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AC_MSG_CHECKING(whether $CC accepts -fno-strict-aliasing) ac_save_cc="$CC" CC="$CC -fno-strict-aliasing" AC_TRY_RUN([int main() { return 0; }], ac_cv_no_strict_aliasing_ok=yes, ac_cv_no_strict_aliasing_ok=no, ac_cv_no_strict_aliasing_ok=no) CC="$ac_save_cc" AC_MSG_RESULT($ac_cv_no_strict_aliasing_ok) if test $ac_cv_no_strict_aliasing_ok = yes then BASECFLAGS="$BASECFLAGS -fno-strict-aliasing" fi # if using gcc on alpha, use -mieee to get (near) full IEEE 754 # support. Without this, treatment of subnormals doesn't follow # the standard. case $ac_sys_machine in alpha*) BASECFLAGS="$BASECFLAGS -mieee" ;; esac case $ac_sys_system in SCO_SV*) BASECFLAGS="$BASECFLAGS -m486 -DSCO5" ;; # is there any other compiler on Darwin besides gcc? Darwin*) # -Wno-long-double, -no-cpp-precomp, and -mno-fused-madd # used to be here, but non-Apple gcc doesn't accept them. if test "${enable_universalsdk}"; then UNIVERSAL_ARCH_FLAGS="" if test "$UNIVERSAL_ARCHS" = "32-bit" ; then UNIVERSAL_ARCH_FLAGS="-arch ppc -arch i386" ARCH_RUN_32BIT="" elif test "$UNIVERSAL_ARCHS" = "64-bit" ; then UNIVERSAL_ARCH_FLAGS="-arch ppc64 -arch x86_64" elif test "$UNIVERSAL_ARCHS" = "all" ; then UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch ppc64 -arch x86_64" ARCH_RUN_32BIT="arch -i386 -ppc" else AC_MSG_ERROR([proper usage is --with-universalarch=32-bit|64-bit|all]) fi BASECFLAGS="${UNIVERSAL_ARCH_FLAGS} -isysroot ${UNIVERSALSDK} ${BASECFLAGS}" tgt=`sw_vers -productVersion | sed 's/\(10\.[[0-9]]*\).*/\1/'` if test "${UNIVERSALSDK}" != "/" -a "${tgt}" '>' '10.4' ; then CFLAGS="${UNIVERSAL_ARCH_FLAGS} -isysroot ${UNIVERSALSDK} ${CFLAGS}" fi fi # Calculate the right deployment target for this build. # cur_target=`sw_vers -productVersion | sed 's/\(10\.[[0-9]]*\).*/\1/'` if test ${cur_target} '>' 10.2; then cur_target=10.3 fi if test "${UNIVERSAL_ARCHS}" = "all"; then # Ensure that the default platform for a 4-way # universal build is OSX 10.5, that's the first # OS release where 4-way builds make sense. cur_target='10.5' fi CONFIGURE_MACOSX_DEPLOYMENT_TARGET=${MACOSX_DEPLOYMENT_TARGET-${cur_target}} # Make sure that MACOSX_DEPLOYMENT_TARGET is set in the # environment with a value that is the same as what we'll use # in the Makefile to ensure that we'll get the same compiler # environment during configure and build time. MACOSX_DEPLOYMENT_TARGET="$CONFIGURE_MACOSX_DEPLOYMENT_TARGET" export MACOSX_DEPLOYMENT_TARGET EXPORT_MACOSX_DEPLOYMENT_TARGET='' ;; OSF*) BASECFLAGS="$BASECFLAGS -mieee" ;; esac ;; *) case $ac_sys_system in OpenUNIX*|UnixWare*) BASECFLAGS="$BASECFLAGS -K pentium,host,inline,loop_unroll,alloca " ;; OSF*) BASECFLAGS="$BASECFLAGS -ieee -std" ;; SCO_SV*) BASECFLAGS="$BASECFLAGS -belf -Ki486 -DSCO5" ;; esac ;; esac if test "$Py_DEBUG" = 'true'; then : else OPT="-DNDEBUG $OPT" fi if test "$ac_arch_flags" then BASECFLAGS="$BASECFLAGS $ac_arch_flags" fi # disable check for icc since it seems to pass, but generates a warning if test "$CC" = icc then ac_cv_opt_olimit_ok=no fi AC_MSG_CHECKING(whether $CC accepts -OPT:Olimit=0) AC_CACHE_VAL(ac_cv_opt_olimit_ok, [ac_save_cc="$CC" CC="$CC -OPT:Olimit=0" AC_TRY_RUN([int main() { return 0; }], ac_cv_opt_olimit_ok=yes, ac_cv_opt_olimit_ok=no, ac_cv_opt_olimit_ok=no) CC="$ac_save_cc"]) AC_MSG_RESULT($ac_cv_opt_olimit_ok) if test $ac_cv_opt_olimit_ok = yes; then case $ac_sys_system in # XXX is this branch needed? On MacOSX 10.2.2 the result of the # olimit_ok test is "no". Is it "yes" in some other Darwin-esque # environment? Darwin*) ;; *) BASECFLAGS="$BASECFLAGS -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="$CC -Olimit 1500" AC_TRY_RUN([int main() { return 0; }], ac_cv_olimit_ok=yes, ac_cv_olimit_ok=no, ac_cv_olimit_ok=no) CC="$ac_save_cc"]) AC_MSG_RESULT($ac_cv_olimit_ok) if test $ac_cv_olimit_ok = yes; then BASECFLAGS="$BASECFLAGS -Olimit 1500" fi fi # Check whether GCC supports PyArg_ParseTuple format if test "$GCC" = "yes" then AC_MSG_CHECKING(whether gcc supports ParseTuple __format__) save_CFLAGS=$CFLAGS CFLAGS="$CFLAGS -Werror" AC_TRY_COMPILE([ void f(char*,...)__attribute((format(PyArg_ParseTuple, 1, 2))); ],, AC_DEFINE(HAVE_ATTRIBUTE_FORMAT_PARSETUPLE, 1, [Define if GCC supports __attribute__((format(PyArg_ParseTuple, 2, 3)))]) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) CFLAGS=$save_CFLAGS fi # On some compilers, pthreads are available without further options # (e.g. MacOS X). On some of these systems, the compiler will not # complain if unaccepted options are passed (e.g. gcc on Mac OS X). # So we have to see first whether pthreads are available without # options before we can check whether -Kpthread improves anything. AC_MSG_CHECKING(whether pthreads are available without options) AC_CACHE_VAL(ac_cv_pthread_is_default, [AC_TRY_RUN([ #include void* routine(void* p){return NULL;} int main(){ pthread_t p; if(pthread_create(&p,NULL,routine,NULL)!=0) return 1; (void)pthread_detach(p); return 0; } ], [ ac_cv_pthread_is_default=yes ac_cv_kthread=no ac_cv_pthread=no ], ac_cv_pthread_is_default=no, ac_cv_pthread_is_default=no) ]) AC_MSG_RESULT($ac_cv_pthread_is_default) if test $ac_cv_pthread_is_default = yes then ac_cv_kpthread=no else # -Kpthread, if available, provides the right #defines # and linker options to make pthread_create available # Some compilers won't report that they do not support -Kpthread, # so we need to run a program to see whether it really made the # function available. AC_MSG_CHECKING(whether $CC accepts -Kpthread) AC_CACHE_VAL(ac_cv_kpthread, [ac_save_cc="$CC" CC="$CC -Kpthread" AC_TRY_RUN([ #include void* routine(void* p){return NULL;} int main(){ pthread_t p; if(pthread_create(&p,NULL,routine,NULL)!=0) return 1; (void)pthread_detach(p); return 0; } ], ac_cv_kpthread=yes, ac_cv_kpthread=no, ac_cv_kpthread=no) CC="$ac_save_cc"]) AC_MSG_RESULT($ac_cv_kpthread) fi if test $ac_cv_kpthread = no -a $ac_cv_pthread_is_default = no then # -Kthread, if available, provides the right #defines # and linker options to make pthread_create available # Some compilers won't report that they do not support -Kthread, # so we need to run a program to see whether it really made the # function available. AC_MSG_CHECKING(whether $CC accepts -Kthread) AC_CACHE_VAL(ac_cv_kthread, [ac_save_cc="$CC" CC="$CC -Kthread" AC_TRY_RUN([ #include void* routine(void* p){return NULL;} int main(){ pthread_t p; if(pthread_create(&p,NULL,routine,NULL)!