fn_error $? "unrecognized option: \`$ac_option'
+Try \`$0 --help' for more information"
     ;;
 
   *=*)
@@ -1205,7 +1214,7 @@ Try '$0 --help' for more information"
     # Reject names that are not valid shell variable names.
     case $ac_envvar in #(
       '' | [0-9]* | *[!_$as_cr_alnum]* )
-      as_fn_error $? "invalid variable name: '$ac_envvar'" ;;
+      as_fn_error $? "invalid variable name: \`$ac_envvar'" ;;
     esac
     eval $ac_envvar=\$ac_optarg
     export $ac_envvar ;;
@@ -1255,7 +1264,7 @@ do
   as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
 done
 
-# There might be people who depend on the old broken behavior: '$host'
+# There might be people who depend on the old broken behavior: `$host'
 # used to hold the argument of --host etc.
 # FIXME: To remove some day.
 build=$build_alias
@@ -1323,7 +1332,7 @@ if test ! -r "$srcdir/$ac_unique_file"; then
   test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
   as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir"
 fi
-ac_msg="sources are in $srcdir, but 'cd $srcdir' does not work"
+ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
 ac_abs_confdir=`(
 	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error $? "$ac_msg"
 	pwd)`
@@ -1351,7 +1360,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-'configure' configures cpuminer-opt 24.6 to adapt to many kinds of systems.
+\`configure' configures cpuminer-opt 24.7 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1365,11 +1374,11 @@ Configuration:
       --help=short        display options specific to this package
       --help=recursive    display the short help of all the included packages
   -V, --version           display version information and exit
-  -q, --quiet, --silent   do not print 'checking ...' messages
+  -q, --quiet, --silent   do not print \`checking ...' messages
       --cache-file=FILE   cache test results in FILE [disabled]
-  -C, --config-cache      alias for '--cache-file=config.cache'
+  -C, --config-cache      alias for \`--cache-file=config.cache'
   -n, --no-create         do not create output files
-      --srcdir=DIR        find the sources in DIR [configure dir or '..']
+      --srcdir=DIR        find the sources in DIR [configure dir or \`..']
 
 Installation directories:
   --prefix=PREFIX         install architecture-independent files in PREFIX
@@ -1377,10 +1386,10 @@ Installation directories:
   --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
                           [PREFIX]
 
-By default, 'make install' will install all the files in
-'$ac_default_prefix/bin', '$ac_default_prefix/lib' etc.  You can specify
-an installation prefix other than '$ac_default_prefix' using '--prefix',
-for instance '--prefix=\$HOME'.
+By default, \`make install' will install all the files in
+\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc.  You can specify
+an installation prefix other than \`$ac_default_prefix' using \`--prefix',
+for instance \`--prefix=\$HOME'.
 
 For better control, use the options below.
 
@@ -1423,7 +1432,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of cpuminer-opt 24.6:";;
+     short | recursive ) echo "Configuration of cpuminer-opt 24.7:";;
    esac
   cat <<\_ACEOF
 
@@ -1456,12 +1465,13 @@ Some influential environment variables:
   LIBS        libraries to pass to the linker, e.g. -l<library>
   CPPFLAGS    (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
               you have headers in a nonstandard directory <include dir>
+  CPP         C preprocessor
   CCAS        assembler compiler command (defaults to CC)
   CCASFLAGS   assembler compiler flags (defaults to CFLAGS)
   CXX         C++ compiler command
   CXXFLAGS    C++ compiler flags
 
-Use these variables to override the choices made by 'configure' or to help
+Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
 
 Report bugs to the package provider.
@@ -1528,10 +1538,10 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-cpuminer-opt configure 24.6
-generated by GNU Autoconf 2.72
+cpuminer-opt configure 24.7
+generated by GNU Autoconf 2.71
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2021 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
@@ -1570,18 +1580,55 @@ printf "%s\n" "$ac_try_echo"; } >&5
        } && test -s conftest.$ac_objext
 then :
   ac_retval=0
-else case e in #(
-  e) printf "%s\n" "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_retval=1 ;;
-esac
+	ac_retval=1
 fi
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
 
 } # ac_fn_c_try_compile
 
+# ac_fn_c_try_cpp LINENO
+# ----------------------
+# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_cpp ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } > conftest.i && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }
+then :
+  ac_retval=0
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+    ac_retval=1
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_cpp
+
 # ac_fn_cxx_try_compile LINENO
 # ----------------------------
 # Try to compile conftest.$ac_ext, and return whether this succeeded.
@@ -1610,12 +1657,11 @@ printf "%s\n" "$ac_try_echo"; } >&5
        } && test -s conftest.$ac_objext
 then :
   ac_retval=0
-else case e in #(
-  e) printf "%s\n" "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_retval=1 ;;
-esac
+	ac_retval=1
 fi
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
@@ -1634,8 +1680,8 @@ printf %s "checking for $2... " >&6; }
 if eval test \${$3+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 #include <$2>
@@ -1643,12 +1689,10 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   eval "$3=yes"
-else case e in #(
-  e) eval "$3=no" ;;
-esac
+else $as_nop
+  eval "$3=no"
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 eval ac_res=\$$3
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -1670,8 +1714,8 @@ printf %s "checking whether $as_decl_name is declared... " >&6; }
 if eval test \${$3+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
+else $as_nop
+  as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
   eval ac_save_FLAGS=\$$6
   as_fn_append $6 " $5"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -1695,14 +1739,12 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   eval "$3=yes"
-else case e in #(
-  e) eval "$3=no" ;;
-esac
+else $as_nop
+  eval "$3=no"
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
   eval $6=\$ac_save_FLAGS
- ;;
-esac
+
 fi
 eval ac_res=\$$3
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -1723,8 +1765,8 @@ printf %s "checking for $2... " >&6; }
 if eval test \${$3+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) eval "$3=no"
+else $as_nop
+  eval "$3=no"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
@@ -1754,14 +1796,12 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-else case e in #(
-  e) eval "$3=yes" ;;
-esac
+else $as_nop
+  eval "$3=yes"
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 eval ac_res=\$$3
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -1801,12 +1841,11 @@ printf "%s\n" "$ac_try_echo"; } >&5
        }
 then :
   ac_retval=0
-else case e in #(
-  e) printf "%s\n" "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_retval=1 ;;
-esac
+	ac_retval=1
 fi
   # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
   # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
@@ -1848,13 +1887,12 @@ printf "%s\n" "$ac_try_echo"; } >&5
   test $ac_status = 0; }; }
 then :
   ac_retval=0
-else case e in #(
-  e) printf "%s\n" "$as_me: program exited with status $ac_status" >&5
+else $as_nop
+  printf "%s\n" "$as_me: program exited with status $ac_status" >&5
        printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-       ac_retval=$ac_status ;;
-esac
+       ac_retval=$ac_status
 fi
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
@@ -1873,15 +1911,15 @@ printf %s "checking for $2... " >&6; }
 if eval test \${$3+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 /* Define $2 to an innocuous variant, in case <limits.h> declares $2.
    For example, HP-UX 11i <limits.h> declares gettimeofday.  */
 #define $2 innocuous_$2
 
 /* System header to define __stub macros and hopefully few prototypes,
-   which can conflict with char $2 (void); below.  */
+   which can conflict with char $2 (); below.  */
 
 #include <limits.h>
 #undef $2
@@ -1892,7 +1930,7 @@ else case e in #(
 #ifdef __cplusplus
 extern "C"
 #endif
-char $2 (void);
+char $2 ();
 /* The GNU C library defines this for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
     something starting with __ and the normal name is an alias.  */
@@ -1911,13 +1949,11 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   eval "$3=yes"
-else case e in #(
-  e) eval "$3=no" ;;
-esac
+else $as_nop
+  eval "$3=no"
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
-    conftest$ac_exeext conftest.$ac_ext ;;
-esac
+    conftest$ac_exeext conftest.$ac_ext
 fi
 eval ac_res=\$$3
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -1949,8 +1985,8 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by cpuminer-opt $as_me 24.6, which was
-generated by GNU Autoconf 2.72.  Invocation command line was
+It was created by cpuminer-opt $as_me 24.7, which was
+generated by GNU Autoconf 2.71.  Invocation command line was
 
   $ $0$ac_configure_args_raw
 
@@ -2196,10 +2232,10 @@ esac
 printf "%s\n" "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
     . "$ac_site_file" \
-      || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+      || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "failed to load site script $ac_site_file
-See 'config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5; }
   fi
 done
 
@@ -2235,7 +2271,9 @@ struct stat;
 /* Most of the following tests are stolen from RCS 5.7 src/conf.sh.  */
 struct buf { int x; };
 struct buf * (*rcsopen) (struct buf *, struct stat *, int);
-static char *e (char **p, int i)
+static char *e (p, i)
+     char **p;
+     int i;
 {
   return p[i];
 }
@@ -2249,21 +2287,6 @@ static char *f (char * (*g) (char **, int), char **p, ...)
   return s;
 }
 
-/* C89 style stringification. */
-#define noexpand_stringify(a) #a
-const char *stringified = noexpand_stringify(arbitrary+token=sequence);
-
-/* C89 style token pasting.  Exercises some of the corner cases that
-   e.g. old MSVC gets wrong, but not very hard. */
-#define noexpand_concat(a,b) a##b
-#define expand_concat(a,b) noexpand_concat(a,b)
-extern int vA;
-extern int vbee;
-#define aye A
-#define bee B
-int *pvA = &expand_concat(v,aye);
-int *pvbee = &noexpand_concat(v,bee);
-
 /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
    function prototypes and stuff, but not \xHH hex character constants.
    These do not provoke an error unfortunately, instead are silently treated
@@ -2291,19 +2314,16 @@ ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]);
 
