From: Jim Meyering <jim@meyering.net>
Date: Sat, 28 Oct 2006 16:23:30 +0000 (+0200)
Subject: * Makefile.maint (patch-check): Make it easier to regenerate
X-Git-Tag: COREUTILS-6_5~23
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e24ce7c58d2355b720b523f0bde6e0d2c47cbe68;p=thirdparty%2Fcoreutils.git

* Makefile.maint (patch-check): Make it easier to regenerate
the src/c99-to-c89.diff file.  E.g., I do this:
make patch-check REGEN_PATCH=1; ediff src/c99-to-c89.diff new-diff
---

diff --git a/ChangeLog b/ChangeLog
index 5f42956fd7..0a1dcef892 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2006-10-28  Jim Meyering  <jim@meyering.net>
 
+	* Makefile.maint (patch-check): Make it easier to regenerate
+	the src/c99-to-c89.diff file.  E.g., I do this:
+	make patch-check REGEN_PATCH=1; ediff src/c99-to-c89.diff new-diff
+
 	* src/c99-to-c89.diff: Update to reflect new offsets in rm.c.
 
 2006-10-26  Jim Meyering  <jim@meyering.net>
diff --git a/Makefile.maint b/Makefile.maint
index df412f64cc..d89e0d6e86 100644
--- a/Makefile.maint
+++ b/Makefile.maint
@@ -330,6 +330,8 @@ patch-check:
 	(cd src-c89; patch -V never --fuzz=0) < src/c99-to-c89.diff \
 	  > $@.1 2>&1
 	grep -v '^patching file ' $@.1 > $@.2 || :
+	if test "$${REGEN_PATCH+set}" = set; then \
+	  diff -upr src src-c89 > new-diff || : ; fi
 	fail=0; test -s $@.2 && fail=1 || : ; \
 	rm -rf src-c89 $@.1 $@.2; \
 	test $$fail = 0