=0) return 1; (void)pthread_detach(p); return 0; } ], ac_cv_kthread=yes, ac_cv_kthread=no, ac_cv_kthread=no) CC="$ac_save_cc"]) AC_MSG_RESULT($ac_cv_kthread) fi if test $ac_cv_kthread = no -a $ac_cv_pthread_is_default = no then # -pthread, if available, provides the right #defines # and linker options to make pthread_create available # Some compilers won't report that they do not support -pthread, # so we need to run a program to see whether it really made the # function available. AC_MSG_CHECKING(whether $CC accepts -pthread) AC_CACHE_VAL(ac_cv_thread, [ac_save_cc="$CC" CC="$CC -pthread" AC_TRY_RUN([ #include void* routine(void* p){return NULL;} int main(){ pthread_t p; if(pthread_create(&p,NULL,routine,NULL)!=0) return 1; (void)pthread_detach(p); return 0; } ], ac_cv_pthread=yes, ac_cv_pthread=no, ac_cv_pthread=no) CC="$ac_save_cc"]) AC_MSG_RESULT($ac_cv_pthread) fi # If we have set a CC compiler flag for thread support then # check if it works for CXX, too. ac_cv_cxx_thread=no if test ! -z "$CXX" then AC_MSG_CHECKING(whether $CXX also accepts flags for thread support) ac_save_cxx="$CXX" if test "$ac_cv_kpthread" = "yes" then CXX="$CXX -Kpthread" ac_cv_cxx_thread=yes elif test "$ac_cv_kthread" = "yes" then CXX="$CXX -Kthread" ac_cv_cxx_thread=yes elif test "$ac_cv_pthread" = "yes" then CXX="$CXX -pthread" ac_cv_cxx_thread=yes fi if test $ac_cv_cxx_thread = yes then echo 'void foo();int main(){foo();}void foo(){}' > conftest.$ac_ext $CXX -c conftest.$ac_ext 2>&5 if $CXX -o conftest$ac_exeext conftest.$ac_objext 2>&5 \ && test -s conftest$ac_exeext && ./conftest$ac_exeext then ac_cv_cxx_thread=yes else ac_cv_cxx_thread=no fi rm -fr conftest* fi AC_MSG_RESULT($ac_cv_cxx_thread) fi CXX="$ac_save_cxx" dnl # check for ANSI or K&R ("traditional") preprocessor dnl AC_MSG_CHECKING(for C preprocessor type) dnl AC_TRY_COMPILE([ dnl #define spam(name, doc) {#name, &name, #name "() -- " doc} dnl int foo; dnl struct {char *name; int *addr; char *doc;} desc = spam(foo, "something"); dnl ], [;], cpp_type=ansi, AC_DEFINE(HAVE_OLD_CPP) cpp_type=traditional) dnl AC_MSG_RESULT($cpp_type) # checks for header files AC_HEADER_STDC AC_CHECK_HEADERS(asm/types.h conio.h curses.h direct.h dlfcn.h errno.h \ fcntl.h grp.h \ ieeefp.h io.h langinfo.h libintl.h ncurses.h poll.h process.h pthread.h \ shadow.h signal.h stdint.h stropts.h termios.h thread.h \ unistd.h utime.h \ sys/audioio.h sys/bsdtty.h sys/epoll.h sys/event.h sys/file.h sys/loadavg.h \ sys/lock.h sys/mkdev.h sys/modem.h \ sys/param.h sys/poll.h sys/select.h sys/socket.h sys/statvfs.h sys/stat.h \ sys/termio.h sys/time.h \ sys/times.h sys/types.h sys/un.h sys/utsname.h sys/wait.h pty.h libutil.h \ sys/resource.h netpacket/packet.h sysexits.h bluetooth.h \ bluetooth/bluetooth.h linux/tipc.h) AC_HEADER_DIRENT AC_HEADER_MAJOR # On Solaris, term.h requires curses.h AC_CHECK_HEADERS(term.h,,,[ #ifdef HAVE_CURSES_H #include #endif ]) # On Linux, netlink.h requires asm/types.h AC_CHECK_HEADERS(linux/netlink.h,,,[ #ifdef HAVE_ASM_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif ]) # 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, [Define to 'long' if doesn't define.]) ]) AC_MSG_RESULT($was_it_defined) # Check whether using makedev requires defining _OSF_SOURCE AC_MSG_CHECKING(for makedev) AC_TRY_LINK([#include ], [ makedev(0, 0) ], ac_cv_has_makedev=yes, ac_cv_has_makedev=no) if test "$ac_cv_has_makedev" = "no"; then # we didn't link, try if _OSF_SOURCE will allow us to link AC_TRY_LINK([ #define _OSF_SOURCE 1 #include ], [ makedev(0, 0) ], ac_cv_has_makedev=yes, ac_cv_has_makedev=no) if test "$ac_cv_has_makedev" = "yes"; then AC_DEFINE(_OSF_SOURCE, 1, [Define _OSF_SOURCE to get the makedev macro.]) fi fi AC_MSG_RESULT($ac_cv_has_makedev) if test "$ac_cv_has_makedev" = "yes"; then AC_DEFINE(HAVE_MAKEDEV, 1, [Define this if you have the makedev macro.]) fi # Enabling LFS on Solaris (2.6 to 9) with gcc 2.95 triggers a bug in # the system headers: If _XOPEN_SOURCE and _LARGEFILE_SOURCE are # defined, but the compiler does not support pragma redefine_extname, # and _LARGEFILE64_SOURCE is not defined, the headers refer to 64-bit # structures (such as rlimit64) without declaring them. As a # work-around, disable LFS on such configurations use_lfs=yes AC_MSG_CHECKING(Solaris LFS bug) AC_TRY_COMPILE([ #define _LARGEFILE_SOURCE 1 #define _FILE_OFFSET_BITS 64 #include ],struct rlimit foo;,sol_lfs_bug=no,sol_lfs_bug=yes) AC_MSG_RESULT($sol_lfs_bug) if test "$sol_lfs_bug" = "yes"; then use_lfs=no fi if test "$use_lfs" = "yes"; then # Two defines needed to enable largefile support on various platforms # These may affect some typedefs AC_DEFINE(_LARGEFILE_SOURCE, 1, [This must be defined on some systems to enable large file support.]) AC_DEFINE(_FILE_OFFSET_BITS, 64, [This must be set to 64 on some systems to enable large file support.]) fi # 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 AC_TYPE_UINT32_T AC_TYPE_UINT64_T AC_TYPE_INT32_T AC_TYPE_INT64_T AC_CHECK_TYPE(ssize_t, AC_DEFINE(HAVE_SSIZE_T, 1, Define if your compiler provides ssize_t),,) # Sizes of various common basic types # ANSI C requires sizeof(char) == 1, so no need to check it AC_CHECK_SIZEOF(int, 4) AC_CHECK_SIZEOF(long, 4) AC_CHECK_SIZEOF(void *, 4) AC_CHECK_SIZEOF(short, 2) AC_CHECK_SIZEOF(float, 4) AC_CHECK_SIZEOF(double, 8) AC_CHECK_SIZEOF(fpos_t, 4) AC_CHECK_SIZEOF(size_t, 4) AC_CHECK_SIZEOF(pid_t, 4) 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, 1, [Define this if you have the type long long.]) have_long_long=yes ]) AC_MSG_RESULT($have_long_long) if test "$have_long_long" = yes ; then AC_CHECK_SIZEOF(long long, 8) fi AC_MSG_CHECKING(for long double support) have_long_double=no AC_TRY_COMPILE([], [long double x; x = (long double)0.;], [ AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define this if you have the type long double.]) have_long_double=yes ]) AC_MSG_RESULT($have_long_double) if