$NetBSD: patch-configure,v 1.4 2016/07/01 16:02:12 fhajny Exp $

Portability. Avoid mangling of other compiler debug flags.

--- configure.orig	2016-03-26 17:20:08.000000000 +0000
+++ configure
@@ -30710,7 +30710,7 @@ GETPGIDLIB=""
 if ( test "$HAVE_GETPGID" = "yes" )
 then
 SAVECXXFLAGS="$CXXFLAGS"
-CXXFLAGS=`echo $CXXFLAGS | sed -e "s|-g1||" -e "s|-g2||" -e "s|-g3||" -e "s|-g||"`
+CXXFLAGS=`echo $CXXFLAGS | sed -e "s|-g1||" -e "s|-g2||" -e "s|-g3||" -e "s|-g ||" -e "s|-g$||"`
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether getpgid needs -lg" >&5
 $as_echo_n "checking whether getpgid needs -lg... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext