AC_PKG_SWIG()

[David Schleef]

AC_PKG_SWIG() doesn't like many of the version strings I've
experienced with SWIG packages on some platforms.  The following
patch fixes it, and includes some example version strings.

diff -u -r1.1 -r1.3
--- ac_pkg_swig.m4      2 Jul 2003 20:14:48 -0000       1.1
+++ ac_pkg_swig.m4      2 Jul 2003 22:49:42 -0000       1.3
@@ -30,8 +30,12 @@
 
        AC_MSG_CHECKING(swig version)
 
+       dnl Example version lines
+       dnl SWIG Version 1.1 (Build 883)
+       dnl SWIG Version 1.3.11u-20020223-0308
+       dnl SWIG Version 1.3.19
        changequote(<<, >>)
-       swig_version=`$SWIG -version 2>&1 | sed 's/.* 
\([0-9]*\.[0-9]*\.[0-9]*\).*/\1/p; d'`
+       swig_version=`$SWIG -version 2>&1 | sed 's/.* 
\([0-9][0-9]*\)[^0-9][^0-9]*\([0-9][0-9]*\)[^0-9][^0-9]*\([0-9][0-9]*\).*/\1.\2.\3/p;
 d'`
        swig_major_ver=`expr $swig_version : "\([0-9]\+\)\.[0-9]\+\.*[0-9]*"`
        swig_minor_ver=`expr $swig_version : "[0-9]\+\.\([0-9]\+\)\.*[0-9]*"`
        swig_micro_ver=`expr $swig_version : "[0-9]\+\.[0-9]\+\.*\([0-9]*\)" 
"|" 0`



dave...