mirror of
https://github.com/python/cpython.git
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ce81d59c0c
The actual test for it is only commented out in configure.in, so it can be re-enabled if we ever run across the need for it again.
1155 lines
30 KiB
Plaintext
1155 lines
30 KiB
Plaintext
dnl Process this file with autoconf 2.0 or later to make a configure script.
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AC_REVISION($Revision$)
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AC_PREREQ(2.0)
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AC_INIT(Include/object.h)
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AC_CONFIG_HEADER(config.h)
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# Set VERSION so we only need to edit in one place (i.e., here)
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AC_SUBST(VERSION)
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VERSION=2.0
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# NEXTSTEP stuff
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if test -f /usr/lib/NextStep/software_version -o -f /System/Library/CoreServices/software_version ; then
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AC_MSG_CHECKING(for --with-next-archs)
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AC_ARG_WITH(next-archs,
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[ --with-next-archs='arch1 arch2 ..' build MAB binary], [
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if test -n "$withval"; then
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ac_arch_flags=`/usr/lib/arch_tool -archify_list $withval`
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# GCC does not currently support multi archs on the NeXT
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with_gcc=no
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fi
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AC_MSG_RESULT($with_next_archs)
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], [AC_MSG_RESULT(none: using `arch`)])
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if test -z "$MACHDEP"
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then
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set X `hostinfo | egrep '(NeXT Mach|Kernel Release).*:' | \
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sed -e 's/://' -e 's/\./_/'` && \
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ac_sys_system=next && ac_sys_release=$4
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MACHDEP="$ac_sys_system$ac_sys_release"
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fi
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fi
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AC_ARG_WITH(next-framework,
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[ --with-next-framework Build (OpenStep|Rhapsody|MacOSX) framework],,)
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AC_ARG_WITH(dyld,
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[ --with-dyld Use (OpenStep|Rhapsody|MacOSX) dynamic linker],,)
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# Set name for machine-dependent library files
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AC_SUBST(MACHDEP)
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AC_MSG_CHECKING(MACHDEP)
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if test -z "$MACHDEP"
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then
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ac_sys_system=`uname -s`
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if test "$ac_sys_system" = "AIX" ; then
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ac_sys_release=`uname -v`
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else
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ac_sys_release=`uname -r`
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fi
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ac_md_system=`echo $ac_sys_system |
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tr -d '[/ ]' | tr '[[A-Z]]' '[[a-z]]'`
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ac_md_release=`echo $ac_sys_release |
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tr -d '[/ ]' | sed 's/\..*//'`
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MACHDEP="$ac_md_system$ac_md_release"
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case $MACHDEP in
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'') MACHDEP="unknown";;
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esac
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fi
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#
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# SGI compilers allow the specification of the both the ABI and the
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# ISA on the command line. Depending on the values of these switches,
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# different and often incompatable code will be generated.
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#
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# The SGI_ABI variable can be used to modify the CC and LDFLAGS and
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# thus supply support for various ABI/ISA combinations. The MACHDEP
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# variable is also adjusted.
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#
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AC_SUBST(SGI_ABI)
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if test ! -z "$SGI_ABI"
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then
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CC="cc $SGI_ABI"
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LDFLAGS="$SGI_ABI $LDFLAGS"
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MACHDEP=`echo "${MACHDEP}${SGI_ABI}" | sed 's/ *//g'`
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fi
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AC_MSG_RESULT($MACHDEP)
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#
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# CCC is the command that compiles C++ programs
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#
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# Not all make programs have this predefined.
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#
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#AC_SUBST(SET_CCC)
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#AC_MSG_CHECKING(CCC)
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#if test -z "$CCC"
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#then
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# case $ac_sys_system in
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# IRIX*) SET_CCC="CCC= CC ${SGI_ABI}";;
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# Linux*) SET_CCC="CCC= g++";;
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# *) SET_CCC=""
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# esac
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#else
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# SET_CCC="CCC= ${CCC}"
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#fi
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#AC_MSG_RESULT($SET_CCC)
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# checks for alternative programs
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AC_MSG_CHECKING(for --without-gcc)
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AC_ARG_WITH(gcc, [ --without-gcc never use gcc], [
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case $withval in
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no) CC=cc
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without_gcc=yes;;
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yes) CC=gcc
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without_gcc=no;;
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*) CC=$withval
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without_gcc=$withval;;
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esac], [
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case $ac_sys_system in
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OSF1) CC=cc
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without_gcc=;;
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BeOS*)
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# Dunno if it's a good idea to get this over with all at once, or
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# to handle it in with the other goodies.
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MACHDEP=beos
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case $BE_HOST_CPU in
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ppc)
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CC="mwcc -I$PWD/BeOS -nodup"
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without_gcc=yes
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case `uname -r` in
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4.0*) OPT="-DUSE_DL_EXPORT -O7 -opt schedule604 -export pragma" ;;
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*) OPT="-DUSE_DL_EXPORT -O2 -proc 604e -export pragma" ;;
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esac
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CCSHARED=-UUSE_DL_EXPORT
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LDFLAGS="$LDFLAGS -nodup"
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AR="$PWD/BeOS/ar-fake"
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RANLIB=:
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AC_DEFINE(DL_EXPORT_HEADER,"dl_export.h")
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;;
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x86)
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CC="gcc -I$PWD/BeOS"
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without_gcc=no
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OPT="-DUSE_DL_EXPORT -O"
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CCSHARED=-UUSE_DL_EXPORT
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AR="$PWD/BeOS/ar-fake"
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RANLIB=:
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AC_DEFINE(DL_EXPORT_HEADER,"dl_export.h")
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;;
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*)
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AC_ERROR(Your BeOS system isn't PowerPC or x86... neat, but this won't work...)
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;;
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esac
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;;
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*) without_gcc=no;;
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esac])
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AC_MSG_RESULT($without_gcc)
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AC_SUBST(SET_CXX)
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AC_SUBST(MAINOBJ)
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MAINOBJ=python.o
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AC_MSG_CHECKING(for --with-cxx=<compiler>)
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AC_ARG_WITH(cxx, [ --with-cxx=<compiler> enable C++ support],[
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case $withval in
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no) CXX=
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with_cxx=no;;
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*) CXX=$withval
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MAINOBJ=ccpython.o
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with_cxx=$withval;;
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esac], [
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with_cxx=no
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])
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AC_MSG_RESULT($with_cxx)
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SET_CXX="CXX = $CXX"
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#AC_MSG_CHECKING(CCC)
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#if test -z "$CCC"
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#then
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# case $ac_sys_system in
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# IRIX*) SET_CCC="CCC= CC ${SGI_ABI}";;
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# Linux*) SET_CCC="CCC= g++";;
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# *) SET_CCC=""
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# esac
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#else
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# SET_CCC="CCC= ${CCC}"
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#fi
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#AC_MSG_RESULT($SET_CCC)
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# If the user switches compilers, we can't believe the cache
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if test ! -z "$ac_cv_prog_CC" -a ! -z "$CC" -a "$CC" != "$ac_cv_prog_CC"
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then
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AC_ERROR(cached CC is different -- throw away $cache_file
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(it is also a good idea to do 'make clean' before compiling))
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fi
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AC_PROG_CC
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case $MACHDEP in
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bsdos*)
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case $CC in
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gcc) CC="$CC -D_HAVE_BSDI";;
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esac;;
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esac
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case $ac_sys_system in
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hp*|HP*)
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case $CC in
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cc|*/cc) CC="$CC -Aa -D_HPUX_SOURCE";;
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esac;;
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BeOS*)
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case $CC in
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cc) CC=cc;;
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esac;;
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esac
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# LDLIBRARY is the name of the library to link against (as opposed to the
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# name of the library into which to insert object files). On systems
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# without shared libraries, LDLIBRARY is the same as LIBRARY (defined in
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# the Makefiles).
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AC_SUBST(MAKE_LDLIBRARY)
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AC_SUBST(LDLIBRARY)
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LDLIBRARY=''
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# LINKCC is the command that links the python executable -- default is $(CC).
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# This is altered for AIX and BeOS in order to build the export list before
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# linking.
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AC_SUBST(LINKCC)
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AC_MSG_CHECKING(LINKCC)
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if test -z "$LINKCC" -a ! -z "$CXX"
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then
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LINKCC="$CXX"
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fi
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if test -z "$LINKCC"
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then
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case $ac_sys_system in
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AIX*)
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LINKCC="\$(srcdir)/makexp_aix python.exp \"\" \$(LIBRARY); \$(PURIFY) \$(CC)";;
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BeOS*)
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LINKCC="\$(srcdir)/../BeOS/linkcc \$(LIBRARY) \$(PURIFY) \$(CC) \$(OPT)"
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LDLIBRARY='libpython$(VERSION).so';;
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dgux*)
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LINKCC="LD_RUN_PATH=$libdir \$(PURIFY) \$(CC)";;
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*) LINKCC="\$(PURIFY) \$(CC)";;
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esac
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fi
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AC_MSG_RESULT($LINKCC)
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AC_MSG_CHECKING(LDLIBRARY)
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# NeXT framework builds require that the 'ar' library be converted into
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# a bundle using libtool.
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if test "$with_next_framework"
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then
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LDLIBRARY='libpython$(VERSION).dylib'
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fi
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# DG/UX requires some fancy ld contortions to produce a .so from an .a
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if test "$MACHDEP" = "dguxR4"
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then
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LDLIBRARY='libpython$(VERSION).so'
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OPT="$OPT -pic"
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fi
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AC_MSG_RESULT($LDLIBRARY)
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# If LDLIBRARY is different from LIBRARY, emit a rule to build it.
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if test -z "$LDLIBRARY"
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then
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LDLIBRARY='libpython$(VERSION).a'
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MAKE_LDLIBRARY="true"
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else
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MAKE_LDLIBRARY='$(MAKE) $(LDLIBRARY)'
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fi
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AC_PROG_RANLIB
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AC_SUBST(AR)
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AC_CHECK_PROGS(AR, ar aal, ar)
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AC_SUBST(INSTALL)
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AC_SUBST(INSTALL_PROGRAM)
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AC_SUBST(INSTALL_DATA)
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# Install just never works :-(
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if test -z "$INSTALL"
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then
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INSTALL=cp
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INSTALL_PROGRAM=cp
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INSTALL_DATA=cp
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else
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INSTALL_PROGRAM="$INSTALL"
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INSTALL_DATA="$INSTALL -m 644"
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fi
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# Not every filesystem supports hard links
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AC_SUBST(LN)
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if test -z "$LN" ; then
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case $ac_sys_system in
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BeOS*) LN="ln -s";;
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*) LN=ln;;
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esac
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fi
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# Optimizer/debugger flags passed between Makefiles
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AC_SUBST(OPT)
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if test -z "$OPT"
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then
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case $GCC in
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yes)
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case $ac_cv_prog_cc_g in
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yes) OPT="-g -O2";;
