From 2913df520ae8ceac46bbd6bfa958cbccb0e476bf Mon Sep 17 00:00:00 2001
From: Roy Marples <roy@marples.name>
Date: Wed, 8 Nov 2023 10:10:35 +0000
Subject: [PATCH] configure: guard config.h with #ifdef CONFIG_H

Rename CONFIG_H guard in defs.h to DEFS_H
This avoids a redeclaration issue on DragonFly.
---
 configure  | 7 +++++++
 src/defs.h | 4 ++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index 646ce803..5237b0e2 100755
--- a/configure
+++ b/configure
@@ -263,6 +263,10 @@ echo "Configuring dhcpcd for ... $OS"
 rm -f $CONFIG_H $CONFIG_MK
 echo "# $OS" >$CONFIG_MK
 echo "/* $OS */" >$CONFIG_H
+echo >>$CONFIG_H
+echo "#ifndef CONFIG_H">>$CONFIG_H
+echo "#define CONFIG_H">>$CONFIG_H
+echo >>$CONFIG_H
 
 : ${SYSCONFDIR:=$PREFIX/etc}
 : ${SBINDIR:=$PREFIX/sbin}
@@ -1918,6 +1922,9 @@ if ! $HOOKSET; then
 	fi
 fi
 
+echo >>$CONFIG_H
+echo "#endif /*CONFIG_H*/">>$CONFIG_H
+
 find_hook()
 {
 	for h in [0-9][0-9]"-$x" [0-9][0-9]"-$x.in" \
diff --git a/src/defs.h b/src/defs.h
index df4d3511..39d0ac1c 100644
--- a/src/defs.h
+++ b/src/defs.h
@@ -25,8 +25,8 @@
  * SUCH DAMAGE.
  */
 
-#ifndef CONFIG_H
-#define CONFIG_H
+#ifndef DEFS_H
+#define DEFS_H
 
 #define PACKAGE			"dhcpcd"
 #define VERSION			"10.0.4"