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configure.ac
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configure.ac
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dnl Copyright (C) 2001-2021 Artifex Software, Inc.
dnl All Rights Reserved.
dnl
dnl This software is provided AS-IS with no warranty, either express or
dnl implied.
dnl
dnl This software is distributed under license and may not be copied,
dnl modified or distributed except as expressly authorized under the terms
dnl of the license contained in the file LICENSE in this distribution.
dnl
dnl Refer to licensing information at http://www.artifex.com or contact
dnl Artifex Software, Inc., 1305 Grant Avenue - Suite 200, Novato,
dnl CA 94945, U.S.A., +1(415)492-9861, for further information.
dnl Process this file with autoconf to produce a configure script
dnl ------------------------------------------------
dnl Initialization and Versioning
dnl ------------------------------------------------
AC_INIT
AC_PREREQ([2.63])
AC_LANG(C)
AC_CONFIG_SRCDIR(psi/gs.c)
AC_CANONICAL_HOST
dnl Inherit compiler flags from the environment...
CFLAGS="${CFLAGS:=}"
CPPFLAGS="${CPPFLAGS:=}"
CXXFLAGS="${CXXFLAGS:=}"
LDFLAGS="${LDFLAGS:=}"
if test x"$host" != x"$build" ; then
CFLAGSAUX="${CFLAGSAUX:=}"
CPPFLAGSAUX="${CPPFLAGSAUX:=}"
LDFLAGSAUX="${LDFLAGSAUX:=}"
else
CFLAGSAUX="${CFLAGSAUX:-$CFLAGS}"
CPPFLAGSAUX="${CPPFLAGSAUX:-$CPPFLAGS}"
LDFLAGSAUX="${LDFLAGSAUX:-$LDFLAGS}"
fi
THEMAKEFILE="${MAKEFILE:-Makefile}"
AUXFLAGS_MAK=auxflags.mak
ARCH_AUTOCONF_HEADER=arch-config/arch_autoconf.h
ARCH_AUTOCONF_HEADER_PROTO=arch/arch_autoconf.h.in
dnl --------------------------------------------------
dnl Local utilities
dnl --------------------------------------------------
dnl GS_SPLIT_LIBS( LIBS, LINKLINE )
dnl Split a unix-style link line into a list of
dnl bare library names. For example, the line
dnl '-L/usr/X11R6/lib -lX11 -lXt' splits into
dnl LIB='X11 Xt'
dnl
AC_DEFUN([GS_SPLIT_LIBS], [
# the makefile wants a list of just the library names
for gs_item in $2; do
gs_stripped_item=`echo "$gs_item" | sed -e 's/^-l//'`
if test "x$gs_stripped_item" != "x$gs_item"; then
$1="$[$1] $gs_stripped_item"
fi
done
])
dnl GS_SPLIT_LIBPATHS( LIBPATHS, LINKLINE )
dnl Split a unix-style link line into a list of
dnl bare search path entries. For example,
dnl '-L/usr/X11R6/lib -lX11 -L/opt/lib -lXt'
dnl splits to LIBPATHS='/usr/X11R6/lib /opt/lib'
dnl
AC_DEFUN([GS_SPLIT_LIBPATHS], [
for gs_item in $2; do
gs_stripped_item=`echo "$gs_item" | sed -e 's/-L//'`
if test "x$gs_stripped_item" != "x$gs_item"; then
$1="$[$1] $gs_stripped_item"
fi
done
])
dnl --------------------------------------------------
dnl Check for programs
dnl --------------------------------------------------
dnl AC_PROG_CC likes to add '-g -O2' to CFLAGS. however,
dnl we ignore those flags and construct our own.
