diff options
Diffstat (limited to 'config/math.m4')
| -rw-r--r-- | config/math.m4 | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/config/math.m4 b/config/math.m4 index 5527c25aec3..23835f230cb 100644 --- a/config/math.m4 +++ b/config/math.m4 @@ -14,10 +14,10 @@ dnl functions). AC_DEFUN([GCC_CHECK_MATH_HEADERS], [AC_CHECK_HEADERS_ONCE(math.h complex.h)]) -dnl GCC_CHECK_MATH_FUNC([name],[if-present]) +dnl GCC_CHECK_MATH_FUNC([name]) dnl dnl Check whether math function NAME is available on the system (by compiling -dnl and linking a C program) and run if-present on success. +dnl and linking a C program) and run define HAVE_name on success. dnl dnl Note that OpenVMS system insists on including complex.h before math.h AC_DEFUN([GCC_CHECK_MATH_FUNC], @@ -44,6 +44,7 @@ main () [gcc_cv_math_func_$1=yes], [gcc_cv_math_func_$1=no])]) if test $gcc_cv_math_func_$1 = yes; then - $2 + AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_$1),[1], + [Define to 1 if you have the `$1' function.]) fi ]) |