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BASECFLAGS tweaks need to be made even if the # user set OPT. # tweak OPT based on compiler and platform, only if the user didn't set # it on the command line AC_SUBST(OPT) if test "${OPT-unset}" = "unset" then case $GCC in yes) if test "$CC" != 'g++' ; then STRICT_PROTO="-Wstrict-prototypes" fi # For gcc 4.x we need to use -fwrapv so lets check if its supported if "$CC" -v --help 2>/dev/null |grep -- -fwrapv > /dev/null; then WRAP="-fwrapv" fi case $ac_cv_prog_cc_g in yes) if test "$Py_DEBUG" = 'true' ; then # Optimization messes up debuggers, so turn it off for # debug builds. OPT="-g -O0 -Wall $STRICT_PROTO" else OPT="-g $WRAP -O3 -Wall $STRICT_PROTO" fi ;; *) OPT="-O3 -Wall $STRICT_PROTO" ;; esac case $ac_sys_system in SCO_SV*) OPT="$OPT -m486 -DSCO5" ;; esac ;; *) OPT="-O" ;; esac fi AC_SUBST(BASECFLAGS) # The -arch flags for universal builds on OSX UNIVERSAL_ARCH_FLAGS= AC_SUBST(UNIVERSAL_ARCH_FLAGS) # tweak BASECFLAGS based on compiler and platform case $GCC in yes) # Python doesn't violate C99 aliasing rules, but older versions of # GCC produce warnings for legal Python code. Enable # -fno-strict-aliasing on versions of GCC that support but produce # warnings. See Issue3326 AC_MSG_CHECKING(whether $CC accepts and needs -fno-strict-aliasing) ac_save_cc="$CC" CC="$CC -fno-strict-aliasing" save_CFLAGS="$CFLAGS" AC_CACHE_VAL(ac_cv_no_strict_aliasing, AC_COMPILE_IFELSE( [ AC_LANG_PROGRAM([[]], [[]]) ],[ CC="$ac_save_cc -fstrict-aliasing" CFLAGS="$CFLAGS -Werror -Wstrict-aliasing" AC_COMPILE_IFELSE( [ AC_LANG_PROGRAM([[void f(int **x) {}]], [[double *x; f((int **) &x);]]) ],[ ac_cv_no_strict_aliasing=no ],[ ac_cv_no_strict_aliasing=yes ]) ],[ ac_cv_no_strict_aliasing=no ])) CFLAGS="$save_CFLAGS" CC="$ac_save_cc" AC_MSG_RESULT($ac_cv_no_strict_aliasing) if test $ac_cv_no_strict_aliasing = yes then BASECFLAGS="$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 "${CC}" = gcc then AC_MSG_CHECKING(which compiler should be used) case "${UNIVERSALSDK}" in */MacOSX10.4u.sdk) # Build using 10.4 SDK, force usage of gcc when the # compiler is gcc, otherwise the user will get very # confusing error messages when building on OSX 10.6 CC=gcc-4.0 CPP=cpp-4.0 ;; esac AC_MSG_RESULT($CC) fi if test "${enable_universalsdk}"; then UNIVERSAL_ARCH_FLAGS="" if test "$UNIVERSAL_ARCHS" = "32-bit" ; then UNIVERSAL_ARCH_FLAGS="-arch ppc -arch i386" ARCH_RUN_32BIT="" LIPO_32BIT_FLAGS="" elif test "$UNIVERSAL_ARCHS" = "64-bit" ; then UNIVERSAL_ARCH_FLAGS="-arch ppc64 -arch x86_64" LIPO_32BIT_FLAGS="" ARCH_RUN_32BIT="true" elif test "$UNIVERSAL_ARCHS" = "all" ; then UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch ppc64 -arch x86_64" LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386" ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc" elif test "$UNIVERSAL_ARCHS" = "intel" ; then UNIVERSAL_ARCH_FLAGS="-arch i386 -arch x86_64" LIPO_32BIT_FLAGS="-extract i386" ARCH_RUN_32BIT="/usr/bin/arch -i386" elif test "$UNIVERSAL_ARCHS" = "3-way" ; then UNIVERSAL_ARCH_FLAGS="-arch i386 -arch ppc -arch x86_64" LIPO_32BIT_FLAGS="-extract ppc7400 -extract i386" ARCH_RUN_32BIT="/usr/bin/arch -i386 -ppc" else AC_MSG_ERROR([proper usage is --with-universal-arch=32-bit|64-bit|all|intel|3-way]) fi CFLAGS="${UNIVERSAL_ARCH_FLAGS} -isysroot ${UNIVERSALSDK} ${CFLAGS}" if test "${UNIVERSALSDK}" != "/" then CFLAGS="-isysroot ${UNIVERSALSDK} ${CFLAGS}" LDFLAGS="-isysroot ${UNIVERSALSDK} ${LDFLAGS}" CPPFLAGS="-isysroot ${UNIVERSALSDK} ${CPPFLAGS}" 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 if test ${enable_universalsdk}; then if test "${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' elif test "${UNIVERSAL_ARCHS}" = "3-way"; then cur_target='10.5' elif test "${UNIVERSAL_ARCHS}" = "intel"; then cur_target='10.5' elif test "${UNIVERSAL_ARCHS}" = "64-bit"; then cur_target='10.5' fi else if test `/usr/bin/arch` = "i386"; then # On Intel macs default to a deployment # target of 10.4, that's the first OSX # release with Intel support. cur_target="10.4" fi fi fi CONFIGURE_MACOSX_DEPLOYMENT_TARGET=${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='' ;; esac ;; *) case $ac_sys_system in OpenUNIX*|UnixWare*) BASECFLAGS="$BASECFLAGS -K pentium,host,inline,loop_unroll,alloca " ;; 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 $ac_arch_flags" fi # Check whether GCC supports PyArg_ParseTuple format if test "$GCC" = "yes" then AC_MSG_CHECKING(whether gcc supports ParseTuple __format__) save_CFLAGS=$CFLAGS CFLAGS="$CFLAGS -Werror" AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[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=$save_CFLAGS fi # On some compilers, pthreads are available without further options # (e.g. MacOS X). On some of these systems, the compiler will not # complain if unaccepted options are passed (e.g. gcc on Mac OS X). # So we have to see first whether pthreads are available without # options before we can check whether -Kpthread improves anything. AC_MSG_CHECKING(whether pthreads are available without options) AC_CACHE_VAL(ac_cv_pthread_is_default, [AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include void* routine(void* p){return NULL;} int main(){ pthread_t p; if(pthread_create(&p,NULL,routine,NULL)!=0) return 1; (void)pthread_detach(p); return 0; } ]])],[ ac_cv_pthread_is_default=yes ac_cv_kthread=no ac_cv_pthread=no ],[ac_cv_pthread_is_default=no],[ac_cv_pthread_is_default=no]) ]) AC_MSG_RESULT($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="$CC -Kpthread" AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include void* routine(void* p){return NULL;} int main(){ pthread_t p; if(pthread_create(&p,NULL,routine,NULL)!=0) return 1; (void)pthread_detach(p); return 0; } ]])],[ac_cv_kpthread=yes],[ac_cv_kpthread=no],[ac_cv_kpthread=no]) CC="$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="$CC -Kthread" AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include void* routine(void* p){return NULL;} int main(){ pthread_t p; if(pthread_create(&p,NULL,routine,NULL)!=0) return 1; (void)pthread_detach(p); return 0; } ]])],[ac_cv_kthread=yes],[ac_cv_kthread=no],[ac_cv_kthread=no]) CC="$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="$CC -pthread" AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include void* routine(void* p){return NULL;} int main(){ pthread_t p; if(pthread_create(&p,NULL,routine,NULL)!