From 12b225adb1956a2b7b4ed30565ce478dfedf1653 Mon Sep 17 00:00:00 2001
From: "powwow@askgustav.com" <powwow@askgustav.com>
Date: Tue, 19 Mar 2019 23:51:09 +0100
Subject: require C89 and set _XOPEN_SOURCE=700 when compiling


diff --git a/Makefile.am b/Makefile.am
index 4e87cab..ce2a8c5 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,5 +1,6 @@
 # Default help file directory
-AM_CFLAGS=-DPOWWOW_DIR=\"$(pkgdatadir)\" -DPLUGIN_DIR=\"$(plugindir)\"
+AM_CPPFLAGS=-D_XOPEN_SOURCE=700 -DPOWWOW_DIR=\"$(pkgdatadir)\" \
+	-DPLUGIN_DIR=\"$(plugindir)\"
 
 bin_PROGRAMS = powwow powwow-muc powwow-movieplay
 powwow_SOURCES = beam.c cmd.c log.c edit.c cmd2.c eval.c \
diff --git a/configure.in b/configure.in
index 8862fc0..9b02bf8 100644
--- a/configure.in
+++ b/configure.in
@@ -1,6 +1,6 @@
 # Process this file with autoconf to produce a configure script.
-AC_INIT
-AM_INIT_AUTOMAKE(powwow, 1.2.18)
+AC_INIT(powwow, 1.2.18)
+AM_INIT_AUTOMAKE
 
 AC_CANONICAL_HOST
 
@@ -74,7 +74,7 @@ AM_CONDITIONAL([MAN_PAGE_ENCODING_IS_UTF_8],
                [test "${MAN_PAGE_ENCODING}" = UTF-8 ])
 
 # Checks for programs.
-AC_PROG_CC
+AC_PROG_CC_C89
 AC_PROG_LN_S
 
 # Checks for libraries.
diff --git a/edit.c b/edit.c
index 7229f81..bcfab21 100644
--- a/edit.c
+++ b/edit.c
@@ -14,6 +14,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <string.h>
+#include <strings.h>
 #include <ctype.h>
 #include <time.h>
 #include <sys/types.h>
diff --git a/eval.c b/eval.c
index 8673c65..1a64108 100644
--- a/eval.c
+++ b/eval.c
@@ -12,16 +12,18 @@
  *
  */
 
+#include <ctype.h>
+#include <errno.h>
+#include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <ctype.h>
-#include <errno.h>
-#include <unistd.h>
+#include <strings.h>
 #include <time.h>
-#include <sys/types.h>
+#include <unistd.h>
+
 #include <sys/time.h>
-#include <limits.h>
+#include <sys/types.h>
 
 #include "defines.h"
 #include "main.h"
diff --git a/tty.c b/tty.c
index 243384b..104c780 100644
--- a/tty.c
+++ b/tty.c
@@ -9,6 +9,7 @@
  *  (at your option) any later version.
  *
  */
+#include <alloca.h>
 #include <assert.h>
 #include <errno.h>
 #include <fcntl.h>
-- 
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