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configure.in
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dnl Process this file with autoconf to produce a configure script. -*-m4-*-
dnl %CopyrightBegin%
dnl
dnl Copyright Ericsson AB 1997-2014. All Rights Reserved.
dnl
dnl The contents of this file are subject to the Erlang Public License,
dnl Version 1.1, (the "License"); you may not use this file except in
dnl compliance with the License. You should have received a copy of the
dnl Erlang Public License along with this software. If not, it can be
dnl retrieved online at http://www.erlang.org/.
dnl
dnl Software distributed under the License is distributed on an "AS IS"
dnl basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
dnl the License for the specific language governing rights and limitations
dnl under the License.
dnl
dnl %CopyrightEnd%
dnl The string "FIXME convbreak" means that there is a break of
dnl autoconf convention that should be cleaned up.
AC_INIT(vsn.mk)
AC_PREREQ(2.59)
LM_PRECIOUS_VARS
if test "x$no_recursion" != "xyes" -a "x$OVERRIDE_CONFIG_CACHE" = "x"; then
# We do not want to use a common cache!
cache_file=/dev/null
fi
dnl How to set srcdir absolute is taken from the GNU Emacs distribution
#### Make srcdir absolute, if it isn't already. It's important to
#### avoid running the path through pwd unnecessary, since pwd can
#### give you automounter prefixes, which can go away.
case "${srcdir}" in
/* ) ;;
. )
## We may be able to use the $PWD environment variable to make this
## absolute. But sometimes PWD is inaccurate.
## Make sure CDPATH doesn't affect cd (in case PWD is relative).
CDPATH=
if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`" ;
then
srcdir="$PWD"
else
srcdir="`(cd ${srcdir}; pwd)`"
fi
;;
* ) srcdir="`(cd ${srcdir}; pwd)`" ;;
esac
## Now, make sure that ERL_TOP is set and is the same as srcdir
##
if test -z "$ERL_TOP" || test ! -d $ERL_TOP ; then
AC_MSG_ERROR(You need to set the environment variable ERL_TOP!)
fi
if test x"${ERL_TOP}/erts" != x"$srcdir"; then
AC_MSG_ERROR([You need to run configure with argument --srcdir=${ERL_TOP}/erts])
fi
erl_top=${ERL_TOP}
# Remove old configuration information
/bin/rm -f "$ERL_TOP/erts/CONF_INFO"
# echo XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
# echo X
# echo "X srcdir = $srcdir"
# echo "X ERL_TOP = $ERL_TOP"
# echo X
# echo XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
AC_CONFIG_AUX_DIRS($srcdir/autoconf)
dnl ----------------------------------------------------------------------
dnl Figure out what system we are running on.
dnl ----------------------------------------------------------------------
#
# To configure for free source run ./configure --host=free_source
#
dnl
dnl AC_CANONICAL_HOST does not like free_source as a host specification,
dnl so we make a little special case.
dnl
if test "X$host" != "Xfree_source" -a "X$host" != "Xwin32"; then
AC_CANONICAL_HOST
else
host_os=$host
fi
if test "$cross_compiling" = "yes"; then
CROSS_COMPILING=yes
else
CROSS_COMPILING=no
fi
AC_SUBST(CROSS_COMPILING)
ERL_XCOMP_SYSROOT_INIT
AC_ISC_POSIX
AC_CONFIG_HEADER($host/config.h:config.h.in include/internal/$host/ethread_header_config.h:include/internal/ethread_header_config.h.in include/$host/erl_int_sizes_config.h:include/erl_int_sizes_config.h.in include/$host/erl_native_features_config.h:include/erl_native_features_config.h.in)
dnl ----------------------------------------------------------------------
dnl Optional features.
dnl ----------------------------------------------------------------------
enable_child_waiter_thread=no
ENABLE_ALLOC_TYPE_VARS=
AC_SUBST(ENABLE_ALLOC_TYPE_VARS)
