From: Karel Zak <kzak@redhat.com>
Date: Thu, 19 Jan 2012 09:32:32 +0000 (+0100)
Subject: build-sys: improve changelog target
X-Git-Tag: v2.21-rc2~126
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=748c010f070e96ff397a65e2338ae58125f085c0;p=thirdparty%2Futil-linux.git

build-sys: improve changelog target

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/Makefile.am b/Makefile.am
index 0325559269..7bd0b37c41 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -100,8 +100,9 @@ BUILT_SOURCES = .version
 	echo $(VERSION) > $@-t && mv $@-t $@
 
 CHANGELOG_FILE = v$(VERSION)-ChangeLog
-changelog:
-	if test "x$$PREVIOUS_VERSION" == "x"; then \
+
+$(CHANGELOG_FILE):
+	@ if test "x$$PREVIOUS_VERSION" == "x"; then \
 		echo "Usage make changelog PREVIOUS_VERSION=<version>"; \
 		exit 1; \
 	fi
@@ -110,3 +111,6 @@ changelog:
 	@ echo >> $(CHANGELOG_FILE)
 	$(AM_V_GEN) git log --stat v$(PREVIOUS_VERSION)..HEAD >> $(CHANGELOG_FILE)
 
+changelog: $(CHANGELOG_FILE)
+
+