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cpython/configure.in

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dnl Process this file with autoconf 2.0 or later to make a configure script.
AC_REVISION($Revision$)
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=1.5
# NEXTSTEP 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
set X `hostinfo | egrep '(NeXT Mach|Kernel Release).*:' | \
sed -e 's/://' -e 's/\./_/'` && \
ac_sys_system=next && ac_sys_release=$4
MACHDEP="$ac_sys_system$ac_sys_release"
fi
fi
AC_ARG_WITH(next-framework,
[--with-next-framework Build (OpenStep|Rhapsody|MacOS10) framework],,)
AC_ARG_WITH(dyld,
[--with-dyld Use (OpenStep|Rhapsody|MacOS10) dynamic linker],,)
# Set name for machine-dependent library files
AC_SUBST(MACHDEP)
AC_MSG_CHECKING(MACHDEP)
if test -z "$MACHDEP"
then
ac_sys_system=`uname -s`
if test "$ac_sys_system" = "AIX" ; 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*)
# Dunno if it's a good idea to get this over with all at once, or
# to handle it in with the other goodies.
MACHDEP=beos
case $BE_HOST_CPU in
ppc)
CC="mwcc -I$PWD/BeOS"
without_gcc=yes
OPT="-DUSE_DL_EXPORT -O7 -opt schedule604"
CCSHARED=-UUSE_DL_EXPORT
LDFLAGS="$LDFLAGS -nodup"
AR="$PWD/BeOS/ar-fake"
RANLIB=:
AC_DEFINE(DL_EXPORT_HEADER,"dl_export.h")
;;
x86)
CC="gcc -I$PWD/BeOS"
without_gcc=no
OPT="-DUSE_DL_EXPORT -O3 -mpentiumpro"
CCSHARED=-UUSE_DL_EXPORT
AR="$PWD/BeOS/ar-fake"
RANLIB=:
AC_DEFINE(DL_EXPORT_HEADER,"dl_export.h")
;;
*)
AC_ERROR(Your BeOS system isn't PowerPC or x86... neat, but this won't work...)
;;
esac
;;
*) without_gcc=no;;
esac])
AC_MSG_RESULT($without_gcc)
# If the user switches compilers, we can't believe the cache
if test ! -z "$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
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 -Aa -D_HPUX_SOURCE";;
esac;;
BeOS*)
case $CC in
cc) CC=cc;;
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 $(CC).
# This is altered for AIX and BeOS in order to build the export list before
# linking.
AC_SUBST(LINKCC)
AC_MSG_CHECKING(LINKCC)
if test -z "$LINKCC"
then
case $ac_sys_system in
AIX*)
LINKCC="\$(srcdir)/makexp_aix python.exp \"\" \$(LIBRARY); \$(PURIFY) \$(CC)";;
BeOS*)
LINKCC="\$(srcdir)/../BeOS/linkcc \$(LIBRARY) \$(PURIFY) \$(CC) \$(OPT)"
LDLIBRARY='libpython$(VERSION).so';;
dgux*)
LINKCC="LD_RUN_PATH=$libdir \$(PURIFY) \$(CC)";;
*) LINKCC="\$(PURIFY) \$(CC)";;
esac
fi
AC_MSG_RESULT($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
if test "$MACHDEP" = "dguxR4"
then
LDLIBRARY='libpython$(VERSION).so'
OPT="$OPT -pic"
fi
AC_MSG_RESULT($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 $ac_cv_prog_cc_g in
yes) OPT="-g -O2";;
*) OPT="-O2";;
esac
;;
*) OPT="-O";;
esac
fi
if test "$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 $ac_cv_opt_olimit_ok = yes; then
OPT="$OPT -OPT:Olimit=0"
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
# check for ANSI or K&R ("traditional") preprocessor
AC_MSG_CHECKING(for C preprocessor type)
AC_TRY_COMPILE([
#define spam(name, doc) {#name, &name, #name "() -- " doc}
int foo;
struct {char *name; int *addr; char *doc;} desc = spam(foo, "something");
], [;], cpp_type=ansi, AC_DEFINE(HAVE_OLD_CPP) cpp_type=traditional)
AC_MSG_RESULT($cpp_type)
# checks for header files
AC_HEADER_STDC
AC_CHECK_HEADERS(dlfcn.h fcntl.h limits.h locale.h ncurses.h pthread.h \
signal.h stdarg.h stddef.h stdlib.h thread.h unistd.h utime.h \
sys/audioio.h sys/file.h sys/lock.h \
sys/param.h sys/select.h sys/time.h sys/times.h \
sys/un.h sys/utsname.h sys/wait.h)
AC_HEADER_DIRENT
# checks for typedefs
was_it_defined=no
AC_MSG_CHECKING(for clock_t in time.h)
AC_EGREP_HEADER(clock_t, time.h, was_it_defined=yes, AC_DEFINE(clock_t, long))
AC_MSG_RESULT($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
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIGNAL
AC_TYPE_SIZE_T
AC_TYPE_UID_T
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(void *)
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 $have_long_long = yes ; then
AC_CHECK_SIZEOF(long long)