save_cflags="$CFLAGS"
AC_PROG_CC
AC_PROG_CPP
CFLAGS="$save_cflags"
AUXFLAGS_MAK_LINE00="CCAUX=@CC@"
AUXFLAGS_MAK_LINE01="GCFLAGSAUX=@CPPFLAGS@ @GCFLAGS@ @CFLAGS@"
AUXFLAGS_MAK_LINE02="CAPOPTAUX="
AUXFLAGS_MAK_LINE03="CFLAGSAUX_STANDARD=@OPT_CFLAGS@"
AUXFLAGS_MAK_LINE04="CFLAGSAUX_DEBUG=@DBG_CFLAGS@"
AUXFLAGS_MAK_LINE05="CFLAGSAUX_PROFILE=-pg @OPT_CFLAGS@"
AUXFLAGS_MAK_LINE06="LDFLAGSAUX=@LDFLAGS@"
AUXFLAGS_MAK_LINE07="AUXEXTRALIBS=@LIBS@"
GCFLAGSAUXTMP="\$(GCFLAGS)"
CAPOPTAUXTMP="\$(CAPOPT)"
CFLAGSAUX_STANDARDTMP="\$(CFLAGS_STANDARD)"
CFLAGSAUX_DEBUGTMP="\$(CFLAGS_DEBUG)"
CFLAGSAUX_PROFILETMP="\$(CFLAGS_PROFILE)"
LDFLAGSAUXTMP="\$(LDFLAGS)"
AUXEXTRALIBSTMP="\$(EXTRALIBS)"
# purposefully do not include "help" output for this
AC_ARG_ENABLE([save_confaux])
AC_ARG_ENABLE([auxtools_only])
absolute_source_path=$(cd "$(dirname "$0")" && pwd)
if test x"$host" != x"$build" ; then
# rerun configure for the AUX tools, disabling a load of tests not relevant for CCAUX
olddir=`pwd`
if test x"$enable_save_confaux" = x"yes"; then
CONFAUXDIR=auxtmp
else
CONFAUXDIR=auxtmp$RANDOM$RANDOM
fi
mkdir $CONFAUXDIR
cd $CONFAUXDIR
echo -e $AUXFLAGS_MAK_CONTENTS > $AUXFLAGS_MAK.in
echo $AUXFLAGS_MAK_LINE00 > $AUXFLAGS_MAK.in
echo $AUXFLAGS_MAK_LINE01 >> $AUXFLAGS_MAK.in
echo $AUXFLAGS_MAK_LINE02 >> $AUXFLAGS_MAK.in
echo $AUXFLAGS_MAK_LINE03 >> $AUXFLAGS_MAK.in
echo $AUXFLAGS_MAK_LINE04 >> $AUXFLAGS_MAK.in
echo $AUXFLAGS_MAK_LINE05 >> $AUXFLAGS_MAK.in
echo $AUXFLAGS_MAK_LINE06 >> $AUXFLAGS_MAK.in
echo $AUXFLAGS_MAK_LINE07 >> $AUXFLAGS_MAK.in
AC_MSG_NOTICE([Begin recursive call to configure script (for auxiliary tools)])
"$absolute_source_path/configure" CC="$CCAUX" CFLAGS="$CFLAGSAUX" CPPFLAGS="$CPPFLAGSAUX" LDFLAGS="$LDFLAGSAUX" CCAUX= CFLAGSAUX= CFLAGSAUX= MAKEFILE=$AUXFLAGS_MAK --host=$build --build=$build --enable-auxtools_only --disable-hidden-visibility --with-local-zlib --without-libtiff --disable-contrib --disable-fontconfig --disable-dbus --disable-freetype --disable-fapi --disable-cups --disable-openjpeg --disable-gtk --with-libiconv=no --without-libidn --without-libpaper --without-pdftoraster --without-ijs --without-jbig2dec --without-x --with-drivers=""
status=$?
cp config.log "$olddir/configaux.log"
if test $status -eq 0 ; then
CCAUX=$(grep CCAUX $AUXFLAGS_MAK | sed "s/CCAUX=//g")
GCFLAGSAUXTMP=$(grep GCFLAGSAUX $AUXFLAGS_MAK | sed "s/GCFLAGSAUX=//g")
CAPOPTAUXTMP=$(grep CAPOPTAUX $AUXFLAGS_MAK | sed "s/CAPOPTAUX=//g")
CFLAGSAUX_STANDARDTMP=$(grep CFLAGSAUX_STANDARD $AUXFLAGS_MAK | sed "s/CFLAGSAUX_STANDARD=//g")
CFLAGSAUX_DEBUGTMP=$(grep CFLAGSAUX_DEBUG $AUXFLAGS_MAK | sed "s/CFLAGSAUX_DEBUG=//g")
CFLAGS_PROFILETMP=$(grep CFLAGS_PROFILE $AUXFLAGS_MAK | sed "s/CFLAGS_PROFILE=//g")
LDFLAGSAUXTMP=$(grep LDFLAGSAUX $AUXFLAGS_MAK | sed "s/LDFLAGSAUX=//g")
AUXEXTRALIBSTMP=$(grep AUXEXTRALIBS$ $AUXFLAGS_MAK | sed "s/AUXEXTRALIBS$=//g")
fi
cd "$olddir"
if test x"$enable_save_confaux" != x"yes"; then
rm -rf $CONFAUXDIR
fi
if test $status -ne 0 ; then
AC_MSG_ERROR([Recursive call to configure script failed], $status)
else
AC_MSG_NOTICE([Recursive call to configure script succeeded])
fi
fi
GCFLAGSAUX=$GCFLAGSAUXTMP
CAPOPTAUX=$CAPOPTAUXTMP
CFLAGSAUX_STANDARD=$CFLAGSAUX_STANDARDTMP
CFLAGSAUX_DEBUG=$CFLAGSAUX_DEBUGTMP
CFLAGS_PROFILE=$CFLAGS_PROFILETMP
LDFLAGSAUX=$LDFLAGSAUXTMP
AUXEXTRALIBS=$AUXEXTRALIBSTMP
# we have to do this here in case it took
# AC_PROG_CC to set CC (as it usually does)
CCAUX="${CCAUX:-$CC}"
AC_PROG_SED
dnl See if it is GNU sed or else.
dnl - need more work to tell SED features.
