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-rw-r--r--configure.ac12
1 files changed, 0 insertions, 12 deletions
diff --git a/configure.ac b/configure.ac
index b46e2f4c2..7644ebe52 100644
--- a/configure.ac
+++ b/configure.ac
@@ -955,18 +955,6 @@ dnl --------------
 dnl CHECK TYPEDEFS
 dnl --------------
 
-AC_DIAGNOSE([obsolete],[your code may safely assume C89 semantics that RETSIGTYPE is void.
-Remove this warning and the `AC_CACHE_CHECK' when you adjust the code.])dnl
-AC_CACHE_CHECK([return type of signal handlers],[ac_cv_type_signal],[AC_COMPILE_IFELSE(
-[AC_LANG_PROGRAM([#include <sys/types.h>
-#include <signal.h>
-],
-		 [return *(signal (0, 0)) (0) == 1;])],
-		   [ac_cv_type_signal=int],
-		   [ac_cv_type_signal=void])])
-AC_DEFINE_UNQUOTED([RETSIGTYPE],[$ac_cv_type_signal],[Define as the return type of signal handlers
-		    (`int' or `void').])
-
 AC_TYPE_PID_T
 AC_TYPE_OFF_T
 AC_CHECK_TYPE(ino_t, unsigned long)