=0) return 1; (void)pthread_detach(p); return 0; } ]])],[ac_cv_pthread=yes],[ac_cv_pthread=no],[ac_cv_pthread=no]) CC="$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="$ac_save_cxx" dnl # check for ANSI or K&R ("traditional") preprocessor dnl AC_MSG_CHECKING(for C preprocessor type) dnl AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ dnl #define spam(name, doc) {#name, &name, #name "() -- " doc} dnl int foo; dnl struct {char *name; int *addr; char *doc;} desc = spam(foo, "something"); dnl ]], [[;]])],[cpp_type=ansi],[AC_DEFINE(HAVE_OLD_CPP) cpp_type=traditional]) dnl AC_MSG_RESULT($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 \ 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/sendfile.h sys/socket.h sys/statvfs.h \ sys/stat.h sys/termio.h sys/time.h \ sys/times.h sys/types.h sys/uio.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 spawn.h util.h) AC_HEADER_DIRENT AC_HEADER_MAJOR # On Darwin (OS X) net/if.h requires sys/socket.h to be imported first. AC_CHECK_HEADERS([net/if.h], [], [], [#include #ifdef STDC_HEADERS # include # include #else # ifdef HAVE_STDLIB_H # include # endif #endif #ifdef HAVE_SYS_SOCKET_H # include #endif ]) # 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($was_it_defined) AC_MSG_CHECKING(for makedev) AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #if defined(MAJOR_IN_MKDEV) #include #elif defined(MAJOR_IN_SYSMACROS) #include #else #include #endif ]], [[ makedev(0, 0) ]]) ],[ac_cv_has_makedev=yes],[ac_cv_has_makedev=no]) AC_MSG_RESULT($ac_cv_has_makedev) if test "$ac_cv_has_makedev" = "yes"; then AC_DEFINE(HAVE_MAKEDEV, 1, [Define this if you have the makedev macro.]) fi # Enabling LFS on Solaris (2.6 to 9) with gcc 2.95 triggers a bug in # the system headers: If _XOPEN_SOURCE and _LARGEFILE_SOURCE are # defined, but the compiler does not support pragma redefine_extname, # and _LARGEFILE64_SOURCE is not defined, the headers refer to 64-bit # structures (such as rlimit64) without declaring them. As a # work-around, disable LFS on such configurations use_lfs=yes AC_MSG_CHECKING(Solaris LFS bug) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #define _LARGEFILE_SOURCE 1 #define _FILE_OFFSET_BITS 64 #include ]], [[struct rlimit foo;]])],[sol_lfs_bug=no],[sol_lfs_bug=yes]) AC_MSG_RESULT($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 case $ac_sys_system/$ac_sys_release in AIX*) AC_DEFINE(_LARGE_FILES, 1, [This must be defined on AIX systems to enable large file support.]) ;; esac 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_DEFINE_UNQUOTED([RETSIGTYPE],[void],[assume C89 semantics that RETSIGTYPE is always void]) 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_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[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_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[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, 16) fi AC_MSG_CHECKING(for _Bool support) have_c99_bool=no AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[_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 #ifdef HAVE_INTTYPES_H #include #endif]) AC_CHECK_SIZEOF(off_t, [], [ #ifdef HAVE_SYS_TYPES_H #include #endif ]) AC_MSG_CHECKING(whether to enable large file support) if test "$have_long_long" = yes then if test "$ac_cv_sizeof_off_t" -gt "$ac_cv_sizeof_long" -a \ "$ac_cv_sizeof_long_long" -ge "$ac_cv_sizeof_off_t"; then AC_DEFINE(HAVE_LARGEFILE_SUPPORT, 1, [Defined to enable large file support when an off_t is bigger than a long and long long is available and at least as big as an off_t. You may need to add some flags for configuration and compilation to enable this mode. 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AC_DEFINE(_REENTRANT) posix_threads=yes THREADOBJ="Python/thread.o" elif test "$ac_cv_kpthread" = "yes" then CC="$CC -Kpthread" if test "$ac_cv_cxx_thread" = "yes"; then CXX="$CXX -Kpthread" fi AC_DEFINE(WITH_THREAD) posix_threads=yes THREADOBJ="Python/thread.o" elif test "$ac_cv_kthread" = "yes" then CC="$CC -Kthread" if test "$ac_cv_cxx_thread" = "yes"; then CXX="$CXX -Kthread" fi AC_DEFINE(WITH_THREAD) posix_threads=yes THREADOBJ="Python/thread.o" elif test "$ac_cv_pthread" = "yes" then CC="$CC -pthread" if test "$ac_cv_cxx_thread" = "yes"; then CXX="$CXX -pthread" fi AC_DEFINE(WITH_THREAD) posix_threads=yes THREADOBJ="Python/thread.o" else if test ! -z "$with_threads" -a -d "$with_threads" then LDFLAGS="$LDFLAGS -L$with_threads" fi if test ! -z "$withval" -a -d "$withval" then LDFLAGS="$LDFLAGS -L$withval" fi # According to the POSIX spec, a pthreads implementation must # define _POSIX_THREADS in unistd.h. Some apparently don't # (e.g. gnu pth with pthread emulation) AC_MSG_CHECKING(for _POSIX_THREADS in unistd.h) AC_EGREP_CPP(yes, [ #include #ifdef _POSIX_THREADS yes #endif ], unistd_defines_pthreads=yes, unistd_defines_pthreads=no) AC_MSG_RESULT($unistd_defines_pthreads) AC_DEFINE(_REENTRANT) # Just looking for pthread_create in libpthread is not enough: # on HP/UX, pthread.h renames pthread_create to a different symbol name. # So we really have to include pthread.h, and then link. _libs=$LIBS LIBS="$LIBS -lpthread" AC_MSG_CHECKING([for pthread_create in -lpthread]) AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include void * start_routine (void *arg) { exit (0); }]], [[ pthread_create (NULL, NULL, start_routine, NULL)]])],[ AC_MSG_RESULT(yes) AC_DEFINE(WITH_THREAD) posix_threads=yes THREADOBJ="Python/thread.o"],[ LIBS=$_libs AC_CHECK_FUNC(pthread_detach, [AC_DEFINE(WITH_THREAD) posix_threads=yes THREADOBJ="Python/thread.o"],[ AC_CHECK_LIB(pthreads, pthread_create, [AC_DEFINE(WITH_THREAD) posix_threads=yes LIBS="$LIBS -lpthreads" THREADOBJ="Python/thread.o"], [ AC_CHECK_LIB(c_r, pthread_create, [AC_DEFINE(WITH_THREAD) posix_threads=yes LIBS="$LIBS -lc_r" THREADOBJ="Python/thread.o"], [ AC_CHECK_LIB(pthread, __pthread_create_system, [AC_DEFINE(WITH_THREAD) posix_threads=yes LIBS="$LIBS -lpthread" THREADOBJ="Python/thread.o"], [ AC_CHECK_LIB(cma, pthread_create, [AC_DEFINE(WITH_THREAD) posix_threads=yes LIBS="$LIBS -lcma" THREADOBJ="Python/thread.o"],[ USE_THREAD_MODULE="#"]) ])])])])]) AC_CHECK_LIB(mpc, usconfig, [AC_DEFINE(WITH_THREAD) LIBS="$LIBS -lmpc" THREADOBJ="Python/thread.o" USE_THREAD_MODULE=""]) if test "$posix_threads" != "yes"; then AC_CHECK_LIB(thread, thr_create, [AC_DEFINE(WITH_THREAD) LIBS="$LIBS -lthread" THREADOBJ="Python/thread.o" USE_THREAD_MODULE=""]) fi fi if test "$posix_threads" = "yes"; then if test "$unistd_defines_pthreads" = "no"; then AC_DEFINE(_POSIX_THREADS, 1, [Define if you have POSIX threads, and your system does not define that.]) fi # Bug 662787: Using semaphores causes unexplicable hangs on Solaris 8. case $ac_sys_system/$ac_sys_release in SunOS/5.6) AC_DEFINE(HAVE_PTHREAD_DESTRUCTOR, 1, [Defined for Solaris 2.6 bug in pthread header.]) ;; SunOS/5.8) AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1, [Define if the Posix semaphores do not work on your system]) ;; AIX/*) AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1, [Define if the Posix semaphores do not work on your system]) ;; esac AC_MSG_CHECKING(if PTHREAD_SCOPE_SYSTEM is supported) AC_CACHE_VAL(ac_cv_pthread_system_supported, [AC_RUN_IFELSE([AC_LANG_SOURCE([[#include void *foo(void *parm) { return NULL; } main() { pthread_attr_t attr; pthread_t id; if (pthread_attr_init(&attr)) exit(-1); if (pthread_attr_setscope(&attr, PTHREAD_SCOPE_SYSTEM)) exit(-1); if (pthread_create(&id, &attr, foo, NULL)) exit(-1); exit(0); }]])], [ac_cv_pthread_system_supported=yes], [ac_cv_pthread_system_supported=no], [ac_cv_pthread_system_supported=no]) ]) AC_MSG_RESULT($ac_cv_pthread_system_supported) if test "$ac_cv_pthread_system_supported" = "yes"; then AC_DEFINE(PTHREAD_SYSTEM_SCHED_SUPPORTED, 1, [Defined if PTHREAD_SCOPE_SYSTEM supported.]) fi AC_CHECK_FUNCS(pthread_sigmask, [case $ac_sys_system in CYGWIN*) AC_DEFINE(HAVE_BROKEN_PTHREAD_SIGMASK, 1, [Define if pthread_sigmask() does not work on your system.]) ;; esac]) fi # Check for enable-ipv6 AH_TEMPLATE(ENABLE_IPV6, [Define if --enable-ipv6 is specified]) AC_MSG_CHECKING([if --enable-ipv6 is specified]) AC_ARG_ENABLE(ipv6, [ --enable-ipv6 Enable ipv6 (with ipv4) support --disable-ipv6 Disable ipv6 support], [ case "$enableval" in no) AC_MSG_RESULT(no) ipv6=no ;; *) AC_MSG_RESULT(yes) AC_DEFINE(ENABLE_IPV6) ipv6=yes ;; esac ], [ dnl the check does not work on cross compilation case... AC_RUN_IFELSE([AC_LANG_SOURCE([[ /* AF_INET6 available check */ #include #include main() { if (socket(AF_INET6, SOCK_STREAM, 0) < 0) exit(1); else exit(0); } ]])],[ AC_MSG_RESULT(yes) ipv6=yes ],[ AC_MSG_RESULT(no) ipv6=no ],[ AC_MSG_RESULT(no) ipv6=no ]) if test "$ipv6" = "yes"; then AC_MSG_CHECKING(if RFC2553 API is available) AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[#include #include ]], [[struct sockaddr_in6 x; x.sin6_scope_id;]]) ],[ AC_MSG_RESULT(yes) ipv6=yes ],[ AC_MSG_RESULT(no, IPv6 disabled) ipv6=no ]) fi if test "$ipv6" = "yes"; then AC_DEFINE(ENABLE_IPV6) fi ]) ipv6type=unknown ipv6lib=none ipv6trylibc=no if test "$ipv6" = "yes"; then AC_MSG_CHECKING([ipv6 stack type]) for i in inria kame linux-glibc linux-inet6 solaris toshiba v6d zeta; do case $i in inria) dnl http://www.kame.net/ AC_EGREP_CPP(yes, [ #include #ifdef IPV6_INRIA_VERSION yes #endif], [ipv6type=$i]) ;; kame) dnl http://www.kame.net/ AC_EGREP_CPP(yes, [ #include #ifdef __KAME__ yes #endif], [ipv6type=$i; ipv6lib=inet6 ipv6libdir=/usr/local/v6/lib ipv6trylibc=yes]) ;; linux-glibc) dnl http://www.v6.linux.or.jp/ AC_EGREP_CPP(yes, [ #include #if defined(__GLIBC__) && ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)) yes #endif], [ipv6type=$i; ipv6trylibc=yes]) ;; linux-inet6) dnl http://www.v6.linux.or.jp/ if test -d /usr/inet6; then ipv6type=$i ipv6lib=inet6 ipv6libdir=/usr/inet6/lib BASECFLAGS="-I/usr/inet6/include $BASECFLAGS" fi ;; solaris) if test -f /etc/netconfig; then if $GREP -q tcp6 /etc/netconfig; then ipv6type=$i ipv6trylibc=yes fi fi ;; toshiba) AC_EGREP_CPP(yes, [ #include #ifdef _TOSHIBA_INET6 yes #endif], [ipv6type=$i; ipv6lib=inet6; ipv6libdir=/usr/local/v6/lib]) ;; v6d) AC_EGREP_CPP(yes, [ #include #ifdef __V6D__ yes #endif], [ipv6type=$i; ipv6lib=v6; ipv6libdir=/usr/local/v6/lib; BASECFLAGS="-I/usr/local/v6/include $BASECFLAGS"]) ;; zeta) AC_EGREP_CPP(yes, [ #include #ifdef _ZETA_MINAMI_INET6 yes #endif], [ipv6type=$i; ipv6lib=inet6; ipv6libdir=/usr/local/v6/lib]) ;; esac if test "$ipv6type" != "unknown"; then break fi done AC_MSG_RESULT($ipv6type) fi if test "$ipv6" = "yes" -a "$ipv6lib" != "none"; then if test -d $ipv6libdir -a -f $ipv6libdir/lib$ipv6lib.a; then LIBS="-L$ipv6libdir -l$ipv6lib $LIBS" echo "using lib$ipv6lib" else if test $ipv6trylibc = "yes"; then echo "using libc" else echo 'Fatal: no $ipv6lib library found. cannot continue.' echo "You need to fetch lib$ipv6lib.a from appropriate" echo 'ipv6 kit and compile beforehand.' exit 1 fi fi fi AC_MSG_CHECKING(for OSX 10.5 SDK or later) AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[#include ]], [[FSIORefNum fRef = 0]]) ],[ AC_DEFINE(HAVE_OSX105_SDK, 1, [Define if compiling using MacOS X 10.5 SDK or later.]) AC_MSG_RESULT(yes) ],[ AC_MSG_RESULT(no) ]) # Check for --with-doc-strings AC_MSG_CHECKING(for --with-doc-strings) AC_ARG_WITH(doc-strings, AS_HELP_STRING([--with(out)-doc-strings], [disable/enable documentation strings])) if test -z "$with_doc_strings" then with_doc_strings="yes" fi if test "$with_doc_strings" != "no" then AC_DEFINE(WITH_DOC_STRINGS, 1, [Define if you want documentation strings in extension modules]) fi AC_MSG_RESULT($with_doc_strings) # Check if eval loop should use timestamp counter profiling AC_MSG_CHECKING(for --with-tsc) AC_ARG_WITH(tsc, AS_HELP_STRING([--with(out)-tsc],[enable/disable timestamp counter profile]),[ if test "$withval" != no then AC_DEFINE(WITH_TSC, 1, [Define to profile with the Pentium timestamp counter]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi], [AC_MSG_RESULT(no)]) # Check for Python-specific malloc support AC_MSG_CHECKING(for --with-pymalloc) AC_ARG_WITH(pymalloc, AS_HELP_STRING([--with(out)-pymalloc], [disable/enable specialized mallocs])) if test -z "$with_pymalloc" then with_pymalloc="yes" ABIFLAGS="${ABIFLAGS}m" fi if test "$with_pymalloc" != "no" then AC_DEFINE(WITH_PYMALLOC, 1, [Define if you want to compile in Python-specific mallocs]) fi AC_MSG_RESULT($with_pymalloc) # Check for Valgrind