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*) OPT="-O2";;
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esac
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;;
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*) OPT="-O";;
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esac
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fi
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if test "$ac_arch_flags"
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then
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OPT="$OPT $ac_arch_flags"
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fi
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# checks for UNIX variants that set C preprocessor variables
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AC_AIX
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AC_MINIX
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AC_MSG_CHECKING(whether $CC accepts -OPT:Olimit=0)
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AC_CACHE_VAL(ac_cv_opt_olimit_ok,
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[ac_save_cc="$CC"
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CC="$CC -OPT:Olimit=0"
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AC_TRY_RUN([int main() { return 0; }],
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ac_cv_opt_olimit_ok=yes,
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ac_cv_opt_olimit_ok=no)
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CC="$ac_save_cc"])
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AC_MSG_RESULT($ac_cv_opt_olimit_ok)
|
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if test $ac_cv_opt_olimit_ok = yes; then
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OPT="$OPT -OPT:Olimit=0"
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else
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AC_MSG_CHECKING(whether $CC accepts -Olimit 1500)
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AC_CACHE_VAL(ac_cv_olimit_ok,
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[ac_save_cc="$CC"
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CC="$CC -Olimit 1500"
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AC_TRY_RUN([int main() { return 0; }],
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ac_cv_olimit_ok=yes,
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ac_cv_olimit_ok=no)
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CC="$ac_save_cc"])
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AC_MSG_RESULT($ac_cv_olimit_ok)
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if test $ac_cv_olimit_ok = yes; then
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OPT="$OPT -Olimit 1500"
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fi
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fi
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dnl # check for ANSI or K&R ("traditional") preprocessor
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dnl AC_MSG_CHECKING(for C preprocessor type)
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dnl AC_TRY_COMPILE([
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dnl #define spam(name, doc) {#name, &name, #name "() -- " doc}
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dnl int foo;
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dnl struct {char *name; int *addr; char *doc;} desc = spam(foo, "something");
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dnl ], [;], cpp_type=ansi, AC_DEFINE(HAVE_OLD_CPP) cpp_type=traditional)
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dnl AC_MSG_RESULT($cpp_type)
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# checks for header files
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AC_HEADER_STDC
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AC_CHECK_HEADERS(dlfcn.h fcntl.h limits.h locale.h ncurses.h pthread.h \
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signal.h stdarg.h stddef.h stdlib.h thread.h unistd.h utime.h \
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sys/audioio.h sys/file.h sys/lock.h \
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sys/param.h sys/select.h sys/socket.h sys/time.h sys/times.h \
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sys/un.h sys/utsname.h sys/wait.h pty.h libutil.h)
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AC_HEADER_DIRENT
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# checks for typedefs
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was_it_defined=no
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AC_MSG_CHECKING(for clock_t in time.h)
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AC_EGREP_HEADER(clock_t, time.h, was_it_defined=yes, AC_DEFINE(clock_t, long))
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AC_MSG_RESULT($was_it_defined)
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# Add some code to confdefs.h so that the test for off_t works on SCO
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cat >> confdefs.h <<\EOF
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#if defined(SCO_DS)
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#undef _OFF_T
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#endif
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EOF
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# Type availability checks
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AC_TYPE_MODE_T
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AC_TYPE_OFF_T
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AC_TYPE_PID_T
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AC_TYPE_SIGNAL
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AC_TYPE_SIZE_T
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AC_TYPE_UID_T
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# Sizes of various common basic types
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AC_CHECK_SIZEOF(int)
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AC_CHECK_SIZEOF(long)
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AC_CHECK_SIZEOF(void *)
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AC_CHECK_SIZEOF(char)
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AC_CHECK_SIZEOF(short)
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AC_CHECK_SIZEOF(float)
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AC_CHECK_SIZEOF(double)
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AC_CHECK_SIZEOF(fpos_t)
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AC_MSG_CHECKING(for long long support)
|
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have_long_long=no
|
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AC_TRY_COMPILE([], [long long x; x = (long long)0;], AC_DEFINE(HAVE_LONG_LONG) have_long_long=yes)
|
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AC_MSG_RESULT($have_long_long)
|
|
if test "$have_long_long" = yes ; then
|
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AC_CHECK_SIZEOF(long long)
|
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fi
|
|
|
|
# Hmph. AC_CHECK_SIZEOF() doesn't include <sys/types.h>.
|
|
AC_MSG_CHECKING(size of off_t)
|
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AC_CACHE_VAL(ac_cv_sizeof_off_t,
|
|
[AC_TRY_RUN([#include <stdio.h>
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|
#include <sys/types.h>
|
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main()
|
|
{
|
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FILE *f=fopen("conftestval", "w");
|
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if (!f) exit(1);
|
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fprintf(f, "%d\n", sizeof(off_t));
|
|
exit(0);
|
|
}], ac_cv_sizeof_off_t=`cat conftestval`, ac_cv_sizeof_off_t=0)
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])
|
|
AC_MSG_RESULT($ac_cv_sizeof_off_t)
|
|
AC_DEFINE_UNQUOTED(SIZEOF_OFF_T, $ac_cv_sizeof_off_t)
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|
|
AC_MSG_CHECKING(whether to enable large file support)
|
|
if test "$have_long_long" = yes -a \
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|
"$ac_cv_sizeof_off_t" -gt "$ac_cv_sizeof_long" -a \
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|
"$ac_cv_sizeof_long_long" -ge "$ac_cv_sizeof_off_t"; then
|
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AC_DEFINE(HAVE_LARGEFILE_SUPPORT)
|
|
AC_MSG_RESULT(yes)
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|
else
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
|
|
# AC_CHECK_SIZEOF() doesn't include <time.h>.
|
|
AC_MSG_CHECKING(size of time_t)
|
|
AC_CACHE_VAL(ac_cv_sizeof_time_t,
|
|
[AC_TRY_RUN([#include <stdio.h>
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|
#include <time.h>
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|
main()
|
|
{
|
|
FILE *f=fopen("conftestval", "w");
|
|
if (!f) exit(1);
|
|
fprintf(f, "%d\n", sizeof(time_t));
|
|
exit(0);
|
|
}], ac_cv_sizeof_time_t=`cat conftestval`, ac_cv_sizeof_time_t=0)
|
|
])
|
|
AC_MSG_RESULT($ac_cv_sizeof_time_t)
|
|
AC_DEFINE_UNQUOTED(SIZEOF_TIME_T, $ac_cv_sizeof_time_t)
|
|
|
|
|
|
# Minor variations in building a framework between NextStep versions 4 and 5
|
|
AC_SUBST(LIBTOOL_CRUFT)
|
|
case $ac_sys_system/$ac_sys_release in
|
|
next/4*)
|
|
ns_undef_sym='__environ'
|
|
LIBTOOL_CRUFT="-U $ns_undef_sym" ;;
|
|
next/5*)
|
|
ns_undef_sym='_environ'
|
|
LIBTOOL_CRUFT="-lcc_dynamic -U $ns_undef_sym" ;;
|
|
esac
|
|
|
|
AC_MSG_CHECKING(for --with-next-framework)
|
|
if test "$with_next_framework"
|
|
then
|
|
OPT="$OPT -fno-common"
|
|
# -U __environ is needed since bundles don't have access
|
|
# to crt0 when built but will always be linked against it
|
|
LDFLAGS="$LDFLAGS -Wl,-U,$ns_undef_sym"
|
|
AC_DEFINE(WITH_NEXT_FRAMEWORK)
|
|
AC_MSG_RESULT(yes)
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
|
|
AC_MSG_CHECKING(for --with-dyld)
|
|
if test "$with_next_framework" -o "$with_dyld"
|
|
then
|
|
if test "$with_dyld"
|
|
then
|
|
AC_MSG_RESULT(yes)
|
|
else
|
|
AC_MSG_RESULT(required for framework build)
|
|
fi
|
|
AC_DEFINE(WITH_DYLD)
|
|
ns_dyld='set'
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
fi
|
|
|
|
# Set info about shared libraries.
|
|
AC_SUBST(SO)
|
|
AC_SUBST(LDSHARED)
|
|
AC_SUBST(CCSHARED)
|
|
AC_SUBST(LINKFORSHARED)
|
|
# SO is the extension of shared libraries `(including the dot!)
|
|
# -- usually .so, .sl on HP-UX
|
|
AC_MSG_CHECKING(SO)
|
|
if test -z "$SO"
|
|
then
|
|
case $ac_sys_system in
|
|
hp*|HP*) SO=.sl;;
|
|
*) SO=.so;;
|
|
esac
|
|
fi
|
|
AC_MSG_RESULT($SO)