SED_EXTENDED_REGEX_OPT=-nre
sed_variant=`sed --version 2>&1`
sed_variant=`echo $sed_variant|sed -e 's/ .*//'`
if test "$sed_variant" != GNU ; then
SED_EXTENDED_REGEX_OPT=-nEe
fi
AC_SUBST(SED_EXTENDED_REGEX_OPT)
AC_PROG_RANLIB
#AC_PROG_INSTALL
# If the caller has gives a specific pkg-config to use, then
# use it, and skip the tests.
if test x"$PKGCONFIG" != x"" ; then
AC_MSG_NOTICE([Using $PKGCONFIG])
else
# this is an unpleasant hack
# but if we are cross compiling, and there isn't a matching
# pkconfig for the --host setting, then don't use the 'local'
# pkconfig at all
AC_PATH_TOOL(PKGCONFIG, pkg-config)
if test x"$host" != x"$build" ; then
dnl pkg-config is used for several tests now...
AC_PATH_PROG(BUILD_PKGCONFIG, pkg-config)
if test x"$BUILD_PKGCONFIG" = x"$PKGCONFIG" ; then
PKGCONFIG=
fi
fi
fi
AC_PATH_TOOL(STRIP_XE, strip)
# this is an unpleasant hack
# but if we are cross compiling, and there isn't a matching
# pkconfig for the --host setting, then don't use the 'local'
# pkconfig at all
if test x"$host" != x"$build" ; then
AC_PATH_PROG(BUILD_STRIP_XE, strip)
if test x"$BUILD_STRIP_XE" = x"$STRIP_XE" ; then
STRIP_XE=
fi
fi
dnl --------------------------------------------------
dnl Allow excluding the contributed drivers
dnl --------------------------------------------------
AC_ARG_ENABLE([contrib], AS_HELP_STRING([--disable-contrib], [Do not include contributed drivers]))
CONTRIBINCLUDE="include $srcdir/contrib/contrib.mak"
INSTALL_CONTRIB="install-contrib-extras"
if test x"$enable_contrib" = x; then
case $host in
*-mingw*|*-msys*)
AC_MSG_WARN([disabling contrib devices])
enable_contrib=no
;;
*)
;;
esac
fi
if test x"$enable_contrib" != x"no"; then
# This is just an arbitrary file in contrib to check
if test -f $srcdir/contrib/gdevbjc_.c; then
enable_contrib=yes
else
enable_contrib=no
fi
fi
if test x$enable_contrib = xno; then
CONTRIBINCLUDE=""
INSTALL_CONTRIB=""
CFLAGS="$CFLAGS -DNOCONTRIB"
fi
AC_SUBST(CONTRIBINCLUDE)
AC_SUBST(INSTALL_CONTRIB)
dnl --------------------------------------------------
dnl Set build flags based on environment
dnl --------------------------------------------------
CC_OPT_FLAGS_TO_TRY="-O -DNDEBUG"
CC_VISIBILITY_FLAGS_TO_TRY=""
SET_DT_SONAME="-soname="
CFLAGS_LARGEFILE=""
case $host in
*-linux*|*-gnu)
if test x"$GCC" = x"yes"; then
CC_OPT_FLAGS_TO_TRY="-O2 -DNDEBUG"
CC_DBG_FLAGS_TO_TRY="-gdwarf-2 -g3 -O0"
CC_VISIBILITY_FLAGS_TO_TRY="-fvisibility=hidden"
fi
;;
*bsd*)
if test x"$GCC" = x"yes"; then
CC_OPT_FLAGS_TO_TRY="-O2 -DNDEBUG"
CC_DBG_FLAGS_TO_TRY="-gdwarf-2 -g3 -O0"
CC_VISIBILITY_FLAGS_TO_TRY="-fvisibility=hidden"
fi
;;
*-darwin*)
if test x"$GCC" = x"yes"; then
CC_OPT_FLAGS_TO_TRY="-O2 -DNDEBUG"
CC_DBG_FLAGS_TO_TRY="-gdwarf-2 -g3 -O0"
CC_VISIBILITY_FLAGS_TO_TRY="-fvisibility=hidden"
fi
SET_DT_SONAME=""
;;
*-mingw*|*-msys*)
if test x"$GCC" = x"yes"; then
CC_OPT_FLAGS_TO_TRY="-O2 -DNDEBUG"
CC_DBG_FLAGS_TO_TRY="-gdwarf-2 -g3 -O0"
CC_VISIBILITY_FLAGS_TO_TRY="-fvisibility=hidden"
fi
SET_DT_SONAME=""
;;
*-sun*|*-solaris*)
CC_OPT_FLAGS_TO_TRY="-O2 -DNDEBUG"
CFLAGS_LARGEFILE="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64"
