Commit-ID: 58d406ed6a5f1ca4bc1dba5390b718c67847fa5f
Gitweb: http://git.kernel.org/tip/58d406ed6a5f1ca4bc1dba5390b718c67847fa5f
Author: Josh Hunt <johunt@xxxxxxxxxx>
AuthorDate: Tue, 15 Mar 2011 19:16:40 -0700
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Wed, 16 Mar 2011 08:59:50 -0300
perf tools: Version incorrect with some versions of grep
Some versions of grep don't treat '\s' properly. When building perf on such
systems and using a kernel tarball the perf version is unable to be determined
from the main kernel Makefile and the user is left with a version of '..'.
Replacing the use of '\s' with '[[:space:]]', which should work in all grep
versions, gives a usable version number.
Reported-by: Tapan Dhimant <tdhimant@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Tapan Dhimant <tdhimant@xxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: stable@xxxxxxxxxx
LKML-Reference: <1300241800-30281-1-git-send-email-johunt@xxxxxxxxxx>
Signed-off-by: Josh Hunt <johunt@xxxxxxxxxx>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/PERF-VERSION-GEN | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/tools/perf/util/PERF-VERSION-GEN b/tools/perf/util/PERF-VERSION-GEN
index 97d7656..26d4d3f 100755
--- a/tools/perf/util/PERF-VERSION-GEN
+++ b/tools/perf/util/PERF-VERSION-GEN
@@ -23,10 +23,10 @@ if test -d ../../.git -o -f ../../.git &&
then
VN=$(echo "$VN" | sed -e 's/-/./g');
else
- eval `grep '^VERSION\s*=' ../../Makefile|tr -d ' '`
- eval `grep '^PATCHLEVEL\s*=' ../../Makefile|tr -d ' '`
- eval `grep '^SUBLEVEL\s*=' ../../Makefile|tr -d ' '`
- eval `grep '^EXTRAVERSION\s*=' ../../Makefile|tr -d ' '`
+ eval $(grep '^VERSION[[:space:]]*=' ../../Makefile|tr -d ' ')
+ eval $(grep '^PATCHLEVEL[[:space:]]*=' ../../Makefile|tr -d ' ')
+ eval $(grep '^SUBLEVEL[[:space:]]*=' ../../Makefile|tr -d ' ')
+ eval $(grep '^EXTRAVERSION[[:space:]]*=' ../../Makefile|tr -d ' ')
VN="${VERSION}.${PATCHLEVEL}.${SUBLEVEL}${EXTRAVERSION}"
fi
--
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