AC_ARG_ENABLE(bootstrap-only,
AS_HELP_STRING([--enable-bootstrap-only],
[enable bootstrap only configuration]),
[ if test "X$enableval" = "Xyes"; then
# Disable stuff not necessary in a bootstrap only system in order
# to speed up things by reducing the amount of stuff needing to be
# built...
enable_threads=no
enable_smp_support=no
with_termcap=no
with_ssl=no
with_ssl_zlib=no
enable_hipe=no
enable_sctp=no
enable_dirty_schedulers=no
fi
])
AC_ARG_ENABLE(threads,
AS_HELP_STRING([--enable-threads], [enable async thread support])
AS_HELP_STRING([--disable-threads], [disable async thread support]),
[ case "$enableval" in
no) enable_threads=no ;;
*) enable_threads=yes ;;
esac ], enable_threads=unknown)
AC_ARG_ENABLE(dirty-schedulers,
AS_HELP_STRING([--enable-dirty-schedulers], [enable dirty scheduler support]),
[ case "$enableval" in
no) enable_dirty_schedulers=no ;;
*) enable_dirty_schedulers=yes ;;
esac ], enable_dirty_schedulers=no)
AC_ARG_ENABLE(halfword-emulator,
AS_HELP_STRING([--enable-halfword-emulator],
[enable halfword emulator (only for 64bit builds). Note: Halfword emulator is marked as deprecated and scheduled for removal in future major release.]),
[ case "$enableval" in
no) enable_halfword_emualtor=no ;;
*) enable_halfword_emulator=yes ;;
esac ], enable_halfword_emulator=unknown)
AC_ARG_ENABLE(smp-support,
AS_HELP_STRING([--enable-smp-support], [enable smp support])
AS_HELP_STRING([--disable-smp-support], [disable smp support]),
[ case "$enableval" in
no) enable_smp_support=no ;;
*) enable_smp_support=yes ;;
esac ], enable_smp_support=unknown)
AC_ARG_ENABLE(smp-require-native-atomics,
AS_HELP_STRING([--disable-smp-require-native-atomics],
[disable the SMP requirement of a native atomic implementation]),
[ case "$enableval" in
no) smp_require_native_atomics=no ;;
*) smp_require_native_atomics=yes ;;
esac ], smp_require_native_atomics=yes)
AC_ARG_WITH(termcap,
AS_HELP_STRING([--with-termcap], [use termcap (default)])
AS_HELP_STRING([--without-termcap],
[do not use any termcap libraries (ncurses,curses,termcap,termlib)]),
[],
[with_termcap=yes])
AC_ARG_ENABLE(lock-checking,
AS_HELP_STRING([--enable-lock-checking], [enable lock checking]),
[ case "$enableval" in
no) enable_lock_check=no ;;
*) enable_lock_check=yes ;;
esac
],
enable_lock_check=no)
AC_ARG_ENABLE(lock-counter,
AS_HELP_STRING([--enable-lock-counter], [enable lock counters]),
[ case "$enableval" in
no) enable_lock_count=no ;;
*) enable_lock_count=yes ;;
esac ], enable_lock_count=no)
AC_ARG_ENABLE(kernel-poll,
AS_HELP_STRING([--enable-kernel-poll], [enable kernel poll support])
AS_HELP_STRING([--disable-kernel-poll], [disable kernel poll support]),
[ case "$enableval" in
no) enable_kernel_poll=no ;;
*) enable_kernel_poll=yes ;;
esac ], enable_kernel_poll=unknown)
AC_ARG_ENABLE(sctp,
AS_HELP_STRING([--enable-sctp], [enable sctp support (default)])
AS_HELP_STRING([--disable-sctp], [disable sctp support]),
[ case "$enableval" in
no) enable_sctp=no ;;
*) enable_sctp=yes ;;
esac ], enable_sctp=unknown)
AC_ARG_ENABLE(hipe,
AS_HELP_STRING([--enable-hipe], [enable hipe support])
AS_HELP_STRING([--disable-hipe], [disable hipe support]))
AC_ARG_ENABLE(native-libs,
AS_HELP_STRING([--enable-native-libs],
[compile Erlang libraries to native code]))
AC_ARG_ENABLE(fp-exceptions,
AS_HELP_STRING([--enable-fp-exceptions],
[use hardware floating point exceptions (default if hipe enabled)]),
[ case "$enableval" in
no) enable_fp_exceptions=no ;;
*) enable_fp_exceptions=yes ;;
esac
],enable_fp_exceptions=auto)
AC_ARG_ENABLE(darwin-universal,
AS_HELP_STRING([--enable-darwin-universal],
[build universal binaries on darwin i386]),
[ case "$enableval" in
no) enable_darwin_universal=no ;;
*) enable_darwin_univeral=yes ;;
esac
],enable_darwin_universal=no)
AC_ARG_ENABLE(darwin-64bit,
AS_HELP_STRING([--enable-darwin-64bit], [build 64bit binaries on darwin]),