# the trailing space is required!
if test $GCC = no; then
SET_DT_SONAME="-h "
fi
if test x"$GCC" = x"yes"; then
CC_OPT_FLAGS_TO_TRY="-O2 -DNDEBUG"
CC_DBG_FLAGS_TO_TRY="-gdwarf-2 -g3 -O0"
CC_VISIBILITY_FLAGS_TO_TRY="-fvisibility=hidden"
else
CC_DBG_FLAGS_TO_TRY="-g -O0"
fi
;;
*-aix*)
if test x"$GCC" = x"yes"; then
CC_OPT_FLAGS_TO_TRY="-O2 -DNDEBUG"
CC_DBG_FLAGS_TO_TRY="-gdwarf-2 -g3 -O0"
SET_DT_SONAME="so"
CC_VISIBILITY_FLAGS_TO_TRY="-fvisibility=hidden"
fi
;;
esac
AC_SUBST(SET_DT_SONAME)
if test x"$GCC" = x"yes"; then
cflags_to_try="-Wall -Wstrict-prototypes -Wundef \
-Wmissing-declarations -Wmissing-prototypes -Wwrite-strings \
-fno-strict-aliasing -Werror=declaration-after-statement \
-fno-builtin -fno-common -Werror=return-type $CFLAGS_LARGEFILE"
optflags_to_try="$CC_OPT_FLAGS_TO_TRY"
dbgflags_to_try="$CC_DBG_FLAGS_TO_TRY"
else
cflags_to_try="$CFLAGS_LARGEFILE"
optflags_to_try="$CC_OPT_FLAGS_TO_TRY"
dbgflags_to_try="$CC_DBG_FLAGS_TO_TRY"
fi
AC_MSG_CHECKING([if compiler supports restrict])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#if defined(__STDC_VERSION__) && __STDC_VERSION__ == 199901L
void test (char * restrict p){}
#else
void test (char * __restrict p){}
#endif
]], [[
#if defined(__STDC_VERSION__) && __STDC_VERSION__ == 199901L
char *restrict t;
#else
char * __restrict t;
#endif
test(t);
return 1;
]])],[
CFLAGS="$CFLAGS -DHAVE_RESTRICT=1"
if test x"$host" = x"$build" ; then
CFLAGSAUX="$CFLAGSAUX -DHAVE_RESTRICT=1"
fi
AC_MSG_RESULT([yes])],[
CFLAGS="$CFLAGS -DHAVE_RESTRICT=0"
if test x"$host" = x"$build" ; then
CFLAGSAUX="$CFLAGSAUX -DHAVE_RESTRICT=0"
fi
AC_MSG_RESULT([no])])
AC_ARG_WITH([arch_h], AS_HELP_STRING([--with-arch_h=<arch.h to use>],
[Use a custom arch.h (must be an absolute path)]),[], [with_arch_h=])
ARCH_CONF_HEADER=
if test x"$with_arch_h" = x""; then
case $host in
x86_64*-mingw*|x86_64*-msys*)
ARCH_CONF_HEADER="\$(GLSRCDIR)/../arch/windows-x64-msvc.h"
;;
*-mingw*|*-msys*)
ARCH_CONF_HEADER="\$(GLSRCDIR)/../arch/windows-x86-msvc.h"
;;
*-darwin*)
ARCH_CONF_HEADER="\$(GLSRCDIR)/../arch/osx-x86-x86_64-ppc-gcc.h"
;;
*)
ARCH_CONF_HEADER=
if test x"$host" != x"$build"; then
ARCH_CONF_HEADER="\$(GLSRCDIR)/../$ARCH_AUTOCONF_HEADER"
else
ARCH_CONF_HEADER=
fi
;;
esac
else
ARCH_CONF_HEADER=$with_arch_h
fi
AC_SUBST(ARCH_CONF_HEADER)
# debug configurarion is available by default with "make debug"
#AC_ARG_ENABLE([debug], AS_HELP_STRING([--enable-debug],
# [turn on debugging]))
#if test x$enable_debug = xyes; then
# optflags_to_try="-g"
# CFLAGS="-DDEBUG $CFLAGS"
#fi
# NOTE: To correctly disable GCC's strict aliasing with '-fno-strict-aliasing'
# option, the 'cflags_to_try' have to be checked after 'optflags_to_try'.
AC_MSG_CHECKING([supported compiler flags])
old_cflags=$CFLAGS
for flag in $optflags_to_try; do
CFLAGS="$CFLAGS $flag"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[return 0;]])],[
echo " $flag"
OPT_CFLAGS="$OPT_CFLAGS $flag"
],[])
CFLAGS=$old_cflags
done
for flag in $cflags_to_try; do
CFLAGS="$CFLAGS $flag"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[return 0;]])],[
echo " $flag"
GCFLAGS="$GCFLAGS $flag"
],[])
CFLAGS=$old_cflags
done
old_cflags=$CFLAGS
for flag in $dbgflags_to_try; do
CFLAGS="$CFLAGS $flag"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[return 0;]])],[
echo " $flag"
DBG_CFLAGS="$DBG_CFLAGS $flag"
],[])
CFLAGS=$old_cflags
done
CFLAGS_VISIBILITY=""
for flag in $CC_VISIBILITY_FLAGS_TO_TRY; do
CFLAGS="$CFLAGS $flag"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[return 0;]])],[
echo " $flag"
CFLAGS_VISIBILITY="$CFLAGS_VISIBILITY $flag"
],[])
CFLAGS=$old_cflags
done
AC_MSG_RESULT([ ...done.])
