Remove obsolescent autoconf macro AC_TYPE_SIGNAL

All supported systems are expected to have C89 conforming sematics.

* configure.ac (AC_TYPE_SIGNAL): Remove.

diff --git a/configure.ac b/configure.ac
index 5e8561ac972023e4e0c040c09d01d2bfb2d5ab09..916bc3489f28018889899eb0f0515b9e03871067 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -277,7 +277,6 @@ AC_SUBST([WARN_CFLAGS])
 AC_C_BIGENDIAN
 AC_C_TYPEOF
 
-AC_TYPE_SIGNAL
 AC_TYPE_UID_T
 
 AC_CHECK_FUNCS(m4_normalize([