test "$have_long_double" = yes ; then AC_CHECK_SIZEOF(long double, 12) fi AC_MSG_CHECKING(for _Bool support) have_c99_bool=no AC_TRY_COMPILE([], [_Bool x; x = (_Bool)0;], [ AC_DEFINE(HAVE_C99_BOOL, 1, [Define this if you have the type _Bool.]) have_c99_bool=yes ]) AC_MSG_RESULT($have_c99_bool) if test "$have_c99_bool" = yes ; then AC_CHECK_SIZEOF(_Bool, 1) fi AC_CHECK_TYPES(uintptr_t, [AC_CHECK_SIZEOF(uintptr_t, 4)], [], [#ifdef HAVE_STDINT_H #include #endif]) # 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_cv_sizeof_off_t=4) ]) AC_MSG_RESULT($ac_cv_sizeof_off_t) AC_DEFINE_UNQUOTED(SIZEOF_OFF_T, $ac_cv_sizeof_off_t, [The number of bytes in an off_t.]) AC_MSG_CHECKING(whether to enable large file support) if test "$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, 1, [Defined to enable large file support when an off_t is bigger than a long and long long is available and at least as big as an off_t. You may need to add some flags for configuration and compilation to enable this mode. (For Solaris and Linux, the necessary defines are already defined.)]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi # AC_CHECK_SIZEOF() doesn't include . AC_MSG_CHECKING(size of time_t) AC_CACHE_VAL(ac_cv_sizeof_time_t, [AC_TRY_RUN([#include #include 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_cv_sizeof_time_t=4) ]) AC_MSG_RESULT($ac_cv_sizeof_time_t) AC_DEFINE_UNQUOTED(SIZEOF_TIME_T, $ac_cv_sizeof_time_t, [The number of bytes in a time_t.]) # if have pthread_t then define SIZEOF_PTHREAD_T ac_save_cc="$CC" if test "$ac_cv_kpthread" = "yes" then CC="$CC -Kpthread" elif test "$ac_cv_kthread" = "yes" then CC="$CC -Kthread" elif test "$ac_cv_pthread" = "yes" then CC="$CC -pthread" fi AC_MSG_CHECKING(for pthread_t) have_pthread_t=no AC_TRY_COMPILE([#include ], [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 . AC_MSG_CHECKING(size of pthread_t) AC_CACHE_VAL(ac_cv_sizeof_pthread_t, [AC_TRY_RUN([#include #include 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_cv_sizeof_pthread_t=4) ]) AC_MSG_RESULT($ac_cv_sizeof_pthread_t) AC_DEFINE_UNQUOTED(SIZEOF_PTHREAD_T, $ac_cv_sizeof_pthread_t, [The number of bytes in a pthread_t.]) fi CC="$ac_save_cc" AC_MSG_CHECKING(for --enable-toolbox-glue) AC_ARG_ENABLE(toolbox-glue, AC_HELP_STRING(--enable-toolbox-glue, disable/enable MacOSX glue code for extensions)) if test -z "$enable_toolbox_glue" then case $ac_sys_system/$ac_sys_release in Darwin/*) enable_toolbox_glue="yes";; *) enable_toolbox_glue="no";; esac fi case "$enable_toolbox_glue" in yes) extra_machdep_objs="Python/mactoolboxglue.o" extra_undefs="-u _PyMac_Error" AC_DEFINE(USE_TOOLBOX_OBJECT_GLUE, 1, [Define if you want to use MacPython modules on MacOSX in unix-Python.]) ;; *) extra_machdep_objs="" extra_undefs="" ;; esac AC_MSG_RESULT($enable_toolbox_glue) AC_SUBST(OTHER_LIBTOOL_OPT) case $ac_sys_system/$ac_sys_release in Darwin/@<:@01567@:>@\..*) OTHER_LIBTOOL_OPT="-prebind -seg1addr 0x10000000" ;; Darwin/*) OTHER_LIBTOOL_OPT="" ;; esac AC_SUBST(LIBTOOL_CRUFT) case $ac_sys_system/$ac_sys_release in Darwin/@<:@01567@:>@\..*) LIBTOOL_CRUFT="-framework System -lcc_dynamic" if test "${enable_universalsdk}"; then : else LIBTOOL_CRUFT="${LIBTOOL_CRUFT} -arch_only `arch`" fi LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -install_name $(PYTHONFRAMEWORKINSTALLDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)' LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -compatibility_version $(VERSION) -current_version $(VERSION)';; Darwin/*) gcc_version=`gcc -v 2>&1 | grep version | cut -d\ -f3` if test ${gcc_version} '<' 4.0 then LIBTOOL_CRUFT="-lcc_dynamic" else LIBTOOL_CRUFT="" fi LIBTOOL_CRUFT=$LIBTOOL_CRUFT" -lSystem -lSystemStubs -arch_only `arch`" LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -install_name $(PYTHONFRAMEWORKINSTALLDIR)/Versions/$(VERSION)/$(PYTHONFRAMEWORK)' LIBTOOL_CRUFT=$LIBTOOL_CRUFT' -compatibility_version $(VERSION) -current_version $(VERSION)';; esac AC_MSG_CHECKING(for --enable-framework) if test "$enable_framework" then BASECFLAGS="$BASECFLAGS -fno-common -dynamic" # -F. is needed to allow linking to the framework while # in the build location. AC_DEFINE(WITH_NEXT_FRAMEWORK, 1, [Define if you want to produce an OpenStep/Rhapsody framework (shared library plus accessory files).]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi AC_MSG_CHECKING(for dyld) case $ac_sys_system/$ac_sys_release in Darwin/*) AC_DEFINE(WITH_DYLD, 1, [Define if you want to use the new-style (Openstep, Rhapsody, MacOS) dynamic linker (dyld) instead of the old-style (NextStep) dynamic linker (rld). Dyld is necessary to support frameworks.]) AC_MSG_RESULT(always on for Darwin) ;; *) AC_MSG_RESULT(no) ;; esac # Set info about shared libraries. AC_SUBST(SO) AC_SUBST(LDSHARED) AC_SUBST(BLDSHARED) AC_SUBST(CCSHARED) AC_SUBST(LINKFORSHARED) # SO is the extension of shared libraries `(including the dot!) # -- usually .so, .sl on HP-UX, .dll on Cygwin AC_MSG_CHECKING(SO) if test -z "$SO" then case $ac_sys_system in hp*|HP*) case `uname -m` in ia64) SO=.so;; *) SO=.sl;; esac ;; CYGWIN*) SO=.dll;; *) SO=.so;; esac else # this might also be a termcap variable, see #610332 echo echo '=====================================================================' echo '+ +' echo '+ WARNING: You have set SO in your environment. +' echo '+ Do you really mean to change the extension for shared libraries? +' echo '+ Continuing in 10 seconds to let you to ponder. +' echo '+ +' echo '=====================================================================' sleep 10 fi AC_MSG_RESULT($SO) AC_DEFINE_UNQUOTED(SHLIB_EXT, "$SO", [Define this to be extension of shared libraries (including the dot!).]) # LDSHARED is the ld *command* used to create shared library # -- "cc -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.) 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AC_MSG_CHECKING(for chroot) AC_TRY_COMPILE([#include ], void *x=chroot, AC_DEFINE(HAVE_CHROOT, 1, Define if you have the 'chroot' function.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) AC_MSG_CHECKING(for link) AC_TRY_COMPILE([#include ], void *x=link, AC_DEFINE(HAVE_LINK, 1, Define if you have the 'link' function.