dnl ----------------------------
dnl check for sanitize support
dnl ----------------------------
AC_MSG_CHECKING([compiler/linker address santizer support])
AC_ARG_WITH([sanitizer], AS_HELP_STRING([--with-sanitizer=@<:@address/memory@:>@],
[Sanitizer for 'sanitize' target (defaults to 'address')]),
[SANITIZER=$with_sanitizer], [SANITIZER=address])
CFLAGS_SANITIZE=""
CFLAGS_SANITIZE_TRY="-fsanitize=$SANITIZER -fno-omit-frame-pointer"
CFLAGS_SAVED="$CFLAGS"
CFLAGS="$CFLAGS_SANITIZE_TRY"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <stdio.h>], [
return(0);
])],
[CFLAGS_SANITIZE="$CFLAGS"],
[
if test x"$with_sanitizer" != x; then
AC_MSG_ERROR([--with-sanitizer=$with_sanitizer not supported by compiler])
else
CFLAGS_SANITIZE="'****************ADDRESS_SANITIZER_NOT_SUPPORTED*********************'"
fi
]
)
CFLAGS="$CFLAGS_SAVED"
AC_MSG_RESULT([ ...done.])
dnl ----------------------------
dnl check for sanitize build warnings support
dnl ----------------------------
AC_MSG_CHECKING([compiler/linker address santizer build warnings support])
CFLAGS_SANITIZE_TRY="$CFLAGS_SANITIZE -W -Wall -Wno-unused-parameter -Wno-sign-compare -Wno-implicit-fallthrough -Wno-missing-field-initializers -Wno-shift-negative-value -Wno-old-style-declaration -Wno-unused-but-set-parameter"
CFLAGS_SAVED="$CFLAGS"
CFLAGS="$CFLAGS_SANITIZE_TRY"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <stdio.h>], [
return(0);
])],
[CFLAGS_SANITIZE="$CFLAGS"], [echo 'extra warnings not supported'])
CFLAGS="$CFLAGS_SAVED"
AC_MSG_RESULT([ ...done.])
dnl ----------------------------
dnl check for big/little endian
dnl ----------------------------
AC_C_BIGENDIAN([BIGENDIAN=1], [BIGENDIAN=0],
[AC_MSG_ERROR([Endian status cannot be determined])],
[AC_MSG_ERROR([Building of universal binaries is not implemented.])])
dnl --------------------------------------------------
dnl check for sse2 intrinsics
dnl --------------------------------------------------
AC_MSG_CHECKING([sse2 support])
save_cflags=$CFLAGS
CFLAGS="$CFLAGS $OPT_CFLAGS"
HAVE_SSE2=""
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <emmintrin.h>], [
__m128i input1;
unsigned char buf1[[128]];
input1 = _mm_loadu_si128((const __m128i *)buf1);
return(0);
])],
[HAVE_SSE2="-DHAVE_SSE2"], [HAVE_SSE2=""])
AC_ARG_ENABLE([sse2], AS_HELP_STRING([--disable-sse2],
[Do not use sse2 instrinsics]), [
if test "x$enable_sse2" = xno; then
HAVE_SSE2=""
fi])
if test "x$HAVE_SSE2" != x; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
AC_SUBST(HAVE_SSE2)
CFLAGS=$save_cflags
dnl --------------------------------------------------
dnl Check for headers
dnl --------------------------------------------------
AC_HEADER_DIRENT
AC_CHECK_HEADERS([errno.h fcntl.h limits.h malloc.h memory.h stdlib.h string.h strings.h sys/ioctl.h sys/param.h sys/time.h sys/times.h syslog.h unistd.h dirent.h ndir.h sys/dir.h sys/ndir.h inttypes.h])
dnl --------------------------------------------------
dnl Sun, BSD possibly other makes don't have quite the
dnl feature set of GNU make. We still prefer GNU make,
dnl but......
dnl --------------------------------------------------
AC_ARG_WITH([make], AS_HELP_STRING([--with-make=@<:@"make" program name@:>@],
[If you use a version of make not called "make"]),
[MAKE=$with_make], [MAKE=make])
AC_CHECK_PROG(MAKE_EXISTS,[$MAKE],[yes],[no])
if test x"$MAKE_EXISTS" = x"no" ; then
AC_MSG_ERROR([Required make program '$MAKE' not found.])
