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| author | Thomas Vander Stichele <thomas@apestaart.org> | 2002-04-27 08:58:59 +0000 |
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| committer | Thomas Vander Stichele <thomas@apestaart.org> | 2002-04-27 08:58:59 +0000 |
| commit | 9a511dd6628476fdb566a8722adea2d368aa2862 (patch) | |
| tree | 65328faf49c87ee8b5abe0afcdc5cc8dd2ce4285 /m4/lrint.m4 | |
| parent | 257ce1aea3c015acc3c28026cad9d42af6fcf232 (diff) | |
this should do it this is for steveb's added checks
Original commit message from CVS:
this should do it
this is for steveb's added checks
Diffstat (limited to 'm4/lrint.m4')
| -rw-r--r-- | m4/lrint.m4 | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/m4/lrint.m4 b/m4/lrint.m4 new file mode 100644 index 000000000..c60665cee --- /dev/null +++ b/m4/lrint.m4 @@ -0,0 +1,27 @@ +dnl @synopsis AC_C99_FUNC_LRINT +dnl +dnl Check whether C99's lrint function is available. +dnl @version 1.1 +dnl @author Erik de Castro Lopo <erikd AT mega-nerd DOT com> +dnl +dnl Permission to use, copy, modify, distribute, and sell this file for any +dnl purpose is hereby granted without fee, provided that the above copyright +dnl and this permission notice appear in all copies. No representations are +dnl made about the suitability of this software for any purpose. It is +dnl provided "as is" without express or implied warranty. +dnl +AC_DEFUN([AC_C99_FUNC_LRINT], +[AC_CACHE_CHECK(for lrint, + ac_cv_c99_lrint, +[AC_TRY_COMPILE([ +#define _ISOC9X_SOURCE 1 +#define _ISOC99_SOURCE 1 +#define __USE_ISOC99 1 +#define __USE_ISOC9X 1 +#include <math.h>], +[ int value = lrint (0.432) ; ], ac_cv_c99_lrint=yes, ac_cv_c99_lrint=no)]) +if test $ac_cv_c99_lrint = yes; then + AC_DEFINE(HAVE_LRINT, 1, + [Define if you have C99's lrint function.]) +fi +])# AC_C99_LRINT |