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) AC_MSG_CHECKING(for symlink) AC_TRY_COMPILE([#include ], void *x=symlink, AC_DEFINE(HAVE_SYMLINK, 1, Define if you have the 'symlink' function.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) AC_MSG_CHECKING(for fchdir) AC_TRY_COMPILE([#include ], void *x=fchdir, AC_DEFINE(HAVE_FCHDIR, 1, Define if you have the 'fchdir' function.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) AC_MSG_CHECKING(for fsync) AC_TRY_COMPILE([#include ], void *x=fsync, AC_DEFINE(HAVE_FSYNC, 1, Define if you have the 'fsync' function.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) AC_MSG_CHECKING(for fdatasync) AC_TRY_COMPILE([#include ], void *x=fdatasync, AC_DEFINE(HAVE_FDATASYNC, 1, Define if you have the 'fdatasync' function.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) AC_MSG_CHECKING(for epoll) AC_TRY_COMPILE([#include ], void *x=epoll_create, AC_DEFINE(HAVE_EPOLL, 1, Define if you have the 'epoll' functions.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) AC_MSG_CHECKING(for kqueue) AC_TRY_COMPILE([ #include #include ], int x=kqueue(), AC_DEFINE(HAVE_KQUEUE, 1, Define if you have the 'kqueue' functions.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) # On some systems (eg. FreeBSD 5), we would find a definition of the # functions ctermid_r, setgroups in the library, but no prototype # (e.g. because we use _XOPEN_SOURCE). See whether we can take their # address to avoid compiler warnings and potential miscompilations # because of the missing prototypes. AC_MSG_CHECKING(for ctermid_r) AC_TRY_COMPILE([ #include "confdefs.h" #include ], void* p = ctermid_r, AC_DEFINE(HAVE_CTERMID_R, 1, Define if you have the 'ctermid_r' function.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) AC_MSG_CHECKING(for flock) AC_TRY_COMPILE([ #include "confdefs.h" #include ], void* p = flock, AC_DEFINE(HAVE_FLOCK, 1, Define if you have the 'flock' function.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) AC_MSG_CHECKING(for getpagesize) AC_TRY_COMPILE([ #include "confdefs.h" #include ], void* p = getpagesize, AC_DEFINE(HAVE_GETPAGESIZE, 1, Define if you have the 'getpagesize' function.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) dnl check for true AC_CHECK_PROGS(TRUE, true, /bin/true) dnl On some systems (e.g. Solaris 9), hstrerror and inet_aton are in -lresolv dnl On others, they are in the C library, so we to take no action AC_CHECK_LIB(c, inet_aton, [$ac_cv_prog_TRUE], AC_CHECK_LIB(resolv, inet_aton) ) # On Tru64, chflags seems to be present, but calling it will # exit Python AC_MSG_CHECKING(for chflags) AC_TRY_RUN([ #include #include int main(int argc, char*argv[]) { if(chflags(argv[0], 0) != 0) return 1; return 0; } ],AC_DEFINE(HAVE_CHFLAGS, 1, Define to 1 if you have the `chflags' function.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) AC_MSG_CHECKING(for lchflags) AC_TRY_RUN([ #include #include int main(int argc, char*argv[]) { if(lchflags(argv[0], 0) != 0) return 1; return 0; } ],AC_DEFINE(HAVE_LCHFLAGS, 1, Define to 1 if you have the `lchflags' function.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) dnl Check if system zlib has *Copy() functions dnl dnl On MacOSX the linker will search for dylibs on the entire linker path dnl before searching for static libraries. setup.py adds -Wl,-search_paths_first dnl to revert to a more traditional unix behaviour and make it possible to dnl override the system libz with a local static library of libz. Temporarily dnl add that flag to our CFLAGS as well to ensure that we check the version dnl of libz that will be used by setup.py. dnl The -L/usr/local/lib is needed as wel to get the same compilation dnl environment as setup.py (and leaving it out can cause configure to use the dnl wrong version of the library) case $ac_sys_system/$ac_sys_release in Darwin/*) _CUR_CFLAGS="${CFLAGS}" _CUR_LDFLAGS="${LDFLAGS}" CFLAGS="${CFLAGS} -Wl,-search_paths_first" LDFLAGS="${LDFLAGS} -Wl,-search_paths_first -L/usr/local/lib" ;; esac AC_CHECK_LIB(z, inflateCopy, AC_DEFINE(HAVE_ZLIB_COPY, 1, Define if the zlib library has inflateCopy)) case $ac_sys_system/$ac_sys_release in Darwin/*) CFLAGS="${_CUR_CFLAGS}" LDFLAGS="${_CUR_LDFLAGS}" ;; esac AC_MSG_CHECKING(for hstrerror) AC_TRY_LINK([ #include "confdefs.h" #include ], void* p = hstrerror; hstrerror(0), AC_DEFINE(HAVE_HSTRERROR, 1, Define if you have the 'hstrerror' function.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) AC_MSG_CHECKING(for inet_aton) AC_TRY_LINK([ #include "confdefs.h" #include #include #include #include ], void* p = inet_aton;inet_aton(0,0), AC_DEFINE(HAVE_INET_ATON, 1, Define if you have the 'inet_aton' function.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) AC_MSG_CHECKING(for inet_pton) AC_TRY_COMPILE([ #include "confdefs.h" #include #include #include #include ], void* p = inet_pton, AC_DEFINE(HAVE_INET_PTON, 1, Define if you have the 'inet_pton' function.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) # On some systems, setgroups is in unistd.h, on others, in grp.h AC_MSG_CHECKING(for setgroups) AC_TRY_COMPILE([ #include "confdefs.h" #include #ifdef HAVE_GRP_H #include #endif ], void* p = setgroups, AC_DEFINE(HAVE_SETGROUPS, 1, Define if you have the 'setgroups' function.