fi
OBJDIR_BSDMAKE_WORKAROUND=obj
SUB_MAKE_OPTION=
ORDER_ONLY=""
AC_MSG_CHECKING(if make is GNU make)
if make --version 2> /dev/null | grep GNU 2>&1 > /dev/null ; then
AC_MSG_RESULT(yes)
SUB_MAKE_OPTION="-f \$(MAKEFILE)"
ORDER_ONLY="|"
else
AC_MSG_RESULT(no)
# BSD Make treats obj special and cd into it first
OBJDIR_BSDMAKEWORKAOROUND="notobj"
fi
AC_SUBST(OBJDIR_BSDMAKE_WORKAROUND)
AC_SUBST(ORDER_ONLY)
AC_SUBST(SUB_MAKE_OPTION)
AC_CHECK_HEADER([sys/window.h])
dnl --------------------------------------------------
dnl Check for typedefs, structures, etc
dnl --------------------------------------------------
AC_C_CONST
AC_C_INLINE
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_SIZE_T
AC_STRUCT_ST_BLOCKS
AC_STRUCT_TM
dnl see if we're on a system that puts the *int*_t types
dnl from stdint.h in sys/types.h
if test "x$ac_cv_header_stdint_h" != xyes; then
AC_CHECK_TYPES([int8_t, int16_t, int32_t, uint8_t, uint16_t, uint32_t],,,[#include <sys/types.h>])
if test "$ac_cv_type_uint8_t" = yes; then
AC_DEFINE([SYS_TYPES_HAS_STDINT_TYPES])
GCFLAGS="$GCFLAGS -DSYS_TYPES_HAS_STDINT_TYPES"
fi
fi
dnl we aren't interested in all of DEFS, so manually insert
dnl the flags we care about
if test "$ac_cv_c_const" != yes; then
GCFLAGS="$GCFLAGS -Dconst="
fi
if test "x$ac_cv_header_stdint_h" = "xyes"; then
GCFLAGS="$GCFLAGS -DHAVE_STDINT_H=1"
fi
if test "x$ac_cv_header_dirent_h" = "xyes"; then
GCFLAGS="$GCFLAGS -DHAVE_DIRENT_H=1"
fi
if test "x$ac_cv_header_ndir_h" = xyes; then
GCFLAGS="$GCFLAGS -DHAVE_NDIR_H=1"
fi
if test "x$ac_cv_header_sys_dir_h" = "xyes"; then
GCFLAGS="$GCFLAGS -DHAVE_SYS_DIR_H=1"
fi
if test "x$ac_cv_header_sys_ndir_h" = "xyes"; then
GCFLAGS="$GCFLAGS -DHAVE_SYS_NDIR_H=1"
fi
if test "x$ac_cv_header_sys_time_h" = "xyes"; then
GCFLAGS="$GCFLAGS -DHAVE_SYS_TIME_H=1"
fi
if test "x$ac_cv_header_sys_times_h" = "xyes"; then
GCFLAGS="$GCFLAGS -DHAVE_SYS_TIMES_H=1"
fi
if test "x$ac_cv_header_inttypes_h" = "xyes"; then
GCFLAGS="$GCFLAGS -DHAVE_INTTYPES_H=1"
fi
AC_CHECK_LIB([dl], [dlopen],
[AC_CHECK_HEADER([dlfcn.h], [GCFLAGS="$GCFLAGS -DHAVE_LIBDL=1";LIBS="-ldl $LIBS"])]
)
large_color_index=1
AC_ARG_WITH([large_color_index],, large_color_index="$with_large_color_index")
if test x"$large_color_index" != "x0"; then
dnl try to find a 64 bit type for devicen color index
color_ind_type="none"
AC_CHECK_SIZEOF(unsigned long long)
if test $ac_cv_sizeof_unsigned_long_long = 8; then
color_ind_type="unsigned long long"
color_ind_size=$ac_cv_sizeof_unsigned_long_long
else
AC_CHECK_SIZEOF(unsigned long int)
if test $ac_cv_sizeof_unsigned_long_int = 8; then
color_ind_type="unsigned long int"
color_ind_size=$ac_cv_sizeof_unsigned_long_int
else
AC_CHECK_SIZEOF(unsigned __int64)
if test $ac_cv_sizeof_unsigned___int64 = 8; then
color_ind_type="unsigned __int64"
color_ind_size=$ac_cv_sizeof_unsigned___int64
else
AC_CHECK_SIZEOF(u_int64_t)
if test $ac_cv_sizeof_u_int64_t = 8; then
color_ind_type="u_int64_t"
color_ind_size=$ac_cv_sizeof_u_int64_t
fi
fi
fi
fi
else
dnl try to find a 32 bit type for devicen color index
color_ind_type="none"
AC_CHECK_SIZEOF(unsigned long int)
if test $ac_cv_sizeof_unsigned_long_int = 4; then
color_ind_type="unsigned long int"
color_ind_size=$ac_cv_sizeof_unsigned_long_int
else
AC_CHECK_SIZEOF(unsigned int)
if test $ac_cv_sizeof_unsigned_int = 4; then
color_ind_type="unsigned int"
color_ind_size=$ac_cv_sizeof_unsigned_int
else
AC_CHECK_SIZEOF(unsigned __int32)
if test $ac_cv_sizeof_unsigned___int32 = 4; then
color_ind_type="unsigned __int32"
color_in_size=$ac_cv_sizeof_unsigned___int32
else
AC_CHECK_SIZEOF(u_int32_t)
if test $ac_cv_sizeof_u_int32_t = 4; then
color_ind_type="u_int32_t"
color_ind_size=$ac_cv_sizeof_u_int32_t
fi
fi
fi
fi
fi
dnl if a suitable type wasn't found above, we fall back to
dnl a default in genarch.
