X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=libgfortran%2Facinclude.m4;h=33552871001e9e246b8c57fdba06548ec7e6e9c3;hb=8e5b4ed6c154892fb2ef2619fff6b32445ca8ba6;hp=1660b6e75e6af03e3170eced7b4fb0f8b03faa30;hpb=e93cd3187c29f422d142eaa6de64175ae89efbee;p=pf3gnuchains%2Fgcc-fork.git diff --git a/libgfortran/acinclude.m4 b/libgfortran/acinclude.m4 index 1660b6e75e6..33552871001 100644 --- a/libgfortran/acinclude.m4 +++ b/libgfortran/acinclude.m4 @@ -27,37 +27,17 @@ AC_DEFUN([AC_LIBTOOL_DLOPEN]) AC_DEFUN([AC_PROG_LD]) ]) -dnl Check whether the target is ILP32. -AC_DEFUN([LIBGFOR_TARGET_ILP32], [ - AC_CACHE_CHECK([whether the target is ILP32], target_ilp32, [ - save_CFLAGS="$CFLAGS" - CFLAGS="-O2" - AC_TRY_LINK(,[ -if (sizeof(int) == 4 && sizeof(long) == 4 && sizeof(void *) == 4) - ; -else - undefined_function (); - ], - target_ilp32=yes, - target_ilp32=no) - CFLAGS="$save_CFLAGS"]) - if test $target_ilp32 = yes; then - AC_DEFINE(TARGET_ILP32, 1, - [Define to 1 if the target is ILP32.]) - fi - ]) - dnl Check whether the target supports hidden visibility. AC_DEFUN([LIBGFOR_CHECK_ATTRIBUTE_VISIBILITY], [ AC_CACHE_CHECK([whether the target supports hidden visibility], - have_attribute_visibility, [ + libgfor_cv_have_attribute_visibility, [ save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror" AC_TRY_COMPILE([void __attribute__((visibility("hidden"))) foo(void) { }], - [], have_attribute_visibility=yes, - have_attribute_visibility=no) + [], libgfor_cv_have_attribute_visibility=yes, + libgfor_cv_have_attribute_visibility=no) CFLAGS="$save_CFLAGS"]) - if test $have_attribute_visibility = yes; then + if test $libgfor_cv_have_attribute_visibility = yes; then AC_DEFINE(HAVE_ATTRIBUTE_VISIBILITY, 1, [Define to 1 if the target supports __attribute__((visibility(...))).]) fi]) @@ -65,14 +45,14 @@ AC_DEFUN([LIBGFOR_CHECK_ATTRIBUTE_VISIBILITY], [ dnl Check whether the target supports dllexport AC_DEFUN([LIBGFOR_CHECK_ATTRIBUTE_DLLEXPORT], [ AC_CACHE_CHECK([whether the target supports dllexport], - have_attribute_dllexport, [ + libgfor_cv_have_attribute_dllexport, [ save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Werror" AC_TRY_COMPILE([void __attribute__((dllexport)) foo(void) { }], - [], have_attribute_dllexport=yes, - have_attribute_dllexport=no) + [], libgfor_cv_have_attribute_dllexport=yes, + libgfor_cv_have_attribute_dllexport=no) CFLAGS="$save_CFLAGS"]) - if test $have_attribute_dllexport = yes; then + if test $libgfor_cv_have_attribute_dllexport = yes; then AC_DEFINE(HAVE_ATTRIBUTE_DLLEXPORT, 1, [Define to 1 if the target supports __attribute__((dllexport)).]) fi]) @@ -80,12 +60,12 @@ AC_DEFUN([LIBGFOR_CHECK_ATTRIBUTE_DLLEXPORT], [ dnl Check whether the target supports symbol aliases. AC_DEFUN([LIBGFOR_CHECK_ATTRIBUTE_ALIAS], [ AC_CACHE_CHECK([whether the target supports symbol aliases], - have_attribute_alias, [ + libgfor_cv_have_attribute_alias, [ AC_TRY_LINK([ void foo(void) { } extern void bar(void) __attribute__((alias("foo")));], - [bar();], have_attribute_alias=yes, have_attribute_alias=no)]) - if test $have_attribute_alias = yes; then + [bar();], libgfor_cv_have_attribute_alias=yes, libgfor_cv_have_attribute_alias=no)]) + if test $libgfor_cv_have_attribute_alias = yes; then AC_DEFINE(HAVE_ATTRIBUTE_ALIAS, 