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- dnl Process this file with autoconf 2.0 or later to make a configure script.
- AC_REVISION($Revision: 1.173 $)
- AC_PREREQ(2.0)
- AC_INIT(Include/object.h)
- AC_CONFIG_HEADER(config.h)
-
- # Set VERSION so we only need to edit in one place (i.e., here)
- AC_SUBST(VERSION)
- VERSION=2.0
-
- # NEXTSTEP|MacOSX|Darwin stuff
- if test -f /usr/lib/NextStep/software_version -o -f /System/Library/CoreServices/software_version ; then
-
- AC_MSG_CHECKING(for --with-next-archs)
- AC_ARG_WITH(next-archs,
- [ --with-next-archs='arch1 arch2 ..' build MAB binary], [
- if test -n "$withval"; then
- ac_arch_flags=`/usr/lib/arch_tool -archify_list $withval`
- # GCC does not currently support multi archs on the NeXT
- with_gcc=no
- fi
- AC_MSG_RESULT($with_next_archs)
- ], [AC_MSG_RESULT(none: using `arch`)])
-
- if test -z "$MACHDEP"
- then
- ac_sys_system=`uname -s`
- if test "$ac_sys_system" = "Darwin" ; then
- ac_sys_release=`uname -r`
- else
- set X `hostinfo | egrep '(NeXT Mach|Kernel Release).*:' | \
- sed -e 's/://' -e 's/\./_/'` && \
- ac_sys_system=next && ac_sys_release=$4
- fi
-
- MACHDEP="$ac_sys_system$ac_sys_release"
- fi
- fi
-
- AC_ARG_WITH(next-framework,
- [ --with-next-framework Build (OpenStep|Rhapsody|MacOSX|Darwin) framework],,)
- AC_ARG_WITH(dyld,
- [ --with-dyld Use (OpenStep|Rhapsody|MacOSX|Darwin) dynamic linker],,)
-
- # Set name for machine-dependent library files
- AC_SUBST(MACHDEP)
- AC_MSG_CHECKING(MACHDEP)
- if test -z "$MACHDEP"
- then
- ac_sys_system=`uname -s`
- if test "$ac_sys_system" = "AIX" -o "$ac_sys_system" = "Monterey64"; then
- ac_sys_release=`uname -v`
- else
- ac_sys_release=`uname -r`
- fi
- ac_md_system=`echo $ac_sys_system |
- tr -d '[/ ]' | tr '[[A-Z]]' '[[a-z]]'`
- ac_md_release=`echo $ac_sys_release |
- tr -d '[/ ]' | sed 's/\..*//'`
- MACHDEP="$ac_md_system$ac_md_release"
-
- case $MACHDEP in
- '') MACHDEP="unknown";;
- esac
- fi
-
- #
- # SGI compilers allow the specification of the both the ABI and the
- # ISA on the command line. Depending on the values of these switches,
- # different and often incompatable code will be generated.
- #
- # The SGI_ABI variable can be used to modify the CC and LDFLAGS and
- # thus supply support for various ABI/ISA combinations. The MACHDEP
- # variable is also adjusted.
- #
- AC_SUBST(SGI_ABI)
- if test ! -z "$SGI_ABI"
- then
- CC="cc $SGI_ABI"
- LDFLAGS="$SGI_ABI $LDFLAGS"
- MACHDEP=`echo "${MACHDEP}${SGI_ABI}" | sed 's/ *//g'`
- fi
- AC_MSG_RESULT($MACHDEP)
-
- #
- # CCC is the command that compiles C++ programs
- #
- # Not all make programs have this predefined.