 # Test code for whether the C compiler supports C99 (global declarations)
 ac_c_conftest_c99_globals='
-/* Does the compiler advertise C99 conformance? */
+// Does the compiler advertise C99 conformance?
 #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L
 # error "Compiler does not advertise C99 conformance"
 #endif
 
-// See if C++-style comments work.
-
 #include <stdbool.h>
 extern int puts (const char *);
 extern int printf (const char *, ...);
 extern int dprintf (int, const char *, ...);
 extern void *malloc (size_t);
-extern void free (void *);
 
 // Check varargs macros.  These examples are taken from C99 6.10.3.5.
 // dprintf is used instead of fprintf to avoid needing to declare
@@ -2353,6 +2373,7 @@ typedef const char *ccp;
 static inline int
 test_restrict (ccp restrict text)
 {
+  // See if C++-style comments work.
   // Iterate through items via the restricted pointer.
   // Also check for declarations in for loops.
   for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i)
@@ -2418,8 +2439,6 @@ ac_c_conftest_c99_main='
   ia->datasize = 10;
   for (int i = 0; i < ia->datasize; ++i)
     ia->data[i] = i * 1.234;
-  // Work around memory leak warnings.
-  free (ia);
 
   // Check named initializers.
   struct named_init ni = {
@@ -2441,7 +2460,7 @@ ac_c_conftest_c99_main='
 
 # Test code for whether the C compiler supports C11 (global declarations)
 ac_c_conftest_c11_globals='
-/* Does the compiler advertise C11 conformance? */
+// Does the compiler advertise C11 conformance?
 #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L
 # error "Compiler does not advertise C11 conformance"
 #endif
@@ -2849,9 +2868,8 @@ IFS=$as_save_IFS
 if $as_found
 then :
 
-else case e in #(
-  e) as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5 ;;
-esac
+else $as_nop
+  as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5
 fi
 
 
@@ -2879,12 +2897,12 @@ for ac_var in $ac_precious_vars; do
   eval ac_new_val=\$ac_env_${ac_var}_value
   case $ac_old_set,$ac_new_set in
     set,)
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: '$ac_var' was set to '$ac_old_val' in the previous run" >&5
-printf "%s\n" "$as_me: error: '$ac_var' was set to '$ac_old_val' in the previous run" >&2;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+printf "%s\n" "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,set)
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: '$ac_var' was not set in the previous run" >&5
-printf "%s\n" "$as_me: error: '$ac_var' was not set in the previous run" >&2;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
+printf "%s\n" "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,);;
     *)
@@ -2893,18 +2911,18 @@ printf "%s\n" "$as_me: error: '$ac_var' was not set in the previous run" >&2;}
 	ac_old_val_w=`echo x $ac_old_val`
 	ac_new_val_w=`echo x $ac_new_val`
 	if test "$ac_old_val_w" != "$ac_new_val_w"; then
-	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: '$ac_var' has changed since the previous run:" >&5
-printf "%s\n" "$as_me: error: '$ac_var' has changed since the previous run:" >&2;}
+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
+printf "%s\n" "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
 	  ac_cache_corrupted=:
 	else
-	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in '$ac_var' since the previous run:" >&5
-printf "%s\n" "$as_me: warning: ignoring whitespace changes in '$ac_var' since the previous run:" >&2;}
+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+printf "%s\n" "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
 	  eval $ac_var=\$ac_old_val
 	fi
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   former value:  '$ac_old_val'" >&5
-printf "%s\n" "$as_me:   former value:  '$ac_old_val'" >&2;}
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   current value: '$ac_new_val'" >&5
-printf "%s\n" "$as_me:   current value: '$ac_new_val'" >&2;}
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
+printf "%s\n" "$as_me:   former value:  \`$ac_old_val'" >&2;}
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
+printf "%s\n" "$as_me:   current value: \`$ac_new_val'" >&2;}
       fi;;
   esac
   # Pass precious variables to config.status.
@@ -2920,11 +2938,11 @@ printf "%s\n" "$as_me:   current value: '$ac_new_val'" >&2;}
   fi
 done
 if $ac_cache_corrupted; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
 printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;}
-  as_fn_error $? "run '${MAKE-make} distclean' and/or 'rm $cache_file'
+  as_fn_error $? "run \`${MAKE-make} distclean' and/or \`rm $cache_file'
 	    and start over" "$LINENO" 5
 fi
 ## -------------------- ##
@@ -2952,16 +2970,15 @@ printf %s "checking build system type... " >&6; }
 if test ${ac_cv_build+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_build_alias=$build_alias
+else $as_nop
+  ac_build_alias=$build_alias
 test "x$ac_build_alias" = x &&
   ac_build_alias=`$SHELL "${ac_aux_dir}config.guess"`
 test "x$ac_build_alias" = x &&
   as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
 ac_cv_build=`$SHELL "${ac_aux_dir}config.sub" $ac_build_alias` ||
   as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $ac_build_alias failed" "$LINENO" 5
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
 printf "%s\n" "$ac_cv_build" >&6; }
@@ -2988,15 +3005,14 @@ printf %s "checking host system type... " >&6; }
 if test ${ac_cv_host+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test "x$host_alias" = x; then
+else $as_nop
+  if test "x$host_alias" = x; then
   ac_cv_host=$ac_cv_build
 else
   ac_cv_host=`$SHELL "${ac_aux_dir}config.sub" $host_alias` ||
     as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $host_alias failed" "$LINENO" 5
 fi
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
 printf "%s\n" "$ac_cv_host" >&6; }
@@ -3023,15 +3039,14 @@ printf %s "checking target system type... " >&6; }
 if test ${ac_cv_target+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test "x$target_alias" = x; then
+else $as_nop
+  if test "x$target_alias" = x; then
   ac_cv_target=$ac_cv_host
 else
   ac_cv_target=`$SHELL "${ac_aux_dir}config.sub" $target_alias` ||
     as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $target_alias failed" "$LINENO" 5
 fi
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_target" >&5
 printf "%s\n" "$ac_cv_target" >&6; }
@@ -3088,8 +3103,8 @@ if test -z "$INSTALL"; then
 if test ${ac_cv_path_install+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+else $as_nop
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
@@ -3143,8 +3158,7 @@ esac
 IFS=$as_save_IFS
 
 rm -rf conftest.one conftest.two conftest.dir
- ;;
-esac
+
 fi
   if test ${ac_cv_path_install+y}; then
     INSTALL=$ac_cv_path_install
@@ -3240,7 +3254,7 @@ test "$program_prefix" != NONE &&
 test "$program_suffix" != NONE &&
   program_transform_name="s&\$&$program_suffix&;$program_transform_name"
 # Double any \ or $.
-# By default was 's,x,x', remove it if useless.
+# By default was `s,x,x', remove it if useless.
 ac_script='s/[\\$]/&&/g;s/;s,x,x,$//'
 program_transform_name=`printf "%s\n" "$program_transform_name" | sed "$ac_script"`
 
@@ -3283,8 +3297,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_STRIP+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$STRIP"; then
+else $as_nop
+  if test -n "$STRIP"; then
   ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3306,8 +3320,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 STRIP=$ac_cv_prog_STRIP
 if test -n "$STRIP"; then
@@ -3329,8 +3342,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_STRIP+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_STRIP"; then
+else $as_nop
+  if test -n "$ac_ct_STRIP"; then
   ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3352,8 +3365,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
 if test -n "$ac_ct_STRIP"; then
@@ -3389,8 +3401,8 @@ if test -z "$MKDIR_P"; then
   if test ${ac_cv_path_mkdir+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+else $as_nop
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin
 do
   IFS=$as_save_IFS
@@ -3404,7 +3416,7 @@ do
 	   as_fn_executable_p "$as_dir$ac_prog$ac_exec_ext" || continue
 	   case `"$as_dir$ac_prog$ac_exec_ext" --version 2>&1` in #(
 	     'mkdir ('*'coreutils) '* | \
-	     *'BusyBox '* | \
+	     'BusyBox '* | \
 	     'mkdir (fileutils) '4.1*)
 	       ac_cv_path_mkdir=$as_dir$ac_prog$ac_exec_ext
 	       break 3;;
@@ -3413,17 +3425,18 @@ do
        done
   done
 IFS=$as_save_IFS
- ;;
-esac
+
 fi
 
   test -d ./--version && rmdir ./--version
   if test ${ac_cv_path_mkdir+y}; then
     MKDIR_P="$ac_cv_path_mkdir -p"
   else
-    # As a last resort, use plain mkdir -p,
-    # in the hope it doesn't have the bugs of ancient mkdir.
-    MKDIR_P='mkdir -p'
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for MKDIR_P within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the value is a relative name.
+    MKDIR_P="$ac_install_sh -d"
   fi
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5
@@ -3438,8 +3451,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_AWK+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$AWK"; then
+else $as_nop
+  if test -n "$AWK"; then
   ac_cv_prog_AWK="$AWK" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3461,8 +3474,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 AWK=$ac_cv_prog_AWK
 if test -n "$AWK"; then
@@ -3484,8 +3496,8 @@ ac_make=`printf "%s\n" "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
 if eval test \${ac_cv_prog_make_${ac_make}_set+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat >conftest.make <<\_ACEOF
+else $as_nop
+  cat >conftest.make <<\_ACEOF
 SHELL = /bin/sh
 all:
 	@echo '@@@%%%=$(MAKE)=@@@%%%'
@@ -3497,8 +3509,7 @@ case `${MAKE-make} -f conftest.make 2>/dev/null` in
   *)
     eval ac_cv_prog_make_${ac_make}_set=no;;
 esac
-rm -f conftest.make ;;
-esac
+rm -f conftest.make
 fi
 if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
@@ -3536,8 +3547,8 @@ printf %s "checking whether $am_make supports nested variables... " >&6; }
 if test ${am_cv_make_support_nested_variables+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if printf "%s\n" 'TRUE=$(BAR$(V))
+else $as_nop
+  if printf "%s\n" 'TRUE=$(BAR$(V))
 BAR0=false
 BAR1=true
 V=1
@@ -3547,8 +3558,7 @@ am__doit:
   am_cv_make_support_nested_variables=yes
 else
   am_cv_make_support_nested_variables=no
-fi ;;
-esac
+fi
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5
 printf "%s\n" "$am_cv_make_support_nested_variables" >&6; }
@@ -3583,7 +3593,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='cpuminer-opt'
- VERSION='24.6'
+ VERSION='24.7'
 
