ccc: Pass '-g' through to clang. Handle -weak_framework.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57779 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/ccc b/utils/ccc
index 0dea3e7..f0821ca 100755
--- a/utils/ccc
+++ b/utils/ccc
@@ -255,6 +255,12 @@
         if argkey in ('-std', '-mmacosx-version-min'):
             compile_opts.append(arg)
 
+        # Special case debug options to only pass -g to clang. This is
+        # wrong.
+        if arg in ('-g', '-gdwarf-2'):
+            compile_opts.append('-g')
+            link_opts.append(arg)
+
         # Options with one argument that should pass through to compiler
         if arg in [ '-include', '-idirafter', '-iprefix',
                        '-iquote', '-isystem', '-iwithprefix',
@@ -271,6 +277,7 @@
 
         # Options with one argument that should pass through
         if arg in ('-framework', '-multiply_defined', '-bundle_loader',
+                   '-weak_framework',
                    '-e', '-install_name',
                    '-unexported_symbols_list', '-exported_symbols_list', 
                    '-compatibility_version', '-current_version', '-init',