fi
# Hmph. AC_CHECK_SIZEOF() doesn't include <sys/types.h>.
AC_MSG_CHECKING(size of off_t)
AC_CACHE_VAL(ac_cv_sizeof_off_t,
[AC_TRY_RUN([#include <stdio.h>
#include <sys/types.h>
main()
{
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
fprintf(f, "%d\n", sizeof(off_t));
exit(0);
}], ac_cv_sizeof_off_t=`cat conftestval`, ac_cv_sizeof_off_t=0)
])
AC_MSG_RESULT($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
# 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 ${SGI_ABI} -shared -all";;
SunOS/4*) LDSHARED="ld";;
SunOS/5*) LDSHARED="ld -G";;
hp*|HP*) LDSHARED="ld -b";;
OSF*) LDSHARED="ld -shared -expect_unresolved \"*\"";;
DYNIX/ptx*) LDSHARED="ld -G";;
next/*)
if test "$ns_dyld"
then LDSHARED='$(CC) $(LDFLAGS) -bundle -prebind'
else LDSHARED='$(CC) $(CFLAGS) -nostdlib -r';
fi
if test "$with_next_framework" ; then
LDSHARED="$LDSHARED \$(LDLIBRARY)"
fi ;;
Linux*) LDSHARED="gcc -shared";;
dgux*) LDSHARED="ld -G";;
FreeBSD*/3*) LDSHARED="gcc -shared";;
FreeBSD*|OpenBSD*) LDSHARED="ld -Bshareable";;
NetBSD*)
if [[ "`$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";;
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";;
FreeBSD/3*) 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 $CC -Xlinker -V 2>/dev/null | grep BFD >/dev/null
then
LINKFORSHARED="-Xlinker --export-dynamic"
fi;;
esac;;
esac
fi
AC_MSG_RESULT($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
# 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="$withval";
fi],
AC_MSG_RESULT(no))
AC_MSG_CHECKING(for --with-threads)
AC_ARG_WITH(threads, [--with-threads alias for --with-thread],
[AC_MSG_RESULT($withval)
if test "${with_thread+set}" != set; then
with_thread="$withval";
fi],
AC_MSG_RESULT(no))
AC_MSG_CHECKING(for --with-thread)
AC_ARG_WITH(thread, [--with-thread[=DIRECTORY] make interpreter thread-safe], [
USE_THREAD_MODULE=
AC_MSG_RESULT($withval)
if test -d "$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="$LIBOBJS thread.o"],[
AC_CHECK_FUNC(pthread_detach, [AC_DEFINE(WITH_THREAD)
AC_DEFINE(_POSIX_THREADS)
LIBOBJS="$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="$LIBOBJS thread.o"], [
AC_CHECK_LIB(pthread, pthread_create, [AC_DEFINE(WITH_THREAD)
AC_DEFINE(_POSIX_THREADS)
LIBS="$LIBS -lpthread"
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="$LIBOBJS thread.o"])
])])])])])])])
AC_CHECK_LIB(mpc, usconfig, [AC_DEFINE(WITH_THREAD)
LIBS="$LIBS -lmpc"
LIBOBJS="$LIBOBJS thread.o"])
AC_CHECK_LIB(thread, thr_create, [AC_DEFINE(WITH_THREAD)
LIBS="$LIBS -lthread"
LIBOBJS="$LIBOBJS thread.o"])
], AC_MSG_RESULT(no))
# -I${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($withval)
AC_DEFINE(WITH_SGI_DL)
dldir=$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)
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="$LIBS -ldl -ldld"], AC_MSG_RESULT(no))
# checks for library functions
AC_CHECK_FUNCS(alarm chown clock dlopen execv flock fork \
fsync fdatasync ftime ftruncate \
gethostname_r getpeername getpgrp getpid getpwent gettimeofday getwd \
kill link lstat mkfifo mktime nice pause plock pthread_init putenv readlink \
select setgid setlocale setuid setsid setpgid setpgrp setvbuf \
sigaction siginterrupt sigrelse strftime strptime symlink \
tcgetpgrp tcsetpgrp timegm times truncate uname waitpid)
# check for long file support functions
AC_CHECK_FUNCS(fseek64 fseeko fstatvfs ftell64 ftello statvfs)
AC_REPLACE_FUNCS(dup2 getcwd strdup strerror memmove)
AC_CHECK_FUNC(getpgrp, AC_TRY_COMPILE([#include <unistd.h>], [getpgrp(0);], AC_DEFINE(GETPGRP_HAVE_ARG)))
AC_CHECK_FUNC(setpgrp, AC_TRY_COMPILE([#include <unistd.h>], [setpgrp(0,0);], AC_DEFINE(SETPGRP_HAVE_ARG)))
AC_CHECK_FUNC(gettimeofday, AC_TRY_COMPILE([#include <sys/time.h>], [gettimeofday((struct timeval*)0,(struct timezone*)0);], ,AC_DEFINE(GETTIMEOFDAY_NO_TZ)))
# checks for structures
AC_HEADER_TIME
AC_STRUCT_TM
AC_STRUCT_TIMEZONE
AC_MSG_CHECKING(for time.h that defines altzone)
AC_CACHE_VAL(ac_cv_header_time_altzone,
[AC_TRY_COMPILE([#include <time.h>], [return altzone;],
ac_cv_header_time_altzone=yes,
ac_cv_header_time_altzone=no)])
AC_MSG_RESULT($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
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)
# 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])
# 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 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
# generate output files
AC_OUTPUT(Makefile \
Objects/Makefile \
Parser/Makefile \
Python/Makefile \
Modules/Makefile.pre \
Modules/Setup.thread)
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