 
 printf "%s\n" "#define PACKAGE \"$PACKAGE\"" >>confdefs.h
@@ -3694,9 +3704,8 @@ printf %s "checking whether to enable maintainer-specific portions of Makefiles.
 if test ${enable_maintainer_mode+y}
 then :
   enableval=$enable_maintainer_mode; USE_MAINTAINER_MODE=$enableval
-else case e in #(
-  e) USE_MAINTAINER_MODE=no ;;
-esac
+else $as_nop
+  USE_MAINTAINER_MODE=no
 fi
 
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $USE_MAINTAINER_MODE" >&5
@@ -3799,8 +3808,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$CC"; then
+else $as_nop
+  if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3822,8 +3831,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -3845,8 +3853,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_CC"; then
+else $as_nop
+  if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3868,8 +3876,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
@@ -3904,8 +3911,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$CC"; then
+else $as_nop
+  if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3927,8 +3934,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -3950,8 +3956,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$CC"; then
+else $as_nop
+  if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   ac_prog_rejected=no
@@ -3990,8 +3996,7 @@ if test $ac_prog_rejected = yes; then
     ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@"
   fi
 fi
-fi ;;
-esac
+fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -4015,8 +4020,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$CC"; then
+else $as_nop
+  if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -4038,8 +4043,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -4065,8 +4069,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_CC"; then
+else $as_nop
+  if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -4088,8 +4092,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
@@ -4127,8 +4130,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$CC"; then
+else $as_nop
+  if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -4150,8 +4153,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -4173,8 +4175,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_CC"; then
+else $as_nop
+  if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -4196,8 +4198,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
@@ -4226,10 +4227,10 @@ fi
 fi
 
 
-test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "no acceptable C compiler found in \$PATH
-See 'config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5; }
 
 # Provide some information about the compiler.
 printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
@@ -4301,8 +4302,8 @@ printf "%s\n" "$ac_try_echo"; } >&5
   printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 then :
-  # Autoconf-2.13 could set the ac_cv_exeext variable to 'no'.
-# So ignore a value of 'no', otherwise this would lead to 'EXEEXT = no'
+  # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
+# So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
 # in a Makefile.  We should not override ac_cv_exeext if it was cached,
 # so that the user can short-circuit this test for compilers unknown to
 # Autoconf.
@@ -4322,7 +4323,7 @@ do
 	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
 	fi
 	# We set ac_cv_exeext here because the later test for it is not
-	# safe: cross compilers may not add the suffix if given an '-o'
+	# safe: cross compilers may not add the suffix if given an `-o'
 	# argument, so we may need to know it at that point already.
 	# Even if this section looks crufty: it has the advantage of
 	# actually working.
@@ -4333,9 +4334,8 @@ do
 done
 test "$ac_cv_exeext" = no && ac_cv_exeext=
 
-else case e in #(
-  e) ac_file='' ;;
-esac
+else $as_nop
+  ac_file=''
 fi
 if test -z "$ac_file"
 then :
@@ -4344,14 +4344,13 @@ printf "%s\n" "no" >&6; }
 printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "C compiler cannot create executables
-See 'config.log' for more details" "$LINENO" 5; }
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; } ;;
-esac
+See \`config.log' for more details" "$LINENO" 5; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
 printf %s "checking for C compiler default output file name... " >&6; }
@@ -4375,10 +4374,10 @@ printf "%s\n" "$ac_try_echo"; } >&5
   printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 then :
-  # If both 'conftest.exe' and 'conftest' are 'present' (well, observable)
-# catch 'conftest.exe'.  For instance with Cygwin, 'ls conftest' will
-# work properly (i.e., refer to 'conftest.exe'), while it won't with
-# 'rm'.
+  # If both `conftest.exe' and `conftest' are `present' (well, observable)
+# catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
+# work properly (i.e., refer to `conftest.exe'), while it won't with
+# `rm'.
 for ac_file in conftest.exe conftest conftest.*; do
   test -f "$ac_file" || continue
   case $ac_file in
@@ -4388,12 +4387,11 @@ for ac_file in conftest.exe conftest conftest.*; do
     * ) break;;
   esac
 done
-else case e in #(
-  e) { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+else $as_nop
+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of executables: cannot compile and link
-See 'config.log' for more details" "$LINENO" 5; } ;;
-esac
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f conftest conftest$ac_cv_exeext
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
@@ -4409,8 +4407,6 @@ int
 main (void)
 {
 FILE *f = fopen ("conftest.out", "w");
- if (!f)
-  return 1;
  return ferror (f) || fclose (f) != 0;
 
   ;
@@ -4450,27 +4446,26 @@ printf "%s\n" "$ac_try_echo"; } >&5
     if test "$cross_compiling" = maybe; then
 	cross_compiling=yes
     else
-	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot run C compiled programs.
-If you meant to cross compile, use '--host'.
-See 'config.log' for more details" "$LINENO" 5; }
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details" "$LINENO" 5; }
     fi
   fi
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
 printf "%s\n" "$cross_compiling" >&6; }
 
-rm -f conftest.$ac_ext conftest$ac_cv_exeext \
-  conftest.o conftest.obj conftest.out
+rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
 ac_clean_files=$ac_clean_files_save
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
 printf %s "checking for suffix of object files... " >&6; }
 if test ${ac_cv_objext+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -4502,18 +4497,16 @@ then :
        break;;
   esac
 done
-else case e in #(
-  e) printf "%s\n" "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of object files: cannot compile
-See 'config.log' for more details" "$LINENO" 5; } ;;
-esac
+See \`config.log' for more details" "$LINENO" 5; }
 fi
-rm -f conftest.$ac_cv_objext conftest.$ac_ext ;;
-esac
+rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
 printf "%s\n" "$ac_cv_objext" >&6; }
@@ -4524,8 +4517,8 @@ printf %s "checking whether the compiler supports GNU C... " >&6; }
 if test ${ac_cv_c_compiler_gnu+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -4542,14 +4535,12 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_compiler_gnu=yes
-else case e in #(
-  e) ac_compiler_gnu=no ;;
-esac
+else $as_nop
+  ac_compiler_gnu=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
 printf "%s\n" "$ac_cv_c_compiler_gnu" >&6; }
@@ -4567,8 +4558,8 @@ printf %s "checking whether $CC accepts -g... " >&6; }
 if test ${ac_cv_prog_cc_g+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_save_c_werror_flag=$ac_c_werror_flag
+else $as_nop
+  ac_save_c_werror_flag=$ac_c_werror_flag
    ac_c_werror_flag=yes
    ac_cv_prog_cc_g=no
    CFLAGS="-g"
@@ -4586,8 +4577,8 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_prog_cc_g=yes
-else case e in #(
-  e) CFLAGS=""
+else $as_nop
+  CFLAGS=""
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -4602,8 +4593,8 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-else case e in #(
-  e) ac_c_werror_flag=$ac_save_c_werror_flag
+else $as_nop
+  ac_c_werror_flag=$ac_save_c_werror_flag
 	 CFLAGS="-g"
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4620,15 +4611,12 @@ if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_prog_cc_g=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-   ac_c_werror_flag=$ac_save_c_werror_flag ;;
-esac
+   ac_c_werror_flag=$ac_save_c_werror_flag
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
 printf "%s\n" "$ac_cv_prog_cc_g" >&6; }
@@ -4655,8 +4643,8 @@ printf %s "checking for $CC option to enable C11 features... " >&6; }
 if test ${ac_cv_prog_cc_c11+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_cv_prog_cc_c11=no
+else $as_nop
+  ac_cv_prog_cc_c11=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4673,28 +4661,25 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cc_c11" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC ;;
-esac
+CC=$ac_save_CC
 fi
 
 if test "x$ac_cv_prog_cc_c11" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else case e in #(
-  e) if test "x$ac_cv_prog_cc_c11" = x
+else $as_nop
+  if test "x$ac_cv_prog_cc_c11" = x
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; }
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
 printf "%s\n" "$ac_cv_prog_cc_c11" >&6; }
-     CC="$CC $ac_cv_prog_cc_c11" ;;
-esac
+     CC="$CC $ac_cv_prog_cc_c11"
 fi
   ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11
-  ac_prog_cc_stdc=c11 ;;
-esac
+  ac_prog_cc_stdc=c11
 fi
 fi
 if test x$ac_prog_cc_stdc = xno
@@ -4704,8 +4689,8 @@ printf %s "checking for $CC option to enable C99 features... " >&6; }
 if test ${ac_cv_prog_cc_c99+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_cv_prog_cc_c99=no
+else $as_nop
+  ac_cv_prog_cc_c99=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4722,28 +4707,25 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cc_c99" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC ;;
-esac
+CC=$ac_save_CC
 fi
 
 if test "x$ac_cv_prog_cc_c99" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else case e in #(
-  e) if test "x$ac_cv_prog_cc_c99" = x
+else $as_nop
+  if test "x$ac_cv_prog_cc_c99" = x
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; }
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
 printf "%s\n" "$ac_cv_prog_cc_c99" >&6; }
-     CC="$CC $ac_cv_prog_cc_c99" ;;
-esac
+     CC="$CC $ac_cv_prog_cc_c99"
 fi
   ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99
-  ac_prog_cc_stdc=c99 ;;
-esac
+  ac_prog_cc_stdc=c99
 fi
 fi
 if test x$ac_prog_cc_stdc = xno
@@ -4753,8 +4735,8 @@ printf %s "checking for $CC option to enable C89 features... " >&6; }
 if test ${ac_cv_prog_cc_c89+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_cv_prog_cc_c89=no
+else $as_nop
+  ac_cv_prog_cc_c89=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4771,28 +4753,25 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cc_c89" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC ;;
-esac
+CC=$ac_save_CC
 fi
 
 if test "x$ac_cv_prog_cc_c89" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else case e in #(
-  e) if test "x$ac_cv_prog_cc_c89" = x
+else $as_nop
+  if test "x$ac_cv_prog_cc_c89" = x
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; }
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
 printf "%s\n" "$ac_cv_prog_cc_c89" >&6; }
-     CC="$CC $ac_cv_prog_cc_c89" ;;
-esac
+     CC="$CC $ac_cv_prog_cc_c89"
 fi
   ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89
-  ac_prog_cc_stdc=c89 ;;
-esac
+  ac_prog_cc_stdc=c89
 fi
 fi
 
@@ -4813,8 +4792,8 @@ printf %s "checking whether $CC understands -c and -o together... " >&6; }
 if test ${am_cv_prog_cc_c_o+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -4844,8 +4823,7 @@ _ACEOF
     fi
   done
   rm -f core conftest*
-  unset am_i ;;
-esac
+  unset am_i
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_c_o" >&5
 printf "%s\n" "$am_cv_prog_cc_c_o" >&6; }
@@ -4871,8 +4849,8 @@ printf %s "checking dependency style of $depcc... " >&6; }
 if test ${am_cv_CC_dependencies_compiler_type+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+else $as_nop
+  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
   # We make a subdir and do the tests there.  Otherwise we can end up
   # making bogus files that we don't know about and never remove.  For
   # instance it was reported that on HP-UX the gcc test will end up
@@ -4976,8 +4954,7 @@ else case e in #(
 else
   am_cv_CC_dependencies_compiler_type=none
 fi
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5
 printf "%s\n" "$am_cv_CC_dependencies_compiler_type" >&6; }
@@ -4996,79 +4973,399 @@ fi
 
 
 
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
+printf %s "checking how to run the C preprocessor... " >&6; }
+# On Suns, sometimes $CPP names a directory.
+if test -n "$CPP" && test -d "$CPP"; then
+  CPP=
+fi
+if test -z "$CPP"; then
+  if test ${ac_cv_prog_CPP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+      # Double quotes because $CC needs to be expanded
+    for CPP in "$CC -E" "$CC -E -traditional-cpp" cpp /lib/cpp
+    do
+      ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <limits.h>
+		     Syntax error
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"
+then :
+
+else $as_nop
+  # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
 
-# By default we simply use the C compiler to build assembly code.
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"
+then :
+  # Broken: success on invalid input.
+continue
+else $as_nop
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
 
-test "${CCAS+set}" = set || CCAS=$CC
-test "${CCASFLAGS+set}" = set || CCASFLAGS=$CFLAGS
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok
+then :
+  break
+fi
 
+    done
+    ac_cv_prog_CPP=$CPP
 
+fi
+  CPP=$ac_cv_prog_CPP
+else
+  ac_cv_prog_CPP=$CPP
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
+printf "%s\n" "$CPP" >&6; }
+ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <limits.h>
+		     Syntax error
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"
+then :
 
-depcc="$CCAS"   am_compiler_list=
+else $as_nop
+  # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5
-printf %s "checking dependency style of $depcc... " >&6; }
-if test ${am_cv_CCAS_dependencies_compiler_type+y}
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"
 then :
-  printf %s "(cached) " >&6
-else case e in #(
-  e) if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
-  # We make a subdir and do the tests there.  Otherwise we can end up
-  # making bogus files that we don't know about and never remove.  For
-  # instance it was reported that on HP-UX the gcc test will end up
-  # making a dummy file named 'D' -- because '-MD' means "put the output
-  # in D".
-  rm -rf conftest.dir
-  mkdir conftest.dir
-  # Copy depcomp to subdir because otherwise we won't find it if we're
-  # using a relative directory.
-  cp "$am_depcomp" conftest.dir
-  cd conftest.dir
-  # We will build objects and dependencies in a subdirectory because
-  # it helps to detect inapplicable dependency modes.  For instance
-  # both Tru64's cc and ICC support -MD to output dependencies as a
-  # side effect of compilation, but ICC will put the dependencies in
-  # the current directory while Tru64 will put them in the object
-  # directory.
-  mkdir sub
+  # Broken: success on invalid input.
+continue
+else $as_nop
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
 
-  am_cv_CCAS_dependencies_compiler_type=none
-  if test "$am_compiler_list" = ""; then
-     am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
-  fi
-  am__universal=false
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok
+then :
 
+else $as_nop
+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details" "$LINENO" 5; }
+fi
 
