diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/configure.ac b/configure.ac index 900967492d..beb352dbe9 100644 --- a/configure.ac +++ b/configure.ac @@ -1916,17 +1916,7 @@ AS_CASE(["$target_os"], AC_CHECK_HEADERS(sys/pstat.h) -AC_CACHE_CHECK(for signbit, rb_cv_have_signbit, - [AC_LINK_IFELSE([AC_LANG_PROGRAM([[ -#include <math.h> -]], [[int v = signbit(-0.0);]])], - rb_cv_have_signbit=yes, - rb_cv_have_signbit=no)]) -AS_IF([test "$rb_cv_have_signbit" = yes], [ - AC_DEFINE(HAVE_SIGNBIT) -], [ - AC_LIBOBJ([signbit]) -]) +AC_DEFINE(HAVE_SIGNBIT) # C99; backward compatibility AC_FUNC_FORK |