diff options
Diffstat (limited to 'autoconf/m4/huge_val.m4')
| -rw-r--r-- | autoconf/m4/huge_val.m4 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/autoconf/m4/huge_val.m4 b/autoconf/m4/huge_val.m4 index fd94c11c86..5fffbfc8d3 100644 --- a/autoconf/m4/huge_val.m4 +++ b/autoconf/m4/huge_val.m4 @@ -5,6 +5,7 @@ AC_DEFUN([AC_HUGE_VAL_CHECK],[ AC_CACHE_CHECK([for HUGE_VAL sanity], [ac_cv_huge_val_sanity],[ AC_LANG_PUSH([C++]) + ac_save_CXXFLAGS=$CXXFLAGS CXXFLAGS=-pedantic AC_RUN_IFELSE( AC_LANG_PROGRAM( @@ -12,6 +13,7 @@ AC_DEFUN([AC_HUGE_VAL_CHECK],[ [double x = HUGE_VAL; return x != x; ]), [ac_cv_huge_val_sanity=yes],[ac_cv_huge_val_sanity=no], [ac_cv_huge_val_sanity=yes]) + CXXFLAGS=$ac_save_CXXFLAGS AC_LANG_POP([C++]) ]) AC_SUBST(HUGE_VAL_SANITY,$ac_cv_huge_val_sanity) |