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 $MACHDEP in '') MACHDEP="unknown";; esac fi # # SGI compilers allow the specification of the both the ABI and the # ISA on the command line. 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The MACHDEP # variable is also adjusted. # AC_SUBST(SGI_ABI) if test ! -z "$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 $have_long_long = yes ; then AC_CHECK_SIZEOF(long long) fi # Hmph. AC_CHECK_SIZEOF() doesn't include . AC_MSG_CHECKING(size of off_t) AC_CACHE_VAL(ac_cv_sizeof_off_t, [AC_TRY_RUN([#include #include main() { FILE *f=fopen("conftestval", "w"); if (!f) exit(1); fprintf(f, "%d\n", sizeof(off_t)); exit(0); }], ac_cv_sizeof_off_t=`cat conftestval`, ac_cv_sizeof_off_t=0) ]) AC_MSG_RESULT($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 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="$LIBS -ldl -ldld"], AC_MSG_RESULT(no)) # checks for library functions AC_CHECK_FUNCS(alarm chown clock dlopen execv flock fork \ fsync fdatasync ftime ftruncate \ gethostbyname_r getpeername getpgrp getpid getpwent gettimeofday getwd \ kill link lstat mkfifo mktime nice pause plock pthread_init putenv readlink \ select setgid setlocale setuid setsid setpgid setpgrp setvbuf \ sigaction siginterrupt sigrelse strftime strptime symlink \ tcgetpgrp tcsetpgrp timegm times truncate uname waitpid) # check for long file support functions AC_CHECK_FUNCS(fseek64 fseeko fstatvfs ftell64 ftello statvfs) AC_REPLACE_FUNCS(dup2 getcwd strdup strerror memmove) AC_CHECK_FUNC(getpgrp, AC_TRY_COMPILE([#include ], [getpgrp(0);], AC_DEFINE(GETPGRP_HAVE_ARG))) AC_CHECK_FUNC(setpgrp, AC_TRY_COMPILE([#include ], [setpgrp(0,0);], AC_DEFINE(SETPGRP_HAVE_ARG))) AC_CHECK_FUNC(gettimeofday, AC_TRY_COMPILE([#include ], [gettimeofday((struct timeval*)0,(struct timezone*)0);], ,AC_DEFINE(GETTIMEOFDAY_NO_TZ))) # checks for structures AC_HEADER_TIME AC_STRUCT_TM AC_STRUCT_TIMEZONE AC_MSG_CHECKING(for time.h that defines altzone) AC_CACHE_VAL(ac_cv_header_time_altzone, [AC_TRY_COMPILE([#include ], [return altzone;], ac_cv_header_time_altzone=yes, ac_cv_header_time_altzone=no)]) AC_MSG_RESULT($ac_cv_header_time_altzone) if test $ac_cv_header_time_altzone = yes; then AC_DEFINE(HAVE_ALTZONE) fi was_it_defined=no AC_MSG_CHECKING(whether sys/select.h and sys/time.h may both be included) AC_TRY_COMPILE([ #include #include #include ], [;], [AC_DEFINE(SYS_SELECT_WITH_SYS_TIME) was_it_defined=yes]) AC_MSG_RESULT($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($have_prototypes) works=no AC_MSG_CHECKING(for variable length prototypes and stdarg.h) AC_TRY_COMPILE([ #include int foo(int x, ...) { va_list va; va_start(va, x); va_arg(va, int); va_arg(va, char *); va_arg(va, double); return 0; } ], [return foo(10, "", 3.14);], AC_DEFINE(HAVE_STDARG_PROTOTYPES) works=yes) AC_MSG_RESULT($works) if test "$have_prototypes" = yes; then bad_prototypes=no AC_MSG_CHECKING(for bad exec* prototypes) AC_TRY_COMPILE([#include ], [char **t;execve("@",t,t);], , AC_DEFINE(BAD_EXEC_PROTOTYPES) bad_prototypes=yes) AC_MSG_RESULT($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($bad_forward) va_list_is_array=no AC_MSG_CHECKING(whether va_list is an array) AC_TRY_COMPILE([ #ifdef HAVE_STDARG_PROTOTYPES #include #else #include #endif ], [va_list list1, list2; list1 = list2;], , AC_DEFINE(VA_LIST_IS_ARRAY) va_list_is_array=yes) AC_MSG_RESULT($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 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 #ifdef HAVE_STDLIB #include #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)