-  for depmode in $am_compiler_list; do
-    # Setup a source with many dependencies, because some compilers
-    # like to wrap large dependency lists on column 80 (with \), and
-    # we should not choose a depcomp mode which is confused by this.
-    #
-    # We need to recreate these files for each test, as the compiler may
-    # overwrite some of them when testing with obscure command lines.
-    # This happens at least with the AIX C compiler.
-    : > sub/conftest.c
-    for i in 1 2 3 4 5 6; do
-      echo '#include "conftst'$i'.h"' >> sub/conftest.c
-      # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
-      # Solaris 10 /bin/sh.
-      echo '/* dummy */' > sub/conftst$i.h
-    done
-    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-    # We check with '-c' and '-o' for the sake of the "dashmstdout"
-    # mode.  It turns out that the SunPro C++ compiler does not properly
-    # handle '-M -o', and we need to detect this.  Also, some Intel
-    # versions had trouble with output in subdirs.
-    am__obj=sub/conftest.${OBJEXT-o}
-    am__minus_obj="-o $am__obj"
-    case $depmode in
-    gcc)
-      # This depmode causes a compiler race in universal mode.
-      test "$am__universal" = false || continue
-      ;;
-    nosideeffect)
-      # After this tag, mechanisms are not by side-effect, so they'll
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
+printf %s "checking for grep that handles long lines and -e... " >&6; }
+if test ${ac_cv_path_GREP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -z "$GREP"; then
+  ac_path_GREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in grep ggrep
+   do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_GREP="$as_dir$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_GREP" || continue
+# Check for GNU ac_path_GREP and select it if it is found.
+  # Check for GNU $ac_path_GREP
+case `"$ac_path_GREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
+*)
+  ac_count=0
+  printf %s 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    printf "%s\n" 'GREP' >> "conftest.nl"
+    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_GREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_GREP="$ac_path_GREP"
+      ac_path_GREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_GREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_GREP"; then
+    as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
+else
+  ac_cv_path_GREP=$GREP
+fi
+
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
+printf "%s\n" "$ac_cv_path_GREP" >&6; }
+ GREP="$ac_cv_path_GREP"
+
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
+printf %s "checking for egrep... " >&6; }
+if test ${ac_cv_path_EGREP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
+   then ac_cv_path_EGREP="$GREP -E"
+   else
+     if test -z "$EGREP"; then
+  ac_path_EGREP_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
+do
+  IFS=$as_save_IFS
+  case $as_dir in #(((
+    '') as_dir=./ ;;
+    */) ;;
+    *) as_dir=$as_dir/ ;;
+  esac
+    for ac_prog in egrep
+   do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_EGREP="$as_dir$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_EGREP" || continue
+# Check for GNU ac_path_EGREP and select it if it is found.
+  # Check for GNU $ac_path_EGREP
+case `"$ac_path_EGREP" --version 2>&1` in
+*GNU*)
+  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
+*)
+  ac_count=0
+  printf %s 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    printf "%s\n" 'EGREP' >> "conftest.nl"
+    "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_EGREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_EGREP="$ac_path_EGREP"
+      ac_path_EGREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+      $ac_path_EGREP_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_EGREP"; then
+    as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  fi
+else
+  ac_cv_path_EGREP=$EGREP
+fi
+
+   fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
+printf "%s\n" "$ac_cv_path_EGREP" >&6; }
+ EGREP="$ac_cv_path_EGREP"
+
+
+if test $ac_cv_c_compiler_gnu = yes; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC needs -traditional" >&5
+printf %s "checking whether $CC needs -traditional... " >&6; }
+if test ${ac_cv_prog_gcc_traditional+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+    ac_pattern="Autoconf.*'x'"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sgtty.h>
+Autoconf TIOCGETP
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "$ac_pattern" >/dev/null 2>&1
+then :
+  ac_cv_prog_gcc_traditional=yes
+else $as_nop
+  ac_cv_prog_gcc_traditional=no
+fi
+rm -rf conftest*
+
+
+  if test $ac_cv_prog_gcc_traditional = no; then
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <termio.h>
+Autoconf TCGETA
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "$ac_pattern" >/dev/null 2>&1
+then :
+  ac_cv_prog_gcc_traditional=yes
+fi
+rm -rf conftest*
+
+  fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_gcc_traditional" >&5
+printf "%s\n" "$ac_cv_prog_gcc_traditional" >&6; }
+  if test $ac_cv_prog_gcc_traditional = yes; then
+    CC="$CC -traditional"
+  fi
+fi
+
+
+# By default we simply use the C compiler to build assembly code.
+
+test "${CCAS+set}" = set || CCAS=$CC
+test "${CCASFLAGS+set}" = set || CCASFLAGS=$CFLAGS
+
+
+
+depcc="$CCAS"   am_compiler_list=
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking dependency style of $depcc" >&5
+printf %s "checking dependency style of $depcc... " >&6; }
+if test ${am_cv_CCAS_dependencies_compiler_type+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+  # We make a subdir and do the tests there.  Otherwise we can end up
+  # making bogus files that we don't know about and never remove.  For
+  # instance it was reported that on HP-UX the gcc test will end up
+  # making a dummy file named 'D' -- because '-MD' means "put the output
+  # in D".
+  rm -rf conftest.dir
+  mkdir conftest.dir
+  # Copy depcomp to subdir because otherwise we won't find it if we're
+  # using a relative directory.
+  cp "$am_depcomp" conftest.dir
+  cd conftest.dir
+  # We will build objects and dependencies in a subdirectory because
+  # it helps to detect inapplicable dependency modes.  For instance
+  # both Tru64's cc and ICC support -MD to output dependencies as a
+  # side effect of compilation, but ICC will put the dependencies in
+  # the current directory while Tru64 will put them in the object
+  # directory.
+  mkdir sub
+
+  am_cv_CCAS_dependencies_compiler_type=none
+  if test "$am_compiler_list" = ""; then
+     am_compiler_list=`sed -n 's/^#*\([a-zA-Z0-9]*\))$/\1/p' < ./depcomp`
+  fi
+  am__universal=false
+
+
+  for depmode in $am_compiler_list; do
+    # Setup a source with many dependencies, because some compilers
+    # like to wrap large dependency lists on column 80 (with \), and
+    # we should not choose a depcomp mode which is confused by this.
+    #
+    # We need to recreate these files for each test, as the compiler may
+    # overwrite some of them when testing with obscure command lines.
+    # This happens at least with the AIX C compiler.
+    : > sub/conftest.c
+    for i in 1 2 3 4 5 6; do
+      echo '#include "conftst'$i'.h"' >> sub/conftest.c
+      # Using ": > sub/conftst$i.h" creates only sub/conftst1.h with
+      # Solaris 10 /bin/sh.
+      echo '/* dummy */' > sub/conftst$i.h
+    done
+    echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
+
+    # We check with '-c' and '-o' for the sake of the "dashmstdout"
+    # mode.  It turns out that the SunPro C++ compiler does not properly
+    # handle '-M -o', and we need to detect this.  Also, some Intel
+    # versions had trouble with output in subdirs.
+    am__obj=sub/conftest.${OBJEXT-o}
+    am__minus_obj="-o $am__obj"
+    case $depmode in
+    gcc)
+      # This depmode causes a compiler race in universal mode.
+      test "$am__universal" = false || continue
+      ;;
+    nosideeffect)
+      # After this tag, mechanisms are not by side-effect, so they'll
       # only be used when explicitly requested.
       if test "x$enable_dependency_tracking" = xyes; then
 	continue
@@ -5114,8 +5411,7 @@ else case e in #(
 else
   am_cv_CCAS_dependencies_compiler_type=none
 fi
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_CCAS_dependencies_compiler_type" >&5
 printf "%s\n" "$am_cv_CCAS_dependencies_compiler_type" >&6; }
@@ -5140,8 +5436,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_RANLIB+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$RANLIB"; then
+else $as_nop
+  if test -n "$RANLIB"; then
   ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5163,8 +5459,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 RANLIB=$ac_cv_prog_RANLIB
 if test -n "$RANLIB"; then
@@ -5186,8 +5481,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_RANLIB+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_RANLIB"; then
+else $as_nop
+  if test -n "$ac_ct_RANLIB"; then
   ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5209,8 +5504,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
 if test -n "$ac_ct_RANLIB"; then
@@ -5261,8 +5555,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CXX+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$CXX"; then
+else $as_nop
+  if test -n "$CXX"; then
   ac_cv_prog_CXX="$CXX" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5284,8 +5578,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 CXX=$ac_cv_prog_CXX
 if test -n "$CXX"; then
@@ -5311,8 +5604,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_CXX+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_CXX"; then
+else $as_nop
+  if test -n "$ac_ct_CXX"; then
   ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5334,8 +5627,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
 if test -n "$ac_ct_CXX"; then
@@ -5395,8 +5687,8 @@ printf %s "checking whether the compiler supports GNU C++... " >&6; }
 if test ${ac_cv_cxx_compiler_gnu+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -5413,14 +5705,12 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   ac_compiler_gnu=yes
-else case e in #(
-  e) ac_compiler_gnu=no ;;
-esac
+else $as_nop
+  ac_compiler_gnu=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5
 printf "%s\n" "$ac_cv_cxx_compiler_gnu" >&6; }
@@ -5438,8 +5728,8 @@ printf %s "checking whether $CXX accepts -g... " >&6; }
 if test ${ac_cv_prog_cxx_g+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+else $as_nop
+  ac_save_cxx_werror_flag=$ac_cxx_werror_flag
    ac_cxx_werror_flag=yes
    ac_cv_prog_cxx_g=no
    CXXFLAGS="-g"
@@ -5457,8 +5747,8 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   ac_cv_prog_cxx_g=yes
-else case e in #(
-  e) CXXFLAGS=""
+else $as_nop
+  CXXFLAGS=""
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -5473,8 +5763,8 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
 
-else case e in #(
-  e) ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+else $as_nop
+  ac_cxx_werror_flag=$ac_save_cxx_werror_flag
 	 CXXFLAGS="-g"
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -5491,15 +5781,12 @@ if ac_fn_cxx_try_compile "$LINENO"
 then :
   ac_cv_prog_cxx_g=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-   ac_cxx_werror_flag=$ac_save_cxx_werror_flag ;;
-esac
+   ac_cxx_werror_flag=$ac_save_cxx_werror_flag
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5
 printf "%s\n" "$ac_cv_prog_cxx_g" >&6; }
@@ -5523,11 +5810,11 @@ if test x$ac_prog_cxx_stdcxx = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CXX option to enable C++11 features" >&5
 printf %s "checking for $CXX option to enable C++11 features... " >&6; }
-if test ${ac_cv_prog_cxx_cxx11+y}
+if test ${ac_cv_prog_cxx_11+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_cv_prog_cxx_cxx11=no
+else $as_nop
+  ac_cv_prog_cxx_11=no
 ac_save_CXX=$CXX
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -5544,39 +5831,36 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cxx_cxx11" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CXX=$ac_save_CXX ;;
-esac
+CXX=$ac_save_CXX
 fi
 
 if test "x$ac_cv_prog_cxx_cxx11" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else case e in #(
-  e) if test "x$ac_cv_prog_cxx_cxx11" = x
+else $as_nop
+  if test "x$ac_cv_prog_cxx_cxx11" = x
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; }
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx11" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx11" >&5
 printf "%s\n" "$ac_cv_prog_cxx_cxx11" >&6; }
-     CXX="$CXX $ac_cv_prog_cxx_cxx11" ;;
-esac
+     CXX="$CXX $ac_cv_prog_cxx_cxx11"
 fi
   ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx11
-  ac_prog_cxx_stdcxx=cxx11 ;;
-esac
+  ac_prog_cxx_stdcxx=cxx11
 fi
 fi
 if test x$ac_prog_cxx_stdcxx = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CXX option to enable C++98 features" >&5
 printf %s "checking for $CXX option to enable C++98 features... " >&6; }
-if test ${ac_cv_prog_cxx_cxx98+y}
+if test ${ac_cv_prog_cxx_98+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_cv_prog_cxx_cxx98=no
+else $as_nop
+  ac_cv_prog_cxx_98=no
 ac_save_CXX=$CXX
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -5593,28 +5877,25 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cxx_cxx98" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CXX=$ac_save_CXX ;;
-esac
+CXX=$ac_save_CXX
 fi
 
 if test "x$ac_cv_prog_cxx_cxx98" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else case e in #(
-  e) if test "x$ac_cv_prog_cxx_cxx98" = x
+else $as_nop
+  if test "x$ac_cv_prog_cxx_cxx98" = x
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; }
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx98" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx98" >&5
 printf "%s\n" "$ac_cv_prog_cxx_cxx98" >&6; }
-     CXX="$CXX $ac_cv_prog_cxx_cxx98" ;;
-esac
+     CXX="$CXX $ac_cv_prog_cxx_cxx98"
 fi
   ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx98
-  ac_prog_cxx_stdcxx=cxx98 ;;
-esac
+  ac_prog_cxx_stdcxx=cxx98
 fi
 fi
 
@@ -5631,8 +5912,8 @@ printf %s "checking dependency style of $depcc... " >&6; }
 if test ${am_cv_CXX_dependencies_compiler_type+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+else $as_nop
+  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
   # We make a subdir and do the tests there.  Otherwise we can end up
   # making bogus files that we don't know about and never remove.  For
   # instance it was reported that on HP-UX the gcc test will end up
@@ -5736,8 +6017,7 @@ else case e in #(
 else
   am_cv_CXX_dependencies_compiler_type=none
 fi
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_CXX_dependencies_compiler_type" >&5
 printf "%s\n" "$am_cv_CXX_dependencies_compiler_type" >&6; }
@@ -5755,7 +6035,6 @@ fi
 
 
 
-
 ac_header= ac_cache=
 for ac_item in $ac_header_c_list
 do
@@ -5785,77 +6064,6 @@ then :
 printf "%s\n" "#define STDC_HEADERS 1" >>confdefs.h
 
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
-printf %s "checking for grep that handles long lines and -e... " >&6; }
-if test ${ac_cv_path_GREP+y}
-then :
-  printf %s "(cached) " >&6
-else case e in #(
-  e) if test -z "$GREP"; then
-  ac_path_GREP_found=false
-  # Loop through the user's path and test for each of PROGNAME-LIST
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
-do
-  IFS=$as_save_IFS
-  case $as_dir in #(((
-    '') as_dir=./ ;;
-    */) ;;
-    *) as_dir=$as_dir/ ;;
-  esac
-    for ac_prog in grep ggrep
-   do
-    for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_GREP="$as_dir$ac_prog$ac_exec_ext"
-      as_fn_executable_p "$ac_path_GREP" || continue
-# Check for GNU ac_path_GREP and select it if it is found.
-  # Check for GNU $ac_path_GREP
-case `"$ac_path_GREP" --version 2>&1` in #(
-*GNU*)
-  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
-#(
-*)
-  ac_count=0
-  printf %s 0123456789 >"conftest.in"
-  while :
-  do
-    cat "conftest.in" "conftest.in" >"conftest.tmp"
-    mv "conftest.tmp" "conftest.in"
-    cp "conftest.in" "conftest.nl"
-    printf "%s\n" 'GREP' >> "conftest.nl"
-    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
-    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    as_fn_arith $ac_count + 1 && ac_count=$as_val
-    if test $ac_count -gt ${ac_path_GREP_max-0}; then
-      # Best one so far, save it but keep looking for a better one
-      ac_cv_path_GREP="$ac_path_GREP"
-      ac_path_GREP_max=$ac_count
-    fi
-    # 10*(2^10) chars as input seems more than enough
-    test $ac_count -gt 10 && break
-  done
-  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
-esac
-
-      $ac_path_GREP_found && break 3
-    done
-  done
-  done
-IFS=$as_save_IFS
-  if test -z "$ac_cv_path_GREP"; then
-    as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
-  fi
-else
-  ac_cv_path_GREP=$GREP
-fi
- ;;
-esac
-fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
-printf "%s\n" "$ac_cv_path_GREP" >&6; }
- GREP="$ac_cv_path_GREP"
-
-
 # Autoupdate added the next two lines to ensure that your configure
 # script's behavior did not change.  They are probably safe to remove.
 
@@ -5864,8 +6072,8 @@ printf %s "checking for egrep... " >&6; }
 if test ${ac_cv_path_EGREP+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
+else $as_nop
+  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
    then ac_cv_path_EGREP="$GREP -E"
    else
      if test -z "$EGREP"; then
@@ -5887,10 +6095,9 @@ do
       as_fn_executable_p "$ac_path_EGREP" || continue
 # Check for GNU ac_path_EGREP and select it if it is found.
   # Check for GNU $ac_path_EGREP
-case `"$ac_path_EGREP" --version 2>&1` in #(
+case `"$ac_path_EGREP" --version 2>&1` in
 *GNU*)
   ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
-#(
 *)
   ac_count=0
   printf %s 0123456789 >"conftest.in"
@@ -5926,15 +6133,12 @@ else
   ac_cv_path_EGREP=$EGREP
 fi
 
-   fi ;;
-esac
+   fi
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
 printf "%s\n" "$ac_cv_path_EGREP" >&6; }
  EGREP="$ac_cv_path_EGREP"
 
-         EGREP_TRADITIONAL=$EGREP
- ac_cv_path_EGREP_TRADITIONAL=$EGREP
 
 
 ac_fn_c_check_header_compile "$LINENO" "sys/endian.h" "ac_cv_header_sys_endian_h" "$ac_includes_default"
@@ -5976,8 +6180,8 @@ printf %s "checking for $CC options needed to detect all undeclared functions...
 if test ${ac_cv_c_undeclared_builtin_options+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_save_CFLAGS=$CFLAGS
+else $as_nop
+  ac_save_CFLAGS=$CFLAGS
    ac_cv_c_undeclared_builtin_options='cannot detect'
    for ac_arg in '' -fno-builtin; do
      CFLAGS="$ac_save_CFLAGS $ac_arg"
@@ -5996,8 +6200,8 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-else case e in #(
-  e) # This test program should compile successfully.
+else $as_nop
+  # This test program should compile successfully.
         # No library function is consistently available on
         # freestanding implementations, so test against a dummy
         # declaration.  Include always-available headers on the
@@ -6025,29 +6229,26 @@ then :
   if test x"$ac_arg" = x
 then :
   ac_cv_c_undeclared_builtin_options='none needed'
-else case e in #(
-  e) ac_cv_c_undeclared_builtin_options=$ac_arg ;;
-esac
+else $as_nop
+  ac_cv_c_undeclared_builtin_options=$ac_arg
 fi
           break
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
     done
     CFLAGS=$ac_save_CFLAGS
-   ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_undeclared_builtin_options" >&5
 printf "%s\n" "$ac_cv_c_undeclared_builtin_options" >&6; }
   case $ac_cv_c_undeclared_builtin_options in #(
   'cannot detect') :
-    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot make $CC report undeclared builtins
-See 'config.log' for more details" "$LINENO" 5; } ;; #(
+See \`config.log' for more details" "$LINENO" 5; } ;; #(
   'none needed') :
     ac_c_undeclared_builtin_options='' ;; #(
   *) :
@@ -6063,9 +6264,8 @@ ac_fn_check_decl "$LINENO" "be32dec" "ac_cv_have_decl_be32dec" "$ac_includes_def
 if test "x$ac_cv_have_decl_be32dec" = xyes
 then :
   ac_have_decl=1
-else case e in #(
-  e) ac_have_decl=0 ;;
-esac
+else $as_nop
+  ac_have_decl=0
 fi
 printf "%s\n" "#define HAVE_DECL_BE32DEC $ac_have_decl" >>confdefs.h
 ac_fn_check_decl "$LINENO" "le32dec" "ac_cv_have_decl_le32dec" "$ac_includes_default
@@ -6077,9 +6277,8 @@ ac_fn_check_decl "$LINENO" "le32dec" "ac_cv_have_decl_le32dec" "$ac_includes_def
 if test "x$ac_cv_have_decl_le32dec" = xyes
 then :
   ac_have_decl=1
-else case e in #(
-  e) ac_have_decl=0 ;;
-esac
+else $as_nop
+  ac_have_decl=0
 fi
 printf "%s\n" "#define HAVE_DECL_LE32DEC $ac_have_decl" >>confdefs.h
 ac_fn_check_decl "$LINENO" "be32enc" "ac_cv_have_decl_be32enc" "$ac_includes_default
@@ -6091,9 +6290,8 @@ ac_fn_check_decl "$LINENO" "be32enc" "ac_cv_have_decl_be32enc" "$ac_includes_def
 if test "x$ac_cv_have_decl_be32enc" = xyes
 then :
   ac_have_decl=1
-else case e in #(
-  e) ac_have_decl=0 ;;
-esac
+else $as_nop
+  ac_have_decl=0
 fi
 printf "%s\n" "#define HAVE_DECL_BE32ENC $ac_have_decl" >>confdefs.h
 ac_fn_check_decl "$LINENO" "le32enc" "ac_cv_have_decl_le32enc" "$ac_includes_default
@@ -6105,9 +6303,8 @@ ac_fn_check_decl "$LINENO" "le32enc" "ac_cv_have_decl_le32enc" "$ac_includes_def
 if test "x$ac_cv_have_decl_le32enc" = xyes
 then :
   ac_have_decl=1
-else case e in #(
-  e) ac_have_decl=0 ;;
-esac
+else $as_nop
+  ac_have_decl=0
 fi
 printf "%s\n" "#define HAVE_DECL_LE32ENC $ac_have_decl" >>confdefs.h
 ac_fn_check_decl "$LINENO" "le16dec" "ac_cv_have_decl_le16dec" "$ac_includes_default
@@ -6119,9 +6316,8 @@ ac_fn_check_decl "$LINENO" "le16dec" "ac_cv_have_decl_le16dec" "$ac_includes_def
 if test "x$ac_cv_have_decl_le16dec" = xyes
 then :
   ac_have_decl=1
-else case e in #(
-  e) ac_have_decl=0 ;;
-esac
+else $as_nop
+  ac_have_decl=0
 fi
 printf "%s\n" "#define HAVE_DECL_LE16DEC $ac_have_decl" >>confdefs.h
 ac_fn_check_decl "$LINENO" "le16enc" "ac_cv_have_decl_le16enc" "$ac_includes_default
@@ -6133,9 +6329,8 @@ ac_fn_check_decl "$LINENO" "le16enc" "ac_cv_have_decl_le16enc" "$ac_includes_def
 if test "x$ac_cv_have_decl_le16enc" = xyes
 then :
   ac_have_decl=1
-else case e in #(
-  e) ac_have_decl=0 ;;
-esac
+else $as_nop
+  ac_have_decl=0
 fi
 printf "%s\n" "#define HAVE_DECL_LE16ENC $ac_have_decl" >>confdefs.h
 
