From 426f354a3b9c7082585134c05a469233aced567b Mon Sep 17 00:00:00 2001
From: Bill Nottingham <notting@redhat.com>
Date: Wed, 17 Nov 1999 17:47:43 +0000
Subject: only munge /boot/kernel.h if there's a change

---
 rc.d/rc.sysinit | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'rc.d')

diff --git a/rc.d/rc.sysinit b/rc.d/rc.sysinit
index f04d3b7c..b7d1cfba 100755
--- a/rc.d/rc.sysinit
+++ b/rc.d/rc.sysinit
@@ -505,7 +505,10 @@ else
   SMP="0"
   UP="1"
 fi
-cat > /boot/kernel.h << EOF
+OLDSMP=`grep "#define __BOOT_KERNEL_SMP" /boot/kernel.h 2>/dev/null | awk '{ print $3 }'`
+OLDUP=`grep "#define __BOOT_KERNEL_UP" /boot/kernel.h 2>/dev/null | awk '{ print $3}'`
+if [ "$SMP" != "$OLDSMP" -o "$UP" != "$OLDUP" ]; then
+ cat > /boot/kernel.h << EOF
 /* This file is automatically generated at boot time. */
 #ifndef __BOOT_KERNEL_H_
 #define __BOOT_KERNEL_H_
@@ -520,6 +523,7 @@ cat > /boot/kernel.h << EOF
 
 #endif
 EOF
+fi
 
 # Now that we have all of our basic modules loaded and the kernel going,
 # let's dump the syslog ring somewhere so we can find it later
-- 
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