1 files changed, 50 insertions, 0 deletions
diff --git a/patches/0022-m4-Add-missing-includes.patch b/patches/0022-m4-Add-missing-includes.patch
new file mode 100644
index 0000000..d647009
--- /dev/null
+++ b/patches/0022-m4-Add-missing-includes.patch
@@ -0,0 +1,50 @@
+From 3cc2a61c553d138778a6ec1dd84cd042ce834b4e Mon Sep 17 00:00:00 2001
+From: Michael Forney <mforney@mforney.org>
+Date: Tue, 10 Apr 2018 16:24:12 -0700
+Subject: [PATCH] m4: Add missing includes
+
+---
+ usr.bin/m4/look.c   | 1 +
+ usr.bin/m4/main.c   | 1 +
+ usr.bin/m4/parser.y | 1 +
+ 3 files changed, 3 insertions(+)
+
+diff --git a/usr.bin/m4/look.c b/usr.bin/m4/look.c
+index ac504570a9f..5feb0413cd6 100644
+--- a/usr.bin/m4/look.c
++++ b/usr.bin/m4/look.c
+@@ -38,6 +38,7 @@
+  * by: oz
+  */
+ 
++#include <sys/cdefs.h>
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <stdint.h>
+diff --git a/usr.bin/m4/main.c b/usr.bin/m4/main.c
+index f1b8fa5a55b..4e664c0a50b 100644
+--- a/usr.bin/m4/main.c
++++ b/usr.bin/m4/main.c
+@@ -39,6 +39,7 @@
+  * by: oz
+  */
+ 
++#include <sys/cdefs.h>
+ #include <assert.h>
+ #include <signal.h>
+ #include <err.h>
+diff --git a/usr.bin/m4/parser.y b/usr.bin/m4/parser.y
+index 5b46d261a9a..fedded1e44c 100644
+--- a/usr.bin/m4/parser.y
++++ b/usr.bin/m4/parser.y
+@@ -17,6 +17,7 @@
+  */
+ #include <math.h>
+ #include <stdint.h>
++#include <stdlib.h>
+ #define YYSTYPE	int32_t
+ extern int32_t end_result;
+ extern int yylex(void);
+-- 
+2.22.0
+