support AC_MSG_CHECKING([for --with-valgrind]) AC_ARG_WITH([valgrind], AS_HELP_STRING([--with-valgrind], [Enable Valgrind support]),, with_valgrind=no) AC_MSG_RESULT([$with_valgrind]) if test "$with_valgrind" != no; then AC_CHECK_HEADER([valgrind/valgrind.h], [AC_DEFINE([WITH_VALGRIND], 1, [Define if you want pymalloc to be disabled when running under valgrind])], [AC_MSG_ERROR([Valgrind support requested but headers not available])] ) OPT="-DDYNAMIC_ANNOTATIONS_ENABLED=1 $OPT" fi # -I${DLINCLDIR} is added to the compile rule for importdl.o AC_SUBST(DLINCLDIR) DLINCLDIR=. # the dlopen() function means we might want to use dynload_shlib.o. some # platforms, such as AIX, have dlopen(), but don't want to use it. AC_CHECK_FUNCS(dlopen) # DYNLOADFILE specifies which dynload_*.o file we will use for dynamic # loading of modules. AC_SUBST(DYNLOADFILE) AC_MSG_CHECKING(DYNLOADFILE) if test -z "$DYNLOADFILE" then case $ac_sys_system/$ac_sys_release in AIX*) # Use dynload_shlib.c and dlopen() if we have it; otherwise dynload_aix.c if test "$ac_cv_func_dlopen" = yes then DYNLOADFILE="dynload_shlib.o" else DYNLOADFILE="dynload_aix.o" fi ;; hp*|HP*) DYNLOADFILE="dynload_hpux.o";; # Use dynload_next.c only on 10.2 and below, which don't have native dlopen() Darwin/@<:@0156@:>@\..*) DYNLOADFILE="dynload_next.o";; *) # use dynload_shlib.c and dlopen() if we have it; otherwise stub # out any dynamic loading if test "$ac_cv_func_dlopen" = yes then DYNLOADFILE="dynload_shlib.o" else DYNLOADFILE="dynload_stub.o" fi ;; esac fi AC_MSG_RESULT($DYNLOADFILE) if test "$DYNLOADFILE" != "dynload_stub.o" then AC_DEFINE(HAVE_DYNAMIC_LOADING, 1, [Defined when any dynamic module loading is enabled.]) fi # MACHDEP_OBJS can be set to platform-specific object files needed by Python AC_SUBST(MACHDEP_OBJS) AC_MSG_CHECKING(MACHDEP_OBJS) if test -z "$MACHDEP_OBJS" then MACHDEP_OBJS=$extra_machdep_objs else MACHDEP_OBJS="$MACHDEP_OBJS $extra_machdep_objs" fi AC_MSG_RESULT(MACHDEP_OBJS) # checks for library functions AC_CHECK_FUNCS(alarm accept4 setitimer getitimer bind_textdomain_codeset chown \ clock confstr ctermid execv faccessat fchmod fchmodat fchown fchownat \ fexecve fdopendir fork fpathconf fstatat ftime ftruncate futimesat \ futimens futimes gai_strerror \ getgrouplist getgroups getlogin getloadavg getpeername getpgid getpid \ getpriority getresuid getresgid getpwent getspnam getspent getsid getwd \ if_nameindex \ initgroups kill killpg lchmod lchown lockf linkat lstat lutimes mbrtowc mkdirat mkfifo \ mkfifoat mknod mknodat mktime mremap nice openat pathconf pause pipe2 plock poll \ posix_fallocate posix_fadvise pread \ pthread_init pthread_kill putenv pwrite readlink readlinkat readv realpath renameat \ select sem_open sem_timedwait sem_getvalue sem_unlink sendfile setegid seteuid \ setgid sethostname \ setlocale setregid setreuid setresuid setresgid setsid setpgid setpgrp setpriority setuid setvbuf \ sigaction sigaltstack siginterrupt sigpending sigrelse \ sigtimedwait sigwait sigwaitinfo snprintf strftime strlcpy symlinkat sync \ sysconf tcgetpgrp tcsetpgrp tempnam timegm times tmpfile tmpnam tmpnam_r \ truncate uname unlinkat unsetenv utimensat utimes waitid waitpid wait3 wait4 \ wcscoll wcsftime wcsxfrm writev _getpty) # For some functions, having a definition is not sufficient, since # we want to take their address. AC_MSG_CHECKING(for chroot) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #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_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #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_CACHE_CHECK([for flock declaration], [ac_cv_flock_decl], [AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [#include ], [void* p = flock] )], [ac_cv_flock_decl=yes], [ac_cv_flock_decl=no] ) ]) if test "x${ac_cv_flock_decl}" = xyes; then AC_CHECK_FUNCS(flock,, AC_CHECK_LIB(bsd,flock, [AC_DEFINE(HAVE_FLOCK) AC_DEFINE(FLOCK_NEEDS_LIBBSD, 1, Define if flock needs to be linked with bsd library.) ]) ) fi AC_MSG_CHECKING(for getpagesize) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include ]], [[void* p = getpagesize]])], [AC_DEFINE(HAVE_GETPAGESIZE, 1, Define if you have the 'getpagesize' function.) AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no) ]) AC_MSG_CHECKING(whether mallopt can set malloc mmap threshold) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include ]], [[mallopt(M_MMAP_THRESHOLD, 256 * 1024)]])], [AC_DEFINE(HAVE_MALLOPT_MMAP_THRESHOLD, 1, Define if mallopt can set malloc mmap threshold.) 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, [$ac_cv_prog_TRUE], AC_CHECK_LIB(resolv, inet_aton) ) # On Tru64, chflags seems to be present, but calling it will # exit Python AC_CACHE_CHECK([for chflags], [ac_cv_have_chflags], [dnl AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include #include int main(int argc, char*argv[]) { if(chflags(argv[0], 0) != 0) return 1; return 0; } ]])], [ac_cv_have_chflags=yes], [ac_cv_have_chflags=no], [ac_cv_have_chflags=cross]) ]) if test "$ac_cv_have_chflags" = cross ; then AC_CHECK_FUNC([chflags], [ac_cv_have_chflags="yes"], [ac_cv_have_chflags="no"]) fi if test "$ac_cv_have_chflags" = yes ; then AC_DEFINE(HAVE_CHFLAGS, 1, [Define to 1 if you have the 'chflags' function.]) fi AC_CACHE_CHECK([for lchflags], [ac_cv_have_lchflags], [dnl AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include #include int main(int argc, char*argv[]) { if(lchflags(argv[0], 0) != 0) return 1; return 0; } ]])],[ac_cv_have_lchflags=yes],[ac_cv_have_lchflags=no],[ac_cv_have_lchflags=cross]) ]) if test "$ac_cv_have_lchflags" = cross ; then AC_CHECK_FUNC([lchflags], [ac_cv_have_lchflags="yes"], [ac_cv_have_lchflags="no"]) fi if test "$ac_cv_have_lchflags" = yes ; then AC_DEFINE(HAVE_LCHFLAGS, 1, [Define to 1 if you have the 'lchflags' function.]) fi 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_LINK_IFELSE([AC_LANG_PROGRAM([[ #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_LINK_IFELSE([AC_LANG_PROGRAM([[ #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_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #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_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #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_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[getpgrp(0);]])], [AC_DEFINE(GETPGRP_HAVE_ARG, 