- Add support for lang/clang33 from ports which installs it's binaries as

clang33 and clang++33. Right now libtool fails for various ports and aks
for a "--tag" flag because it tries to detect tag based on the binary name
but doesn't know about clang33.

PR:		ports/179809
Submitted by:	myself
Approved by:	maintainer timeout (9 weeks)

devel/libtool/Makefile

@@ -7,6 +7,7 @@
 
 PORTNAME?=	libtool
 PORTVERSION=	2.4.2
+PORTREVISION=	1
 CATEGORIES=	devel
 MASTER_SITES=	${MASTER_SITE_GNU}
 MASTER_SITE_SUBDIR=	libtool

devel/libtool/files/patch-libltdl_config_ltmain.sh

@@ -4,8 +4,8 @@
      $opt_debug
 +
 +    # FreeBSD-specific: where we install compilers with non-standard names
-+    tag_compilers_CC="*cc cc* *gcc gcc* clang"
-+    tag_compilers_CXX="*c++ c++* *g++ g++* clang++"
++    tag_compilers_CC="*cc cc* *gcc gcc* clang*"
++    tag_compilers_CXX="*c++ c++* *g++ g++* clang++*"
 +    base_compiler=`set -- "$@"; echo $1`
 +
 +    # If $tagname isn't set, then try to infer if the default "CC" tag applies