- #
- #AC_SUBST(SET_CCC)
- #AC_MSG_CHECKING(CCC)
- #if test -z "$CCC"
- #then
- # case $ac_sys_system in
- # IRIX*) SET_CCC="CCC= CC ${SGI_ABI}";;
- # Linux*) SET_CCC="CCC= g++";;
- # *) SET_CCC=""
- # esac
- #else
- # SET_CCC="CCC= ${CCC}"
- #fi
- #AC_MSG_RESULT($SET_CCC)
-
-
- # checks for alternative programs
- AC_MSG_CHECKING(for --without-gcc)
- AC_ARG_WITH(gcc, [ --without-gcc never use gcc], [
- case $withval in
- no) CC=cc
- without_gcc=yes;;
- yes) CC=gcc
- without_gcc=no;;
- *) CC=$withval
- without_gcc=$withval;;
- esac], [
- case $ac_sys_system in
- OSF1) CC=cc
- without_gcc=;;
- BeOS*)
- case $BE_HOST_CPU in
- ppc)
- CC=mwcc
- without_gcc=yes
- OPT="-O -D'DL_EXPORT(RTYPE)=__declspec(dllexport) RTYPE' -D'DL_IMPORT(RTYPE)=__declspec(dllexport) RTYPE' -export pragma"
- CCSHARED="UDL_IMPORT -D'DL_IMPORT(RTYPE)=__declspec(dllimport) RTYPE'"
- LDFLAGS="$LDFLAGS -nodup"
-
- AR="$PWD/BeOS/ar-fake"
- RANLIB=:
- ;;
- x86)
- CC=gcc
- without_gcc=no
- OPT=-O
- # Really should use srcdir instead of PWD
- AR="$PWD/BeOS/ar-fake"
- RANLIB=:
- ;;
- *)
- AC_ERROR(Unknown BeOS platform \"$BE_HOST_CPU\")
- ;;
- esac
- ;;
- Monterey*)
- RANLIB=:
- without_gcc=;;
- *) without_gcc=no;;
- esac])
- AC_MSG_RESULT($without_gcc)
-
- AC_SUBST(SET_CXX)
- AC_SUBST(MAINOBJ)
- MAINOBJ=python.o
- AC_MSG_CHECKING(for --with-cxx=<compiler>)
- AC_ARG_WITH(cxx, [ --with-cxx=<compiler> enable C++ support],[
- case $withval in
- no) CXX=
- with_cxx=no;;
- *) CXX=$withval
- MAINOBJ=ccpython.o
- with_cxx=$withval;;
- esac], [
- with_cxx=no
- ])
- AC_MSG_RESULT($with_cxx)
- SET_CXX="CXX=$CXX"
-
- #AC_MSG_CHECKING(CCC)
- #if test -z "$CCC"
- #then
- # case $ac_sys_system in
- # IRIX*) SET_CCC="CCC= CC ${SGI_ABI}";;
- # Linux*) SET_CCC="CCC= g++";;
- # *) SET_CCC=""
- # esac
- #else
- # SET_CCC="CCC= ${CCC}"
- #fi
- #AC_MSG_RESULT($SET_CCC)
-
- # If the user switches compilers, we can't believe the cache
- if test ! -z "$ac_cv_prog_CC" -a ! -z "$CC" -a "$CC" != "$ac_cv_prog_CC"
- then
- AC_ERROR(cached CC is different -- throw away $cache_file
- (it is also a good idea to do 'make clean' before compiling))
- fi
-
- AC_PROG_CC
- AC_SUBST(EXE)
- AC_MSG_CHECKING(for --with-suffix)
- AC_ARG_WITH(suffix, [ --with-suffix=.exe set executable suffix],[
- case $withval in
- no) EXE=;;
- yes) EXE=.exe;;
- *) EXE=$withval;;
- esac])
- AC_MSG_RESULT($EXE)
-
- case $MACHDEP in
- bsdos*)
- case $CC in
- gcc) CC="$CC -D_HAVE_BSDI";;
- esac;;
- esac
-
- case $ac_sys_system in
- hp*|HP*)
- case $CC in
- cc|*/cc) CC="$CC -Ae";;
- esac;;
- Monterey*)
- case $CC in
- cc) CC="$CC -Wl,-Bexport";;
- esac;;
- esac
-
- # LDLIBRARY is the name of the library to link against (as opposed to the
- # name of the library into which to insert object files). On systems
- # without shared libraries, LDLIBRARY is the same as LIBRARY (defined in
- # the Makefiles).
