From 9b66a78569574e291666d8889c07024cd2e489d2 Mon Sep 17 00:00:00 2001
From: Aaron Lindsay <aaron@aclindsay.com>
Date: Wed, 3 Oct 2012 07:35:10 -0400
Subject: [PATCH] Makefile: Fixup config.h generation

Handle comments better, add comment to target
---
 Makefile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index a03d3be..6e8a350 100644
--- a/Makefile
+++ b/Makefile
@@ -70,9 +70,11 @@ aedrix-kernel.img: aedrix-kernel.elf
 		rm -f $*.d
 
 config.h: config
+	@# Generate config header file from make-style include
 	@echo ' CONFIG   config.h'
 	@cp config config.h
-	@sed -i '/^\w*#/d' config.h
+	@sed -i '/^\s*#/d' config.h
+	@sed -i 's/#.*$$//g' config.h
 	@sed -i '/^\s*\(CONFIG_[A-Z0-9_]\+\)\s*=\s*[nN]/d' config.h
 	@sed -i 's/^\s*\(CONFIG_[A-Z0-9_]\+\)\s*=\s*[yY]/#define \1/g' config.h