configure: Run "svn info" with "-R" to get revision.

git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@837 b68d4a1b-bc3d-0410-92ed-d4ac073336b7

jtag/ChangeLog

@@ -1,3 +1,7 @@
+2007-12-13  Kolja Waschk <kawk>
+
+    * configure.ac: Run "svn info" with "-R" to get latest revision
+
 2007-12-12  Arnim Laeuger  <arniml@users.sourceforge.net>
 
 	* data/Makefile.am (nobase_dist_pkgdata_DATA): add missing '\', fixes

jtag/configure.ac

@@ -29,15 +29,23 @@ AC_REVISION($Revision$)
 
 # Get SVN Revision - idea from xfce-power-manager (C) 2007 by B.Tarricone
 dnl get svn revision
+AC_MSG_CHECKING([code revision])
 SVN=`which svn`
+SVN_REVISION=0
 if test -n "$SVN" -a -x "$SVN"; then
-    SVN_REVISION=`LC_ALL=C svn info | awk '/^Revision: / {printf "%d\n", $2}'`
+    SVN_REVISION=`LC_ALL=C svn info -R | awk 'BEGIN { x=0 } /^Revision: / { if($2>x) x=$2; } END { printf "%d\n",x }'`
+    if test "$SVN_REVISION" -ne "0" ; then
+        AC_MSG_RESULT([from svn info: $SVN_REVISION])
+    fi
 fi
-if test -z "$SVN_REVISION" -a -e "ChangeLog"; then
-    SVN_REVISION=`cat ChangeLog | awk '/Revision: / {printf "%d\n", $2}'`
+if test "$SVN_REVISION" -eq 0 -a -e "ChangeLog"; then
+    SVN_REVISION=`awk 'BEGIN { x=0 } /Revision: / { if($2>x) x=$2; } END { printf "%d\n",x }' ChangeLog`
+    if test "$SVN_REVISION" -ne "0" ; then
+        AC_MSG_RESULT([from ChangeLog: $SVN_REVISION])
+    fi
 fi
-if test -z "$SVN_REVISION" ; then
-    SVN_REVISION=0
+if test "$SVN_REVISION" -eq "0" ; then
+    AC_MSG_RESULT([unknown, using 0])
 fi
 AC_DEFINE_UNQUOTED([SVN_REVISION], "$SVN_REVISION", [subversion revision number])
 AC_SUBST([SVN_REVISION])