diff options
author | fxcoudert <fxcoudert@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-10-28 20:13:20 +0000 |
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committer | fxcoudert <fxcoudert@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-10-28 20:13:20 +0000 |
commit | aaa798baf3b5979cdf852a3ff923a5cef965f9ec (patch) | |
tree | 63c0066d3282fbbc40206a8f80b8a22b789be2f8 /libgfortran/acinclude.m4 | |
parent | 442ca76b4d87b6a74afb85398f3f68aede0b41e4 (diff) |
* acinclude.m4 (LIBGFOR_CHECK_FPSETMASK): New check.
* configure.ac: Check for floatingpoint.h, fptrap.h and float.h
headers. Use LIBGFOR_CHECK_FPSETMASK. Check for fp_trap and
fp_enable functions.
* configure.host: Add case for systems with fpsetmask and systems
with fp_trap/fp_enable.
* config/fpu-sysv.h: New file, FPU code using fpsetmask.
* config/fpu-aix.h: New file, FPU code for AIX using fp_trap and
fp_enable.
* aclocal.m4: Regenerate.
* configure: Regenerate.
* config.h.in: Regenerate.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@105956 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libgfortran/acinclude.m4')
-rw-r--r-- | libgfortran/acinclude.m4 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/libgfortran/acinclude.m4 b/libgfortran/acinclude.m4 index a94dafafacb..857733a2e35 100644 --- a/libgfortran/acinclude.m4 +++ b/libgfortran/acinclude.m4 @@ -384,3 +384,20 @@ esac])]) if test x"$have_working_stat" = xyes; then AC_DEFINE(HAVE_WORKING_STAT, 1, [Define if target has a reliable stat.]) fi]) + +dnl Checks for fpsetmask function. +AC_DEFUN([LIBGFOR_CHECK_FPSETMASK], [ + AC_CACHE_CHECK([whether fpsetmask is present], have_fpsetmask, [ + AC_TRY_LINK([ +#if HAVE_FLOATINGPOINT_H +# include <floatingpoint.h> +#endif /* HAVE_FLOATINGPOINT_H */ +#if HAVE_IEEEFP_H +# include <ieeefp.h> +#endif /* HAVE_IEEEFP_H */],[fpsetmask(0);], + eval "have_fpsetmask=yes", eval "have_fpsetmask=no") + ]) + if test x"$have_fpsetmask" = xyes; then + AC_DEFINE(HAVE_FPSETMASK, 1, [Define if you have fpsetmask.]) + fi +]) |