# HG changeset patch
# User Rik <rik@octave.org>
# Date 1364316498 25200
# Node ID effe80808118ab734027fc165c04baec38154636
# Parent  7ce21619a4b94f3b40e0910c72a08be004a4260b
configure.ac: Fix Java version detection on NixOS (bug #38593)

* configure.ac: sed pattern now looks only for 'version "xxx.xxx.xxx"'.

diff --git a/configure.ac b/configure.ac
--- a/configure.ac
+++ b/configure.ac
@@ -2385,7 +2385,7 @@
 
   ## Check Java version is recent enough.
   AC_MSG_CHECKING([for Java version])
-  java_version=[`"$JAVA" -version 2>&1 | sed -n -e 's/^java version[^0-9"]*"\([^"]*\)"/\1/p'`]
+  java_version=[`"$JAVA" -version 2>&1 | sed -n -e 's/^[^ ]* version[^0-9"]*"\([^"]*\)"/\1/p'`]
   AC_MSG_RESULT([$java_version])
   java_major=[`echo $java_version | sed -e 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\)\..*$/\1/'`]
   java_minor=[`echo $java_version | sed -e 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\)\..*$/\2/'`]