From 93e5dd87a1fc9782b877d41efa6222f55a0e4167 Mon Sep 17 00:00:00 2001
From: "Arnold D. Robbins" <arnold@skeeve.com>
Date: Thu, 16 Apr 2020 20:56:49 +0300
Subject: [PATCH] Fix noreturn for old compilers.

---
 FIXES  | 4 ++++
 awk.h  | 4 ++++
 main.c | 2 +-
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/FIXES b/FIXES
index e96cf33..509f4ac 100644
--- a/FIXES
+++ b/FIXES
@@ -25,6 +25,10 @@ THIS SOFTWARE.
 This file lists all bug fixes, changes, etc., made since the AWK book
 was sent to the printers in August, 1987.
 
+April 16, 2020:
+	Handle old compilers that don't support C11 (for noreturn).
+	Thanks to Arnold Robbins.
+
 April 5, 2020:
 	Use <stdnoreturn.h> and noreturn instead of GCC attributes.
 	Thanks to GitHub user awkfan77. Closes PR #77.
diff --git a/awk.h b/awk.h
index 4e01325..36a4286 100644
--- a/awk.h
+++ b/awk.h
@@ -25,7 +25,11 @@ THIS SOFTWARE.
 #include <assert.h>
 #include <stdint.h>
 #include <stdbool.h>
+#if __STDC__ <= 199901L
+#define noreturn
+#else
 #include <stdnoreturn.h>
+#endif
 
 typedef double	Awkfloat;
 
diff --git a/main.c b/main.c
index ce0a412..6b1ed56 100644
--- a/main.c
+++ b/main.c
@@ -22,7 +22,7 @@ ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
 THIS SOFTWARE.
 ****************************************************************/
 
-const char	*version = "version 20200405";
+const char	*version = "version 20200416";
 
 #define DEBUG
 #include <stdio.h>