- AC_SUBST(MAKE_LDLIBRARY)
- AC_SUBST(LDLIBRARY)
- LDLIBRARY=''
-
- # LINKCC is the command that links the python executable -- default is $(CC).
- # This is altered for AIX in order to build the export list before
- # linking.
- AC_SUBST(LINKCC)
- AC_MSG_CHECKING(LINKCC)
- if test -z "$LINKCC" -a ! -z "$CXX"
- then
- LINKCC="$CXX"
- fi
- if test -z "$LINKCC"
- then
- case $ac_sys_system in
- AIX*)
- LINKCC="\$(srcdir)/makexp_aix python.exp \"\" \$(LIBRARY); \$(PURIFY) \$(CC)";;
- dgux*)
- LINKCC="LD_RUN_PATH=$libdir \$(PURIFY) \$(CC)";;
- Monterey64*)
- LINKCC="\$(PURIFY) \$(CC) -L/usr/lib/ia64l64";;
- *) LINKCC="\$(PURIFY) \$(CC)";;
- esac
- fi
- AC_MSG_RESULT($LINKCC)
-
- AC_MSG_CHECKING(LDLIBRARY)
-
- # NeXT framework builds require that the 'ar' library be converted into
- # a bundle using libtool.
- if test "$with_next_framework"
- then
- LDLIBRARY='libpython$(VERSION).dylib'
- fi
-
- # DG/UX requires some fancy ld contortions to produce a .so from an .a
- case $MACHDEP in
- dguxR4)
- LDLIBRARY='libpython$(VERSION).so'
- OPT="$OPT -pic"
- ;;
- beos*)
- LDLIBRARY='libpython$(VERSION).so'
- ;;
- esac
- AC_MSG_RESULT($LDLIBRARY)
-
- # If LDLIBRARY is different from LIBRARY, emit a rule to build it.
- if test -z "$LDLIBRARY"
- then
- LDLIBRARY='libpython$(VERSION).a'
- MAKE_LDLIBRARY="true"
- else
- MAKE_LDLIBRARY='$(MAKE) $(LDLIBRARY)'
- fi
-
- AC_PROG_RANLIB
- AC_SUBST(AR)
- AC_CHECK_PROGS(AR, ar aal, ar)
- AC_SUBST(INSTALL)
- AC_SUBST(INSTALL_PROGRAM)
- AC_SUBST(INSTALL_DATA)
- # Install just never works :-(
- if test -z "$INSTALL"
- then
- INSTALL=cp
- INSTALL_PROGRAM=cp
- INSTALL_DATA=cp
- else
- INSTALL_PROGRAM="$INSTALL"
- INSTALL_DATA="$INSTALL -m 644"
- fi
-
- # Not every filesystem supports hard links
- AC_SUBST(LN)
- if test -z "$LN" ; then
- case $ac_sys_system in
- BeOS*) LN="ln -s";;
- *) LN=ln;;
- esac
- fi
-
- # Optimizer/debugger flags passed between Makefiles
- AC_SUBST(OPT)
- if test -z "$OPT"
- then
- case $GCC in
- yes)
- case $ac_cv_prog_cc_g in
- yes) OPT="-g -O2 -Wall -Wstrict-prototypes";;
- *) OPT="-O2 -Wall -Wstrict-prototypes";;
- esac
- ;;
- *) OPT="-O";;
- esac
- fi
-
- # The current (beta) Monterey compiler dies with optimizations
- case $ac_sys_system in
- Monterey*) OPT="";;
- esac
-
- if test "$ac_arch_flags"
- then
- OPT="$OPT $ac_arch_flags"
- fi
- # checks for UNIX variants that set C preprocessor variables
- AC_AIX
- AC_MINIX
-
- AC_MSG_CHECKING(whether $CC accepts -OPT:Olimit=0)
- AC_CACHE_VAL(ac_cv_opt_olimit_ok,
- [ac_save_cc="$CC"
- CC="$CC -OPT:Olimit=0"
- AC_TRY_RUN([int main() { return 0; }],
- ac_cv_opt_olimit_ok=yes,
- ac_cv_opt_olimit_ok=no)
- CC="$ac_save_cc"])
