USE_LIBTOOL instead of local patch

svn path=/head/; revision=133365

devel/libsigcx/Makefile

@@ -19,6 +19,7 @@ COMMENT=	An extension of libSigC++
 BUILD_DEPENDS=	gm4:${PORTSDIR}/devel/m4
 LIB_DEPENDS=	sigc-1.2.5:${PORTSDIR}/devel/libsigc++12
 
+USE_LIBTOOL_VER=15
 USE_GNOME=	gnomehack gtk20
 USE_GMAKE=	yes
 GNU_CONFIGURE=	yes

devel/libsigcx/files/patch-ltmain.sh

@@ -1,24 +0,0 @@
---- scripts/ltmain.sh.orig	Tue Apr 22 04:13:43 2003
-+++ scripts/ltmain.sh	Tue Nov 11 21:24:05 2003
-@@ -1277,7 +1277,7 @@
- 	  esac
- 	elif test "X$arg" = "X-lc_r"; then
- 	 case $host in
--	 *-*-openbsd* | *-*-freebsd*)
-+	 *-*-openbsd*)
- 	   # Do not include libc_r directly, use -pthread flag.
- 	   continue
- 	   ;;
-@@ -5425,10 +5425,12 @@
- 	fi
- 
- 	# Install the pseudo-library for information purposes.
-+	if /usr/bin/false ; then
- 	name=`$echo "X$file" | $Xsed -e 's%^.*/%%'`
- 	instname="$dir/$name"i
- 	$show "$install_prog $instname $destdir/$name"
- 	$run eval "$install_prog $instname $destdir/$name" || exit $?
-+	fi
- 
- 	# Maybe install the static library, too.
- 	test -n "$old_library" && staticlibs="$staticlibs $dir/$old_library"