[ case "$enableval" in
no) enable_darwin_64bit=no ;;
*) enable_darwin_64bit=yes ;;
esac
],enable_darwin_64bit=no)
AC_ARG_ENABLE(m64-build,
AS_HELP_STRING([--enable-m64-build],
[build 64bit binaries using the -m64 flag to (g)cc]),
[ case "$enableval" in
no) enable_m64_build=no ;;
*) enable_m64_build=yes ;;
esac
],enable_m64_build=no)
AC_ARG_ENABLE(m32-build,
AS_HELP_STRING([--enable-m32-build],
[build 32bit binaries using the -m32 flag to (g)cc]),
[ case "$enableval" in
no) enable_m32_build=no ;;
*)
if test X${enable_darwin_64bit} = Xyes -o X${enable_m64_build} = Xyes;
then
AC_MSG_ERROR([(--enable-darwin-64bit or --enable-m64-build) and --enable-m32-build are mutually exclusive]) ;
fi ;
enable_m32_build=yes ;;
esac
],enable_m32_build=no)
AC_SUBST(PERFCTR_PATH)
AC_ARG_WITH(perfctr,
AS_HELP_STRING([--with-perfctr=PATH],
[specify location of perfctr include and lib])
AS_HELP_STRING([--without-perfctr], [don't use perfctr (default)]))
if test "x$with_perfctr" = "xno" -o "x$with_perfctr" = "x" ; then
PERFCTR_PATH=
else
if test ! -f "$with_perfctr/usr.lib/libperfctr.a" ; then
AC_MSG_ERROR(Invalid path to option --with-perfctr=PATH)
fi
PERFCTR_PATH="$with_perfctr"
AC_DEFINE(USE_PERFCTR,[1],
[Define to enable hrvtime() on Linux systems with perfctr extension])
fi
AC_ARG_WITH(dynamic-trace,
AS_HELP_STRING([--with-dynamic-trace={dtrace|systemtap}],
[specify use of dynamic trace framework, dtrace or systemtap])
AS_HELP_STRING([--without-dynamic-trace],
[don't enable any dynamic tracing (default)]))
if test X"$with_dynamic_trace" = X""; then
with_dynamic_trace=no
fi
case "$with_dynamic_trace" in
no) DYNAMIC_TRACE_FRAMEWORK=;;
dtrace)
AC_DEFINE(USE_DTRACE,[1],
[Define if you want to use dtrace for dynamic tracing])
DYNAMIC_TRACE_FRAMEWORK=dtrace;;
systemtap)
AC_DEFINE(USE_SYSTEMTAP,[1],
[Define if you want to use systemtap for dynamic tracing])
DYNAMIC_TRACE_FRAMEWORK=systemtap;;
*)
AC_MSG_ERROR(Unknown dynamic tracing framework specified with --with-dynamic-trace!);;
esac
if test X"$DYNAMIC_TRACE_FRAMEWORK" != X""; then
AC_DEFINE(USE_DYNAMIC_TRACE,[1],
[Define if you want to use dynamic tracing])
fi
AC_ARG_ENABLE(vm-probes,
AS_HELP_STRING([--enable-vm-probes],
[add dynamic trace probes to the Beam VM (only possible if --with-dynamic-trace is enabled, and then default)]),
[ case "$enableval" in
no) use_vm_probes=no ;;
*)
if test X"$DYNAMIC_TRACE_FRAMEWORK" != X""; then
use_vm_probes=yes ;
else
AC_MSG_ERROR(Can not enable VM probes without any dynamic tracing framework!);
fi;;
esac ], if test X"$DYNAMIC_TRACE_FRAMEWORK" != X""; then
use_vm_probes=yes ;
else
use_vm_probes=no
fi)
AC_SUBST(USE_VM_PROBES)
if test X"$use_vm_probes" = X"yes"; then
USE_VM_PROBES=yes
AC_DEFINE(USE_VM_PROBES,[1],
[Define to enable VM dynamic trace probes])
fi
AC_ARG_ENABLE(clock-gettime,
AS_HELP_STRING([--enable-clock-gettime],
[use clock-gettime for time correction]),
[ case "$enableval" in
no) clock_gettime_correction=no ;;
*) clock_gettime_correction=yes ;;
esac ], clock_gettime_correction=unknown)
AC_ARG_WITH(assumed-cache-line-size,
AS_HELP_STRING([--with-assumed-cache-line-size=SIZE],
[specify assumed cache line size in bytes (valid values are powers of two between and including 16 and 8192; default is 64)]))
dnl Require the assumed cache-line size to be a power of two between 16 and 8192
case "$with_assumed_cache_line_size" in
""|no|yes)
with_assumed_cache_line_size=64;;
16|32|64|128|256|512|1024|2048|4096|8192)
;;
*)
AC_MSG_ERROR([Invalid assumed cache-line size of $with_assumed_cache_line_size bytes])
;;
esac
AC_DEFINE_UNQUOTED(ASSUMED_CACHE_LINE_SIZE,
$with_assumed_cache_line_size,
[Assumed cache-line size (in bytes)])
AC_ARG_ENABLE(systemd,
AS_HELP_STRING([--enable-systemd], [enable systemd support in epmd]),
[],
[enable_systemd=no])
dnl Magic test for clearcase.