- AC_MSG_RESULT($ac_cv_opt_olimit_ok)
- if test $ac_cv_opt_olimit_ok = yes; then
- case $ac_sys_system in
- Darwin*) OPT="$OPT" ;;
- *) OPT="$OPT -OPT:Olimit=0";;
- esac
- else
- AC_MSG_CHECKING(whether $CC accepts -Olimit 1500)
- AC_CACHE_VAL(ac_cv_olimit_ok,
- [ac_save_cc="$CC"
- CC="$CC -Olimit 1500"
- AC_TRY_RUN([int main() { return 0; }],
- ac_cv_olimit_ok=yes,
- ac_cv_olimit_ok=no)
- CC="$ac_save_cc"])
- AC_MSG_RESULT($ac_cv_olimit_ok)
- if test $ac_cv_olimit_ok = yes; then
- OPT="$OPT -Olimit 1500"
- fi
- fi
-
- dnl # check for ANSI or K&R ("traditional") preprocessor
- dnl AC_MSG_CHECKING(for C preprocessor type)
- dnl AC_TRY_COMPILE([
- dnl #define spam(name, doc) {#name, &name, #name "() -- " doc}
- dnl int foo;
- dnl struct {char *name; int *addr; char *doc;} desc = spam(foo, "something");
- dnl ], [;], cpp_type=ansi, AC_DEFINE(HAVE_OLD_CPP) cpp_type=traditional)
- dnl AC_MSG_RESULT($cpp_type)
-
- # checks for header files
- AC_HEADER_STDC
- AC_CHECK_HEADERS(dlfcn.h fcntl.h limits.h locale.h ncurses.h poll.h pthread.h \
- signal.h stdarg.h stddef.h stdlib.h thread.h unistd.h utime.h \
- sys/audioio.h sys/file.h sys/lock.h db_185.h db.h \
- sys/param.h sys/select.h sys/socket.h sys/time.h sys/times.h \
- sys/un.h sys/utsname.h sys/wait.h pty.h libutil.h \
- ndbm.h db1/ndbm.h gdbm/ndbm.h)
- AC_HEADER_DIRENT
-
- # checks for typedefs
- was_it_defined=no
- AC_MSG_CHECKING(for clock_t in time.h)
- AC_EGREP_HEADER(clock_t, time.h, was_it_defined=yes, AC_DEFINE(clock_t, long))
- AC_MSG_RESULT($was_it_defined)
-
- # Add some code to confdefs.h so that the test for off_t works on SCO
- cat >> confdefs.h <<\EOF
- #if defined(SCO_DS)
- #undef _OFF_T
- #endif
- EOF
-
- # Type availability checks
- AC_TYPE_MODE_T
- AC_TYPE_OFF_T
- AC_TYPE_PID_T
- AC_TYPE_SIGNAL
- AC_TYPE_SIZE_T
- AC_TYPE_UID_T
-
- # Sizes of various common basic types
- AC_CHECK_SIZEOF(int)
- AC_CHECK_SIZEOF(long)
- AC_CHECK_SIZEOF(void *)
- AC_CHECK_SIZEOF(char)
- AC_CHECK_SIZEOF(short)
- AC_CHECK_SIZEOF(float)
- AC_CHECK_SIZEOF(double)
- AC_CHECK_SIZEOF(fpos_t)
-
- AC_MSG_CHECKING(for long long support)
- have_long_long=no
- AC_TRY_COMPILE([], [long long x; x = (long long)0;], AC_DEFINE(HAVE_LONG_LONG) have_long_long=yes)
- AC_MSG_RESULT($have_long_long)
- if test "$have_long_long" = yes ; then
- AC_CHECK_SIZEOF(long long)
- fi
-
- AC_MSG_CHECKING(for uintptr_t support)
- have_uintptr_t=no
- AC_TRY_COMPILE([], [uintptr_t x; x = (uintptr_t)0;], AC_DEFINE(HAVE_UINTPTR_T) have_uintptr_t=yes)
- AC_MSG_RESULT($have_uintptr_t)
- if test "$have_uintptr_t" = yes ; then
- AC_CHECK_SIZEOF(uintptr_t)
- fi
-
- # Hmph. AC_CHECK_SIZEOF() doesn't include <sys/types.h>.