if test "$color_ind_type" != "none"; then
GCFLAGS="$GCFLAGS -DGX_COLOR_INDEX_TYPE=\"$color_ind_type\""
ARCH_SIZEOF_GX_COLOR_INDEX=$color_ind_size
fi
AC_SUBST(ARCH_SIZEOF_GX_COLOR_INDEX)
dnl --------------------------------------------------
dnl Set options that we want to pass into all other
dnl configure scripts we might call
dnl --------------------------------------------------
SUBCONFIG_OPTS="--build=$build --host=$host"
#SUBCONFIG_OPTS=""
#if test x"$build_alias" != x""; then
# SUBCONFIG_OPTS="$SUBCONFIG_OPTS --build=$build_alias"
#fi
#if test x"$host_alias" != x""; then
# SUBCONFIG_OPTS="$SUBCONFIG_OPTS --host=$host_alias"
#fi
dnl --------------------------------------------------
dnl Check for libraries
dnl --------------------------------------------------
AC_CHECK_LIB(m, cos)
AC_CHECK_FUNCS([pread pwrite], [HAVE_PREAD_PWRITE="-DHAVE_PREAD_PWRITE=1"], [HAVE_PREAD_PWRITE=])
if test "x$HAVE_PREAD_PWRITE" != "x"; then
save_cflags=$CFLAGS
CFLAGS="$CFLAGS -D__USE_UNIX98=1 -D_XOPEN_SOURCE=500"
AC_CHECK_DECLS([pwrite,pread], [], [HAVE_PREAD_PWRITE=])
CFLAGS=$save_cflags
if test "x$HAVE_PREAD_PWRITE" != "x"; then
GCFLAGS="$GCFLAGS -D__USE_UNIX98=1"
fi
fi
AC_SUBST(HAVE_PREAD_PWRITE)
AC_CHECK_DECL([popen], [HAVE_POPEN_PROTO="-DHAVE_POPEN_PROTO=1"], [AVE_POPEN_PROTO=])
AC_SUBST(HAVE_POPEN_PROTO)
SYNC="nosync"
PTHREAD_LIBS=""
RECURSIVE_MUTEXATTR=""
AC_ARG_ENABLE([threading], AS_HELP_STRING([--disable-threading],
[disable support for multithreaded rendering]))
# if you haven't got pread/pwrite, we can't use multithreading
if test "x$HAVE_PREAD_PWRITE" != "x"; then
if test "$enable_threading" != "no"; then
mutex_result="no"
AC_CHECK_LIB(pthread, pthread_create, [
SYNC=posync;
PTHREAD_LIBS="-lpthread"
])
AC_MSG_CHECKING([for recursive mutexes])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]], [[
static int k = PTHREAD_MUTEX_RECURSIVE;
#ifndef pthread_mutexattr_settype
#ifdef __cplusplus
(void) pthread_mutexattr_settype;
#else
(void) pthread_mutexattr_settype;
#endif
#endif
;
return 0;
]])],[RECURSIVE_MUTEXATTR="-DGS_RECURSIVE_MUTEXATTR=PTHREAD_MUTEX_RECURSIVE"
mutex_result="PTHREAD_MUTEX_RECURSIVE"],[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]], [[
static int k = PTHREAD_MUTEX_RECURSIVE_NP;
#ifndef pthread_mutexattr_settype
#ifdef __cplusplus
(void) pthread_mutexattr_settype;
#else
(void) pthread_mutexattr_settype;
#endif
#endif
;
return 0;
]])],[RECURSIVE_MUTEXATTR="-DGS_RECURSIVE_MUTEXATTR=PTHREAD_MUTEX_RECURSIVE_NP"
mutex_result="PTHREAD_MUTEX_RECURSIVE_NP"],[])])
AC_MSG_RESULT($mutex_result)
fi
fi
AC_SUBST(SYNC)
AC_SUBST(PTHREAD_LIBS)
AC_SUBST(RECURSIVE_MUTEXATTR)
dnl Tesseract/Leptonica detection
TESSERACTDIR=tesseract
LEPTONICADIR=leptonica
OCR_VERSION=0
LEPTONICAINCLUDE=
TESSERACTINCLUDE=
TESSERACT_LIBS=
OCR_DEVS=
OCR_DEVS_WARNING_LINE1=
OCR_DEVS_WARNING_LINE2=
AC_ARG_WITH([tesseract], AS_HELP_STRING([--without-tesseract],
[do not try to use the Tesseract library for OCR]))
if test x$with_tesseract != xno; then
AC_MSG_CHECKING([for local Tesseract library source])
if test -d $srcdir/tesseract && test -d $srcdir/leptonica; then
AC_MSG_RESULT([yes])
AC_LANG_PUSH(C++)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[return 0;]])],[HAVE_CXX_COMPILER=yes; AC_SUBST(CXX)],[HAVE_CXX_COMPILER=no])
if test x$HAVE_CXX_COMPILER != xyes; then
AC_MSG_WARN([Disabling tesseract as no working C++ compiler])
elif test x$SYNC = xnosync ; then
AC_MSG_ERROR([Threading disabled or not available. Tesseract OCR relies on threading. Rerun configure with "--without-tesseract" to exclude OCR from the build])
else
save_cxxflags="$CXXFLAGS"
cxxflags_to_try="-std=c++17 -stdlib=libstdc++"
CXXFLAGS_TO_USE=""
AC_MSG_CHECKING([supported C++ compiler flags])
for flag in $cxxflags_to_try ; do