OTP_RELEASE=
if test "${ERLANG_COMMERCIAL_BUILD}" != ""; then
OTP_EXTRA_FLAGS=-DOTP_RELEASE
OTP_RELEASE=yes
else
OTP_EXTRA_FLAGS=
fi
AC_SUBST(OTP_RELEASE)
AC_MSG_CHECKING([OTP release])
[SYSTEM_VSN=`cat $ERL_TOP/OTP_VERSION | sed "s|\([0-9]*\).*|\1|"`]
AC_MSG_RESULT([$SYSTEM_VSN])
AC_SUBST(SYSTEM_VSN)
AC_MSG_CHECKING([OTP version])
[OTP_VERSION=`cat $ERL_TOP/OTP_VERSION`]
AC_MSG_RESULT([$OTP_VERSION])
AC_SUBST(OTP_VERSION)
dnl OK, we might have darwin switches off different kinds, lets
dnl check it all before continuing.
TMPSYS=`uname -s`-`uname -m`
if test X${enable_darwin_universal} = Xyes; then
if test X${enable_darwin_64bit} = Xyes; then
AC_MSG_ERROR([--enable-darwin-universal and --enable-darwin-64bit mutually exclusive])
fi
enable_hipe=no
case $CFLAGS in
*-arch\ ppc*)
;;
*)
CFLAGS="-arch ppc $CFLAGS"
;;
esac
case $CFLAGS in
*-arch\ i386*)
;;
*)
CFLAGS="-arch i386 $CFLAGS"
;;
esac
fi
if test X${enable_darwin_64bit} = Xyes; then
case "$TMPSYS" in
Darwin-i386|Darwin-x86_64)
;;
Darwin*)
AC_MSG_ERROR([--enable-darwin-64bit only supported on x86 hosts])
;;
*)
AC_MSG_ERROR([--enable-darwin-64bit only supported on Darwin])
;;
esac
fi
if test X${enable_darwin_64bit} = Xyes -o X${enable_m64_build} = Xyes; then
case $CFLAGS in
*-m64*)
;;
*)
CFLAGS="-m64 $CFLAGS"
;;
esac
else
if test X${enable_m32_build} = Xyes;
then
enable_hipe=no;
case $CFLAGS in
*-m32*)
;;
*)
CFLAGS="-m32 $CFLAGS"
;;
esac ;
fi
fi
AC_ARG_ENABLE(static-nifs,
AS_HELP_STRING([--enable-static-nifs], [link nifs statically. If yes then all nifs in all Erlang/OTP applications will be statically linked into the main binary. It is also possible to give a list of nifs that should be linked statically. The list should be a comma separated and contain the absolute path to a .a archive for each nif that is to be statically linked. The name of the .a archive has to be the same as the name of the nif. Note that you have to link any external dependencies that the nifs have to the main binary, so for the crypto nif you want to pass LIBS=-lcrypto to configure.]),
STATIC_NIFS="$enableval",
STATIC_NIFS=no)
AC_SUBST(STATIC_NIFS)
AC_ARG_ENABLE(static-drivers,
AS_HELP_STRING([--enable-static-drivers], [comma separated list of linked-in drivers to link statically with the main binary. The list should contain the absolute path to a .a archive for each driver that is to be statically linked. The name of the .a archive has to be the same as the name of the driver.]),
STATIC_DRIVERS="$enableval",
STATIC_DRIVERS=no)
AC_SUBST(STATIC_DRIVERS)
AC_ARG_WITH(ets-write-concurrency-locks,
AS_HELP_STRING([--with-ets-write-concurrency-locks={8|16|32|64|128|256}],
[specify how many locks the write_concurrency option for ets should use.])