- AC_MSG_CHECKING(size of off_t)
- AC_CACHE_VAL(ac_cv_sizeof_off_t,
- [AC_TRY_RUN([#include <stdio.h>
- #include <sys/types.h>
- main()
- {
- FILE *f=fopen("conftestval", "w");
- if (!f) exit(1);
- fprintf(f, "%d\n", sizeof(off_t));
- exit(0);
- }], ac_cv_sizeof_off_t=`cat conftestval`, ac_cv_sizeof_off_t=0)
- ])
- AC_MSG_RESULT($ac_cv_sizeof_off_t)
- AC_DEFINE_UNQUOTED(SIZEOF_OFF_T, $ac_cv_sizeof_off_t)
-
- AC_MSG_CHECKING(whether to enable large file support)
- if test "$have_long_long" = yes -a \
- "$ac_cv_sizeof_off_t" -gt "$ac_cv_sizeof_long" -a \
- "$ac_cv_sizeof_long_long" -ge "$ac_cv_sizeof_off_t"; then
- AC_DEFINE(HAVE_LARGEFILE_SUPPORT)
- AC_MSG_RESULT(yes)
- 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>
- #include <time.h>
- 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, $ac_cv_sizeof_time_t)
-
-
- # if have pthread_t then define SIZEOF_PTHREAD_T
- AC_MSG_CHECKING(for pthread_t)
- have_pthread_t=no
- AC_TRY_COMPILE([#include <pthread.h>], [pthread_t x; x = *(pthread_t*)0;], have_pthread_t=yes)
- AC_MSG_RESULT($have_pthread_t)
- if test "$have_pthread_t" = yes ; then
- # AC_CHECK_SIZEOF() doesn't include <pthread.h>.
