Author: lattner
Date: Thu Dec 4 18:10:44 2008
New Revision: 60568
URL: http://llvm.org/viewvc/llvm-project?rev=60568&view=rev
Log:
-std=c99 defaults blocks to off even on darwin, but -fblocks overrides
even it.
Modified:
cfe/trunk/Driver/clang.cpp
Modified: cfe/trunk/Driver/clang.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/Driver/clang.cpp?rev=60568&r1=60567&r2=60568&view=diff
==============================================================================
--- cfe/trunk/Driver/clang.cpp (original)
+++ cfe/trunk/Driver/clang.cpp Thu Dec 4 18:10:44 2008
@@ -569,8 +569,16 @@
// Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs or -ansi
// is specified, or -std is set to a conforming mode.
- Options.Trigraphs = LangStd < lang_gnu_START || Trigraphs ? 1 : 0;
-
+ Options.Trigraphs = LangStd < lang_gnu_START;
+ if (Trigraphs.getPosition())
+ Options.Trigraphs = Trigraphs; // Command line option wins.
+
+ // If in a conformant language mode (e.g. -std=c99) Blocks defaults to off
+ // even if they are normally on for the target. In GNU modes (e.g.
+ // -std=gnu99) the default for blocks depends on the target settings.
+ if (LangStd < lang_gnu_START)
+ Options.Blocks = 0;
+
Options.DollarIdents = 1; // FIXME: Really a target property.
if (PascalStrings.getPosition())
Options.PascalStrings = PascalStrings;
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