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+ id 0146E1000F3; Sun, 9 Feb 2014 16:38:32 +0200 (EET)\r
+From: Tomi Ollila <tomi.ollila@iki.fi>\r
+To: notmuch@notmuchmail.org\r
+Subject: [PATCH v5] build: write version.stamp file containing $(VERSION)\r
+ string\r
+Date: Sun, 9 Feb 2014 16:38:31 +0200\r
+Message-Id: <1391956711-21231-1-git-send-email-tomi.ollila@iki.fi>\r
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+References: <m2eh3czo6t.fsf@guru.guru-group.fi>\r
+Cc: tomi.ollila@iki.fi\r
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+\r
+This version file will be as prerequisite to the target files\r
+that use the version info for some purpose, like printing\r
+it for the user to examine. The contents of the version.stamp\r
+file is seldom read by the build system itself as the $(VERSION)\r
+variable has the same information.\r
+\r
+Thanks to Trevor, David and Mark for their contributions.\r
+---\r
+ Makefile.local | 15 ++++++++++++++-\r
+ 1 file changed, 14 insertions(+), 1 deletion(-)\r
+\r
+diff --git a/Makefile.local b/Makefile.local\r
+index 174506c..2cdd281 100644\r
+--- a/Makefile.local\r
++++ b/Makefile.local\r
+@@ -18,10 +18,16 @@ else\r
+ DATE:=$(shell date +%F)\r
+ endif\r
+ \r
++VERSTAMP=version.stamp\r
+ VERSION:=$(shell cat ${srcdir}/version)\r
+ ifeq ($(filter release release-message pre-release update-versions,$(MAKECMDGOALS)),)\r
+ ifeq ($(IS_GIT),yes)\r
+ VERSION:=$(shell git describe --match '[0-9.]*'|sed -e s/_/~/ -e s/-/+/ -e s/-/~/)\r
++# Write the file 'version.stamp' in case its contents differ from $(VERSION)\r
++FILE_VERSION:=$(shell test -f $(VERSTAMP) && read vs < $(VERSTAMP) || vs=; echo $$vs)\r
++ifneq ($(FILE_VERSION),$(VERSION))\r
++ $(shell echo "$(VERSION)" > $(VERSTAMP))\r
++endif\r
+ endif\r
+ endif\r
+ \r
+@@ -69,6 +75,11 @@ ifeq ($(shell cat .first-build-message 2>/dev/null),)\r
+ endif\r
+ endif\r
+ \r
++# Depend (also) on the file 'version'. In case of ifeq ($(IS_GIT),yes)\r
++# this file may already have been updated.\r
++$(VERSTAMP): version\r
++ echo $(VERSION) > $@\r
++\r
+ $(TAR_FILE):\r
+ if git tag -v $(VERSION) >/dev/null 2>&1; then \\r
+ ref=$(VERSION); \\r
+@@ -280,6 +291,8 @@ notmuch_client_srcs = \\r
+ \r
+ notmuch_client_modules = $(notmuch_client_srcs:.c=.o)\r
+ \r
++notmuch.o: $(VERSTAMP)\r
++\r
+ notmuch: $(notmuch_client_modules) lib/libnotmuch.a util/libutil.a parse-time-string/libparse-time-string.a\r
+ $(call quiet,CXX $(CFLAGS)) $^ $(FINAL_LIBNOTMUCH_LDFLAGS) -o $@\r
+ \r
+@@ -318,7 +331,7 @@ install-desktop:\r
+ desktop-file-install --mode 0644 --dir "$(DESTDIR)$(desktop_dir)" notmuch.desktop\r
+ \r
+ SRCS := $(SRCS) $(notmuch_client_srcs)\r
+-CLEAN := $(CLEAN) notmuch notmuch-shared $(notmuch_client_modules) notmuch.elc\r
++CLEAN := $(CLEAN) notmuch notmuch-shared $(notmuch_client_modules) $(VERSTAMP)\r
+ \r
+ DISTCLEAN := $(DISTCLEAN) .first-build-message Makefile.config\r
+ \r
+-- \r
+1.8.4.2\r
+\r