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-rw-r--r--runtime/libprofile/Makefile30
1 files changed, 30 insertions, 0 deletions
diff --git a/runtime/libprofile/Makefile b/runtime/libprofile/Makefile
index eced5e5f8a..fa0d69c5d4 100644
--- a/runtime/libprofile/Makefile
+++ b/runtime/libprofile/Makefile
@@ -20,3 +20,33 @@ EXTRA_DIST = libprofile.exports
EXPORTED_SYMBOL_FILE = $(PROJ_SRC_DIR)/libprofile.exports
include $(LEVEL)/Makefile.common
+
+ifeq ($(HOST_OS),Darwin)
+ # Special hack to allow libprofile_rt to have an offset version number.
+ ifdef LLVM_LTO_VERSION_OFFSET
+ LTO_LIBRARY_VERSION := $(shell expr $(LLVM_SUBMIT_VERSION) + \
+ $(LLVM_LTO_VERSION_OFFSET))
+ else
+ LTO_LIBRARY_VERSION := $(LLVM_SUBMIT_VERSION)
+ endif
+
+ # Set dylib internal version number to llvmCore submission number.
+ ifdef LLVM_SUBMIT_VERSION
+ LLVMLibsOptions := $(LLVMLibsOptions) -Wl,-current_version \
+ -Wl,$(LTO_LIBRARY_VERSION).$(LLVM_SUBMIT_SUBVERSION) \
+ -Wl,-compatibility_version -Wl,1
+ endif
+ # Extra options to override libtool defaults.
+ LLVMLibsOptions := $(LLVMLibsOptions) \
+ -Wl,-dead_strip \
+ -Wl,-seg1addr -Wl,0xE0000000
+
+ # Mac OS X 10.4 and earlier tools do not allow a second -install_name on
+ # command line.
+ DARWIN_VERS := $(shell echo $(TARGET_TRIPLE) | sed 's/.*darwin\([0-9]*\).*/\1/')
+ ifneq ($(DARWIN_VERS),8)
+ LLVMLibsOptions := $(LLVMLibsOptions) \
+ -Wl,-install_name \
+ -Wl,"@executable_path/../lib/lib$(LIBRARYNAME)$(SHLIBEXT)"
+ endif
+endif