|
|
# LDSHARED is the ld *command* used to create shared library
|
|
# -- "ld" on SunOS 4.x.x, "ld -G" on SunOS 5.x, "ld -shared" on IRIX 5
|
|
# (Shared libraries in this instance are shared modules to be loaded into
|
|
# Python, as opposed to building Python itself as a shared library.)
|
|
AC_MSG_CHECKING(LDSHARED)
|
|
if test -z "$LDSHARED"
|
|
then
|
|
case $ac_sys_system/$ac_sys_release in
|
|
AIX*) LDSHARED="\$(srcdir)/ld_so_aix \$(CC)";;
|
|
BeOS*) LDSHARED="\$(srcdir)/../BeOS/linkmodule -L.. -lpython\$(VERSION)";;
|
|
IRIX/5*) LDSHARED="ld -shared";;
|
|
IRIX*/6*) LDSHARED="ld ${SGI_ABI} -shared -all";;
|
|
SunOS/4*) LDSHARED="ld";;
|
|
SunOS/5*)
|
|
if test "$GCC" = "yes"
|
|
then LDSHARED='$(CC) -G'
|
|
else LDSHARED="ld -G";
|
|
fi ;;
|
|
hp*|HP*) LDSHARED="ld -b";;
|
|
OSF*) LDSHARED="ld -shared -expect_unresolved \"*\"";;
|
|
DYNIX/ptx*) LDSHARED="ld -G";;
|
|
next/*)
|
|
if test "$ns_dyld"
|
|
then LDSHARED='$(CC) $(LDFLAGS) -bundle -prebind'
|
|
else LDSHARED='$(CC) $(CFLAGS) -nostdlib -r';
|
|
fi
|
|
if test "$with_next_framework" ; then
|
|
LDSHARED="$LDSHARED \$(LDLIBRARY)"
|
|
fi ;;
|
|
Linux*) LDSHARED="gcc -shared";;
|
|
dgux*) LDSHARED="ld -G";;
|
|
BSD/OS*/4*) LDSHARED="gcc -shared";;
|
|
FreeBSD*/[[34]]*) LDSHARED="gcc -shared";;
|
|
FreeBSD*|OpenBSD*) LDSHARED="ld -Bshareable";;
|
|
NetBSD*)
|
|
if [[ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]]
|
|
then
|
|
LDSHARED="cc -shared"
|
|
else
|
|
LDSHARED="ld -Bshareable"
|
|
fi;;
|
|
SCO_SV*) LDSHARED="cc -G -KPIC -Ki486 -belf -Wl,-Bexport";;
|
|
*) LDSHARED="ld";;
|
|
esac
|
|
fi
|
|
AC_MSG_RESULT($LDSHARED)
|
|
# CCSHARED are the C *flags* used to create objects to go into a shared
|
|
# library (module) -- this is only needed for a few systems
|
|
AC_MSG_CHECKING(CCSHARED)
|
|
if test -z "$CCSHARED"
|
|
then
|
|
case $ac_sys_system/$ac_sys_release in
|
|
hp*|HP*) if test "$GCC" = yes;
|
|
then CCSHARED="-fpic";
|
|
else CCSHARED="+z";
|
|
fi;;
|
|
Linux*) CCSHARED="-fpic";;
|
|
BSD/OS*/4*) CCSHARED="-fpic";;
|
|
FreeBSD*|OpenBSD*) CCSHARED="-fpic";;
|
|
NetBSD*) CCSHARED="-fPIC";;
|
|
SCO_SV*) CCSHARED="-KPIC -dy -Bdynamic";;
|
|
IRIX*/6*) case $CC in
|
|
*gcc*) CCSHARED="-shared";;
|
|
*) CCSHARED="";;
|
|
esac;;
|
|
esac
|
|
fi
|
|
AC_MSG_RESULT($CCSHARED)
|
|
# LINKFORSHARED are the flags passed to the $(CC) command that links
|
|
# the python executable -- this is only needed for a few systems
|
|
AC_MSG_CHECKING(LINKFORSHARED)
|
|
if test -z "$LINKFORSHARED"
|
|
then
|
|
case $ac_sys_system/$ac_sys_release in
|
|
AIX*) LINKFORSHARED='-Wl,-bE:python.exp -lld';;
|
|
hp*|HP*)
|
|
LINKFORSHARED="-Wl,-E -Wl,+s -Wl,+b\$(BINLIBDEST)/lib-dynload";;
|
|
BSD/OS/4*) LINKFORSHARED="-Xlinker -export-dynamic";;
|
|
FreeBSD/[[34]]*) LINKFORSHARED="-Xlinker -export-dynamic";;
|
|
Linux*) LINKFORSHARED="-Xlinker -export-dynamic";;
|
|
# -u libsys_s pulls in all symbols in libsys
|
|
next/2*|next/3*) LINKFORSHARED="-u libsys_s";;
|
|
# -u __dummy makes the linker aware of the objc runtime
|
|
# in System.framework; otherwise, __objcInit (referenced in
|
|
# crt1.o) gets erroneously defined as common, which breaks dynamic
|
|
# loading of any modules which reference it in System.framework
|
|
next/4*|next/5*) LINKFORSHARED="-u __dummy -framework System" ;;
|
|
SCO_SV*) LINKFORSHARED="-Bdynamic -dy -Wl,-Bexport";;
|
|
NetBSD*)
|
|
if [[ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]]
|
|
then
|
|
LINKFORSHARED="-Wl,--export-dynamic"
|
|
fi;;
|
|
SunOS/5*) case $CC in
|
|
*gcc*)
|
|
if $CC -Xlinker -V 2>&1 | grep BFD >/dev/null
|
|
then
|
|
LINKFORSHARED="-Xlinker --export-dynamic"
|
|
fi;;
|
|
esac;;
|
|
esac
|
|
fi
|
|
AC_MSG_RESULT($LINKFORSHARED)
|
|
|
|
# checks for libraries
|
|
AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV
|
|
AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX
|
|
|
|
# checks for system dependent C++ extensions support
|
|
case "$ac_sys_system" in
|
|
AIX*) AC_MSG_CHECKING(for genuine AIX C++ extensions support)
|
|
AC_TRY_LINK([#include "/usr/lpp/xlC/include/load.h"],
|
|
[loadAndInit("", 0, "")],
|
|
[AC_DEFINE(AIX_GENUINE_CPLUSPLUS)
|
|
AC_MSG_RESULT(yes)],
|
|
[AC_MSG_RESULT(no)]);;
|
|
*) ;;