- AC_MSG_CHECKING(size of pthread_t)
- AC_CACHE_VAL(ac_cv_sizeof_pthread_t,
- [AC_TRY_RUN([#include <stdio.h>
- #include <pthread.h>
- main()
- {
- FILE *f=fopen("conftestval", "w");
- if (!f) exit(1);
- fprintf(f, "%d\n", sizeof(pthread_t));
- exit(0);
- }], ac_cv_sizeof_pthread_t=`cat conftestval`, ac_cv_sizeof_pthread_t=0)
- ])
- AC_MSG_RESULT($ac_cv_sizeof_pthread_t)
- AC_DEFINE_UNQUOTED(SIZEOF_PTHREAD_T, $ac_cv_sizeof_pthread_t)
- fi
-
-
- # Minor variations in building a framework between NextStep versions 4 and 5
- AC_SUBST(LIBTOOL_CRUFT)
- case $ac_sys_system/$ac_sys_release in
- Darwin/*)
- ns_undef_sym='_environ'
- LIBTOOL_CRUFT="-lcc_dynamic -arch_only ppc -U $ns_undef_sym" ;;
- 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='$(CC) -G'
- else LDSHARED="ld -G";
- fi ;;
- hp*|HP*) LDSHARED="ld -b";;
- OSF*) LDSHARED="ld -shared -expect_unresolved \"*\"";;
- DYNIX/ptx*) LDSHARED="ld -G";;
- Darwin/*|next/*)
- if test "$ns_dyld"
- then
- if test "$ac_sys_system" = Darwin
- then LDSHARED='$(CC) $(LDFLAGS) -bundle -undefined suppress'
- else LDSHARED='$(CC) $(LDFLAGS) -bundle -prebind'
- fi
- else LDSHARED='$(CC) $(CFLAGS) -nostdlib -r';
- fi
- if test "$with_next_framework" ; then
- LDSHARED="$LDSHARED \$(LDLIBRARY)"
- fi ;;
- Linux*) LDSHARED="gcc -shared";;
- dgux*) LDSHARED="ld -G";;
- BSD/OS*/4*) LDSHARED="gcc -shared";;
- OpenBSD*) LDSHARED="ld -Bshareable";;
- NetBSD*)
- if [[ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]]
- then
- LDSHARED="cc -shared"
- else
- LDSHARED="ld -Bshareable"
- fi;;
- FreeBSD*)
- if [[ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]]
- then
- LDSHARED="cc -shared ${LDFLAGS}"
- else
- LDSHARED="ld -Bshareable ${LDFLAGS}"
- fi;;
- SCO_SV*) LDSHARED="cc -G -KPIC -Ki486 -belf -Wl,-Bexport";;
- Monterey*) LDSHARED="cc -G -dy -Bdynamic -Bexport -L/usr/lib/ia64l64";;
- *) LDSHARED="ld";;
- esac
- fi
- AC_MSG_RESULT($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";;
- OpenBSD*) CCSHARED="-fpic";;
- FreeBSD*|NetBSD*) CCSHARED="-fPIC";;
- SCO_SV*) CCSHARED="-KPIC -dy -Bdynamic";;
- Monterey*) CCSHARED="-G";;
- 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";;
- 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" ;;
- Darwin/*) LINKFORSHARED="-framework System" ;;
- SCO_SV*) LINKFORSHARED="-Bdynamic -dy -Wl,-Bexport";;
- ReliantUNIX*) LINKFORSHARED="-W1 -Blargedynsym";;
- FreeBSD*|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
-
- # Check for --with-pydebug
- AC_MSG_CHECKING(for --with-pydebug)
- AC_ARG_WITH(pydebug,
- [ --with-pydebug build with Py_DEBUG defined], [
- if test "$withval" != no
- then AC_DEFINE(Py_DEBUG) AC_MSG_RESULT(yes)
- else AC_MSG_RESULT(no)
- fi],
- [AC_MSG_RESULT(no)])
-
- # checks for system dependent C++ extensions support
- case "$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"], [], $LIBS) # SVR4 sockets
- ;;
- esac
- case "$ac_sys_system" in
- BeOS*)
- 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 $LIBS"
- ], AC_MSG_RESULT(no))