@@ -6144,11 +6339,10 @@ ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default"
 if test "x$ac_cv_type_size_t" = xyes
 then :
 
-else case e in #(
-  e)
+else $as_nop
+
 printf "%s\n" "#define size_t unsigned int" >>confdefs.h
- ;;
-esac
+
 fi
 
 # The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
@@ -6158,8 +6352,8 @@ printf %s "checking for working alloca.h... " >&6; }
 if test ${ac_cv_working_alloca_h+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <alloca.h>
 int
@@ -6174,13 +6368,11 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_working_alloca_h=yes
-else case e in #(
-  e) ac_cv_working_alloca_h=no ;;
-esac
+else $as_nop
+  ac_cv_working_alloca_h=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
-    conftest$ac_exeext conftest.$ac_ext ;;
-esac
+    conftest$ac_exeext conftest.$ac_ext
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_working_alloca_h" >&5
 printf "%s\n" "$ac_cv_working_alloca_h" >&6; }
@@ -6195,10 +6387,10 @@ printf %s "checking for alloca... " >&6; }
 if test ${ac_cv_func_alloca_works+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_cv_func_alloca_works=$ac_cv_working_alloca_h
-if test "$ac_cv_func_alloca_works" != yes
-then :
+else $as_nop
+  if test $ac_cv_working_alloca_h = yes; then
+  ac_cv_func_alloca_works=yes
+else
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
@@ -6229,14 +6421,15 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_func_alloca_works=yes
+else $as_nop
+  ac_cv_func_alloca_works=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-fi ;;
-esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_alloca_works" >&5
 printf "%s\n" "$ac_cv_func_alloca_works" >&6; }
+fi
 
 if test $ac_cv_func_alloca_works = yes; then
 
@@ -6258,12 +6451,12 @@ printf %s "checking stack direction for C alloca... " >&6; }
 if test ${ac_cv_c_stack_direction+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test "$cross_compiling" = yes
+else $as_nop
+  if test "$cross_compiling" = yes
 then :
   ac_cv_c_stack_direction=0
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $ac_includes_default
 int
@@ -6286,16 +6479,13 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   ac_cv_c_stack_direction=1
-else case e in #(
-  e) ac_cv_c_stack_direction=-1 ;;
-esac
+else $as_nop
+  ac_cv_c_stack_direction=-1
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_stack_direction" >&5
 printf "%s\n" "$ac_cv_c_stack_direction" >&6; }
@@ -6312,9 +6502,10 @@ then :
 fi
 
 
-MINGW_TARGET=`$CC -dumpmachine 2>&1`
-case $MINGW_TARGET in
-  arm*-*-*)
+#MINGW_TARGET=`$CC -dumpmachine 2>&1`
+#case $MINGW_TARGET in
+case $target in
+arm*-*-*)
     have_arm=true
     ;;
   i*86-*-mingw*)
@@ -6395,13 +6586,12 @@ printf "%s\n" "#define USE_XOP 1" >>confdefs.h
       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: The assembler does not support the XOP instruction set." >&5
 printf "%s\n" "$as_me: WARNING: The assembler does not support the XOP instruction set." >&2;}
-     ;;
-esac
+
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we can compile AVX2 code" >&5
@@ -6445,33 +6635,30 @@ printf "%s\n" "#define USE_AVX512 1" >>confdefs.h
         { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
         { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: The assembler does not support the AVX512 instruction set." >&5
 printf "%s\n" "$as_me: WARNING: The assembler does not support the AVX512 instruction set." >&2;}
-       ;;
-esac
+
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: The assembler does not support the AVX2 instruction set." >&5
 printf "%s\n" "$as_me: WARNING: The assembler does not support the AVX2 instruction set." >&2;}
-     ;;
-esac
+
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: The assembler does not support the AVX instruction set." >&5
 printf "%s\n" "$as_me: WARNING: The assembler does not support the AVX instruction set." >&2;}
-   ;;
-esac
+
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
@@ -6481,22 +6668,16 @@ printf %s "checking for json_loads in -ljansson... " >&6; }
 if test ${ac_cv_lib_jansson_json_loads+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_check_lib_save_LIBS=$LIBS
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
 LIBS="-ljansson  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.
-   The 'extern "C"' is for builds by C++ compilers;
-   although this is not generally supported in C code supporting it here
-   has little cost and some practical benefit (sr 110532).  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char json_loads (void);
+   builtin and then its argument prototype would still apply.  */
+char json_loads ();
 int
 main (void)
 {
@@ -6508,23 +6689,20 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_jansson_json_loads=yes
-else case e in #(
-  e) ac_cv_lib_jansson_json_loads=no ;;
-esac
+else $as_nop
+  ac_cv_lib_jansson_json_loads=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS ;;
-esac
+LIBS=$ac_check_lib_save_LIBS
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_jansson_json_loads" >&5
 printf "%s\n" "$ac_cv_lib_jansson_json_loads" >&6; }
 if test "x$ac_cv_lib_jansson_json_loads" = xyes
 then :
   request_jansson=false
-else case e in #(
-  e) request_jansson=true ;;
-esac
+else $as_nop
+  request_jansson=true
 fi
 
 
@@ -6536,22 +6714,16 @@ printf %s "checking for pthread_create in -lpthread... " >&6; }
 if test ${ac_cv_lib_pthread_pthread_create+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_check_lib_save_LIBS=$LIBS
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
 LIBS="-lpthread  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.
-   The 'extern "C"' is for builds by C++ compilers;
-   although this is not generally supported in C code supporting it here
-   has little cost and some practical benefit (sr 110532).  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char pthread_create (void);
+   builtin and then its argument prototype would still apply.  */
+char pthread_create ();
 int
 main (void)
 {
@@ -6563,14 +6735,12 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_pthread_pthread_create=yes
-else case e in #(
-  e) ac_cv_lib_pthread_pthread_create=no ;;
-esac
+else $as_nop
+  ac_cv_lib_pthread_pthread_create=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS ;;
-esac
+LIBS=$ac_check_lib_save_LIBS
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_create" >&5
 printf "%s\n" "$ac_cv_lib_pthread_pthread_create" >&6; }
@@ -6585,22 +6755,16 @@ printf %s "checking for pthread_create in -lpthread... " >&6; }
 if test ${ac_cv_lib_pthread_pthread_create+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_check_lib_save_LIBS=$LIBS
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
 LIBS="-lpthread  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.
-   The 'extern "C"' is for builds by C++ compilers;
-   although this is not generally supported in C code supporting it here
-   has little cost and some practical benefit (sr 110532).  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char pthread_create (void);
+   builtin and then its argument prototype would still apply.  */
+char pthread_create ();
 int
 main (void)
 {
@@ -6612,14 +6776,12 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_pthread_pthread_create=yes
-else case e in #(
-  e) ac_cv_lib_pthread_pthread_create=no ;;
-esac
+else $as_nop
+  ac_cv_lib_pthread_pthread_create=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS ;;
-esac
+LIBS=$ac_check_lib_save_LIBS
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pthread_pthread_create" >&5
 printf "%s\n" "$ac_cv_lib_pthread_pthread_create" >&6; }
@@ -6654,11 +6816,10 @@ printf "%s\n" "#define USE_INT128 1" >>confdefs.h
       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
- ;;
-esac
+
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -6795,8 +6956,8 @@ cat >confcache <<\_ACEOF
 # config.status only pays attention to the cache file if you give it
 # the --recheck option to rerun configure.
 #
-# 'ac_cv_env_foo' variables (set or unset) will be overridden when
-# loading this file, other *unset* 'ac_cv_foo' will be assigned the
+# `ac_cv_env_foo' variables (set or unset) will be overridden when
+# loading this file, other *unset* `ac_cv_foo' will be assigned the
 # following values.
 
 _ACEOF
@@ -6826,14 +6987,14 @@ printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;}
   (set) 2>&1 |
     case $as_nl`(ac_space=' '; set) 2>&1` in #(
     *${as_nl}ac_space=\ *)
-      # 'set' does not quote correctly, so add quotes: double-quote
+      # `set' does not quote correctly, so add quotes: double-quote
       # substitution turns \\\\ into \\, and sed turns \\ into \.
       sed -n \
 	"s/'/'\\\\''/g;
 	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
       ;; #(
     *)
-      # 'set' quotes correctly as required by POSIX, so do not add quotes.
+      # `set' quotes correctly as required by POSIX, so do not add quotes.
       sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
       ;;
     esac |
@@ -6987,6 +7148,7 @@ cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
+as_nop=:
 if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
 then :
   emulate sh
@@ -6995,13 +7157,12 @@ then :
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else case e in #(
-  e) case `(set -o) 2>/dev/null` in #(
+else $as_nop
+  case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
   *) :
      ;;
-esac ;;
 esac
 fi
 
@@ -7073,7 +7234,7 @@ IFS=$as_save_IFS
 
      ;;
 esac
-# We did not find ourselves, most probably we were run as 'sh COMMAND'
+# We did not find ourselves, most probably we were run as `sh COMMAND'
 # in which case we are not to be found in the path.
 if test "x$as_myself" = x; then
   as_myself=$0
@@ -7102,6 +7263,7 @@ as_fn_error ()
 } # as_fn_error
 
 
+
 # as_fn_set_status STATUS
 # -----------------------
 # Set $? to STATUS, without forking.
@@ -7141,12 +7303,11 @@ then :
   {
     eval $1+=\$2
   }'
-else case e in #(
-  e) as_fn_append ()
+else $as_nop
+  as_fn_append ()
   {
     eval $1=\$$1\$2
-  } ;;
-esac
+  }
 fi # as_fn_append
 