AS_HELP_STRING([--without-ets-write-concurrency-locks],
[use the default number of write_concurrency locks (default)]))
if test X"$with_ets_write_concurrency_locks" != X""; then
AC_DEFINE_UNQUOTED(ERTS_DB_HASH_LOCK_CNT,$with_ets_write_concurrency_locks,
[Define to override the default number of write_concurrency locks])
fi
dnl ----------------------------------------------------------------------
dnl Checks for programs.
dnl ----------------------------------------------------------------------
AC_PROG_CC
AC_SUBST(GCC)
dnl ---------------------------------------------------------------------
dnl Special stuff regarding CFLAGS and details in the environment...
dnl ---------------------------------------------------------------------
dnl NOTE: CPPFLAGS will be included in CFLAGS at the end
case $host_os in
linux*) CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE";;
win32)
# The ethread library requires _WIN32_WINNT of at least 0x0403.
# -D_WIN32_WINNT=* from CPPFLAGS is saved in ETHR_DEFS.
CPPFLAGS="$CPPFLAGS -D_WIN32_WINNT=0x0501 -DWINVER=0x0501"
;;
darwin*)
CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE"
;;
*)
;;
esac
LM_WINDOWS_ENVIRONMENT
dnl
dnl Flags to the C compiler
dnl
dnl Make sure we find config.h
dnl
extra_flags="-I${ERL_TOP}/erts/$host $OTP_EXTRA_FLAGS"
CFLAGS="$CFLAGS $extra_flags"
DEBUG_CFLAGS="-g $CPPFLAGS $extra_flags $DEBUG_CFLAGS"
DEBUG_FLAGS=-g
dnl
dnl Adjust DEBUG_CFLAGS to match CFLAGS in terms of -m
dnl
case $CFLAGS in
*-m64*)
case $DEBUG_CFLAGS in
*-m64*)
;;
*)
DEBUG_CFLAGS="-m64 $DEBUG_CFLAGS"
;;
esac
;;
*-m32*)
case $DEBUG_CFLAGS in
*-m32*)
;;
*)
DEBUG_CFLAGS="-m32 $DEBUG_CFLAGS"
;;
esac
;;
*)
;;
esac
CFLAG_RUNTIME_LIBRARY_PATH="-Wl,-R"
case $host_os in
darwin*)
CFLAG_RUNTIME_LIBRARY_PATH=
;;
win32)
CFLAG_RUNTIME_LIBRARY_PATH=
;;
osf*)
CFLAG_RUNTIME_LIBRARY_PATH="-Wl,-rpath,"
;;
*)
;;
esac
lfs_conf=ok
lfs_source=none
if test "${LFS_CFLAGS+set}" = "set" || \
test "${LFS_LDFLAGS+set}" = "set" || \
test "${LFS_LIBS+set}" = "set"; then
lfs_source=user
else
LM_CHECK_GETCONF
test "$GETCONF" = "false" || lfs_source=getconf
fi
if test "$lfs_source" = "none"; then
AC_MSG_WARN([Do not know how to check for large file support flags; no getconf is available])
else
for var in CFLAGS LDFLAGS LIBS; do
AC_MSG_CHECKING([for large file support $var])
if test $lfs_source = user; then
eval "lfs_val=\"\$LFS_$var\""
else
eval "lfs_var=LFS_$var"
lfs_val=`$GETCONF $lfs_var 2>/dev/null` || lfs_conf=failed
if test $lfs_conf = failed; then
AC_MSG_RESULT([failed])
break
fi
eval "$lfs_var=\"$lfs_val\""
fi
test "$lfs_val" != "" || lfs_val=none
AC_MSG_RESULT([$lfs_val])
done
if test $lfs_conf = failed; then
AC_MSG_WARN([Check for large file support flags failed; $GETCONF failed])
else
CFLAGS="$CFLAGS $LFS_CFLAGS"
DEBUG_CFLAGS="$DEBUG_CFLAGS $LFS_CFLAGS"
LDFLAGS="$LDFLAGS $LFS_LDFLAGS"
LIBS="$LIBS $LFS_LIBS"
fi
fi
if test "x$GCC" = xyes; then
# Treat certain GCC warnings as errors
LM_TRY_ENABLE_CFLAG([-Werror=return-type], [WERRORFLAGS])
