commit c1212a39e0a00f2e41d266949f1b28de087ad6ff
author Daniel Dunbar <daniel@zuster.org> Thu Feb 05 02:43:38 2009 +0000
committer Daniel Dunbar <daniel@zuster.org> Thu Feb 05 02:43:38 2009 +0000
tree 432a9fa8359be5606d7a3af699c34d86db897933
parent a6f80ef997f0363386749087b325607eaa5adcfc

ccc: Translate -O to -O1 for clang, and only pass last -O option.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63816 91177308-0d34-0410-b5e6-96231b3b80d8

tools/ccc/ccclib/Tools.py

diff --git a/tools/ccc/ccclib/Tools.py b/tools/ccc/ccclib/Tools.py
index 13d4a54..4b600af 100644
--- a/tools/ccc/ccclib/Tools.py
+++ b/tools/ccc/ccclib/Tools.py
@@ -307,7 +307,14 @@
 
         arglist.addAllArgs(cmd_args, arglist.parser.fblocksGroup)
 
-        arglist.addAllArgs(cmd_args, arglist.parser.OOption)
+        # Manually translate -O to -O1; let clang reject others.
+        arg = arglist.getLastArg(arglist.parser.OOption)
+        if arg:
+            if arglist.getValue(arg) == '':
+                cmd_args.append('-O1')
+            else:
+                cmd_args.extend(arglist.render(arg))
+
         arglist.addAllArgs2(cmd_args, arglist.parser.ClangWGroup, arglist.parser.pedanticGroup)
         arglist.addLastArg(cmd_args, arglist.parser.wOption)
         arglist.addAllArgs3(cmd_args, arglist.parser.stdOption, arglist.parser.ansiOption, arglist.parser.trigraphsOption)