|
|
esac
|
|
|
|
# Most SVR4 platforms (e.g. Solaris) need -lsocket and -lnsl.
|
|
# However on SGI IRIX, these exist but are broken.
|
|
# BeOS' sockets are stashed in libnet.
|
|
case "$ac_sys_system" in
|
|
IRIX*) ;;
|
|
*)
|
|
AC_CHECK_LIB(nsl, t_open, [LIBS="-lnsl $LIBS"]) # SVR4
|
|
AC_CHECK_LIB(socket, socket, [LIBS="-lsocket $LIBS"], [], $LIBS) # SVR4 sockets
|
|
AC_CHECK_LIB(net, socket, [LIBS="-lnet $LIBS"], [], $LIBS) # BeOS
|
|
;;
|
|
esac
|
|
|
|
AC_MSG_CHECKING(for --with-libs)
|
|
AC_ARG_WITH(libs,
|
|
[ --with-libs='lib1 ...' link against additional libs], [
|
|
AC_MSG_RESULT($withval)
|
|
LIBS="$withval $LIBS"
|
|
], AC_MSG_RESULT(no))
|
|
|
|
AC_MSG_CHECKING(for --with(out)-readline)
|
|
AC_ARG_WITH(readline,
|
|
[ --with(out)-readline obsolete, edit Modules/Setup instead],
|
|
[AC_MSG_RESULT($withval)
|
|
AC_ERROR(--with(out)-readline is obsolete, edit Modules/Setup instead)],
|
|
[AC_MSG_RESULT(not specified.)])
|
|
|
|
AC_SUBST(USE_THREAD_MODULE)
|
|
USE_THREAD_MODULE=""
|
|
|
|
AC_MSG_CHECKING(for --with-dec-threads)
|
|
AC_SUBST(LDLAST)
|
|
AC_ARG_WITH(dec-threads,
|
|
[ --with-dec-threads use DEC Alpha/OSF1 thread-safe libraries], [
|
|
AC_MSG_RESULT($withval)
|
|
LDLAST=-threads
|
|
if test "${with_thread+set}" != set; then
|
|
with_thread="$withval";
|
|
fi],
|
|
AC_MSG_RESULT(no))
|
|
|
|
AC_MSG_CHECKING(for --with-threads)
|
|
AC_ARG_WITH(threads,
|
|
[ --with(out)-threads[=DIRECTORY] disable/enable thread support])
|
|
|
|
# --with-thread is deprecated, but check for it anyway
|
|
AC_ARG_WITH(thread,
|
|
[ --with(out)-thread[=DIRECTORY] deprecated; use --with(out)-threads],[
|
|
with_threads=$with_thread])
|
|
|
|
if test -z "$with_threads"
|
|
then with_threads="yes"
|
|
fi
|
|
AC_MSG_RESULT($with_threads)
|
|
|
|
if test "$with_threads" = "no"
|
|
then
|
|
USE_THREAD_MODULE="#"
|
|
else
|
|
if test -d "$with_threads"
|
|
then LDFLAGS="$LDFLAGS -L$with_threads"
|
|
fi
|
|
if test -d "$withval"
|
|
then LDFLAGS="$LDFLAGS -L$withval"
|
|
fi
|
|
AC_DEFINE(_REENTRANT)
|
|
AC_CHECK_HEADER(mach/cthreads.h, [AC_DEFINE(WITH_THREAD)
|
|
AC_DEFINE(C_THREADS)
|
|
LIBOBJS="$LIBOBJS thread.o"],[
|
|
AC_CHECK_LIB(pthread, pthread_create, [AC_DEFINE(WITH_THREAD)
|
|
AC_DEFINE(_POSIX_THREADS)
|
|
LIBS="-lpthread $LIBS"
|
|
LIBOBJS="$LIBOBJS thread.o"],[
|
|
AC_CHECK_FUNC(pthread_detach, [AC_DEFINE(WITH_THREAD)
|
|
AC_DEFINE(_POSIX_THREADS)
|
|
LIBOBJS="$LIBOBJS thread.o"],[
|
|
AC_CHECK_HEADER(kernel/OS.h, [AC_DEFINE(WITH_THREAD)
|
|
AC_DEFINE(BEOS_THREADS)
|
|
LIBOBJS="$LIBOBJS thread.o"],[
|
|
AC_CHECK_LIB(pthreads, pthread_create, [AC_DEFINE(WITH_THREAD)
|
|
AC_DEFINE(_POSIX_THREADS)
|
|
LIBS="$LIBS -lpthreads"
|
|
LIBOBJS="$LIBOBJS thread.o"], [
|
|
AC_CHECK_LIB(c_r, pthread_create, [AC_DEFINE(WITH_THREAD)
|
|
AC_DEFINE(_POSIX_THREADS)
|
|
LIBS="$LIBS -lc_r"
|
|
LIBOBJS="$LIBOBJS thread.o"], [
|
|
AC_CHECK_LIB(thread, __d6_pthread_create, [AC_DEFINE(WITH_THREAD)
|
|
AC_DEFINE(_POSIX_THREADS)
|
|
LIBS="$LIBS -lthread"
|
|
LIBOBJS="$LIBOBJS thread.o"], [
|
|
AC_CHECK_LIB(pth, pth_init, [AC_DEFINE(WITH_THREAD)
|
|
AC_DEFINE(_GNU_PTH)
|
|
LIBS="-lpth $LIBS"
|
|
LIBOBJS="$LIBOBJS thread.o"],[
|
|
AC_CHECK_LIB(cma, pthread_create, [AC_DEFINE(WITH_THREAD)
|
|
AC_DEFINE(_POSIX_THREADS)
|
|
LIBS="$LIBS -lcma"
|
|
LIBOBJS="$LIBOBJS thread.o"])
|
|
])])])])])])])])
|
|
|
|
AC_CHECK_LIB(mpc, usconfig, [AC_DEFINE(WITH_THREAD)
|
|
LIBS="$LIBS -lmpc"
|
|
LIBOBJS="$LIBOBJS thread.o"])
|
|
AC_CHECK_LIB(thread, thr_create, [AC_DEFINE(WITH_THREAD)
|
|
LIBS="$LIBS -lthread"
|
|
LIBOBJS="$LIBOBJS thread.o"])
|
|
fi
|
|
|
|
# Check for GC support
|
|
AC_SUBST(USE_GC_MODULE)
|
|
USE_GC_MODULE=""
|
|
AC_MSG_CHECKING(for --with-cycle-gc)
|
|
AC_ARG_WITH(cycle-gc,
|
|
[ --with(out)-cycle-gc disable/enable garbage collection])
|
|
|
|
if test -z "$with_cycle_gc"
|
|
then with_cycle_gc="yes"
|
|
fi
|
|
if test "$with_cycle_gc" = "no"
|
|
then
|
|
USE_GC_MODULE="#"
|
|
else
|
|
AC_DEFINE(WITH_CYCLE_GC)
|
|
fi
|
|
AC_MSG_RESULT($with_cycle_gc)
|
|
|
|
# Check for --with-wctype-functions
|
|
AC_MSG_CHECKING(for --with-wctype-functions)
|
|
AC_ARG_WITH(wctype-functions,
|
|
[ --with-wctype-functions use wctype.h functions], [
|
|
if test "$withval" != no
|
|
then AC_DEFINE(WANT_WCTYPE_FUNCTIONS) AC_MSG_RESULT(yes)
|
|
else AC_MSG_RESULT(no)
|
|
fi],
|
|
[AC_MSG_RESULT(no)])