# until the emulator can handle this, I suggest we turn it off!
#WFLAGS="-Wall -Wshadow -Wcast-qual -Wmissing-declarations"
WFLAGS="-Wall -Wstrict-prototypes"
case "$host_cpu" in
tile*)
# tile-gcc is a bit stricter with -Wmissing-prototypes than other gccs,
# and too strict for our taste.
;;
*)
WFLAGS="$WFLAGS -Wmissing-prototypes";;
esac
saved_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS -Wdeclaration-after-statement"
AC_TRY_COMPILE([],[;], warn_decl_after_st=true, warn_decl_after_st=false)
if test "X$warn_decl_after_st" = "Xtrue"; then
WFLAGS="$WFLAGS -Wdeclaration-after-statement"
fi
CFLAGS=$saved_CFLAGS
else
WFLAGS=""
WERRORFLAGS=""
fi
dnl DEBUG_FLAGS is obsolete (I hope)
AC_SUBST(DEBUG_FLAGS)
AC_SUBST(DEBUG_CFLAGS)
AC_SUBST(WFLAGS)
AC_SUBST(WERRORFLAGS)
AC_SUBST(CFLAG_RUNTIME_LIBRARY_PATH)
AC_CHECK_SIZEOF(void *) # Needed for ARCH and smp checks below
if test "x$ac_cv_sizeof_void_p" = x8; then
AC_SUBST(EXTERNAL_WORD_SIZE, 64)
else
AC_SUBST(EXTERNAL_WORD_SIZE, 32)
fi
dnl
dnl Figure out operating system and cpu architecture
dnl
if test "x$host_alias" != "x"; then
chk_opsys_=$host_os
else
chk_opsys_=`uname -s`
if test "x$chk_opsys_" = "xSunOS"; then
chk_opsys_=$chk_opsys_`uname -r`
fi
fi
case $chk_opsys_ in
win32) OPSYS=win32;;
solaris2.*|SunOS5.*) OPSYS=sol2;;
linux|linux-*|Linux) OPSYS=linux;;
darwin|Darwin) OPSYS=darwin;;
freebsd|FreeBSD) OPSYS=freebsd;;
*) OPSYS=noopsys
esac
if test "x$host_alias" != "x" -a "x$host_cpu" != "x"; then
chk_arch_=$host_cpu
else
chk_arch_=`uname -m`
fi
case $chk_arch_ in
sun4u) ARCH=ultrasparc;;
sparc64) ARCH=sparc64;;
sun4v) ARCH=ultrasparc;;
i86pc) ARCH=x86;;
i386) ARCH=x86;;
i486) ARCH=x86;;
i586) ARCH=x86;;
i686) ARCH=x86;;
x86_64) ARCH=amd64;;
amd64) ARCH=amd64;;
macppc) ARCH=ppc;;
powerpc) ARCH=ppc;;
ppc) ARCH=ppc;;
ppc64) ARCH=ppc64;;
"Power Macintosh") ARCH=ppc;;
arm) ARCH=arm;;
armv5b) ARCH=arm;;
armv5teb) ARCH=arm;;
armv5tel) ARCH=arm;;
armv5tejl) ARCH=arm;;
armv6l) ARCH=arm;;
armv6hl) ARCH=arm;;
armv7l) ARCH=arm;;
armv7hl) ARCH=arm;;
tile) ARCH=tile;;
*) ARCH=noarch;;
esac
dnl
dnl Convert between x86 and amd64 based on the compiler's mode.
dnl Ditto between ultrasparc and sparc64.
dnl
AC_MSG_CHECKING(whether compilation mode forces ARCH adjustment)
case "$ARCH-$ac_cv_sizeof_void_p" in
i386-8)
AC_MSG_RESULT(yes: adjusting ARCH=x86 to ARCH=amd64)
ARCH=amd64
;;
x86-8)
AC_MSG_RESULT(yes: adjusting ARCH=x86 to ARCH=amd64)
ARCH=amd64
;;
amd64-4)
AC_MSG_RESULT(yes: adjusting ARCH=amd64 to ARCH=x86)
ARCH=x86
;;
ultrasparc-8)
AC_MSG_RESULT(yes: adjusting ARCH=ultrasparc to ARCH=sparc64)
ARCH=sparc64
;;
sparc64-4)
AC_MSG_RESULT(yes: adjusting ARCH=sparc64 to ARCH=ultrasparc)
ARCH=ultrasparc
;;
ppc64-4)
AC_MSG_RESULT(yes: adjusting ARCH=ppc64 to ARCH=ppc)
ARCH=ppc
;;
*)
AC_MSG_RESULT(no)
;;
esac
AC_SUBST(OPSYS)
AC_SUBST(ARCH)
dnl Check consistency of os and darwin-switches
dnl Take care of LDFLAGS on darwin, and disable common_test as it
dnl has a build/configure system re rx-lib that is not compatible
dnl First remove common_tests skip file.