 # as_fn_arith ARG...
@@ -7160,12 +7321,11 @@ then :
   {
     as_val=$(( $* ))
   }'
-else case e in #(
-  e) as_fn_arith ()
+else $as_nop
+  as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
-  } ;;
-esac
+  }
 fi # as_fn_arith
 
 
@@ -7248,9 +7408,9 @@ if (echo >conf$$.file) 2>/dev/null; then
   if ln -s conf$$.file conf$$ 2>/dev/null; then
     as_ln_s='ln -s'
     # ... but there are two gotchas:
-    # 1) On MSYS, both 'ln -s file dir' and 'ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; 'ln -s' creates a wrapper executable.
-    # In both cases, we have to default to 'cp -pR'.
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -pR'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
       as_ln_s='cp -pR'
   elif ln conf$$.file conf$$ 2>/dev/null; then
@@ -7331,12 +7491,10 @@ as_test_x='test -x'
 as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
-as_sed_cpp="y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"
-as_tr_cpp="eval sed '$as_sed_cpp'" # deprecated
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
 
 # Sed expression to map a string onto a valid variable name.
-as_sed_sh="y%*+%pp%;s%[^_$as_cr_alnum]%_%g"
-as_tr_sh="eval sed '$as_sed_sh'" # deprecated
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
 
 exec 6>&1
@@ -7351,8 +7509,8 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by cpuminer-opt $as_me 24.6, which was
-generated by GNU Autoconf 2.72.  Invocation command line was
+This file was extended by cpuminer-opt $as_me 24.7, which was
+generated by GNU Autoconf 2.71.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -7384,7 +7542,7 @@ _ACEOF
 
 cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 ac_cs_usage="\
-'$as_me' instantiates files and other configuration actions
+\`$as_me' instantiates files and other configuration actions
 from templates according to the current configuration.  Unless the files
 and actions are specified as TAGs, all are instantiated by default.
 
@@ -7419,11 +7577,11 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-cpuminer-opt config.status 24.6
-configured by $0, generated by GNU Autoconf 2.72,
+cpuminer-opt config.status 24.7
+configured by $0, generated by GNU Autoconf 2.71,
   with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2021 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
@@ -7485,8 +7643,8 @@ do
     ac_need_defaults=false;;
   --he | --h)
     # Conflict between --help and --header
-    as_fn_error $? "ambiguous option: '$1'
-Try '$0 --help' for more information.";;
+    as_fn_error $? "ambiguous option: \`$1'
+Try \`$0 --help' for more information.";;
   --help | --hel | -h )
     printf "%s\n" "$ac_cs_usage"; exit ;;
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
@@ -7494,8 +7652,8 @@ Try '$0 --help' for more information.";;
     ac_cs_silent=: ;;
 
   # This is an error.
-  -*) as_fn_error $? "unrecognized option: '$1'
-Try '$0 --help' for more information." ;;
+  -*) as_fn_error $? "unrecognized option: \`$1'
+Try \`$0 --help' for more information." ;;
 
   *) as_fn_append ac_config_targets " $1"
      ac_need_defaults=false ;;
@@ -7554,7 +7712,7 @@ do
     "compat/Makefile") CONFIG_FILES="$CONFIG_FILES compat/Makefile" ;;
     "compat/jansson/Makefile") CONFIG_FILES="$CONFIG_FILES compat/jansson/Makefile" ;;
 
-  *) as_fn_error $? "invalid argument: '$ac_config_target'" "$LINENO" 5;;
+  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
 done
 
@@ -7574,7 +7732,7 @@ fi
 # creating and moving files from /tmp can sometimes cause problems.
 # Hook for its removal unless debugging.
 # Note that there is a small window in which the directory will not be cleaned:
-# after its creation but before its name has been assigned to '$tmp'.
+# after its creation but before its name has been assigned to `$tmp'.
 $debug ||
 {
   tmp= ac_tmp=
@@ -7598,7 +7756,7 @@ ac_tmp=$tmp
 
 # Set up the scripts for CONFIG_FILES section.
 # No need to generate them if there are no CONFIG_FILES.
-# This happens for instance with './config.status config.h'.
+# This happens for instance with `./config.status config.h'.
 if test -n "$CONFIG_FILES"; then
 
 
@@ -7756,13 +7914,13 @@ fi # test -n "$CONFIG_FILES"
 
 # Set up the scripts for CONFIG_HEADERS section.
 # No need to generate them if there are no CONFIG_HEADERS.
-# This happens for instance with './config.status Makefile'.
+# This happens for instance with `./config.status Makefile'.
 if test -n "$CONFIG_HEADERS"; then
 cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
 BEGIN {
 _ACEOF
 
-# Transform confdefs.h into an awk script 'defines.awk', embedded as
+# Transform confdefs.h into an awk script `defines.awk', embedded as
 # here-document in config.status, that substitutes the proper values into
 # config.h.in to produce config.h.
 
@@ -7872,7 +8030,7 @@ do
   esac
   case $ac_mode$ac_tag in
   :[FHL]*:*);;
-  :L* | :C*:*) as_fn_error $? "invalid tag '$ac_tag'" "$LINENO" 5;;
+  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
   :[FH]-) ac_tag=-:-;;
   :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
   esac
@@ -7894,19 +8052,19 @@ do
       -) ac_f="$ac_tmp/stdin";;
       *) # Look for the file first in the build tree, then in the source tree
 	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
-	 # because $ac_f cannot contain ':'.
+	 # because $ac_f cannot contain `:'.
 	 test -f "$ac_f" ||
 	   case $ac_f in
 	   [\\/$]*) false;;
 	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
 	   esac ||
-	   as_fn_error 1 "cannot find input file: '$ac_f'" "$LINENO" 5;;
+	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
       esac
       case $ac_f in *\'*) ac_f=`printf "%s\n" "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
       as_fn_append ac_file_inputs " '$ac_f'"
     done
 
-    # Let's still pretend it is 'configure' which instantiates (i.e., don't
+    # Let's still pretend it is `configure' which instantiates (i.e., don't
     # use $as_me), people would be surprised to read:
     #    /* config.h.  Generated by config.status.  */
     configure_input='Generated from '`
@@ -8039,7 +8197,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 esac
 _ACEOF
 
-# Neutralize VPATH when '$srcdir' = '.'.
+# Neutralize VPATH when `$srcdir' = `.'.
 # Shell code in configure.ac might set extrasub.
 # FIXME: do we really want to maintain this feature?
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
@@ -8070,9 +8228,9 @@ test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
   { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
   { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
       "$ac_tmp/out"`; test -z "$ac_out"; } &&
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable 'datarootdir'
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&5
-printf "%s\n" "$as_me: WARNING: $ac_file contains a reference to the variable 'datarootdir'
+printf "%s\n" "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&2;}
 
   rm -f "$ac_tmp/stdin"
@@ -8227,15 +8385,15 @@ printf "%s\n" X/"$am_mf" |
    (exit $ac_status); } || am_rc=$?
   done
   if test $am_rc -ne 0; then
-    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "Something went wrong bootstrapping makefile fragments
     for automatic dependency tracking.  If GNU make was not used, consider
     re-running the configure script with MAKE=\"gmake\" (or whatever is
     necessary).  You can also try re-running configure with the
     '--disable-dependency-tracking' option to at least be able to build
     the package (albeit without support for automatic dependency tracking).
-See 'config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5; }
   fi
   { am_dirpart=; unset am_dirpart;}
   { am_filepart=; unset am_filepart;}
diff --git a/sysinfos.c b/sysinfos.c
index 220e3014..3939c13f 100644
--- a/sysinfos.c
+++ b/sysinfos.c
@@ -16,7 +16,12 @@
 #include "miner.h"
 #include "simd-utils.h"
 
-#if defined(__aarch64__)
+// missing on mingw on arm
+#if defined(__aarch64__) && !defined(WIN32)
+#define ARM_AUXV 
+#endif
+
+#if defined(ARM_AUXV)
 // for arm's "cpuid"
 #include <sys/auxv.h>
 #include <asm/hwcap.h>
@@ -309,7 +314,7 @@ static inline void cpuid( unsigned int leaf, unsigned int subleaf,
 #endif
 }
 
-#elif defined(__aarch64__)
+#elif defined(ARM_AUXV)
 
 // Always test if HWCAP variable is defined in the kernel before attempting
 // to compile it. If not defined the feature can't be tested and won't be
@@ -963,7 +968,7 @@ static inline unsigned int avx10_vector_length()
 // ARM SVE vector register length
 static inline int sve_vector_length()
 {
-#if defined(__aarch64__)
+#if defined(ARM_AUXV)
    if ( has_sve() )
       return prctl( (PR_SVE_GET_VL & PR_SVE_VL_LEN_MASK) * 8 );
 #endif
diff --git a/util.c b/util.c
index b610f762..3f95af55 100644
--- a/util.c
+++ b/util.c
@@ -1414,6 +1414,12 @@ static bool send_line( struct stratum_ctx *sctx, char *s )
 		int n;
 		fd_set wd;
 
+// Something nasty going on With Windows on aarch64. This hack prevents
+// corrupting the sctx pointer. This only works if placed inside the while loop.
+#if defined(__aarch64__) && defined(WIN32) && defined(ARM_WIN_HACK)
+      printf("");
+#endif
+
 		FD_ZERO( &wd );
 		FD_SET( sctx->sock, &wd );
 		if ( select( (int) ( sctx->sock + 1 ), NULL, &wd, NULL, &timeout ) < 1 )