Re: [PATCH] perf tools: Speed up the perf build time by simplifyingthe perf --version string generation
From: Arnaldo Carvalho de Melo
Date: Tue Oct 30 2012 - 05:35:30 EST
Em Tue, Oct 30, 2012 at 09:46:00AM +0100, Ingo Molnar escreveu:
> +++ b/tools/perf/util/PERF-VERSION-GEN
> @@ -12,7 +12,7 @@ LF='
> # First check if there is a .git to get the version from git describe
> # otherwise try to get the version from the kernel makefile
> if test -d ../../.git -o -f ../../.git &&
> - VN=$(git describe --match 'v[0-9].[0-9]*' --abbrev=4 HEAD 2>/dev/null) &&
> + VN=$(echo $(git tag --list "v[0-9].[0-9]*" | tail -1)"-g"$(git log -1 --abbrev=4 --pretty=format:"%h" HEAD) 2>/dev/null) &&
[acme@sandy linux]$ make -j8 -C tools/perf/ O=/home/acme/git/build/perf install
make: Entering directory `/home/git/linux/tools/perf'
error: unknown option `list'
usage: git tag [-a|-s|-u <key-id>] [-f] [-m <msg>|-F <file>] <tagname>
[<head>]
<SNIP>
[acme@sandy linux]$ git --version
git version 1.7.1
- Arnaldo
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