|
|
|
|
# -I${DLINCLDIR} is added to the compile rule for importdl.o
|
|
AC_SUBST(DLINCLDIR)
|
|
DLINCLDIR=/
|
|
|
|
AC_MSG_CHECKING(for --with-sgi-dl)
|
|
AC_ARG_WITH(sgi-dl,
|
|
[ --with-sgi-dl=DIRECTORY IRIX 4 dynamic linking], [
|
|
AC_MSG_RESULT($withval)
|
|
AC_DEFINE(WITH_SGI_DL)
|
|
DYNLOADFILE="dynload_dl.o"
|
|
dldir=$withval
|
|
if test -d "$dldir"
|
|
then LDFLAGS="$LDFLAGS -L$dldir"
|
|
else AC_ERROR(proper usage is --with-sgi-dl=DIRECTORY)
|
|
fi
|
|
DLINCLDIR=${dldir}
|
|
LIBS="$LIBS -ldl -lmld"], AC_MSG_RESULT(no))
|
|
|
|
AC_MSG_CHECKING(for --with-dl-dld)
|
|
AC_ARG_WITH(dl-dld, [ --with-dl-dld=DL_DIR,DLD_DIR GNU dynamic linking], [
|
|
AC_MSG_RESULT($withval)
|
|
AC_DEFINE(WITH_DL_DLD)
|
|
DYNLOADFILE="dynload_dl.o"
|
|
dldir=`echo "$withval" | sed 's/,.*//'`
|
|
dlddir=`echo "$withval" | sed 's/.*,//'`
|
|
if test -d "$dldir" -a -d "$dlddir"
|
|
then LDFLAGS="$LDFLAGS -L$dldir -L$dlddir"
|
|
else AC_ERROR(proper usage is --with-dl-dld=DL_DIRECTORY,DLD_DIRECTORY)
|
|
fi
|
|
DLINCLDIR=${dldir}
|
|
LIBS="$LIBS -ldl -ldld"], AC_MSG_RESULT(no))
|
|
|
|
# the dlopen() function means we might want to use dynload_shlib.o. some
|
|
# platforms, such as AIX, have dlopen(), but don't want to use it.
|
|
AC_CHECK_FUNC(dlopen)
|
|
|
|
# DYNLOADFILE specifies which dynload_*.o file we will use for dynamic
|
|
# loading of modules.
|
|
AC_SUBST(DYNLOADFILE)
|
|
AC_MSG_CHECKING(DYNLOADFILE)
|
|
if test -z "$DYNLOADFILE"
|
|
then
|
|
case $ac_sys_system/$ac_sys_release in
|
|
AIX*) DYNLOADFILE="dynload_aix.o";;
|
|
BeOS*) DYNLOADFILE="dynload_beos.o";;
|
|
hp*|HP*) DYNLOADFILE="dynload_hpux.o";;
|
|
next/*) DYNLOADFILE="dynload_next.o";;
|
|
*)
|
|
# use dynload_shlib.c and dlopen() if we have it; otherwise stub
|
|
# out any dynamic loading
|
|
if test "$ac_cv_func_dlopen" = yes
|
|
then DYNLOADFILE="dynload_shlib.o"
|
|
else DYNLOADFILE="dynload_stub.o"
|
|
fi
|
|
;;
|
|
esac
|
|
fi
|
|
AC_MSG_RESULT($DYNLOADFILE)
|
|
if test "$DYNLOADFILE" != "dynload_stub.o"
|
|
then
|
|
AC_DEFINE(HAVE_DYNAMIC_LOADING)
|
|
fi
|
|
|
|
# checks for library functions
|
|
AC_CHECK_FUNCS(alarm chown clock confstr ctermid ctermid_r dlopen execv \
|
|
flock fork fsync fdatasync fpathconf ftime ftruncate \
|
|
getgroups getlogin getpeername getpgrp getpid getpwent gettimeofday getwd \
|
|
kill link lstat mkfifo mktime mremap \
|
|
nice pathconf pause plock pthread_init \
|
|
putenv readlink \
|
|
select setgid setlocale setuid setsid setpgid setpgrp setvbuf \
|
|
sigaction siginterrupt sigrelse strftime strptime symlink sysconf \
|
|
tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
|
|
truncate uname waitpid)
|
|
|
|
# check for openpty and forkpty
|
|
|
|
AC_CHECK_FUNCS(openpty,, AC_CHECK_LIB(util,openpty, [AC_DEFINE(HAVE_OPENPTY)] [LIBS="$LIBS -lutil"]))
|
|
AC_CHECK_FUNCS(forkpty,, AC_CHECK_LIB(util,forkpty, [AC_DEFINE(HAVE_FORKPTY)] [LIBS="$LIBS -lutil"]))
|
|
|
|
# check for long file support functions
|
|
AC_CHECK_FUNCS(fseek64 fseeko fstatvfs ftell64 ftello statvfs)
|
|
|
|
AC_REPLACE_FUNCS(dup2 getcwd strdup strerror memmove)
|
|
AC_CHECK_FUNC(getpgrp, AC_TRY_COMPILE([#include <unistd.h>], [getpgrp(0);], AC_DEFINE(GETPGRP_HAVE_ARG)))
|
|
AC_CHECK_FUNC(setpgrp, AC_TRY_COMPILE([#include <unistd.h>], [setpgrp(0,0);], AC_DEFINE(SETPGRP_HAVE_ARG)))
|
|
AC_CHECK_FUNC(gettimeofday, AC_TRY_COMPILE([#include <sys/time.h>], [gettimeofday((struct timeval*)0,(struct timezone*)0);], ,AC_DEFINE(GETTIMEOFDAY_NO_TZ)))
|
|
|
|
# checks for structures
|
|
AC_HEADER_TIME
|
|
AC_STRUCT_TM
|
|
AC_STRUCT_TIMEZONE
|
|
|
|
AC_MSG_CHECKING(for time.h that defines altzone)
|
|
AC_CACHE_VAL(ac_cv_header_time_altzone,
|
|
[AC_TRY_COMPILE([#include <time.h>], [return altzone;],
|
|
ac_cv_header_time_altzone=yes,
|
|
ac_cv_header_time_altzone=no)])
|
|
AC_MSG_RESULT($ac_cv_header_time_altzone)
|
|
if test $ac_cv_header_time_altzone = yes; then
|
|
AC_DEFINE(HAVE_ALTZONE)
|
|
fi
|
|
|
|
was_it_defined=no
|
|
AC_MSG_CHECKING(whether sys/select.h and sys/time.h may both be included)
|
|
AC_TRY_COMPILE([
|
|
#include <sys/types.h>
|
|
#include <sys/select.h>
|
|
#include <sys/time.h>
|
|
], [;], [AC_DEFINE(SYS_SELECT_WITH_SYS_TIME) was_it_defined=yes])
|
|
AC_MSG_RESULT($was_it_defined)
|
|
|
|
# checks for compiler characteristics
|
|
|
|
AC_C_CHAR_UNSIGNED
|
|
AC_C_CONST
|
|
AC_C_INLINE
