Author: ddunbar
Date: Fri Sep 10 16:42:03 2010
New Revision: 113638
URL: http://llvm.org/viewvc/llvm-project?rev=113638&view=rev
Log:
Driver: Set TOOL_NO_EXPORTS when building a "production" compiler, we don't
currently expect that to be useful for plugins, and this is important for
startup performance:
--
ddun...@lordcrumb:tmp$ touch empty.c
ddun...@lordcrumb:tmp$ runN 100 ~/llvm.obj.64/Release/bin/clang -c empty.c
name avg min med max SD total
user 0.0054 0.0052 0.0054 0.0055 0.0000 0.5350
sys 0.0084 0.0090 0.0078 0.0087 0.0008 0.8390
wall 0.0149 0.0149 0.0149 0.0149 0.0003 1.4943
ddun...@lordcrumb:tmp$ runN 100 ~/llvm.obj.64/Release/bin/clang -c empty.c
name avg min med max SD total
user 0.0036 0.0036 0.0036 0.0038 0.0000 0.3646
sys 0.0072 0.0071 0.0068 0.0070 0.0006 0.7158
wall 0.0123 0.0123 0.0122 0.0136 0.0003 1.2262
--
Modified:
cfe/trunk/tools/driver/Makefile
Modified: cfe/trunk/tools/driver/Makefile
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/driver/Makefile?rev=113638&r1=113637&r2=113638&view=diff
==============================================================================
--- cfe/trunk/tools/driver/Makefile (original)
+++ cfe/trunk/tools/driver/Makefile Fri Sep 10 16:42:03 2010
@@ -17,6 +17,12 @@
endif
endif
+# We don't currently expect production Clang builds to be interested in
+# plugins. This is important for startup performance.
+ifdef CLANG_IS_PRODUCTION
+TOOL_NO_EXPORTS := 1
+endif
+
# Include tool version information on OS X.
TOOL_INFO_PLIST := Info.plist
_______________________________________________
cfe-commits mailing list
[email protected]
http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
