Drop use of AC_TYPE_SIGNAL since it is obsolete when assuming C89 or better.

diff --git a/configure.ac b/configure.ac
index 4bc0ed0..ec30727 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -143,7 +143,6 @@ AC_STRUCT_TM
 dnl Checks for library functions.
 AC_PROG_GCC_TRADITIONAL
 AC_FUNC_MEMCMP
-AC_TYPE_SIGNAL
 AC_FUNC_STRFTIME
 AC_FUNC_VPRINTF
 AC_CHECK_FUNCS(gethostname mkdir select socket strtol vsnprintf mkstemp usleep)