1, [Define to 1 if the target supports __attribute__((alias(...))).]) fi]) @@ -93,12 +73,12 @@ extern void bar(void) __attribute__((alias("foo")));], dnl Check whether the target supports __sync_fetch_and_add. AC_DEFUN([LIBGFOR_CHECK_SYNC_FETCH_AND_ADD], [ AC_CACHE_CHECK([whether the target supports __sync_fetch_and_add], - have_sync_fetch_and_add, [ + libgfor_cv_have_sync_fetch_and_add, [ AC_TRY_LINK([int foovar = 0;], [ if (foovar <= 0) return __sync_fetch_and_add (&foovar, 1); if (foovar > 10) return __sync_add_and_fetch (&foovar, -1);], - have_sync_fetch_and_add=yes, have_sync_fetch_and_add=no)]) - if test $have_sync_fetch_and_add = yes; then + libgfor_cv_have_sync_fetch_and_add=yes, libgfor_cv_have_sync_fetch_and_add=no)]) + if test $libgfor_cv_have_sync_fetch_and_add = yes; then AC_DEFINE(HAVE_SYNC_FETCH_AND_ADD, 1, [Define to 1 if the target supports __sync_fetch_and_add]) fi]) @@ -106,10 +86,10 @@ if (foovar > 10) return __sync_add_and_fetch (&foovar, -1);], dnl Check if threads are supported. AC_DEFUN([LIBGFOR_CHECK_GTHR_DEFAULT], [ AC_CACHE_CHECK([configured target thread model], - target_thread_file, [ -target_thread_file=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`]) + libgfor_cv_target_thread_file, [ +libgfor_cv_target_thread_file=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`]) - if test $target_thread_file != single; then + if test $libgfor_cv_target_thread_file != single; then AC_DEFINE(HAVE_GTHR_DEFAULT, 1, [Define if the compiler has a thread header that is non single.]) fi]) @@ -117,18 +97,18 @@ target_thread_file=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`]) dnl Check for pragma weak. AC_DEFUN([LIBGFOR_GTHREAD_WEAK], [ AC_CACHE_CHECK([whether pragma weak works], - have_pragma_weak, [ + libgfor_cv_have_pragma_weak, [ gfor_save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Wunknown-pragmas" AC_TRY_COMPILE([void foo (void); #pragma weak foo], [if (foo) foo ();], - have_pragma_weak=yes, have_pragma_weak=no)]) - if test $have_pragma_weak = yes; then + libgfor_cv_have_pragma_weak=yes, libgfor_cv_have_pragma_weak=no)]) + if test $libgfor_cv_have_pragma_weak = yes; then AC_DEFINE(SUPPORTS_WEAK, 1, [Define to 1 if the target supports #pragma weak]) fi case "$host" in - *-*-darwin* | *-*-hpux* | *-*-cygwin*) + *-*-darwin* | *-*-hpux* | *-*-cygwin* | *-*-mingw* ) AC_DEFINE(GTHREAD_USE_WEAK, 0, [Define to 0 if the target shouldn't use #pragma weak]) ;; @@ -137,7 +117,7 @@ AC_DEFUN([LIBGFOR_GTHREAD_WEAK], [ dnl Check whether target can unlink a file still open. AC_DEFUN([LIBGFOR_CHECK_UNLINK_OPEN_FILE], [ AC_CACHE_CHECK([whether the target can unlink an open file], - have_unlink_open_file, [ + libgfor_cv_have_unlink_open_file, [ AC_TRY_RUN([ #include #include @@ -160,19 +140,19 @@ int main () return 0; else return 1; -}], have_unlink_open_file=yes, have_unlink_open_file=no, [ +}], libgfor_cv_have_unlink_open_file=yes, libgfor_cv_have_unlink_open_file=no, [ case "${target}" in - *mingw*) have_unlink_open_file=no ;; - *) have_unlink_open_file=yes;; + *mingw*) libgfor_cv_have_unlink_open_file=no ;; + *) libgfor_cv_have_unlink_open_file=yes;; esac])]) -if test x"$have_unlink_open_file" = xyes; then +if test x"$libgfor_cv_have_unlink_open_file" = xyes; then AC_DEFINE(HAVE_UNLINK_OPEN_FILE, 