diff options
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index e7649140..31378756 100644 --- a/configure.ac +++ b/configure.ac @@ -175,9 +175,17 @@ dnl *** checks for library functions *** LIBS_SAVE=$LIBS LIBS="$LIBS $LIBM" -AC_CHECK_FUNCS(rint sinh cosh asinh) +AC_CHECK_FUNCS(rint sinh cosh asinh fpclass) LIBS=$LIBS_SAVE +dnl Check whether isinf() is defined by math.h +AC_CACHE_CHECK([for isinf], ac_cv_have_isinf, + AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]], [[float f = 0.0; int i=isinf(f)]])],[ac_cv_have_isinf="yes"],[ac_cv_have_isinf="no"])) +if test "$ac_cv_have_isinf" = "yes" +then + AC_DEFINE(HAVE_ISINF, 1, [Define to 1 if you have the `isinf' function.]) +fi + dnl Check for mmap (needed by electricfence plugin) AC_FUNC_MMAP AM_CONDITIONAL(GST_HAVE_MMAP, test "x$ac_cv_func_mmap_fixed_mapped" == "xyes") |