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) # check for openpty and forkpty AC_CHECK_FUNCS(openpty,, AC_CHECK_LIB(util,openpty, [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lutil"], AC_CHECK_LIB(bsd,openpty, [AC_DEFINE(HAVE_OPENPTY) LIBS="$LIBS -lbsd"]) ) ) AC_CHECK_FUNCS(forkpty,, AC_CHECK_LIB(util,forkpty, [AC_DEFINE(HAVE_FORKPTY) LIBS="$LIBS -lutil"], AC_CHECK_LIB(bsd,forkpty, [AC_DEFINE(HAVE_FORKPTY) LIBS="$LIBS -lbsd"]) ) ) # Stuff for expat. AC_CHECK_FUNCS(memmove) # check for long file support functions AC_CHECK_FUNCS(fseek64 fseeko fstatvfs ftell64 ftello statvfs) AC_REPLACE_FUNCS(dup2 getcwd strdup) AC_CHECK_FUNCS(getpgrp, AC_TRY_COMPILE([#include ], [getpgrp(0);], AC_DEFINE(GETPGRP_HAVE_ARG, 1, [Define if getpgrp() must be called as getpgrp(0).]) ) ) AC_CHECK_FUNCS(setpgrp, AC_TRY_COMPILE([#include ], [setpgrp(0,0);], AC_DEFINE(SETPGRP_HAVE_ARG, 1, [Define if setpgrp() must be called as setpgrp(0, 0).]) ) ) AC_CHECK_FUNCS(gettimeofday, AC_TRY_COMPILE([#include ], [gettimeofday((struct timeval*)0,(struct timezone*)0);], , AC_DEFINE(GETTIMEOFDAY_NO_TZ, 1, [Define if gettimeofday() does not have second (timezone) argument This is the case on Motorola V4 (R40V4.2)]) ) ) AC_MSG_CHECKING(for major, minor, and makedev) AC_TRY_LINK([ #if defined(MAJOR_IN_MKDEV) #include #elif defined(MAJOR_IN_SYSMACROS) #include #else #include #endif ],[ makedev(major(0),minor(0)); ],[ AC_DEFINE(HAVE_DEVICE_MACROS, 1, [Define to 1 if you have the device macros.]) AC_MSG_RESULT(yes) ],[ AC_MSG_RESULT(no) ]) # On OSF/1 V5.1, getaddrinfo is available, but a define # for [no]getaddrinfo in netdb.h. AC_MSG_CHECKING(for getaddrinfo) AC_TRY_LINK([ #include #include #include #include ],[ getaddrinfo(NULL, NULL, NULL, NULL); ], [ AC_MSG_RESULT(yes) AC_MSG_CHECKING(getaddrinfo bug) AC_TRY_RUN([ #include #include #include #include #include main() { int passive, gaierr, inet4 = 0, inet6 = 0; struct addrinfo hints, *ai, *aitop; char straddr[INET6_ADDRSTRLEN], strport[16]; for (passive = 0; passive <= 1; passive++) { memset(&hints, 0, sizeof(hints)); hints.ai_family = AF_UNSPEC; hints.ai_flags = passive ? AI_PASSIVE : 0; hints.ai_socktype = SOCK_STREAM; hints.ai_protocol = IPPROTO_TCP; if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) { (void)gai_strerror(gaierr); goto bad; } for (ai = aitop; ai; ai = ai->ai_next) { if (ai->ai_addr == NULL || ai->ai_addrlen == 0 || getnameinfo(ai->ai_addr, ai->ai_addrlen, straddr, sizeof(straddr), strport, sizeof(strport), NI_NUMERICHOST|NI_NUMERICSERV) != 0) { goto bad; } switch (ai->ai_family) { case AF_INET: if (strcmp(strport, "54321") != 0) { goto bad; } if (passive) { if (strcmp(straddr, "0.0.0.0") != 0) { goto bad; } } else { if (strcmp(straddr, "127.0.0.1") != 0) { goto bad; } } inet4++; break; case AF_INET6: if (strcmp(strport, "54321") != 0) { goto bad; } if (passive) { if (strcmp(straddr, "::") != 0) { goto bad; } } else { if (strcmp(straddr, "::1") != 0) { goto bad; } } inet6++; break; case AF_UNSPEC: goto bad; break; default: /* another family support? */ break; } } } if (!(inet4 == 0 || inet4 == 2)) goto bad; if (!(inet6 == 0 || inet6 == 2)) goto bad; if (aitop) freeaddrinfo(aitop); exit(0); bad: if (aitop) freeaddrinfo(aitop); exit(1); } ], AC_MSG_RESULT(good) buggygetaddrinfo=no, AC_MSG_RESULT(buggy) buggygetaddrinfo=yes, AC_MSG_RESULT(buggy) buggygetaddrinfo=yes)], [ AC_MSG_RESULT(no) buggygetaddrinfo=yes ]) if test "$buggygetaddrinfo" = "yes"; then if test "$ipv6" = "yes"; then echo 'Fatal: You must get working getaddrinfo() function.' echo ' or you can specify "--disable-ipv6"'. exit 1 fi else AC_DEFINE(HAVE_GETADDRINFO, 1, [Define if you have the getaddrinfo function.]) fi AC_CHECK_FUNCS(getnameinfo) # checks for structures AC_HEADER_TIME AC_STRUCT_TM AC_STRUCT_TIMEZONE AC_CHECK_MEMBERS([struct stat.st_rdev]) AC_CHECK_MEMBERS([struct stat.st_blksize]) AC_CHECK_MEMBERS([struct stat.st_flags]) AC_CHECK_MEMBERS([struct stat.st_gen]) AC_CHECK_MEMBERS([struct stat.st_birthtime]) AC_STRUCT_ST_BLOCKS 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 $ac_cv_header_time_altzone = yes; then AC_DEFINE(HAVE_ALTZONE, 1, [Define this if your time.h defines altzone.]) fi was_it_defined=no AC_MSG_CHECKING(whether sys/select.h and sys/time.h may both be included) AC_TRY_COMPILE([ #include #include #include ], [;], [ AC_DEFINE(SYS_SELECT_WITH_SYS_TIME, 1, [Define if you can safely include both and (which you can't on SCO ODT 3.0).]) was_it_defined=yes ]) AC_MSG_RESULT($was_it_defined) AC_MSG_CHECKING(for addrinfo) AC_CACHE_VAL(ac_cv_struct_addrinfo, AC_TRY_COMPILE([ # include ], [struct addrinfo a], ac_cv_struct_addrinfo=yes, ac_cv_struct_addrinfo=no)) AC_MSG_RESULT($ac_cv_struct_addrinfo) if test $ac_cv_struct_addrinfo = yes; then AC_DEFINE(HAVE_ADDRINFO, 1, [struct addrinfo (netdb.h)]) fi AC_MSG_CHECKING(for sockaddr_storage) AC_CACHE_VAL(ac_cv_struct_sockaddr_storage, AC_TRY_COMPILE([ # include # include ], [struct sockaddr_storage s], ac_cv_struct_sockaddr_storage=yes, ac_cv_struct_sockaddr_storage=no)) AC_MSG_RESULT($ac_cv_struct_sockaddr_storage) if test $ac_cv_struct_sockaddr_storage = yes; then AC_DEFINE(HAVE_SOCKADDR_STORAGE, 1, [struct sockaddr_storage (sys/socket.h)]) fi # checks for compiler characteristics AC_C_CHAR_UNSIGNED AC_C_CONST works=no AC_MSG_CHECKING(for working volatile) AC_TRY_COMPILE([],[volatile int x; x = 0;], works=yes, AC_DEFINE(volatile, [], [Define to empty if the keyword does not work.]) ) AC_MSG_RESULT($works) works=no AC_MSG_CHECKING(for working signed char) AC_TRY_COMPILE([], [signed char c;], works=yes, AC_DEFINE(signed, [], [Define to empty if the keyword does not work.]) ) AC_MSG_RESULT($works) have_prototypes=no AC_MSG_CHECKING(for prototypes) AC_TRY_COMPILE([int foo(int x) { return 0; }], [return foo(10);],[ AC_DEFINE(HAVE_PROTOTYPES, 1, [Define if your compiler supports function prototype]) have_prototypes=yes ]) AC_MSG_RESULT($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, 1, [Define if your compiler supports variable length function prototypes (e.g. void fprintf(FILE *, char *, ...);) *and* ]) works=yes ]) AC_MSG_RESULT($works) # check for socketpair AC_MSG_CHECKING(for socketpair) AC_TRY_COMPILE([ #include #include ], void *x=socketpair, AC_DEFINE(HAVE_SOCKETPAIR, 1, Define if you have the 'socketpair' function.