dnl Adjust LDFLAGS to allow 64bit linkage on DARWIN
case $ARCH-$OPSYS in
amd64-darwin*)
AC_MSG_NOTICE([Adjusting LDFLAGS to cope with 64bit Darwin])
case $LDFLAGS in
*-m64*)
;;
*)
LDFLAGS="-m64 $LDFLAGS"
;;
esac
;;
*-darwin*)
if test X${enable_darwin_universal} = Xyes; then
AC_MSG_NOTICE([Adjusting LDFLAGS for universal binaries])
case $LDFLAGS in
*-arch\ ppc*)
;;
*)
LDFLAGS="-arch ppc $LDFLAGS"
;;
esac
case $LDFLAGS in
*-arch\ i386*)
;;
*)
LDFLAGS="-arch i386 $LDFLAGS"
;;
esac
else
case $LDFLAGS in
*-m32*)
;;
*)
LDFLAGS="-m32 $LDFLAGS"
;;
esac
fi
;;
*)
if test X${enable_m64_build} = Xyes; then
AC_MSG_NOTICE([Adjusting LDFLAGS to use -m64])
case $LDFLAGS in
*-m64*)
;;
*)
LDFLAGS="-m64 $LDFLAGS"
;;
esac
fi;
if test X${enable_m32_build} = Xyes; then
AC_MSG_NOTICE([Adjusting LDFLAGS to use -m32]) ;
case $LDFLAGS in
*-m32*)
;;
*)
LDFLAGS="-m32 $LDFLAGS"
;;
esac ;
fi
;;
esac
AC_MSG_CHECKING(if VM has to be linked with Carbon framework)
case $ARCH-$OPSYS in
*-darwin*)
LIBCARBON="-framework Carbon -framework Cocoa"
AC_MSG_RESULT([yes])
;;
*)
LIBCARBON=
AC_MSG_RESULT([no])
;;
esac
AC_SUBST(LIBCARBON)
dnl Check if we should/can build a halfword emulator
AC_MSG_CHECKING(if we are building a halfword emulator (32bit heap on 64bit machine))
if test "$enable_halfword_emulator" = "yes"; then
if test "$ARCH" = "amd64"; then
AC_DEFINE(HALFWORD_HEAP_EMULATOR, [1],
[Define if building a halfword-heap 64bit emulator])
ENABLE_ALLOC_TYPE_VARS="$ENABLE_ALLOC_TYPE_VARS halfword"
AC_MSG_RESULT([yes])
test -f "$ERL_TOP/erts/CONF_INFO" ||
echo "" > "$ERL_TOP/erts/CONF_INFO"
cat >> $ERL_TOP/erts/CONF_INFO <<EOF
The HALFWORD emulator has been enabled.
This is a DEPRECATED feature scheduled for removal
in a future major release.
EOF
else
AC_MSG_ERROR(no; halfword emulator not supported on this architecture)
fi
else
AC_MSG_RESULT([no])
fi
dnl some tests below will call this if we haven't already - and autoconf
dnl can't handle those tests being done conditionally at runtime
AC_PROG_CPP
AC_PROG_RANLIB
AC_PROG_YACC
LM_PROG_PERL5
if test "$ac_cv_path_PERL" = false; then
AC_MSG_ERROR([Perl version 5 is required to build the emulator!])