CXXFLAGS="$CXXFLAGS $flag"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <cstdlib>]], [[return 0;]])],[
echo " $flag"; CXXFLAGS_TO_USE="$CXXFLAGS_TO_USE $flag"
],[])
CXXFLAGS="$old_cflags"
done
if test x"$GXX" = x"no" || echo $CXXFLAGS_TO_USE | grep "std=c++17" ; then
if test x"$GXX" = x"no" ; then
OCR_DEVS_WARNING_LINE1="C++ compiler does not appear to be gcc or compatible, attempting to continue anyway"
OCR_DEVS_WARNING_LINE2="NOTE: that tesseract requires a C++17 compatible C++ compiler"
fi
CXXFLAGS="$save_cxxflags $CXXFLAGS_TO_USE"
dnl --------------------------------------------------
dnl check for sse4.1, avx, avx2 or fma
dnl --------------------------------------------------
AC_MSG_CHECKING([sse4.1 support])
save_cxxflags=$CXXFLAGS
TESS_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS -msse4.1"
TESS_SSE4_1=""
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <emmintrin.h>
#include <smmintrin.h>],
[__m128i input1;
unsigned char buf1[[128]];
input1 = _mm_loadu_si128((const __m128i *)buf1);
input1 = _mm_hadd_epi32(input1, input1);
return(0);
])],
[TESS_SSE4_1="-msse4.1"],
[TESS_SSE4_1=""])
if test "x$TESS_SSE4_1" != x; then
AC_MSG_RESULT(yes)
TESS_CXXFLAGS="$TESS_CXXFLAGS -DHAVE_SSE4_1"
else
AC_MSG_RESULT(no)
fi
AC_MSG_CHECKING([avx support])
CXXFLAGS="$save_cxxflags -mavx"
TESS_AVX=""
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <immintrin.h>],
[__m256d input1 = _mm256_setzero_pd();
input1 = _mm256_hadd_pd(input1, input1);
return(0);])],
[TESS_AVX="-mavx"],
[TESS_AVX=""])
if test "x$TESS_AVX" != x; then
AC_MSG_RESULT(yes)
TESS_CXXFLAGS="$TESS_CXXFLAGS -DHAVE_AVX"
else
AC_MSG_RESULT(no)
fi
AC_MSG_CHECKING([avx2 support])
CXXFLAGS="$save_cxxflags -mavx2"
TESS_AVX2=""
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <immintrin.h>],
[__m256i input1;
unsigned char buf1[[256]];
input1 = _mm256_loadu_si256((const __m256i *)buf1);
input1 = _mm256_adds_epu8(input1, input1);
return(0);])],
[TESS_AVX2="-mavx2"],
[TESS_AVX2=""])
if test "x$TESS_AVX2" != x; then
AC_MSG_RESULT(yes)
TESS_CXXFLAGS="$TESS_CXXFLAGS -DHAVE_AVX2"
else
AC_MSG_RESULT(no)
fi
AC_MSG_CHECKING([fma support])
CXXFLAGS="$save_cxxflags -mfma"
TESS_FMA=""
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include <immintrin.h>],
[__m256d input1 = _mm256_setzero_pd();
input1 = _mm256_fmadd_pd(input1, input1, input1);
return(0);])],
[TESS_FMA="-mfma"],
[TESS_FMA=""])
if test "x$TESS_FMA" != x; then
AC_MSG_RESULT(yes)
TESS_CXXFLAGS="$TESS_CXXFLAGS -DHAVE_FMA"
else
AC_MSG_RESULT(no)
fi
AC_MSG_CHECKING([neon support])
CXXFLAGS="$save_cxxflags -mfpu=neon -mcpu=cortex-a53"
TESS_NEON=""
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([#include "arm_neon.h"],
[int32x4_t round = vdupq_n_s32(10);
return(0);])],
[TESS_NEON="-mfpu=neon -mcpu=cortex-a53 -D__ARM_NEON__"],
[TESS_NEON=""])
if test "x$TESS_NEON" != x; then
AC_MSG_RESULT(yes)
TESS_CXXFLAGS="$TESS_CXXFLAGS -DHAVE_NEON"
else
AC_MSG_RESULT(no)
fi
CXXFLAGS="$save_cxxflags"
OCR_VERSION=1
OCR_DEVS="\$(DD)ocr.dev \$(DD)hocr.dev \$(DD)pdfocr8.dev \$(DD)pdfocr24.dev \$(DD)pdfocr32.dev"
LEPTONICAINCLUDE="include base/leptonica.mak"
TESSERACTINCLUDE="include base/tesseract.mak"
TESSERACT_LIBS="-lstdc++"
else
OCR_DEVS_WARNING_LINE1="OCR devices disabled due to incompatible compiler: tesseract requires a C++17 compatible compiler"
fi
fi
AC_LANG_POP()
else
AC_MSG_RESULT([no])
fi
fi
AC_SUBST(TESSERACT_LIBS)
AC_SUBST(LEPTONICAINCLUDE)
AC_SUBST(TESSERACTINCLUDE)
AC_SUBST(LEPTONICADIR)
AC_SUBST(TESSERACTDIR)
AC_SUBST(OCR_DEVS)
AC_SUBST(OCR_VERSION)
AC_SUBST(TESS_AVX)
AC_SUBST(TESS_AVX2)
AC_SUBST(TESS_FMA)
AC_SUBST(TESS_SSE4_1)
AC_SUBST(TESS_NEON)
AC_SUBST(TESS_CXXFLAGS)
dnl Tests for iconv (Needed for OpenPrinting Vector, "opvp" output device)
AC_ARG_WITH(libiconv,