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) # check if sockaddr has sa_len member AC_MSG_CHECKING(if sockaddr has sa_len member) AC_TRY_COMPILE([#include #include ], [struct sockaddr x; x.sa_len = 0;], AC_MSG_RESULT(yes) AC_DEFINE(HAVE_SOCKADDR_SA_LEN, 1, [Define if sockaddr has sa_len member]), AC_MSG_RESULT(no)) va_list_is_array=no AC_MSG_CHECKING(whether va_list is an array) AC_TRY_COMPILE([ #ifdef HAVE_STDARG_PROTOTYPES #include #else #include #endif ], [va_list list1, list2; list1 = list2;], , [ AC_DEFINE(VA_LIST_IS_ARRAY, 1, [Define if a va_list is an array of some kind]) va_list_is_array=yes ]) AC_MSG_RESULT($va_list_is_array) # sigh -- gethostbyname_r is a mess; it can have 3, 5 or 6 arguments :-( AH_TEMPLATE(HAVE_GETHOSTBYNAME_R, [Define this if you have some version of gethostbyname_r()]) 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 $MY_CFLAGS" AC_TRY_COMPILE([ # include ], [ char *name; struct hostent *he, *res; char buffer[2048]; int buflen = 2048; int h_errnop; (void) gethostbyname_r(name, he, buffer, buflen, &res, &h_errnop) ], [ AC_DEFINE(HAVE_GETHOSTBYNAME_R) AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1, [Define this if you have the 6-arg version of gethostbyname_r().]) AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) AC_MSG_CHECKING([gethostbyname_r with 5 args]) AC_TRY_COMPILE([ # include ], [ char *name; struct hostent *he; char buffer[2048]; int buflen = 2048; int h_errnop; (void) gethostbyname_r(name, he, buffer, buflen, &h_errnop) ], [ AC_DEFINE(HAVE_GETHOSTBYNAME_R) AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1, [Define this if you have the 5-arg version of gethostbyname_r().]) AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) AC_MSG_CHECKING([gethostbyname_r with 3 args]) AC_TRY_COMPILE([ # include ], [ char *name; struct hostent *he; struct hostent_data data; (void) gethostbyname_r(name, he, &data); ], [ AC_DEFINE(HAVE_GETHOSTBYNAME_R) AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1, [Define this if you have the 3-arg version of gethostbyname_r().]) AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) ]) ]) ]) CFLAGS=$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, AC_HELP_STRING(--with-fpectl, enable SIGFPE catching), [ if test "$withval" != no then AC_DEFINE(WANT_SIGFPE_HANDLER, 1, [Define if you want SIGFPE handled (see Include/pyfpe.h).]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi], [AC_MSG_RESULT(no)]) # check for --with-libm=... AC_SUBST(LIBM) case $ac_sys_system in Darwin) ;; BeOS) ;; *) LIBM=-lm esac AC_MSG_CHECKING(for --with-libm=STRING) AC_ARG_WITH(libm, AC_HELP_STRING(--with-libm=STRING, math library), [ if test "$withval" = no then LIBM= AC_MSG_RESULT(force LIBM empty) elif test "$withval" != yes then LIBM=$withval AC_MSG_RESULT(set LIBM="$withval") else AC_MSG_ERROR([proper usage is --with-libm=STRING]) fi], [AC_MSG_RESULT(default LIBM="$LIBM")]) # check for --with-libc=... AC_SUBST(LIBC) AC_MSG_CHECKING(for --with-libc=STRING) AC_ARG_WITH(libc, AC_HELP_STRING(--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_MSG_ERROR([proper usage is --with-libc=STRING]) fi], [AC_MSG_RESULT(default LIBC="$LIBC")]) # ************************************ # * Check for mathematical functions * # ************************************ LIBS_SAVE=$LIBS LIBS="$LIBS $LIBM" # Detect whether system arithmetic is subject to x87-style double # rounding issues. The result of this test has little meaning on non # IEEE 754 platforms. On IEEE 754, test should return 1 if rounding # mode is round-to-nearest and double rounding issues are present, and # 0 otherwise. See http://bugs.python.org/issue2937 for more info. AC_MSG_CHECKING(for x87-style double rounding) AC_CACHE_VAL(ac_cv_x87_double_rounding, [ AC_TRY_RUN([ #include #include int main() { volatile double x, y, z; /* 1./(1-2**-53) -> 1+2**-52 (correct), 1.0 (double rounding) */ x = 0.99999999999999989; /* 1-2**-53 */ y = 1./x; if (y != 1.) exit(0); /* 1e16+2.99999 -> 1e16+2. (correct), 1e16+4. (double rounding) */ x = 1e16; y = 2.99999; z = x + y; if (z != 1e16+4.) exit(0); /* both tests show evidence of double rounding */ exit(1); } ], ac_cv_x87_double_rounding=no, ac_cv_x87_double_rounding=yes, ac_cv_x87_double_rounding=no)]) AC_MSG_RESULT($ac_cv_x87_double_rounding) if test "$ac_cv_x87_double_rounding" = yes then AC_DEFINE(X87_DOUBLE_ROUNDING, 1, [Define if arithmetic is subject to x87-style double rounding issue]) fi # On FreeBSD 6.2, it appears that tanh(-0.) returns 0. instead of # -0. on some architectures. AC_MSG_CHECKING(whether tanh preserves the sign of zero) AC_CACHE_VAL(ac_cv_tanh_preserves_zero_sign, [ AC_TRY_RUN([ #include #include int main() { /* return 0 if either negative zeros don't exist on this platform or if negative zeros exist and tanh(-0.) == -0. */ if (atan2(0., -1.) == atan2(-0., -1.) || atan2(tanh(-0.), -1.) == atan2(-0., -1.)) exit(0); else exit(1); } ], ac_cv_tanh_preserves_zero_sign=yes, ac_cv_tanh_preserves_zero_sign=no, ac_cv_tanh_preserves_zero_sign=no)]) AC_MSG_RESULT($ac_cv_tanh_preserves_zero_sign) if test "$ac_cv_tanh_preserves_zero_sign" = yes then AC_DEFINE(TANH_PRESERVES_ZERO_SIGN, 1, [Define if tanh(-0.) is -0., or if platform doesn't have signed zeros]) fi AC_CHECK_FUNCS([acosh asinh atanh copysign expm1 finite hypot log1p]) AC_CHECK_DECLS([isinf, isnan, isfinite], [], [], [[#include ]]) LIBS=$LIBS_SAVE # determine what size digit to use for Python's longs AC_MSG_CHECKING([digit size for Python's longs]) AC_ARG_ENABLE(big-digits, AC_HELP_STRING([--enable-big-digits@<:@=BITS@:>@],[use big digits for Python longs [[BITS=30]]]), [case $enable_big_digits in yes) enable_big_digits=30 ;; no) enable_big_digits=15 ;; [15|30]) ;; *) AC_MSG_ERROR([bad value $enable_big_digits for --enable-big-digits; value should be 15 or 30]) ;; esac AC_MSG_RESULT($enable_big_digits) AC_DEFINE_UNQUOTED(PYLONG_BITS_IN_DIGIT, $enable_big_digits, [Define as the preferred size in bits of long digits]) ], [AC_MSG_RESULT(no value specified)]) # check for wchar.h AC_CHECK_HEADER(wchar.h, [ AC_DEFINE(HAVE_WCHAR_H, 1, [Define if the compiler provides a wchar.h header file.]) wchar_h="yes" ], wchar_h="no" ) # determine wchar_t size if test "$wchar_h" = yes then AC_CHECK_SIZEOF(wchar_t, 4, [#include ]) fi AC_MSG_CHECKING(for UCS-4 tcl) have_ucs4_tcl=no AC_TRY_COMPILE([ #include #if TCL_UTF_MAX != 6 # error "NOT UCS4_TCL" #endif], [], [ AC_DEFINE(HAVE_UCS4_TCL, 1, [Define this if you have tcl and TCL_UTF_MAX==6]) have_ucs4_tcl=yes ]) AC_MSG_RESULT($have_ucs4_tcl) # check whether wchar_t is signed or not if test "$wchar_h" = yes then # check whether wchar_t is signed or not AC_MSG_CHECKING(whether wchar_t is signed) AC_CACHE_VAL(ac_cv_wchar_t_signed, [ AC_TRY_RUN([ #include int main() { /* Success: exit code 0 */ exit((((wchar_t) -1) < ((wchar_t) 0)) ? 