diff options
| author | François-Xavier Coudert <fxcoudert@gcc.gnu.org> | 2005-10-28 20:13:20 +0000 |
|---|---|---|
| committer | François-Xavier Coudert <fxcoudert@gcc.gnu.org> | 2005-10-28 20:13:20 +0000 |
| commit | 3b14f6649a77f6c024a456f1c3a35df0662488bb (patch) | |
| tree | 63c0066d3282fbbc40206a8f80b8a22b789be2f8 /libgfortran/acinclude.m4 | |
| parent | 9b46f94ffa7a8c7e3ddc95980359c75858d09f9c (diff) | |
| download | gcc-3b14f6649a77f6c024a456f1c3a35df0662488bb.zip gcc-3b14f6649a77f6c024a456f1c3a35df0662488bb.tar.gz gcc-3b14f6649a77f6c024a456f1c3a35df0662488bb.tar.bz2 | |
acinclude.m4 (LIBGFOR_CHECK_FPSETMASK): New check.
* 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.
From-SVN: r105956
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 a94dafa..857733a 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 +]) |