1, [Define if getpgrp() must be called as getpgrp(0).])], []) ) AC_CHECK_FUNCS(setpgrp, AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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_LINK_IFELSE([AC_LANG_PROGRAM([[ #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_LINK_IFELSE([AC_LANG_PROGRAM([[ #include #include #include #include ]], [[getaddrinfo(NULL, NULL, NULL, NULL);]])], [have_getaddrinfo=yes], [have_getaddrinfo=no]) AC_MSG_RESULT($have_getaddrinfo) if test $have_getaddrinfo = yes then AC_MSG_CHECKING(getaddrinfo bug) AC_CACHE_VAL(ac_cv_buggy_getaddrinfo, AC_RUN_IFELSE([AC_LANG_SOURCE([[[ #include #include #include #include #include int main() { int passive, gaierr, inet4 = 0, inet6 = 0; struct addrinfo hints, *ai, *aitop; char straddr[INET6_ADDRSTRLEN], strport[16]; for (passive = 0; passive <= 1; passive++) { memset(&hints, 0, sizeof(hints)); hints.ai_family = AF_UNSPEC; hints.ai_flags = passive ? AI_PASSIVE : 0; hints.ai_socktype = SOCK_STREAM; hints.ai_protocol = IPPROTO_TCP; if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) { (void)gai_strerror(gaierr); goto bad; } for (ai = aitop; ai; ai = ai->ai_next) { if (ai->ai_addr == NULL || ai->ai_addrlen == 0 || getnameinfo(ai->ai_addr, ai->ai_addrlen, straddr, sizeof(straddr), strport, sizeof(strport), NI_NUMERICHOST|NI_NUMERICSERV) != 0) { goto bad; } switch (ai->ai_family) { case AF_INET: if (strcmp(strport, "54321") != 0) { goto bad; } if (passive) { if (strcmp(straddr, "0.0.0.0") != 0) { goto bad; } } else { if (strcmp(straddr, "127.0.0.1") != 0) { goto bad; } } inet4++; break; case AF_INET6: if (strcmp(strport, "54321") != 0) { goto bad; } if (passive) { if (strcmp(straddr, "::") != 0) { goto bad; } } else { if (strcmp(straddr, "::1") != 0) { goto bad; } } inet6++; break; case AF_UNSPEC: goto bad; break; default: /* another family support? */ break; } } } if (!(inet4 == 0 || inet4 == 2)) goto bad; if (!(inet6 == 0 || inet6 == 2)) goto bad; if (aitop) freeaddrinfo(aitop); return 0; bad: if (aitop) freeaddrinfo(aitop); return 1; } ]]])], [ac_cv_buggy_getaddrinfo=no], [ac_cv_buggy_getaddrinfo=yes], [ac_cv_buggy_getaddrinfo=yes])) fi AC_MSG_RESULT($ac_cv_buggy_getaddrinfo) if test $have_getaddrinfo = no -o "$ac_cv_buggy_getaddrinfo" = yes then if test $ipv6 = yes then echo 'Fatal: You must get working getaddrinfo() function.' echo ' or you can specify "--disable-ipv6"'. exit 1 fi else AC_DEFINE(HAVE_GETADDRINFO, 1, [Define if you have the getaddrinfo function.]) fi AC_CHECK_FUNCS(getnameinfo) # checks for structures AC_HEADER_TIME AC_STRUCT_TM AC_STRUCT_TIMEZONE AC_CHECK_MEMBERS([struct stat.st_rdev]) AC_CHECK_MEMBERS([struct stat.st_blksize]) AC_CHECK_MEMBERS([struct stat.st_flags]) AC_CHECK_MEMBERS([struct stat.st_gen]) AC_CHECK_MEMBERS([struct stat.st_birthtime]) AC_STRUCT_ST_BLOCKS AC_MSG_CHECKING(for time.h that defines altzone) AC_CACHE_VAL(ac_cv_header_time_altzone,[ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[return altzone;]])], [ac_cv_header_time_altzone=yes], [ac_cv_header_time_altzone=no]) ]) AC_MSG_RESULT($ac_cv_header_time_altzone) if test $ac_cv_header_time_altzone = yes; then AC_DEFINE(HAVE_ALTZONE, 1, [Define this if your time.h defines altzone.]) fi was_it_defined=no AC_MSG_CHECKING(whether sys/select.h and sys/time.h may both be included) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include #include ]], [[;]])],[ AC_DEFINE(SYS_SELECT_WITH_SYS_TIME, 1, [Define if you can safely include both and (which you can't on SCO ODT 3.0).]) was_it_defined=yes ],[]) AC_MSG_RESULT($was_it_defined) AC_MSG_CHECKING(for addrinfo) AC_CACHE_VAL(ac_cv_struct_addrinfo, AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[struct addrinfo a]])], [ac_cv_struct_addrinfo=yes], [ac_cv_struct_addrinfo=no])) AC_MSG_RESULT($ac_cv_struct_addrinfo) if test $ac_cv_struct_addrinfo = yes; then AC_DEFINE(HAVE_ADDRINFO, 1, [struct addrinfo (netdb.h)]) fi AC_MSG_CHECKING(for sockaddr_storage) AC_CACHE_VAL(ac_cv_struct_sockaddr_storage, AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ # include # include ]], [[struct sockaddr_storage s]])], [ac_cv_struct_sockaddr_storage=yes], [ac_cv_struct_sockaddr_storage=no])) AC_MSG_RESULT($ac_cv_struct_sockaddr_storage) if test $ac_cv_struct_sockaddr_storage = yes; then AC_DEFINE(HAVE_SOCKADDR_STORAGE, 1, [struct sockaddr_storage (sys/socket.h)]) fi # checks for compiler characteristics AC_C_CHAR_UNSIGNED AC_C_CONST works=no AC_MSG_CHECKING(for working volatile) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[volatile int x; x = 0;]])], [works=yes], [AC_DEFINE(volatile, , [Define to empty if the keyword does not work.])] ) AC_MSG_RESULT($works) works=no AC_MSG_CHECKING(for working signed char) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[signed char c;]])], [works=yes], [AC_DEFINE(signed, , [Define to empty if the keyword does not work.])] ) AC_MSG_RESULT($works) have_prototypes=no AC_MSG_CHECKING(for prototypes) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[int foo(int x) { return 0; }]], [[return foo(10);]])], [AC_DEFINE(HAVE_PROTOTYPES, 1, [Define if your compiler supports function prototype]) have_prototypes=yes], [] ) AC_MSG_RESULT($have_prototypes) works=no AC_MSG_CHECKING(for variable length prototypes and stdarg.h) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #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($works) # check for socketpair AC_MSG_CHECKING(for socketpair) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include #include ]], [[void *x=socketpair]])], [AC_DEFINE(HAVE_SOCKETPAIR, 1, [Define if you have the 'socketpair' function.]) AC_MSG_RESULT(yes)], [AC_MSG_RESULT(no)] ) # check if sockaddr has sa_len member AC_MSG_CHECKING(if sockaddr has sa_len member) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include #include ]], [[struct sockaddr x; x.sa_len = 0;]])], [AC_MSG_RESULT(yes) AC_DEFINE(HAVE_SOCKADDR_SA_LEN, 1, [Define if sockaddr has sa_len member])], [AC_MSG_RESULT(no)] ) va_list_is_array=no AC_MSG_CHECKING(whether va_list is an array) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #ifdef HAVE_STDARG_PROTOTYPES #include #else #include #endif ]], [[va_list list1, list2; list1 = list2;]])],[],[ AC_DEFINE(VA_LIST_IS_ARRAY, 1, [Define if a va_list is an array of some kind]) va_list_is_array=yes ]) AC_MSG_RESULT($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 $MY_CFLAGS" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ # include ]], [[ char *name; struct hostent *he, *res; char buffer[2048]; int buflen = 2048; int h_errnop; (void) gethostbyname_r(name, he, buffer, buflen, &res, &h_errnop) ]])],[ AC_DEFINE(HAVE_GETHOSTBYNAME_R) AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1, [Define this if you have the 6-arg version of gethostbyname_r().]) AC_MSG_RESULT(yes) ],[ AC_MSG_RESULT(no) AC_MSG_CHECKING([gethostbyname_r with 5 args]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ # include ]], [[ char *name; struct hostent *he; char buffer[2048]; int buflen = 2048; int h_errnop; (void) gethostbyname_r(name, he, buffer, buflen, &h_errnop) ]])], [ AC_DEFINE(HAVE_GETHOSTBYNAME_R) AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1, [Define this if you have the 5-arg version of gethostbyname_r().]) AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) AC_MSG_CHECKING([gethostbyname_r with 3 args]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ # include ]], [[ char *name; struct hostent *he; struct hostent_data data; (void) gethostbyname_r(name, he, &data); ]])], [ AC_DEFINE(HAVE_GETHOSTBYNAME_R) AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1, [Define this if you have the 3-arg version of gethostbyname_r().]) AC_MSG_RESULT(yes) ], [ AC_MSG_RESULT(no) ]) ]) ]) CFLAGS=$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, AS_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 $ac_sys_system in Darwin) ;; *) LIBM=-lm esac AC_MSG_CHECKING(for --with-libm=STRING) AC_ARG_WITH(libm, AS_HELP_STRING([--with-libm=STRING], [math library]), [ if test "$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, AS_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="$LIBC")]) # ************************************************** # * Check for various properties of floating point * # ************************************************** AC_MSG_CHECKING(whether C doubles are little-endian IEEE 754 binary64) AC_CACHE_VAL(ac_cv_little_endian_double, [ AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include int main() { double x = 9006104071832581.0; if (memcmp(&x, "\x05\x04\x03\x02\x01\xff\x3f\x43", 8) == 0) return 0; else return 1; } ]])], [ac_cv_little_endian_double=yes], [ac_cv_little_endian_double=no], [ac_cv_little_endian_double=no])]) AC_MSG_RESULT($ac_cv_little_endian_double) if test "$ac_cv_little_endian_double" = yes then AC_DEFINE(DOUBLE_IS_LITTLE_ENDIAN_IEEE754, 1, [Define if C doubles are 64-bit IEEE 754 binary format, stored with the least significant byte first]) fi AC_MSG_CHECKING(whether C doubles are big-endian IEEE 754 binary64) AC_CACHE_VAL(ac_cv_big_endian_double, [ AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include int main() { double x = 9006104071832581.0; if (memcmp(&x, "\x43\x3f\xff\x01\x02\x03\x04\x05", 8) == 0) return 0; else return 1; } ]])], [ac_cv_big_endian_double=yes], [ac_cv_big_endian_double=no], [ac_cv_big_endian_double=no])]) AC_MSG_RESULT($ac_cv_big_endian_double) if test "$ac_cv_big_endian_double" = yes then AC_DEFINE(DOUBLE_IS_BIG_ENDIAN_IEEE754, 1, [Define if C doubles are 64-bit IEEE 754 binary format, stored with the most significant byte first]) fi # Some ARM platforms use a mixed-endian representation for doubles. # While Python doesn't currently have full support for these platforms # (see e.g., issue 1762561), we can at least make sure that float <-> string # conversions work. AC_MSG_CHECKING(whether C doubles are ARM mixed-endian IEEE 754 binary64) AC_CACHE_VAL(ac_cv_mixed_endian_double, [ AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include int main() { double x = 9006104071832581.0; if (memcmp(&x, "\x01\xff\x3f\x43\x05\x04\x03\x02", 8) == 0) return 0; else return 1; } ]])], [ac_cv_mixed_endian_double=yes], [ac_cv_mixed_endian_double=no], [ac_cv_mixed_endian_double=no])]) AC_MSG_RESULT($ac_cv_mixed_endian_double) if test "$ac_cv_mixed_endian_double" = yes then AC_DEFINE(DOUBLE_IS_ARM_MIXED_ENDIAN_IEEE754, 1, [Define if C doubles are 64-bit IEEE 754 binary format, stored in ARM mixed-endian order (byte order 45670123)]) fi # The short float repr introduced in Python 3.1 requires the # correctly-rounded string <-> double conversion functions from # Python/dtoa.c, which in turn require that the FPU uses 53-bit # rounding; this is a problem on x86, where the x87 FPU has a default # rounding precision of 64 bits. For gcc/x86, we can fix this by # using inline assembler to get and set the x87 FPU control word. # This inline assembler syntax may also work for suncc and icc, # so we try it on all platforms. AC_MSG_CHECKING(whether we can use gcc inline assembler to get and set x87 control word) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ unsigned short cw; __asm__ __volatile__ ("fnstcw %0" : "=m" (cw)); __asm__ __volatile__ ("fldcw %0" : : "m" (cw)); ]])],[have_gcc_asm_for_x87=yes],[have_gcc_asm_for_x87=no]) AC_MSG_RESULT($have_gcc_asm_for_x87) if test "$have_gcc_asm_for_x87" = yes then AC_DEFINE(HAVE_GCC_ASM_FOR_X87, 1, [Define if we can use gcc inline assembler to get and set x87 control word]) fi # 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) # $BASECFLAGS may affect the result ac_save_cc="$CC" CC="$CC $BASECFLAGS" AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include #include int main() { volatile double x, y, z; /* 1./(1-2**-53) -> 1+2**-52 (correct), 1.0 (double rounding) */ x = 0.99999999999999989; /* 1-2**-53 */ y = 1./x; if (y != 1.) exit(0); /* 1e16+2.99999 -> 1e16+2. (correct), 1e16+4. (double rounding) */ x = 1e16; y = 2.99999; z = x + y; if (z != 1e16+4.) exit(0); /* both tests show evidence of double rounding */ exit(1); } ]])], [ac_cv_x87_double_rounding=no], [ac_cv_x87_double_rounding=yes], [ac_cv_x87_double_rounding=no]) CC="$ac_save_cc" 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 # ************************************ # * Check for mathematical functions * # ************************************ LIBS_SAVE=$LIBS LIBS="$LIBS $LIBM" AC_CHECK_FUNCS([acosh asinh atanh copysign erf erfc expm1 finite gamma]) AC_CHECK_FUNCS([hypot lgamma log1p