1 ##===- tools/lto/Makefile ----------------------------------*- Makefile -*-===##
3 # The LLVM Compiler Infrastructure
5 # This file is distributed under the University of Illinois Open Source
6 # License. See LICENSE.TXT for details.
8 ##===----------------------------------------------------------------------===##
13 EXPORTED_SYMBOL_FILE
= $(PROJ_SRC_DIR
)/lto.exports
15 # Include this here so we can get the configuration of the targets
16 # that have been configured for construction. We have to do this
17 # early so we can set up LINK_COMPONENTS before including Makefile.rules
18 include $(LEVEL
)/Makefile.config
20 LINK_LIBS_IN_SHARED
= 1
23 LINK_COMPONENTS
:= $(TARGETS_TO_BUILD
) ipo scalaropts linker bitreader bitwriter
25 include $(LEVEL
)/Makefile.common
27 ifdef LLVM_VERSION_INFO
28 CXX.Flags
+= -DLLVM_VERSION_INFO
='"$(LLVM_VERSION_INFO)"'
31 ifeq ($(HOST_OS
),Darwin
)
32 # Special hack to allow libLTO to have an offset version number.
33 ifdef LLVM_LTO_VERSION_OFFSET
34 LTO_LIBRARY_VERSION
:= $(shell expr
$(LLVM_SUBMIT_VERSION
) + \
35 $(LLVM_LTO_VERSION_OFFSET
))
37 LTO_LIBRARY_VERSION
:= $(LLVM_SUBMIT_VERSION
)
40 # set dylib internal version number to llvmCore submission number
41 ifdef LLVM_SUBMIT_VERSION
42 LLVMLibsOptions
:= $(LLVMLibsOptions
) -Wl
,-current_version \
43 -Wl
,$(LTO_LIBRARY_VERSION
).
$(LLVM_SUBMIT_SUBVERSION
) \
44 -Wl
,-compatibility_version
-Wl
,1
46 # extra options to override libtool defaults
47 LLVMLibsOptions
:= $(LLVMLibsOptions
) \
49 -Wl
,-seg1addr
-Wl
,0xE0000000
51 # Mac OS X 10.4 and earlier tools do not allow a second -install_name on command line
52 DARWIN_VERS
:= $(shell echo
$(TARGET_TRIPLE
) | sed
's/.*darwin\([0-9]*\).*/\1/')
53 ifneq ($(DARWIN_VERS
),8)
54 LLVMLibsOptions
:= $(LLVMLibsOptions
) \
56 -Wl
,"@executable_path/../lib/lib$(LIBRARYNAME)$(SHLIBEXT)"