diff options
Diffstat (limited to 'm4/check_define.m4')
| -rw-r--r-- | m4/check_define.m4 | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/m4/check_define.m4 b/m4/check_define.m4 new file mode 100644 index 000000000..43edc78ee --- /dev/null +++ b/m4/check_define.m4 @@ -0,0 +1,13 @@ +AC_DEFUN([AC_CHECK_DEFINE],[ +AS_VAR_PUSHDEF([ac_var],[ac_cv_defined_$1_$2])dnl +AC_CACHE_CHECK([for $1 in $2], ac_var, +AC_TRY_COMPILE([#include <$2>],[ + #ifdef $1 + int ok; + #else + choke me + #endif +],AS_VAR_SET(ac_var, yes),AS_VAR_SET(ac_var, no))) +AS_IF([test AS_VAR_GET(ac_var) != "no"], [$3], [$4])dnl +AS_VAR_POPDEF([ac_var])dnl +]) |