change .a libraries to .so in llvm-config37

PR:		205103
Submitted by:	kwm
Obtained from:	https://bugs.gentoo.org/show_bug.cgi?id=565358

devel/llvm37/Makefile

@@ -2,7 +2,7 @@
 
 PORTNAME=	llvm
 DISTVERSION=	3.7.0
-PORTREVISION=	5
+PORTREVISION=	6
 CATEGORIES=	devel lang
 MASTER_SITES=	http://llvm.org/${PRE_}releases/${LLVM_RELEASE}/${RCDIR}
 DISTNAME=	${PORTNAME}-${DISTVERSION}.src

devel/llvm37/files/patch-tools_llvm-config_llvm-config.cpp

@@ -0,0 +1,14 @@
+--- tools/llvm-config/llvm-config.cpp.orig	2015-12-21 11:12:59.047349000 +0100
++++ tools/llvm-config/llvm-config.cpp	2015-12-21 11:14:08.881815000 +0100
+@@ -360,8 +360,9 @@ int main(int argc, char **argv) {
+           OS << ActiveLibDir << '/' << Lib;
+         } else if (PrintLibs) {
+           // If this is a typical library name, include it using -l.
+-          if (Lib.startswith("lib") && Lib.endswith(".a")) {
+-            OS << "-l" << Lib.slice(3, Lib.size()-2);
++          if (Lib.startswith("lib") && Lib.endswith(LTDL_SHLIB_EXT)) {
++            // sizeof counts trailing NULL
++            OS << "-l" << Lib.slice(3, Lib.size()-sizeof(LTDL_SHLIB_EXT)+1);
+             continue;
+           }
+ 

devel/llvm37/files/patch-utils_llvm-build_llvmbuild_main.py

@@ -1,6 +1,24 @@
---- utils/llvm-build/llvmbuild/main.py.orig	2015-07-20 23:51:12 UTC
-+++ utils/llvm-build/llvmbuild/main.py
-@@ -718,7 +718,17 @@ def add_magic_target_components(parser, 
+--- utils/llvm-build/llvmbuild/main.py.orig	2014-11-19 04:34:20.000000000 +0100
++++ utils/llvm-build/llvmbuild/main.py	2015-12-21 11:15:34.356019000 +0100
+@@ -393,6 +393,8 @@ subdirectories = %s
+ //
+ //===----------------------------------------------------------------------===//
+ 
++#include "llvm/Config/config.h"
++
+ """)
+         f.write('struct AvailableComponent {\n')
+         f.write('  /// The name of the component.\n')
+@@ -413,7 +415,7 @@ subdirectories = %s
+             if library_name is None:
+                 library_name_as_cstr = '0'
+             else:
+-                library_name_as_cstr = '"lib%s.a"' % library_name
++                library_name_as_cstr = '"lib%s" LTDL_SHLIB_EXT' % library_name
+             f.write('  { "%s", %s, %d, { %s } },\n' % (
+                 name, library_name_as_cstr, is_installed,
+                 ', '.join('"%s"' % dep
+@@ -718,7 +720,17 @@ def add_magic_target_components(parser, 
  
      # We handle a few special cases of target names here for historical
      # reasons, as these are the names configure currently comes up with.