fi
AC_PROG_LN_S
AC_CHECK_TOOL([AR], [ar], [false])
if test "$ac_cv_prog_AR" = false; then
AC_MSG_ERROR([No 'ar' command found in PATH])
fi
_search_path=/bin:/usr/bin:/usr/local/bin:$PATH
AC_PATH_PROG(RM, rm, false, $_search_path)
if test "$ac_cv_path_RM" = false; then
AC_MSG_ERROR([No 'rm' command found])
fi
AC_PATH_PROG(MKDIR, mkdir, false, $_search_path)
if test "$ac_cv_path_MKDIR" = false; then
AC_MSG_ERROR([No 'mkdir' command found])
fi
_search_path=
#
# Get programs needed for building the documentation
#
## Delete previous failed configure results
if test -f doc/CONF_INFO; then
rm doc/CONF_INFO
fi
AC_CHECK_PROGS(XSLTPROC, xsltproc)
if test -z "$XSLTPROC"; then
echo "xsltproc" >> doc/CONF_INFO
AC_MSG_WARN([No 'xsltproc' command found: the documentation cannot be built])
fi
AC_CHECK_PROGS(FOP, fop)
if test -z "$FOP"; then
FOP="$ERL_TOP/make/fakefop"
echo "fop" >> doc/CONF_INFO
AC_MSG_WARN([No 'fop' command found: going to generate placeholder PDF files])
fi
AC_CHECK_PROGS(XMLLINT, xmllint)
if test -z "$XMLLINT"; then
echo "xmllint" >> doc/CONF_INFO
AC_MSG_WARN([No 'xmllint' command found: can't run the xmllint target for the documentation])
fi
dnl
dnl We can live with Solaris /usr/ucb/install
dnl
case $host in
*-*-solaris*|free_source)
if test -x /usr/ucb/install; then
INSTALL="/usr/ucb/install -c"
fi
;;
*)
;;
esac
AC_PROG_INSTALL
LM_PROG_INSTALL_DIR
case $host_os in
darwin*)
dnl Need to preserve modification time on archives;
dnl otherwise, ranlib has to be run on archives
dnl again after installation.
INSTALL_DATA="$INSTALL_DATA -p";;
*)
;;
esac
dnl
dnl Fix for Tilera install permissions
dnl
case $build in
*tile*)
INSTALL_PROGRAM="$INSTALL_PROGRAM -m755"
INSTALL_SCRIPT="$INSTALL_SCRIPT -m755"
;;
*)
;;
esac
dnl ----------------------------------------------------------------------
dnl Misc. things (some of them should go away)
dnl ----------------------------------------------------------------------
dnl
dnl An attempt to allow cross compiling. This is not the right way,
dnl nor does it work currently. Some makefiles still needs these
dnl variables, so we leave them in for now.
dnl
HCC='$(CC)' AC_SUBST(HCC)
HCFLAGS="" AC_SUBST(HCFLAGS)
HCFLAGS="$HCFLAGS -I${ERL_TOP}/erts/$host"
vxworks_reclaim="" AC_SUBST(vxworks_reclaim)
dnl We want to use $(CC) as linker for the emulator regardless of
dnl what the user say. This might not be the right way to do it, but
dnl for now that is the way we do it.
USER_LD=$LD
USER_LDFLAGS="$LDFLAGS"
case $host in
*ose) ;;
*) LD='$(CC)' ;;
esac
AC_SUBST(LD)
LDFLAG_RUNTIME_LIBRARY_PATH="$CFLAG_RUNTIME_LIBRARY_PATH"
AC_SUBST(LDFLAG_RUNTIME_LIBRARY_PATH)
dnl Check for cygwin and object/exe files extension
dnl AC_CYGWIN is deprecated
AC_EXEEXT
AC_OBJEXT
dnl This is the os flavour, should be unix, ose, vxworks or win32
case $host in
win32)
ERLANG_OSTYPE=win32 ;;
*ose)
ERLANG_OSTYPE=ose ;;
*)
ERLANG_OSTYPE=unix ;;
esac
AC_SUBST(ERLANG_OSTYPE)
# Check how to export functions from the emulator executable, needed
# when dynamically loaded drivers are loaded (so that they can find
# emulator functions).
# OS'es with ELF executables using the GNU linker (Linux and recent *BSD,
# in rare cases Solaris) typically need '-Wl,-export-dynamic' (i.e. pass
# -export-dynamic to the linker - also known as -rdynamic and some other
# variants); some sysVr4 system(s) instead need(s) '-Wl,-Bexport'.
# AIX 4.x (perhaps only for x>=2) wants -Wl,-bexpall,-brtl and doesn't
# reliably return an error for others, thus we separate it out.
# Otherwise we assume that if the linker accepts the flag, it is needed.
AC_MSG_CHECKING(for extra flags needed to export symbols)