-
- AC_SUBST(USE_THREAD_MODULE)
- USE_THREAD_MODULE=""
-
- AC_MSG_CHECKING(for --with-dec-threads)
- AC_SUBST(LDLAST)
- AC_ARG_WITH(dec-threads,
- [ --with-dec-threads use DEC Alpha/OSF1 thread-safe libraries], [
- AC_MSG_RESULT($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 ! -z "$with_threads" -a -d "$with_threads"
- then LDFLAGS="$LDFLAGS -L$with_threads"
- fi
- if test ! -z "$withval" -a -d "$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="$LIBOBJS thread.o"],[
- AC_MSG_CHECKING(for --with-pth)
- AC_ARG_WITH(pth,
- [ --with-pth use GNU pth threading libraries], [
- AC_MSG_RESULT($withval)
- AC_DEFINE(WITH_THREAD)
- AC_DEFINE(HAVE_PTH)
- LIBS="-lpth $LIBS"
- LIBOBJS="$LIBOBJS thread.o"],[
- AC_MSG_RESULT(no)
- 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)
- case $ac_sys_system in
- Darwin*) ;;
- *) AC_DEFINE(_POSIX_THREADS);;
- esac
- LIBOBJS="$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="$LIBOBJS thread.o"], [
- AC_CHECK_LIB(cma, pthread_create, [AC_DEFINE(WITH_THREAD)
- AC_DEFINE(_POSIX_THREADS)
- LIBS="$LIBS -lcma"
- LIBOBJS="$LIBOBJS thread.o"],[
- USE_THREAD_MODULE="#"])
- ])])])])])])])])
-
- AC_CHECK_LIB(mpc, usconfig, [AC_DEFINE(WITH_THREAD)
- LIBS="$LIBS -lmpc"
- LIBOBJS="$LIBOBJS thread.o"
- USE_THREAD_MODULE=""])
- AC_CHECK_LIB(thread, thr_create, [AC_DEFINE(WITH_THREAD)
- LIBS="$LIBS -lthread"
- LIBOBJS="$LIBOBJS thread.o"
- USE_THREAD_MODULE=""])
-
- if test "$USE_THREAD_MODULE" != "#"
- then
- # If the above checks didn't disable threads, (at least) OSF1
- # needs this '-threads' argument during linking.
- case $ac_sys_system in
- OSF1) LDLAST=-threads;;
- esac
- fi
- fi
-
- # Check for GC support
- AC_SUBST(USE_GC_MODULE)
- USE_GC_MODULE=""
- AC_MSG_CHECKING(for --with-cycle-gc)
- AC_ARG_WITH(cycle-gc,
- [ --with(out)-cycle-gc disable/enable garbage collection])
-
- if test -z "$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 LIBDB support
- # either --with-libdb or, in its absence, the presence of db.h
- AC_SUBST(USE_BSDDB_MODULE)
- USE_BSDDB_MODULE=""
- AC_MSG_CHECKING(for --with-libdb)
- AC_ARG_WITH(libdb,
- [ --with(out)-libdb disable/enable bsddb module])
-
- # enabled by default, but db.h must be found
- if test "$ac_cv_header_db_h" = "yes"
- then
- if test "$with_libdb" != "no"
- then with_libdb="yes"
- fi
- else
- # make sure user knows why bsddb support wasn't enabled even
- # though s/he requested it
- if test "$with_libdb" = "yes"
- then echo $ac_n "(requested, but db.h was not found) $ac_c"
- fi
- with_libdb="no"
- fi
-
- if test "$with_libdb" = "no"
- then
- USE_BSDDB_MODULE="#"
- else
- AC_DEFINE(WITH_LIBDB)
- fi
- AC_MSG_RESULT($with_libdb)
-
- if test "$with_libdb" = "yes"
- then
- # check for libdb; BSD systems have the DB routines in libc --tg
- AC_SUBST(HAVE_LIBDB)
- # If dbopen is not in libc, then checking whether it is in libdb
- # is difficult: db_185.h may #define it as __db185_open
- # Instead, we just trust it is in libdb; linking will fail if it
- # is not.
