##===----------------------------------------------------------------------===##
LEVEL = ../..
-LIBRARYNAME = LLVMlto
+LIBRARYNAME = LTO
+
+EXPORTED_SYMBOL_FILE = $(PROJ_SRC_DIR)/lto.exports
# Include this here so we can get the configuration of the targets
# that have been configured for construction. We have to do this
-# early so we can set up LINK_COMPONENTS before includeing Makefile.rules
+# early so we can set up LINK_COMPONENTS before including Makefile.rules
include $(LEVEL)/Makefile.config
LINK_LIBS_IN_SHARED = 1
-ifeq ($(OS),Darwin)
- SHARED_LIBRARY = 1
- LOADABLE_MODULE = 1
- DONT_BUILD_RELINKED = 1
-else
- BUILD_ARCHIVE = 1
-endif
+SHARED_LIBRARY = 1
LINK_COMPONENTS := $(TARGETS_TO_BUILD) ipo scalaropts linker bitreader bitwriter
include $(LEVEL)/Makefile.common
+ifdef LLVM_VERSION_INFO
+CXX.Flags += -DLLVM_VERSION_INFO='"$(LLVM_VERSION_INFO)"'
+endif
+
+ifeq ($(HOST_OS),Darwin)
+ # Special hack to allow libLTO 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