Pass -single_module option to gcc when linking dynamic libraries for use with bugpoint, so that we can bugpoint multiple .cp files
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17102 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/ToolRunner.cpp b/lib/Support/ToolRunner.cpp
index 3dc9845..1584db4 100644
--- a/lib/Support/ToolRunner.cpp
+++ b/lib/Support/ToolRunner.cpp
@@ -409,6 +409,7 @@
#if defined(sparc) || defined(__sparc__) || defined(__sparcv9)
"-G", // Compile a shared library, `-G' for Sparc
#elif (defined(__POWERPC__) || defined(__ppc__)) && defined(__APPLE__)
+ "-single_module", // link all source files into a single module
"-dynamiclib", // `-dynamiclib' for MacOS X/PowerPC
"-fno-common", // allow global vars w/o initializers to live
"-undefined", // in data segment, rather than generating