[Sheepdog] [PATCH 1/2] Add m4 macros in configure.ac

[chenbaozi at gmail.com]

From: CHEN Baozi <chenbaozi.pt at taobao.com>

Support getting version from git repo in redhat.

Signed-off-by: CHEN Baozi <chenbaozi.pt at taobao.com>
---
 configure.ac |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/configure.ac b/configure.ac
index dea219b..8883944 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,8 +20,15 @@ AC_PREREQ([2.61])
 
 m4_define([sheepdog_version], [0.2.4])
 
+m4_define([m4_chomp_all],
+[m4_format([[%.*s]], m4_bregexp(m4_translit([[$1]], [
+/], [/ ]), [/*$]), [$1])])  
+
+m4_define([m4_esyscmd_s], [m4_chomp_all(m4_esyscmd([$1]))])     
+
 m4_define([git_version],
-	m4_esyscmd_s([git describe --tags --dirty 2> /dev/null | sed 's/^v//']))
+	m4_esyscmd_s([git describe --tags --dirty 2> /dev/null | sed 's/^v//' \
+| cut -d "-" -f 1]))
 
 AC_INIT([sheepdog], m4_default(git_version, sheepdog_version),
 	[sheepdog at lists.wpkg.org])
-- 
1.7.6.4