From 99c48fe9974b8d70ca33674658a3da722b0d6466 Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Sun, 5 Jun 2022 22:05:19 +0100
Subject: patch 8.2.5061: C89 requires signal handlers to return void

Problem:    C89 requires signal handlers to return void.
Solution:   Drop RETSIGTYPE and hard-code a void return value.
---
 src/configure.ac | 11 -----------
 1 file changed, 11 deletions(-)

(limited to 'src/configure.ac')

diff --git a/src/configure.ac b/src/configure.ac
index 37a7c6882c..778d11a45e 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -3644,17 +3644,6 @@ fi
 
 dnl Checks for library functions. ===================================
 
-dnl TODO: this generates an obsolete warning, would need to remove and replace
-dnl all  RETSIGTYPE with "void" and SIGRETURN with "return".
-AC_TYPE_SIGNAL
-
-dnl find out what to use at the end of a signal function
-if test $ac_cv_type_signal = void; then
-  AC_DEFINE(SIGRETURN, [return])
-else
-  AC_DEFINE(SIGRETURN, [return 0])
-fi
-
 dnl check if struct sigcontext is defined (used for SGI only)
 AC_MSG_CHECKING(for struct sigcontext)
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
-- 
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