Some systems, like the Gentoo, copy the svn contents somewhere before
doing the autoconf, this may result in lack of .svn and thus minor
version "0".
This patch introduces the $SVN_REPO_PATH to say where the svn checkout
containing the ".svn" directory is.
SVN revision: 49594
m4_define([v_maj], [0])
m4_define([v_min], [7])
m4_define([v_mic], [0])
-m4_define([v_rev], m4_esyscmd([(svnversion . | grep -v exported || echo 0) | awk -F : '{printf("%s\n", $1);}' | tr -d ' :MSP\n']))
+m4_define([v_rev], m4_esyscmd([(svnversion "${SVN_REPO_PATH:-.}" | grep -v exported || echo 0) | awk -F : '{printf("%s\n", $1);}' | tr -d ' :MSP\n']))
m4_if(v_rev, [0], [m4_define([v_rev], m4_esyscmd([git log 2> /dev/null | (grep -m1 git-svn-id || echo 0) | sed -e 's/.*@\([0-9]*\).*/\1/' | tr -d '\n']))])
##-- When released, remove the dnl on the below line
dnl m4_undefine([v_rev])