log2 round tgamma]) AC_CHECK_DECLS([isinf, isnan, isfinite], [], [], [[#include ]]) # On FreeBSD 6.2, it appears that tanh(-0.) returns 0. instead of # -0. on some architectures. AC_MSG_CHECKING(whether tanh preserves the sign of zero) AC_CACHE_VAL(ac_cv_tanh_preserves_zero_sign, [ AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include #include int main() { /* return 0 if either negative zeros don't exist on this platform or if negative zeros exist and tanh(-0.) == -0. */ if (atan2(0., -1.) == atan2(-0., -1.) || atan2(tanh(-0.), -1.) == atan2(-0., -1.)) exit(0); else exit(1); } ]])], [ac_cv_tanh_preserves_zero_sign=yes], [ac_cv_tanh_preserves_zero_sign=no], [ac_cv_tanh_preserves_zero_sign=no])]) AC_MSG_RESULT($ac_cv_tanh_preserves_zero_sign) if test "$ac_cv_tanh_preserves_zero_sign" = yes then AC_DEFINE(TANH_PRESERVES_ZERO_SIGN, 1, [Define if tanh(-0.) is -0., or if platform doesn't have signed zeros]) fi if test "$ac_cv_func_log1p" = yes then # On some versions of AIX, log1p(-0.) returns 0. instead of # -0. See issue #9920. AC_MSG_CHECKING(whether log1p drops the sign of negative zero) AC_CACHE_VAL(ac_cv_log1p_drops_zero_sign, [ AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include #include int main() { /* Fail if the signs of log1p(-0.) and -0. can be distinguished. */ if (atan2(log1p(-0.), -1.) == atan2(-0., -1.)) return 0; else return 1; } ]])], [ac_cv_log1p_drops_zero_sign=no], [ac_cv_log1p_drops_zero_sign=yes], [ac_cv_log1p_drops_zero_sign=no])]) AC_MSG_RESULT($ac_cv_log1p_drops_zero_sign) fi if test "$ac_cv_log1p_drops_zero_sign" = yes then AC_DEFINE(LOG1P_DROPS_ZERO_SIGN, 1, [Define if log1p(-0.) is 0. rather than -0.]) fi LIBS=$LIBS_SAVE # For multiprocessing module, check that sem_open # actually works. For FreeBSD versions <= 7.2, # the kernel module that provides POSIX semaphores # isn't loaded by default, so an attempt to call # sem_open results in a 'Signal 12' error. AC_MSG_CHECKING(whether POSIX semaphores are enabled) AC_CACHE_VAL(ac_cv_posix_semaphores_enabled, AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include #include #include #include #include int main(void) { sem_t *a = sem_open("/autoconf", O_CREAT, S_IRUSR|S_IWUSR, 0); if (a == SEM_FAILED) { perror("sem_open"); return 1; } sem_close(a); sem_unlink("/autoconf"); return 0; } ]])], [ac_cv_posix_semaphores_enabled=yes], [ac_cv_posix_semaphores_enabled=no], [ac_cv_posix_semaphores_enabled=yes]) ) AC_MSG_RESULT($ac_cv_posix_semaphores_enabled) if test $ac_cv_posix_semaphores_enabled = no then AC_DEFINE(POSIX_SEMAPHORES_NOT_ENABLED, 1, [Define if POSIX semaphores aren't enabled on your system]) fi # Multiprocessing check for broken sem_getvalue AC_MSG_CHECKING(for broken sem_getvalue) AC_CACHE_VAL(ac_cv_broken_sem_getvalue, AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include #include #include #include #include int main(void){ sem_t *a = sem_open("/autocftw", O_CREAT, S_IRUSR|S_IWUSR, 0); int count; int res; if(a==SEM_FAILED){ perror("sem_open"); return 1; } res = sem_getvalue(a, &count); sem_close(a); sem_unlink("/autocftw"); return res==-1 ? 1 : 0; } ]])], [ac_cv_broken_sem_getvalue=no], [ac_cv_broken_sem_getvalue=yes], [ac_cv_broken_sem_getvalue=yes]) ) AC_MSG_RESULT($ac_cv_broken_sem_getvalue) if test $ac_cv_broken_sem_getvalue = yes then AC_DEFINE(HAVE_BROKEN_SEM_GETVALUE, 1, [define to 1 if your sem_getvalue is broken.]) fi # determine what size digit to use for Python's longs AC_MSG_CHECKING([digit size for Python's longs]) AC_ARG_ENABLE(big-digits, AS_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_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #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_RUN_IFELSE([AC_LANG_SOURCE([[ #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($ac_cv_wchar_t_signed) fi AC_MSG_CHECKING(what type to use for str) AC_ARG_WITH(wide-unicode, AS_HELP_STRING([--with-wide-unicode], [Use 4-byte Unicode characters (default is 2 bytes)]), [ if test "$withval" != no then unicode_size="4" else unicode_size="2" fi ], [ case "$have_ucs4_tcl" in yes) unicode_size="4";; *) unicode_size="2" ;; esac ]) AH_TEMPLATE(Py_UNICODE_SIZE, [Define as the size of the unicode type.]) case "$unicode_size" in 4) AC_DEFINE(Py_UNICODE_SIZE, 4) ABIFLAGS="${ABIFLAGS}u" ;; *) AC_DEFINE(Py_UNICODE_SIZE, 2) ;; esac AH_TEMPLATE(PY_UNICODE_TYPE, [Define as the integral type used for Unicode representation.]) # wchar_t is only usable if it maps to an unsigned type if test "$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($PY_UNICODE_TYPE) # check for endianness AC_C_BIGENDIAN # ABI version string for Python extension modules. This appears between the # periods in shared library file names, e.g. foo..so. It is calculated # from the following attributes which affect the ABI of this Python build (in # this order): # # * The Python implementation (always 'cpython-' for us) # * The major and minor version numbers # * --with-pydebug (adds a 'd') # * --with-pymalloc (adds a 'm') # * --with-wide-unicode (adds a 'u') # # Thus for example, Python 3.2 built with wide unicode, pydebug, and pymalloc, # would get a shared library ABI version tag of 'cpython-32dmu' and shared # libraries would be named 'foo.cpython-32dmu.so'. AC_SUBST(SOABI) AC_MSG_CHECKING(ABIFLAGS) AC_MSG_RESULT($ABIFLAGS) AC_MSG_CHECKING(SOABI) SOABI='cpython-'`echo $VERSION | tr -d .`${ABIFLAGS} AC_MSG_RESULT($SOABI) AC_MSG_CHECKING(LDVERSION) LDVERSION='$(VERSION)$(ABIFLAGS)' AC_MSG_RESULT($LDVERSION) # 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 $ac_sys_system in hp*|HP*) case `uname -m` in ia64) SO=.so;; *) SO=.sl;; esac ;; CYGWIN*) SO=.dll;; Linux*|GNU*) SO=.${SOABI}.so;; *) 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($SO) # Check whether right shifting a negative integer extends the sign bit # or fills with zeros (like the Cray J90, according to Tim Peters). AC_MSG_CHECKING(whether right shift extends the sign bit) AC_CACHE_VAL(ac_cv_rshift_extends_sign, [ AC_RUN_IFELSE([AC_LANG_SOURCE([[ int main() { exit(((-1)>>3 == -1) ? 