0 : 1); } ], ac_cv_wchar_t_signed=yes, ac_cv_wchar_t_signed=no, ac_cv_wchar_t_signed=yes)]) AC_MSG_RESULT($ac_cv_wchar_t_signed) fi AC_MSG_CHECKING(what type to use for unicode) dnl quadrigraphs "@<:@" and "@:>@" produce "[" and "]" in the output AC_ARG_ENABLE(unicode, AC_HELP_STRING(--enable-unicode@<:@=ucs@<:@24@:>@@:>@, Enable Unicode strings (default is yes)), [], [enable_unicode=yes]) if test $enable_unicode = yes then # Without any arguments, Py_UNICODE defaults to two-byte mode case "$have_ucs4_tcl" in yes) enable_unicode="ucs4" ;; *) enable_unicode="ucs2" ;; esac fi AH_TEMPLATE(Py_UNICODE_SIZE, [Define as the size of the unicode type.]) case "$enable_unicode" in ucs2) unicode_size="2" AC_DEFINE(Py_UNICODE_SIZE,2) ;; ucs4) unicode_size="4" AC_DEFINE(Py_UNICODE_SIZE,4) ;; esac AH_TEMPLATE(PY_UNICODE_TYPE, [Define as the integral type used for Unicode representation.]) AC_SUBST(UNICODE_OBJS) if test "$enable_unicode" = "no" then UNICODE_OBJS="" AC_MSG_RESULT(not used) else UNICODE_OBJS="Objects/unicodeobject.o Objects/unicodectype.o" AC_DEFINE(Py_USING_UNICODE, 1, [Define if you want to have a Unicode type.]) # wchar_t is only usable if it maps to an unsigned type if test "$unicode_size" = "$ac_cv_sizeof_wchar_t" \ -a "$ac_cv_wchar_t_signed" = "no" then PY_UNICODE_TYPE="wchar_t" AC_DEFINE(HAVE_USABLE_WCHAR_T, 1, [Define if you have a useable wchar_t type defined in wchar.h; useable means wchar_t must be an unsigned type with at least 16 bits. (see Include/unicodeobject.h).]) AC_DEFINE(PY_UNICODE_TYPE,wchar_t) elif test "$ac_cv_sizeof_short" = "$unicode_size" then PY_UNICODE_TYPE="unsigned short" AC_DEFINE(PY_UNICODE_TYPE,unsigned short) elif test "$ac_cv_sizeof_long" = "$unicode_size" then PY_UNICODE_TYPE="unsigned long" AC_DEFINE(PY_UNICODE_TYPE,unsigned long) else PY_UNICODE_TYPE="no type found" fi AC_MSG_RESULT($PY_UNICODE_TYPE) fi # 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_cv_rshift_extends_sign=yes)]) AC_MSG_RESULT($ac_cv_rshift_extends_sign) if test "$ac_cv_rshift_extends_sign" = no then AC_DEFINE(SIGNED_RIGHT_SHIFT_ZERO_FILLS, 1, [Define if i>>j for signed int i does not extend the sign bit when i < 0]) fi # check for getc_unlocked and related locking functions AC_MSG_CHECKING(for getc_unlocked() and friends) AC_CACHE_VAL(ac_cv_have_getc_unlocked, [ AC_TRY_LINK([#include ],[ FILE *f = fopen("/dev/null", "r"); flockfile(f); getc_unlocked(f); funlockfile(f); ], ac_cv_have_getc_unlocked=yes, ac_cv_have_getc_unlocked=no)]) AC_MSG_RESULT($ac_cv_have_getc_unlocked) if test "$ac_cv_have_getc_unlocked" = yes then AC_DEFINE(HAVE_GETC_UNLOCKED, 1, [Define this if you have flockfile(), getc_unlocked(), and funlockfile()]) fi # check where readline lives # save the value of LIBS so we don't actually link Python with readline LIBS_no_readline=$LIBS # On some systems we need to link readline to a termcap compatible # library. NOTE: Keep the precedence of listed libraries synchronised # with setup.py. py_cv_lib_readline=no AC_MSG_CHECKING([how to link readline libs]) for py_libtermcap in "" ncursesw ncurses curses termcap; do if test -z "$py_libtermcap"; then READLINE_LIBS="-lreadline" else READLINE_LIBS="-lreadline -l$py_libtermcap" fi LIBS="$READLINE_LIBS $LIBS_no_readline" AC_LINK_IFELSE( [AC_LANG_CALL([],[readline])], [py_cv_lib_readline=yes]) if test $py_cv_lib_readline = yes; then break fi done # Uncomment this line if you want to use READINE_LIBS in Makefile or scripts #AC_SUBST([READLINE_LIBS]) if test $py_cv_lib_readline = no; then AC_MSG_RESULT([none]) else AC_MSG_RESULT([$READLINE_LIBS]) AC_DEFINE(HAVE_LIBREADLINE, 1, [Define if you have the readline library (-lreadline).]) fi # check for readline 2.1 AC_CHECK_LIB(readline, rl_callback_handler_install, AC_DEFINE(HAVE_RL_CALLBACK, 1, [Define if you have readline 2.1]), ,$READLINE_LIBS) # check for readline 2.2 AC_TRY_CPP([#include ], have_readline=yes, have_readline=no) if test $have_readline = yes then AC_EGREP_HEADER([extern int rl_completion_append_character;], [readline/readline.h], AC_DEFINE(HAVE_RL_COMPLETION_APPEND_CHARACTER, 1, [Define if you have readline 2.2]), ) fi # check for readline 4.0 AC_CHECK_LIB(readline, rl_pre_input_hook, AC_DEFINE(HAVE_RL_PRE_INPUT_HOOK, 1, [Define if you have readline 4.0]), ,$READLINE_LIBS) # also in 4.0 AC_CHECK_LIB(readline, rl_completion_display_matches_hook, AC_DEFINE(HAVE_RL_COMPLETION_DISPLAY_MATCHES_HOOK, 1, [Define if you have readline 4.0]), ,$READLINE_LIBS) # check for readline 4.2 AC_CHECK_LIB(readline, rl_completion_matches, AC_DEFINE(HAVE_RL_COMPLETION_MATCHES, 1, [Define if you have readline 4.2]), ,$READLINE_LIBS) # also in readline 4.2 AC_TRY_CPP([#include ], have_readline=yes, have_readline=no) if test $have_readline = yes then AC_EGREP_HEADER([extern int rl_catch_signals;], [readline/readline.h], AC_DEFINE(HAVE_RL_CATCH_SIGNAL, 1, [Define if you can turn off readline's signal handling.]), ) fi # End of readline checks: restore LIBS LIBS=$LIBS_no_readline AC_MSG_CHECKING(for broken nice()) AC_CACHE_VAL(ac_cv_broken_nice, [ AC_TRY_RUN([ int main() { int val1 = nice(1); if (val1 != -1 && val1 == nice(2)) exit(0); exit(1); } ], ac_cv_broken_nice=yes, ac_cv_broken_nice=no, ac_cv_broken_nice=no)]) AC_MSG_RESULT($ac_cv_broken_nice) if test "$ac_cv_broken_nice" = yes then AC_DEFINE(HAVE_BROKEN_NICE, 1, [Define if nice() returns success/failure instead of the new priority.]) fi AC_MSG_CHECKING(for broken poll()) AC_TRY_RUN([ #include int main (void) { struct pollfd poll_struct = { 42, POLLIN|POLLPRI|POLLOUT, 0 }; close (42); int poll_test = poll (&poll_struct, 1, 0); if (poll_test < 0) { exit(0); } else if (poll_test == 0 && poll_struct.revents != POLLNVAL) { exit(0); } else { exit(1); } } ], ac_cv_broken_poll=yes, ac_cv_broken_poll=no, ac_cv_broken_poll=no) AC_MSG_RESULT($ac_cv_broken_poll) if test "$ac_cv_broken_poll" = yes then AC_DEFINE(HAVE_BROKEN_POLL, 1, [Define if poll() sets errno on invalid file descriptors.]) fi # Before we can test tzset, we need to check if struct tm has a tm_zone # (which is not required by ISO C or UNIX spec) and/or if we support # tzname[] AC_STRUCT_TIMEZONE # check tzset(3) exists and works like we expect it to AC_MSG_CHECKING(for working tzset()) AC_CACHE_VAL(ac_cv_working_tzset, [ AC_TRY_RUN([ #include #include #include #if HAVE_TZNAME extern char *tzname[]; #endif int main() { /* Note that we need to ensure that not only does tzset(3) do 'something' with localtime, but it works as documented in the library reference and as expected by the test suite. This includes making sure that tzname is set properly if tm->tm_zone does not exist since it is the alternative way of getting timezone info. Red Hat 6.2 doesn't understand the southern hemisphere after New Year's Day. */ time_t groundhogday = 1044144000; /* GMT-based */ time_t midyear = groundhogday + (365 * 24 * 3600 / 2); putenv("TZ=UTC+0"); tzset(); if (localtime(&groundhogday)->tm_hour != 0) exit(1); #if HAVE_TZNAME /* For UTC, tzname[1] is sometimes "", sometimes " " */ if (strcmp(tzname[0], "UTC") || (tzname[1][0] != 0 && tzname[1][0] != ' ')) exit(1); #endif putenv("TZ=EST+5EDT,M4.1.0,M10.5.0"); tzset(); if (localtime(&groundhogday)->tm_hour != 19) exit(1); #if HAVE_TZNAME if (strcmp(tzname[0], "EST") || strcmp(tzname[1], "EDT")) exit(1); #endif putenv("TZ=AEST-10AEDT-11,M10.5.0,M3.5.0"); tzset(); if (localtime(&groundhogday)->tm_hour != 11) exit(1); #if HAVE_TZNAME if (strcmp(tzname[0], "AEST") || strcmp(tzname[1], "AEDT")) exit(1); #endif #if HAVE_STRUCT_TM_TM_ZONE if (strcmp(localtime(&groundhogday)->tm_zone, "AEDT")) exit(1); if (strcmp(localtime(&midyear)->tm_zone, "AEST")) exit(1); #endif exit(0); } ], ac_cv_working_tzset=yes, ac_cv_working_tzset=no, ac_cv_working_tzset=no)]) AC_MSG_RESULT($ac_cv_working_tzset) if test "$ac_cv_working_tzset" = yes then AC_DEFINE(HAVE_WORKING_TZSET, 1, [Define if tzset() actually switches the local timezone in a meaningful way.]) fi # Look for subsecond timestamps in struct stat AC_MSG_CHECKING(for tv_nsec in struct stat) AC_CACHE_VAL(ac_cv_stat_tv_nsec, AC_TRY_COMPILE([#include ], [ struct stat st; st.st_mtim.tv_nsec = 1; ], ac_cv_stat_tv_nsec=yes, ac_cv_stat_tv_nsec=no, ac_cv_stat_tv_nsec=no)) AC_MSG_RESULT($ac_cv_stat_tv_nsec) if test "$ac_cv_stat_tv_nsec" = yes then AC_DEFINE(HAVE_STAT_TV_NSEC, 1, [Define if you have struct stat.st_mtim.tv_nsec]) fi # Look for BSD style subsecond timestamps in struct stat AC_MSG_CHECKING(for tv_nsec2 in struct stat) AC_CACHE_VAL(ac_cv_stat_tv_nsec2, AC_TRY_COMPILE([#include ], [ struct stat st; st.st_mtimespec.tv_nsec = 1; ], ac_cv_stat_tv_nsec2=yes, ac_cv_stat_tv_nsec2=no, ac_cv_stat_tv_nsec2=no)) AC_MSG_RESULT($ac_cv_stat_tv_nsec2) if test "$ac_cv_stat_tv_nsec2" = yes then AC_DEFINE(HAVE_STAT_TV_NSEC2, 1, [Define if you have struct stat.st_mtimensec]) fi # On HP/UX 11.0, mvwdelch is a block with a return statement AC_MSG_CHECKING(whether mvwdelch is an expression) AC_CACHE_VAL(ac_cv_mvwdelch_is_expression, AC_TRY_COMPILE([#include ], [ int rtn; rtn = mvwdelch(0,0,0); ], ac_cv_mvwdelch_is_expression=yes, ac_cv_mvwdelch_is_expression=no, ac_cv_mvwdelch_is_expression=yes)) AC_MSG_RESULT($ac_cv_mvwdelch_is_expression) if test "$ac_cv_mvwdelch_is_expression" = yes then AC_DEFINE(MVWDELCH_IS_EXPRESSION, 1, [Define if mvwdelch in curses.h is an expression.]) fi AC_MSG_CHECKING(whether WINDOW has _flags) AC_CACHE_VAL(ac_cv_window_has_flags, AC_TRY_COMPILE([#include ], [ WINDOW *w; w->_flags = 0; ], ac_cv_window_has_flags=yes, ac_cv_window_has_flags=no, ac_cv_window_has_flags=no)) AC_MSG_RESULT($ac_cv_window_has_flags) if test "$ac_cv_window_has_flags" = yes then AC_DEFINE(WINDOW_HAS_FLAGS, 1, [Define if WINDOW in curses.h offers a field _flags.]) fi AC_MSG_CHECKING(for is_term_resized) AC_TRY_COMPILE([#include ], void *x=is_term_resized, AC_DEFINE(HAVE_CURSES_IS_TERM_RESIZED, 1, Define if you have the 'is_term_resized' function.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) AC_MSG_CHECKING(for resize_term) AC_TRY_COMPILE([#include ], void *x=resize_term, AC_DEFINE(HAVE_CURSES_RESIZE_TERM, 1, Define if you have the 'resize_term' function.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) AC_MSG_CHECKING(for resizeterm) AC_TRY_COMPILE([#include ], void *x=resizeterm, AC_DEFINE(HAVE_CURSES_RESIZETERM, 1, Define if you have the 'resizeterm' function.) AC_MSG_RESULT(yes), AC_MSG_RESULT(no) ) AC_MSG_CHECKING(for /dev/ptmx) if test -r /dev/ptmx then AC_MSG_RESULT(yes) AC_DEFINE(HAVE_DEV_PTMX, 1, [Define if we have /dev/ptmx.]) else AC_MSG_RESULT(no) fi AC_MSG_CHECKING(for /dev/ptc) if test -r /dev/ptc then AC_MSG_RESULT(yes) AC_DEFINE(HAVE_DEV_PTC, 1, [Define if we have /dev/ptc.]) else AC_MSG_RESULT(no) fi AC_MSG_CHECKING(for %zd printf() format support) AC_TRY_RUN([#include #include #include #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SSIZE_T typedef ssize_t Py_ssize_t; #elif SIZEOF_VOID_P == SIZEOF_LONG typedef long Py_ssize_t; #else typedef int Py_ssize_t; #endif int main() { char buffer[256]; if(sprintf(buffer, "%zd", (size_t)123) < 0) return 1; if (strcmp(buffer, "123")) return 1; if (sprintf(buffer, "%zd", (Py_ssize_t)-123) < 0) return 1; if (strcmp(buffer, "-123")) return 1; return 0; }], [AC_MSG_RESULT(yes) AC_DEFINE(PY_FORMAT_SIZE_T, "z", [Define to printf format modifier for Py_ssize_t])], AC_MSG_RESULT(no)) AC_CHECK_TYPE(socklen_t,, AC_DEFINE(socklen_t,int, Define to `int' if does not define.),[ #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif ]) AC_SUBST(THREADHEADERS) for h in `(cd $srcdir;echo Python/thread_*.h)` do THREADHEADERS="$THREADHEADERS \$(srcdir)/$h" done AC_SUBST(SRCDIRS) SRCDIRS="Parser Grammar Objects Python Modules Mac" AC_MSG_CHECKING(for build directories) for dir in $SRCDIRS; do if test ! -d $dir; then mkdir $dir fi done AC_MSG_RESULT(done) # generate output files AC_CONFIG_FILES(Makefile.pre Modules/Setup.config) AC_OUTPUT echo "creating Modules/Setup" if test ! -f Modules/Setup then cp $srcdir/Modules/Setup.dist Modules/Setup fi echo "creating Modules/Setup.local" if test ! -f Modules/Setup.local then echo "# Edit this file for local setup changes" >Modules/Setup.local fi echo "creating Makefile" $SHELL $srcdir/Modules/makesetup -c $srcdir/Modules/config.c.in \ -s Modules Modules/Setup.config \ Modules/Setup.local Modules/Setup case $ac_sys_system in BeOS) AC_MSG_WARN([ Support for BeOS is deprecated as of Python 2.6. See PEP 11 for the gory details. ]) ;; *) ;; esac mv config.c Modules