- AC_CHECK_FUNC(dbopen, [HAVE_LIBDB=], [HAVE_LIBDB=-ldb])
- fi
-
- # 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 ! -z "$dldir" -a -d "$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 "$withval" | sed 's/.*,//'`
- if test ! -z "$dldir" -a -d "$dldir" -a ! -z "$dlddir" -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_FUNCS(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";;
- Darwin/*|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 "$DYNLOADFILE" != "dynload_stub.o"
- then
- AC_DEFINE(HAVE_DYNAMIC_LOADING)
- fi
-
- # checks for library functions
- AC_CHECK_FUNCS(alarm chown clock confstr ctermid ctermid_r execv \
- flock fork fsync fdatasync fpathconf ftime ftruncate \
- getgroups getlogin getpeername getpid getpwent getwd \
- kill link lstat mkfifo mktime mremap \
- nice pathconf pause plock poll pthread_init \
- putenv readlink \
- select setegid seteuid setgid \
- setlocale setregid setreuid setsid setpgid setuid setvbuf \
- sigaction siginterrupt sigrelse strftime strptime symlink sysconf \
- tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \
- truncate uname waitpid _getpty)
-
- # check for openpty and forkpty
-
- AC_CHECK_FUNCS(openpty,, AC_CHECK_LIB(util,openpty, [AC_DEFINE(HAVE_OPENPTY)] [LIBS="$LIBS -lutil"]))
- AC_CHECK_FUNCS(forkpty,, AC_CHECK_LIB(util,forkpty, [AC_DEFINE(HAVE_FORKPTY)] [LIBS="$LIBS -lutil"]))
-
- # check for long file support functions
- AC_CHECK_FUNCS(fseek64 fseeko fstatvfs ftell64 ftello statvfs)
-
- AC_REPLACE_FUNCS(dup2 getcwd strdup strerror memmove)
- AC_CHECK_FUNCS(getpgrp, AC_TRY_COMPILE([#include <unistd.h>], [getpgrp(0);], AC_DEFINE(GETPGRP_HAVE_ARG)))
- AC_CHECK_FUNCS(setpgrp, AC_TRY_COMPILE([#include <unistd.h>], [setpgrp(0,0);], AC_DEFINE(SETPGRP_HAVE_ARG)))
- AC_CHECK_FUNCS(gettimeofday, AC_TRY_COMPILE([#include <sys/time.h>], [gettimeofday((struct timeval*)0,(struct timezone*)0);], ,AC_DEFINE(GETTIMEOFDAY_NO_TZ)))
-
- # checks for structures
- AC_HEADER_TIME
- AC_STRUCT_TM
- AC_STRUCT_TIMEZONE
-
- AC_MSG_CHECKING(for time.h that defines altzone)
- AC_CACHE_VAL(ac_cv_header_time_altzone,
- [AC_TRY_COMPILE([#include <time.h>], [return altzone;],
- ac_cv_header_time_altzone=yes,
- ac_cv_header_time_altzone=no)])
- AC_MSG_RESULT($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_FUNCS(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_FUNC(__fpu_control,
- [],
- [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 $ac_sys_system in
- Darwin) ;;
- next) ;;
- BeOS) ;;
- *) LIBM=-lm
- esac
- AC_MSG_CHECKING(for --with-libm=STRING)
- AC_ARG_WITH(libm, [ --with-libm=STRING math library], [
- if test "$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 $LIBM"
- AC_REPLACE_FUNCS(hypot)
- LIBS=$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($usable_wchar_t)
-
- # check for endianness
- AC_C_BIGENDIAN
-
- # Check whether right shifting a negative integer extends the sign bit
- # or fills with zeros (like the Cray J90, according to Tim Peters).
- AC_MSG_CHECKING(whether right shift extends the sign bit)
- AC_CACHE_VAL(ac_cv_rshift_extends_sign, [
- AC_TRY_RUN([
- int main()
- {
- exit(((-1)>>3 == -1) ? 0 : 1);
- }
- ], ac_cv_rshift_extends_sign=yes, ac_cv_rshift_extends_sign=no)])
- AC_MSG_RESULT($ac_cv_rshift_extends_sign)
- if test "$ac_cv_rshift_extends_sign" = no
- then
- AC_DEFINE(SIGNED_RIGHT_SHIFT_ZERO_FILLS)
- fi
-
-
- # 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 \
- Grammar/Makefile \
- Python/Makefile \
- Modules/Makefile.pre \
- Modules/Setup.config)
-