Add support for building the LLVM libraries and tools as a Mac OS/X

universal binary, by specifying UNIVERSAL=1 on the make command line.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27447 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/Makefile.rules b/Makefile.rules
index 0144d8dea238d53dd77f07534785264c2393d517..3449d3eadf7f87268b978e9f5815b4ddac6a45f5 100644 (file)
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -360,6 +360,13 @@ ifeq ($(OS),HP-UX)
   CompileCommonOpts := -D_REENTRANT -D_HPUX_SOURCE
 endif
 
+# If we are building a universal binary on Mac OS/X, pass extra options.  This is
+# useful to people that want to link the LLVM libraries into their universal apps.
+ifdef UNIVERSAL
+  CompileCommonOpts += -arch i386 -arch ppc -isysroot /Developer/SDKs/MACOSX10.4u.sdk/
+  DISABLE_AUTO_DEPENDENCIES=1
+endif
+
 LD.Flags      += -L$(LibDir) -L$(LLVMLibDir) 
 CPP.BaseFlags += -D_GNU_SOURCE -D__STDC_LIMIT_MACROS
 # All -I flags should go here, so that they don't confuse llvm-config.