|
|
|
|
works=no
|
|
AC_MSG_CHECKING(for working volatile)
|
|
AC_TRY_COMPILE([],[volatile int x; x = 0;], works=yes, AC_DEFINE(volatile, []))
|
|
AC_MSG_RESULT($works)
|
|
|
|
works=no
|
|
AC_MSG_CHECKING(for working signed char)
|
|
AC_TRY_COMPILE([], [signed char c;], works=yes, AC_DEFINE(signed, []))
|
|
AC_MSG_RESULT($works)
|
|
|
|
have_prototypes=no
|
|
AC_MSG_CHECKING(for prototypes)
|
|
AC_TRY_COMPILE([int foo(int x) { return 0; }], [return foo(10);],
|
|
AC_DEFINE(HAVE_PROTOTYPES) have_prototypes=yes)
|
|
AC_MSG_RESULT($have_prototypes)
|
|
|
|
works=no
|
|
AC_MSG_CHECKING(for variable length prototypes and stdarg.h)
|
|
AC_TRY_COMPILE([
|
|
#include <stdarg.h>
|
|
int foo(int x, ...) {
|
|
va_list va;
|
|
va_start(va, x);
|
|
va_arg(va, int);
|
|
va_arg(va, char *);
|
|
va_arg(va, double);
|
|
return 0;
|
|
}
|
|
], [return foo(10, "", 3.14);],
|
|
AC_DEFINE(HAVE_STDARG_PROTOTYPES) works=yes)
|
|
AC_MSG_RESULT($works)
|
|
|
|
if test "$have_prototypes" = yes; then
|
|
bad_prototypes=no
|
|
AC_MSG_CHECKING(for bad exec* prototypes)
|
|
AC_TRY_COMPILE([#include <unistd.h>], [char **t;execve("@",t,t);], ,
|
|
AC_DEFINE(BAD_EXEC_PROTOTYPES) bad_prototypes=yes)
|
|
AC_MSG_RESULT($bad_prototypes)
|
|
fi
|
|
|
|
bad_forward=no
|
|
AC_MSG_CHECKING(for bad static forward)
|
|
AC_TRY_RUN([
|
|
struct s { int a; int b; };
|
|
static struct s foo;
|
|
int foobar() {
|
|
static int random;
|
|
random = (int) &foo;
|
|
return random;
|
|
}
|
|
static struct s foo = { 1, 2 };
|
|
main() {
|
|
exit(!((int)&foo == foobar()));
|
|
}
|
|
], , AC_DEFINE(BAD_STATIC_FORWARD) bad_forward=yes)
|
|
AC_MSG_RESULT($bad_forward)
|
|
|
|
va_list_is_array=no
|
|
AC_MSG_CHECKING(whether va_list is an array)
|
|
AC_TRY_COMPILE([
|
|
#ifdef HAVE_STDARG_PROTOTYPES
|
|
#include <stdarg.h>
|
|
#else
|
|
#include <varargs.h>
|
|
#endif
|
|
], [va_list list1, list2; list1 = list2;], ,
|
|
AC_DEFINE(VA_LIST_IS_ARRAY) va_list_is_array=yes)
|
|
AC_MSG_RESULT($va_list_is_array)
|
|
|
|
# sigh -- gethostbyname_r is a mess; it can have 3, 5 or 6 arguments :-(
|
|
AC_CHECK_FUNC(gethostbyname_r, [
|
|
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
|
|
AC_MSG_CHECKING([gethostbyname_r with 6 args])
|
|
OLD_CFLAGS=$CFLAGS
|
|
CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
|
|
AC_TRY_COMPILE([
|
|
# include <netdb.h>
|
|
], [
|
|
char *name;
|
|
struct hostent *he, *res;
|
|
char buffer[2048];
|
|
int buflen = 2048;
|
|
int h_errnop;
|
|
|
|
(void) gethostbyname_r(name, he, buffer, buflen, &res, &h_errnop)
|
|
], [
|
|
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
|
|
AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG)
|
|
AC_MSG_RESULT(yes)
|
|
], [
|
|
AC_MSG_RESULT(no)
|
|
AC_MSG_CHECKING([gethostbyname_r with 5 args])
|
|
AC_TRY_COMPILE([
|
|
# include <netdb.h>
|
|
], [
|
|
char *name;
|
|
struct hostent *he;
|
|
char buffer[2048];
|
|
int buflen = 2048;
|
|
int h_errnop;
|
|
|
|
(void) gethostbyname_r(name, he, buffer, buflen, &h_errnop)
|
|
], [
|
|
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
|
|
AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG)
|
|
AC_MSG_RESULT(yes)
|
|
], [
|
|
AC_MSG_RESULT(no)
|
|
AC_MSG_CHECKING([gethostbyname_r with 3 args])
|
|
AC_TRY_COMPILE([
|
|
# include <netdb.h>
|
|
], [
|
|
char *name;
|
|
struct hostent *he;
|
|
struct hostent_data data;
|
|
|
|
(void) gethostbyname_r(name, he, &data);
|
|
], [
|
|
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
|
|
AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG)
|
|
AC_MSG_RESULT(yes)
|
|
], [
|
|
AC_MSG_RESULT(no)
|
|
])
|
|
])
|
|
])
|
|
CFLAGS=$OLD_CFLAGS
|
|
], [
|
|
AC_CHECK_FUNC(gethostbyname, AC_DEFINE(HAVE_GETHOSTBYNAME))
|
|
])
|
|
AC_SUBST(HAVE_GETHOSTBYNAME_R_6_ARG)
|
|
AC_SUBST(HAVE_GETHOSTBYNAME_R_5_ARG)
|
|
AC_SUBST(HAVE_GETHOSTBYNAME_R_3_ARG)
|
|
AC_SUBST(HAVE_GETHOSTBYNAME_R)
|
|
AC_SUBST(HAVE_GETHOSTBYNAME)
|
|
|
|
# checks for system services
|
|
# (none yet)
|
|
|
|
# Linux requires this for correct f.p. operations
|
|
AC_CHECK_LIB(ieee, __fpu_control)
|
|
|
|
# Check for --with-fpectl
|
|
AC_MSG_CHECKING(for --with-fpectl)
|
|
AC_ARG_WITH(fpectl,
|
|
[ --with-fpectl enable SIGFPE catching], [
|
|
if test "$withval" != no
|
|
then AC_DEFINE(WANT_SIGFPE_HANDLER) AC_MSG_RESULT(yes)
|
|
else AC_MSG_RESULT(no)
|
|
fi],
|
|
[AC_MSG_RESULT(no)])
