Hi Martin,
Martin von Zweigbergk wrote:
> I use autoconf with git.git. I have noticed lately, especially when
> doing things like "git rebase -i --exec make", that ./configure is run
> every time. If I understand correctly, this is because of 8242ff4
> (build: reconfigure automatically if configure.ac changes,
> 2012-07-19).
How about this patch (untested)?
-- >8 --
Subject: build: do not automatically reconfigure unless configure.ac changed
Starting with v1.7.12-rc0~4^2 (build: reconfigure automatically if
configure.ac changes, 2012-07-19), "config.status --recheck" is
automatically run every time the "configure" script changes. In
particular, that means the configuration procedure repeats whenever
the version number changes (since the configure script changes to
support "./configure --version" and "./configure --help"), making
bisecting painfully slow.
The intent was to make the reconfiguration process only trigger for
changes to configure.ac's logic. Tweak the Makefile rule to match
that intent by depending on configure.ac instead of configure.
Reported-by: Martin von Zweigbergk <martinv...@gmail.com>
Signed-off-by: Jonathan Nieder <jrnie...@gmail.com>
---
[...]
> --- a/Makefile
> +++ b/Makefile
> @@ -2267,12 +2267,9 @@ $(patsubst %.py,%,$(SCRIPT_PYTHON)): % :
> unimplemented.sh
> mv $@+ $@
> endif # NO_PYTHON
>
> -configure: configure.ac GIT-VERSION-FILE
> +configure: configure.ac
[...]
> --- a/configure.ac
> +++ b/configure.ac
> @@ -142,7 +142,10 @@ fi
> ## Configure body starts here.
>
> AC_PREREQ(2.59)
> -AC_INIT([git], [@@GIT_VERSION@@], [git@vger.kernel.org])
> +AC_INIT([git],
> + m4_esyscmd([ ./GIT-VERSION-GEN &&
> + { sed -ne 's/GIT_VERSION = //p' GIT-VERSION-FILE | xargs
> echo -n; } ]),
> + [git@vger.kernel.org])
I don't think that would warrant dropping the GIT-VERSION-FILE
dependency, since the resulting configure script still hard-codes the
version number.
Sane?
Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index 736ecd45..2a22041f 100644
--- a/Makefile
+++ b/Makefile
@@ -2275,7 +2275,7 @@ configure: configure.ac GIT-VERSION-FILE
$(RM) $<+
ifdef AUTOCONFIGURED
-config.status: configure
+config.status: configure.ac
$(QUIET_GEN)if test -f config.status; then \
./config.status --recheck; \
else \
--
1.8.1
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