commit c3aafd8cf814e33a77de81c2f22b8c772216a3cc
author Vlad Lungu <vlad@comsys.ro> Fri Apr 11 21:20:14 2008 +0300
committer Wolfgang Denk <wd@denx.de> Fri Apr 18 00:06:41 2008 -0700
tree 762604b69dacb8b8f436e2b4fe7498a52869ce77
parent cb1c4896905ab22fcd982e6a8a539f0031942e71

Fix dependency generation for older gcc versions

 With gcc 3.3.3 at least, compilation fails with

Generating include/autoconf.mk
gcc: compilation of header file requested
make: *** [include/autoconf.mk] Error 1

since commit 16fe77752eee099b9fb61ed73460e51cc94b37ba.

Signed-off-by: Vlad Lungu <vlad@comsys.ro>

Makefile

diff --git a/Makefile b/Makefile
index e56889e..ff33b4c 100644
--- a/Makefile
+++ b/Makefile
@@ -432,7 +432,7 @@
 	@$(XECHO) Generating include/autoconf.mk ; \
 	set -e ; \
 	: Generate the dependancies ; \
-	$(CC) -M $(HOST_CFLAGS) $(CPPFLAGS) -MQ $@ include/common.h > $@.dep ; \
+	$(CC) -x c -M $(HOST_CFLAGS) $(CPPFLAGS) -MQ $@ include/common.h > $@.dep ; \
 	: Extract the config macros ; \
 	$(CPP) $(CFLAGS) -dM include/common.h | sed -n -f tools/scripts/define2mk.sed > $@