diff options
Diffstat (limited to 'aclocal.m4')
| -rw-r--r-- | aclocal.m4 | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/aclocal.m4 b/aclocal.m4 index f11bc7ed7d..d9f3f19bc5 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -38,3 +38,9 @@ AC_DEFUN([TYPE_SOCKLEN_T], [#include <sys/types.h> #include <sys/socket.h>]) ]) + +dnl Test a compiler option or options with an empty input file. +dnl LIBC_TRY_CC_OPTION([options], [action-if-true], [action-if-false]) +AC_DEFUN([LIBC_TRY_CC_OPTION], +[AS_IF([AC_TRY_COMMAND([${CC-cc} $1 -xc /dev/null -S -o /dev/null])], + [$2], [$3])]) |