1, [Define if target can unlink open files.]) fi]) dnl Check whether CRLF is the line terminator AC_DEFUN([LIBGFOR_CHECK_CRLF], [ AC_CACHE_CHECK([whether the target has CRLF as line terminator], - have_crlf, [ + libgfor_cv_have_crlf, [ AC_TRY_RUN([ /* This test program should exit with status 0 if system uses a CRLF as line terminator, and status 1 otherwise. @@ -207,12 +187,12 @@ int main () else exit(1); #endif -}], have_crlf=yes, have_crlf=no, [ +}], libgfor_cv_have_crlf=yes, libgfor_cv_have_crlf=no, [ case "${target}" in - *mingw*) have_crlf=yes ;; - *) have_crlf=no;; + *mingw*) libgfor_cv_have_crlf=yes ;; + *) libgfor_cv_have_crlf=no;; esac])]) -if test x"$have_crlf" = xyes; then +if test x"$libgfor_cv_have_crlf" = xyes; then AC_DEFINE(HAVE_CRLF, 1, [Define if CRLF is line terminator.]) fi]) @@ -220,13 +200,11 @@ dnl Check whether isfinite is broken. dnl The most common problem is that it does not work on long doubles. AC_DEFUN([LIBGFOR_CHECK_FOR_BROKEN_ISFINITE], [ AC_CACHE_CHECK([whether isfinite is broken], - have_broken_isfinite, [ + libgfor_cv_have_broken_isfinite, [ libgfor_check_for_broken_isfinite_save_LIBS=$LIBS LIBS="$LIBS -lm" AC_TRY_RUN([ -#ifdef HAVE_MATH_H #include -#endif #include int main () { @@ -239,13 +217,13 @@ int main () #endif #endif return 0; -}], have_broken_isfinite=no, have_broken_isfinite=yes, [ +}], libgfor_cv_have_broken_isfinite=no, libgfor_cv_have_broken_isfinite=yes, [ case "${target}" in - hppa*-*-hpux*) have_broken_isfinite=yes ;; - *) have_broken_isfinite=no ;; + hppa*-*-hpux*) libgfor_cv_have_broken_isfinite=yes ;; + *) libgfor_cv_have_broken_isfinite=no ;; esac])] LIBS=$libgfor_check_for_broken_isfinite_save_LIBS) -if test x"$have_broken_isfinite" = xyes; then +if test x"$libgfor_cv_have_broken_isfinite" = xyes; then AC_DEFINE(HAVE_BROKEN_ISFINITE, 1, [Define if isfinite is broken.]) fi]) @@ -253,13 +231,11 @@ dnl Check whether isnan is broken. dnl The most common problem is that it does not work on long doubles. AC_DEFUN([LIBGFOR_CHECK_FOR_BROKEN_ISNAN], [ AC_CACHE_CHECK([whether isnan is broken], - have_broken_isnan, [ + libgfor_cv_have_broken_isnan, [ libgfor_check_for_broken_isnan_save_LIBS=$LIBS LIBS="$LIBS -lm" AC_TRY_RUN([ -#ifdef HAVE_MATH_H #include -#endif #include int main () { @@ -290,13 +266,13 @@ int main () #endif #endif return 0; -}], have_broken_isnan=no, have_broken_isnan=yes, [ +}], libgfor_cv_have_broken_isnan=no, libgfor_cv_have_broken_isnan=yes, [ case "${target}" in - hppa*-*-hpux*) have_broken_isnan=yes ;; - *) have_broken_isnan=no ;; + hppa*-*-hpux*) libgfor_cv_have_broken_isnan=yes ;; + *) libgfor_cv_have_broken_isnan=no ;; esac])] LIBS=$libgfor_check_for_broken_isnan_save_LIBS) -if test x"$have_broken_isnan" = xyes; then +if test x"$libgfor_cv_have_broken_isnan" = xyes; then AC_DEFINE(HAVE_BROKEN_ISNAN, 1, [Define if isnan is broken.]) fi]) @@ -304,13 +280,11 @@ dnl Check whether fpclassify is broken. dnl The most common problem is that it does not work on long doubles. AC_DEFUN([LIBGFOR_CHECK_FOR_BROKEN_FPCLASSIFY], [ AC_CACHE_CHECK([whether fpclassify is broken], - have_broken_fpclassify, [ + libgfor_cv_have_broken_fpclassify, [ libgfor_check_for_broken_fpclassify_save_LIBS=$LIBS LIBS="$LIBS -lm" AC_TRY_RUN([ -#ifdef HAVE_MATH_H #include -#endif #include int main () { @@ -325,13 +299,13 @@ int main () #endif #endif return 0; -}], have_broken_fpclassify=no, have_broken_fpclassify=yes, [ +}], libgfor_cv_have_broken_fpclassify=no, libgfor_cv_have_broken_fpclassify=yes, [ case "${target}" in - hppa*-*-hpux*) have_broken_fpclassify=yes ;; - *) have_broken_fpclassify=no ;; + hppa*-*-hpux*) libgfor_cv_have_broken_fpclassify=yes ;; + *) libgfor_cv_have_broken_fpclassify=no ;; esac])] LIBS=$libgfor_check_for_broken_fpclassify_save_LIBS) -if test x"$have_broken_fpclassify" = xyes; then +if test x"$libgfor_cv_have_broken_fpclassify" = xyes; then AC_DEFINE(HAVE_BROKEN_FPCLASSIFY, 1, [Define if fpclassify is broken.]) fi]) @@ -340,7 +314,7 @@ dnl identify the file within the system. This is should be true for POSIX dnl systems; it is known to be false on mingw32. AC_DEFUN([LIBGFOR_CHECK_WORKING_STAT], [ AC_CACHE_CHECK([whether the target stat is reliable], - have_working_stat, [ + libgfor_cv_have_working_stat, [ AC_TRY_RUN([ #include #include @@ -361,18 +335,18 @@ int main () fclose(f); fclose(g); return 0; -}], have_working_stat=yes, have_working_stat=no, [ +}], libgfor_cv_have_working_stat=yes, libgfor_cv_have_working_stat=no, [ case "${target}" in - *mingw*) have_working_stat=no ;; - *) have_working_stat=yes;; + *mingw*) libgfor_cv_have_working_stat=no ;; + *) libgfor_cv_have_working_stat=yes;; esac])]) -if test x"$have_working_stat" = xyes; then +if test x"$libgfor_cv_have_working_stat" = xyes; then AC_DEFINE(HAVE_WORKING_STAT, 1, [Define if target has a reliable stat.]) fi]) dnl Checks for fpsetmask function. AC_DEFUN([LIBGFOR_CHECK_FPSETMASK], [ - AC_CACHE_CHECK([whether fpsetmask is present], have_fpsetmask, [ + AC_CACHE_CHECK([whether fpsetmask is present], libgfor_cv_have_fpsetmask, [ AC_TRY_LINK([ #if HAVE_FLOATINGPOINT_H # include @@ -380,9 +354,37 @@ AC_DEFUN([LIBGFOR_CHECK_FPSETMASK], [ #if HAVE_IEEEFP_H # include #endif /* HAVE_IEEEFP_H */],[fpsetmask(0);], - eval "have_fpsetmask=yes", eval "have_fpsetmask=no") + eval "libgfor_cv_have_fpsetmask=yes", eval "libgfor_cv_have_fpsetmask=no") ]) - if test x"$have_fpsetmask" = xyes; then + if test x"$libgfor_cv_have_fpsetmask" = xyes; then AC_DEFINE(HAVE_FPSETMASK, 1, [Define if you have fpsetmask.]) fi ]) + +dnl Check whether we have a mingw that provides a __mingw_snprintf function +AC_DEFUN([LIBGFOR_CHECK_MINGW_SNPRINTF], [ + AC_CACHE_CHECK([whether __mingw_snprintf is present], libgfor_cv_have_mingw_snprintf, [ + AC_TRY_LINK([ +#include +extern int __mingw_snprintf (char *, size_t, const char *, ...); +],[ +__mingw_snprintf (NULL, 0, "%d\n", 1); +], + eval "libgfor_cv_have_mingw_snprintf=yes", eval "libgfor_cv_have_mingw_snprintf=no") + ]) + if test x"$libgfor_cv_have_mingw_snprintf" = xyes; then + AC_DEFINE(HAVE_MINGW_SNPRINTF, 1, [Define if you have __mingw_snprintf.]) + fi +]) + +dnl Check whether we have a broken powf implementation +AC_DEFUN([LIBGFOR_CHECK_FOR_BROKEN_POWF], [ + AC_CACHE_CHECK([whether powf is broken], libgfor_cv_have_broken_powf, [ +case "${target}" in + hppa*64*-*-hpux*) libgfor_cv_have_broken_powf=yes ;; + *) libgfor_cv_have_broken_powf=no;; +esac]) + if test x"$libgfor_cv_have_broken_powf" = xyes; then + AC_DEFINE(HAVE_BROKEN_POWF, 1, [Define if powf is broken.]) + fi +])