From bfa68ebe9380a8f2246d195fe464409fddb262ab Mon Sep 17 00:00:00 2001
From: Michael Krufky <devnull@localhost>
Date: Wed, 27 Jul 2005 04:58:50 +0000
Subject: 	  Include logic to detect compilation against -mm kernels,    
       adding MM_KERNEL to EXTRA_CFLAGS. This test will be available          
 in -mm kernels AFTER (but not including) 2.6.13-rc3-mm1.

        Signed-off-by: Michael Krufky <mkrufky@m1k.net>
---
 v4l/Makefile | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'v4l/Makefile')

diff --git a/v4l/Makefile b/v4l/Makefile
index b452c8d0a..1da3d55b8 100644
--- a/v4l/Makefile
+++ b/v4l/Makefile
@@ -96,8 +96,10 @@ endif
 mm-kernel := $(TOPDIR)/.mm
 ifneq ($(mm-kernel),)
 MM_KERNEL_CFLAGS	:= -DMM_KERNEL=$(shell cat $(mm-kernel) 2> /dev/null)
+ifneq ($(MM_KERNEL_CFLAGS),)
 EXTRA_CFLAGS		+= $(MM_KERNEL_CFLAGS)
 endif
+endif
 
 bttv.o: $(bttv-objs)
 	$(LD) -r -o $@ $(bttv-objs)
-- 
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