0 : 1); } ]])], [ac_cv_rshift_extends_sign=yes], [ac_cv_rshift_extends_sign=no], [ac_cv_rshift_extends_sign=yes])]) AC_MSG_RESULT($ac_cv_rshift_extends_sign) if test "$ac_cv_rshift_extends_sign" = no then AC_DEFINE(SIGNED_RIGHT_SHIFT_ZERO_FILLS, 1, [Define if i>>j for signed int i does not extend the sign bit when i < 0]) fi # check for getc_unlocked and related locking functions AC_MSG_CHECKING(for getc_unlocked() and friends) AC_CACHE_VAL(ac_cv_have_getc_unlocked, [ AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ FILE *f = fopen("/dev/null", "r"); flockfile(f); getc_unlocked(f); funlockfile(f); ]])],[ac_cv_have_getc_unlocked=yes],[ac_cv_have_getc_unlocked=no])]) AC_MSG_RESULT($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_PREPROC_IFELSE([AC_LANG_SOURCE([[#include ]])], [have_readline=yes], [have_readline=no] ) if test $have_readline = yes then AC_EGREP_HEADER([extern int rl_completion_append_character;], [readline/readline.h], AC_DEFINE(HAVE_RL_COMPLETION_APPEND_CHARACTER, 1, [Define if you have readline 2.2]), ) AC_EGREP_HEADER([extern int rl_completion_suppress_append;], [readline/readline.h], AC_DEFINE(HAVE_RL_COMPLETION_SUPPRESS_APPEND, 1, [Define if you have rl_completion_suppress_append]), ) fi # check for readline 4.0 AC_CHECK_LIB(readline, rl_pre_input_hook, AC_DEFINE(HAVE_RL_PRE_INPUT_HOOK, 1, [Define if you have readline 4.0]), ,$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_PREPROC_IFELSE([AC_LANG_SOURCE([[#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_RUN_IFELSE([AC_LANG_SOURCE([[ 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_CACHE_VAL(ac_cv_broken_poll, AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include int main() { struct pollfd poll_struct = { 42, POLLIN|POLLPRI|POLLOUT, 0 }; int poll_test; close (42); poll_test = poll(&poll_struct, 1, 0); if (poll_test < 0) return 0; else if (poll_test == 0 && poll_struct.revents != POLLNVAL) return 0; else return 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_RUN_IFELSE([AC_LANG_SOURCE([[ #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_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ struct stat st; st.st_mtim.tv_nsec = 1; ]])], [ac_cv_stat_tv_nsec=yes], [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_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ struct stat st; st.st_mtimespec.tv_nsec = 1; ]])], [ac_cv_stat_tv_nsec2=yes], [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_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ int rtn; rtn = mvwdelch(0,0,0); ]])], [ac_cv_mvwdelch_is_expression=yes], [ac_cv_mvwdelch_is_expression=no])) 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_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ WINDOW *w; w->_flags = 0; ]])], [ac_cv_window_has_flags=yes], [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_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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_COMPILE_IFELSE([AC_LANG_PROGRAM([[#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 if test "$have_long_long" = yes then AC_MSG_CHECKING(for %lld and %llu printf() format support) AC_CACHE_VAL(ac_cv_have_long_long_format, AC_RUN_IFELSE([AC_LANG_SOURCE([[[ #include #include #include #ifdef HAVE_SYS_TYPES_H #include #endif int main() { char buffer[256]; if (sprintf(buffer, "%lld", (long long)123) < 0) return 1; if (strcmp(buffer, "123")) return 1; if (sprintf(buffer, "%lld", (long long)-123) < 0) return 1; if (strcmp(buffer, "-123")) return 1; if (sprintf(buffer, "%llu", (unsigned long long)123) < 0) return 1; if (strcmp(buffer, "123")) return 1; return 0; } ]]])], [ac_cv_have_long_long_format=yes], [ac_cv_have_long_long_format=no], [ac_cv_have_long_long_format=no]) ) AC_MSG_RESULT($ac_cv_have_long_long_format) fi if test "$ac_cv_have_long_long_format" = yes then AC_DEFINE(PY_FORMAT_LONG_LONG, "ll", [Define to printf format modifier for long long type]) fi if test $ac_sys_system = Darwin then LIBS="$LIBS -framework CoreFoundation" fi AC_CACHE_CHECK([for %zd printf() format support], ac_cv_have_size_t_format, [dnl AC_RUN_IFELSE([AC_LANG_SOURCE([[ #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_cv_have_size_t_format=yes], [ac_cv_have_size_t_format=no], [ac_cv_have_size_t_format="cross -- assuming yes" ])]) if test "$ac_cv_have_size_t_format" != no ; then AC_DEFINE(PY_FORMAT_SIZE_T, "z", [Define to printf format modifier for Py_ssize_t]) fi AC_CHECK_TYPE(socklen_t,, AC_DEFINE(socklen_t,int, [Define to `int' if does not define.]),[ #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif ]) AC_MSG_CHECKING(for broken mbstowcs) AC_CACHE_VAL(ac_cv_broken_mbstowcs, AC_RUN_IFELSE([AC_LANG_SOURCE([[ #include int main() { size_t len = -1; const char *str = "text"; len = mbstowcs(NULL, str, 0); return (len != 4); } ]])], [ac_cv_broken_mbstowcs=no], [ac_cv_broken_mbstowcs=yes], [ac_cv_broken_mbstowcs=no])) AC_MSG_RESULT($ac_cv_broken_mbstowcs) if test "$ac_cv_broken_mbstowcs" = yes then AC_DEFINE(HAVE_BROKEN_MBSTOWCS, 1, [Define if mbstowcs(NULL, "text", 0) does not return the number of wide chars that would be converted.]) fi AC_MSG_CHECKING(whether $CC supports computed gotos) AC_CACHE_VAL(ac_cv_computed_gotos, AC_RUN_IFELSE([AC_LANG_SOURCE([[[ int main(int argc, char **argv) { static void *targets[1] = { &&LABEL1 }; goto LABEL2; LABEL1: return 0; LABEL2: goto *targets[0]; return 1; } ]]])], [ac_cv_computed_gotos=yes], [ac_cv_computed_gotos=no], [ac_cv_computed_gotos=no])) AC_MSG_RESULT($ac_cv_computed_gotos) if test "$ac_cv_computed_gotos" = yes then AC_DEFINE(HAVE_COMPUTED_GOTOS, 1, [Define if the C compiler supports computed gotos.]) fi # Check for --with-computed-gotos AC_MSG_CHECKING(for --with-computed-gotos) AC_ARG_WITH(computed-gotos, AS_HELP_STRING([--with(out)-computed-gotos], [Use computed gotos in evaluation loop (enabled by default on supported compilers)]), [ if test "$withval" = yes then AC_DEFINE(USE_COMPUTED_GOTOS, 1, [Define if you want to use computed gotos in ceval.c.]) AC_MSG_RESULT(yes) fi if test "$withval" = no then AC_DEFINE(USE_COMPUTED_GOTOS, 0, [Define if you want to use computed gotos in ceval.c.]) AC_MSG_RESULT(no) fi ], [AC_MSG_RESULT(no value specified)]) case $ac_sys_system in AIX*) AC_DEFINE(HAVE_BROKEN_PIPE_BUF, 1, [Define if the system reports an invalid PIPE_BUF value.]) ;; esac 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 Misc/python.pc) AC_CONFIG_FILES([Modules/ld_so_aix], [chmod +x Modules/ld_so_aix]) 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 mv config.c Modules