[PATCH 1/1] build: write VERSION file containing $(VERSION) string
Mark Walters
markwalters1009 at gmail.com
Sun Jan 26 11:55:08 PST 2014
Hi
I experimented with this and it didn't always seem to rebuild VERSION
when it should. Looking at the file .git/HEAD that just seems to be the
branch name not the commit id (unless in detached HEAD state)
This link
http://stackoverflow.com/questions/6526451/how-to-include-git-commit-number-into-a-c-executable
suggests adding .git/index to the VERSION depends.
I tested that and that does seem to work. It may mean that VERSION gets
rebuilt if you stash (for example) but that is probably not a big
problem.
Best wishes
Mark
On Sat, 25 Jan 2014, Tomi Ollila <tomi.ollila at iki.fi> wrote:
> This version file will be as prerequisite to the target files
> that use the version info for some purpose, like printing
> it to the user to examine. The contents of the VERSION file
> is seldom read by the build system itself as the $(VERSION)
> variable has the same information.
> ---
> Makefile.local | 11 ++++++++++-
> 1 file changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/Makefile.local b/Makefile.local
> index c85e09c..1f876b3 100644
> --- a/Makefile.local
> +++ b/Makefile.local
> @@ -22,6 +22,8 @@ VERSION:=$(shell cat ${srcdir}/version)
> ifeq ($(filter release release-message pre-release update-versions,$(MAKECMDGOALS)),)
> ifeq ($(IS_GIT),yes)
> VERSION:=$(shell git describe --match '[0-9.]*'|sed -e s/_/~/ -e s/-/+/ -e s/-/~/)
> +# Make the 'VERSION' file depend *also* on .git/HEAD in this case
> +VERSION: .git/HEAD
> endif
> endif
>
> @@ -69,6 +71,11 @@ ifeq ($(shell cat .first-build-message 2>/dev/null),)
> endif
> endif
>
> +# This VERSION file is used mostly for triggering other file remakes...
> +# This may get other dependency to .git/HEAD above in this file.
> +VERSION: version
> + echo $(VERSION) > $@
> +
> $(TAR_FILE):
> if git tag -v $(VERSION) >/dev/null 2>&1; then \
> ref=$(VERSION); \
> @@ -280,6 +287,8 @@ notmuch_client_srcs = \
>
> notmuch_client_modules = $(notmuch_client_srcs:.c=.o)
>
> +notmuch.o: VERSION
> +
> notmuch: $(notmuch_client_modules) lib/libnotmuch.a util/libutil.a parse-time-string/libparse-time-string.a
> $(call quiet,CXX $(CFLAGS)) $^ $(FINAL_LIBNOTMUCH_LDFLAGS) -o $@
>
> @@ -318,7 +327,7 @@ install-desktop:
> desktop-file-install --mode 0644 --dir "$(DESTDIR)$(desktop_dir)" notmuch.desktop
>
> SRCS := $(SRCS) $(notmuch_client_srcs)
> -CLEAN := $(CLEAN) notmuch notmuch-shared $(notmuch_client_modules) notmuch.elc
> +CLEAN := $(CLEAN) VERSION notmuch notmuch-shared $(notmuch_client_modules)
>
> DISTCLEAN := $(DISTCLEAN) .first-build-message Makefile.config
>
> --
> 1.8.5.3
>
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