From aa742e59aea2ba29c688e2908cd79da155048333 Mon Sep 17 00:00:00 2001
From: pschwan <pschwan>
Date: Thu, 23 May 2002 18:09:39 +0000
Subject: [PATCH] Copied some patch infrastructure from ext2obd to extN

---
 lustre/extN/Makefile.am | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/lustre/extN/Makefile.am b/lustre/extN/Makefile.am
index 4e4785b..d3ceadd 100644
--- a/lustre/extN/Makefile.am
+++ b/lustre/extN/Makefile.am
@@ -22,6 +22,13 @@ SUB=-e "s/ext3/extN/g" -e "s/EXT3/EXTN/g"
 
 include $(top_srcdir)/Rules
 
+# Create a fresh ext2 patch.
+diff:
+	rm -f extN.patchT
+	for f in $(EXTNC); do diff -u $(top_srcdir)/fs/extN/$$f $$f >> extN.patchT ; done
+	mv -f ext2.patchT $(srcdir)/ext2.patch-$(RELEASE)
+.PHONY: diff
+
 # Patch the kernel files with our ext3 patches.  We need to go through some
 # extra hoops because the include files are in a different tree and because
 # patch likes to make local copies of files with (sym)links when it is patching
@@ -42,11 +49,15 @@ patch-stamp: $(EXTNP)
 		$(top_srcdir)/include/linux/$$i;                              \
 	done
 	set -vx;\
-	list='$(EXTNP)'; for p in $$list; do                                  \
-	sed $(SUB) $(srcdir)/$$p | (cd $(top_srcdir); patch -p1);             \
-	done
-	(cd $(top_srcdir); patch -p1) < $(srcdir)/extN-2.4.18-ino_sb_fixup.diff
-	-(cd $(top_srcdir); patch -p1) < $(srcdir)/extN-2.4.18-exports.diff
+	if [ -f $(srcdir)/extN.patch-$(RELEASE) ]; then \
+		patch -p0 < $(srcdir)/extN.patch-$(RELEASE); \
+	else \
+		list='$(EXTNP)'; for p in $$list; do                        \
+		sed $(SUB) $(srcdir)/$$p | (cd $(top_srcdir); patch -p1);   \
+		done;  \
+		(cd $(top_srcdir); patch -p1) < $(srcdir)/extN-2.4.18-ino_sb_fixup.diff; \
+		(cd $(top_srcdir); patch -p1) < $(srcdir)/extN-2.4.18-exports.diff; \
+	fi
 	echo timestamp > patch-stamp
 
 $(EXTNC) $(EXTNI): patch-stamp
-- 
1.8.3.1