Fix patch version calculation when it contains non-numeric chars

diff --git a/configure.ac b/configure.ac
index 78656677311c933281a4e4af3d7ae3616870d062..e3bb3c900f9250afb614f8ea471e67df8550b294 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -56,7 +56,7 @@ fi
 # For includes/gnutls/gnutls.h.in.
 AC_SUBST(MAJOR_VERSION, `echo $PACKAGE_VERSION | sed 's/\(.*\)\..*\..*/\1/g'`)
 AC_SUBST(MINOR_VERSION, `echo $PACKAGE_VERSION | sed 's/.*\.\(.*\)\..*/\1/g'`)
-AC_SUBST(PATCH_VERSION, `echo $PACKAGE_VERSION | sed 's/.*\..*\.\(.*\)/\1/g'`)
+AC_SUBST(PATCH_VERSION, [[`echo $PACKAGE_VERSION | sed 's/.*\..*\.\([0-9]*\).*/\1/g'`]])
 AC_SUBST(NUMBER_VERSION, `printf "0x%02x%02x%02x" $MAJOR_VERSION $MINOR_VERSION $PATCH_VERSION`)
 
 touch suppressions.valgrind