|
|
|
|
# check for --with-libm=...
|
|
AC_SUBST(LIBM)
|
|
case $ac_sys_system in
|
|
next) ;;
|
|
BeOS) ;;
|
|
*) LIBM=-lm
|
|
esac
|
|
AC_MSG_CHECKING(for --with-libm=STRING)
|
|
AC_ARG_WITH(libm, [ --with-libm=STRING math library], [
|
|
if test "$withval" = no
|
|
then LIBM=
|
|
AC_MSG_RESULT(force LIBM empty)
|
|
elif test "$withval" != yes
|
|
then LIBM=$withval
|
|
AC_MSG_RESULT(set LIBM=\"$withval\")
|
|
else AC_ERROR(proper usage is --with-libm=STRING)
|
|
fi],
|
|
[AC_MSG_RESULT(default LIBM=\"$LIBM\")])
|
|
|
|
# check for --with-libc=...
|
|
AC_SUBST(LIBC)
|
|
AC_MSG_CHECKING(for --with-libc=STRING)
|
|
AC_ARG_WITH(libc, [ --with-libc=STRING C library], [
|
|
if test "$withval" = no
|
|
then LIBC=
|
|
AC_MSG_RESULT(force LIBC empty)
|
|
elif test "$withval" != yes
|
|
then LIBC=$withval
|
|
AC_MSG_RESULT(set LIBC=\"$withval\")
|
|
else AC_ERROR(proper usage is --with-libc=STRING)
|
|
fi],
|
|
[AC_MSG_RESULT(default LIBC=\"$LIBC\")])
|
|
|
|
# check for hypot() in math library
|
|
LIBS_SAVE=$LIBS
|
|
LIBS="$LIBS $LIBM"
|
|
AC_CHECK_FUNCS(hypot)
|
|
AC_REPLACE_FUNCS(hypot)
|
|
LIBS=$LIBS_SAVE
|
|
|
|
# check for rint() in math library
|
|
LIBS_SAVE=$LIBS
|
|
LIBS="$LIBS $LIBM"
|
|
AC_CHECK_FUNCS(rint)
|
|
LIBS=$LIBS_SAVE
|
|
|
|
# check for getopt
|
|
AC_MSG_CHECKING(for genuine getopt)
|
|
AC_CACHE_VAL(ac_cv_func_getopt,
|
|
[AC_TRY_RUN([#include <stdio.h>
|
|
extern int optind, opterr, getopt();
|
|
extern char* optarg;
|
|
int main() {
|
|
char* av[] = { "testprog", "parameter", "-fFlag", NULL };
|
|
opterr = 0;
|
|
if (getopt(3, av, "f:") == 'f') { exit(1); }
|
|
exit(0);
|
|
}], ac_cv_func_getopt=yes, ac_cv_func_getopt=no, ac_cv_func_getopt=no)])dnl
|
|
AC_MSG_RESULT($ac_cv_func_getopt)
|
|
test $ac_cv_func_getopt = no && LIBOBJS="$LIBOBJS getopt.o"
|
|
AC_SUBST(LIBOBJS)dnl
|
|
|
|
# check whether malloc(0) returns NULL or not
|
|
AC_MSG_CHECKING(what malloc(0) returns)
|
|
AC_CACHE_VAL(ac_cv_malloc_zero,
|
|
[AC_TRY_RUN([#include <stdio.h>
|
|
#ifdef HAVE_STDLIB
|
|
#include <stdlib.h>
|
|
#else
|
|
char *malloc(), *realloc();
|
|
int *free();
|
|
#endif
|
|
main() {
|
|
char *p;
|
|
p = malloc(0);
|
|
if (p == NULL) exit(1);
|
|
p = realloc(p, 0);
|
|
if (p == NULL) exit(1);
|
|
free(p);
|
|
exit(0);
|
|
}], ac_cv_malloc_zero=nonnull, ac_cv_malloc_zero=null)])
|
|
AC_MSG_RESULT($ac_cv_malloc_zero)
|
|
if test "$ac_cv_malloc_zero" = null
|
|
then
|
|
AC_DEFINE(MALLOC_ZERO_RETURNS_NULL)
|
|
fi
|
|
|
|
# check for wchar.h
|
|
AC_CHECK_HEADER(wchar.h,
|
|
AC_DEFINE(HAVE_WCHAR_H) wchar_h="yes",
|
|
wchar_h="no"
|
|
)
|
|
|
|
# check for usable wchar_t
|
|
usable_wchar_t="unkown"
|
|
AC_MSG_CHECKING(for usable wchar_t)
|
|
AC_TRY_RUN([
|
|
#include "wchar.h"
|
|
#include "wctype.h"
|
|
main() {
|
|
wchar_t s;
|
|
if (sizeof(s) == 2)
|
|
exit(0);
|
|
else
|
|
exit(1);
|
|
}
|
|
],
|
|
AC_DEFINE(HAVE_USABLE_WCHAR_T) usable_wchar_t="yes",
|
|
usable_wchar_t="no")
|
|
AC_MSG_RESULT($usable_wchar_t)
|
|
|
|
# check for endianness
|
|
AC_C_BIGENDIAN
|
|
|
|
# THIS MUST BE LAST, IT CAN BREAK OTHER TESTS!
|
|
# Add sys/socket.h to confdefs.h
|
|
cat >> confdefs.h <<\EOF
|
|
#ifdef HAVE_SYS_SOCKET_H
|
|
#include <sys/socket.h>
|
|
#endif
|
|
EOF
|
|
AC_CHECK_TYPE(socklen_t, int)
|
|
|
|
# generate output files
|
|
AC_OUTPUT(Makefile \
|
|
Objects/Makefile \
|
|
Parser/Makefile \
|
|
Python/Makefile \
|
|
Modules/Makefile.pre \
|
|
Modules/Setup.config)
|