[llvm-commits] [llvm] r66550 - /llvm/trunk/Makefile.rules

[Chris Lattner]

Author: lattner
Date: Tue Mar 10 12:15:56 2009
New Revision: 66550

URL: http://llvm.org/viewvc/llvm-project?rev=66550&view=rev
Log:
don't pass -Wl,-exported_symbol -Wl,_main to the linker when building on
Tiger.  PR3743

Modified:
    llvm/trunk/Makefile.rules

Modified: llvm/trunk/Makefile.rules
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/Makefile.rules?rev=66550&r1=66549&r2=66550&view=diff

==============================================================================
--- llvm/trunk/Makefile.rules (original)
+++ llvm/trunk/Makefile.rules Tue Mar 10 12:15:56 2009
@@ -469,6 +469,8 @@
   DARWIN_VERSION := `sw_vers -productVersion`
   # Strip a number like 10.4.7 to 10.4
   DARWIN_VERSION := $(shell echo $(DARWIN_VERSION)| sed -E 's/(10.[0-9]).*/\1/')
+  # Get "4" out of 10.4 for later pieces in the makefile.
+  DARWIN_MAJVERS := $(shell echo $(DARWIN_VERSION)| sed -E 's/10.([0-9]).*/\1/')
      
   SharedLinkOptions=-Wl,-flat_namespace -Wl,-undefined -Wl,suppress -bundle \
                     -mmacosx-version-min=$(DARWIN_VERSION)
@@ -1116,8 +1118,12 @@
 # startup time by 4x on darwin in some cases.
 ifdef TOOL_NO_EXPORTS
 ifeq ($(OS),Darwin)
+
+# Tiger tools don't support this.
+ifneq ($(DARWIN_MAJVERS),4)
 LD.Flags += -Wl,-exported_symbol -Wl,_main
 endif
+endif
 
 ifeq ($(OS), $(filter $(OS), Linux NetBSD FreeBSD))
 LD.Flags += -Wl,--version-script=$(LLVM_SRC_ROOT)/autoconf/ExportMap.map