Makefile revision 12817413113b6d0e33ecedea6723bbd03d2eb012 
1##===- tools/lto/Makefile ----------------------------------*- Makefile -*-===##
2# 
3#                     The LLVM Compiler Infrastructure
4#
5# This file is distributed under the University of Illinois Open Source
6# License. See LICENSE.TXT for details.
7# 
8##===----------------------------------------------------------------------===##
9
10LEVEL = ../..
11LIBRARYNAME = LTO
12
13# Include this here so we can get the configuration of the targets
14# that have been configured for construction. We have to do this 
15# early so we can set up LINK_COMPONENTS before including Makefile.rules
16include $(LEVEL)/Makefile.config
17
18LINK_LIBS_IN_SHARED = 1
19SHARED_LIBRARY = 1
20DONT_BUILD_RELINKED = 1
21
22LINK_COMPONENTS := $(TARGETS_TO_BUILD) ipo scalaropts linker bitreader bitwriter
23
24include $(LEVEL)/Makefile.common
25
26ifeq ($(OS),Darwin)
27    # set dylib internal version number to llvmCore submission number
28    ifdef LLVM_SUBMIT_VERSION
29        LLVMLibsOptions := $(LLVMLibsOptions) -Wl,-current_version \
30                        -Wl,$(LLVM_SUBMIT_VERSION).$(LLVM_SUBMIT_SUBVERSION) \
31                        -Wl,-compatibility_version -Wl,1
32    endif
33    # extra options to override libtool defaults 
34    LLVMLibsOptions    := $(LLVMLibsOptions)  \
35                         -no-undefined  -avoid-version \
36                         -Wl,-exported_symbols_list -Wl,$(PROJ_SRC_DIR)/lto.exports \
37                         -Wl,-dead_strip \
38                         -Wl,-seg1addr -Wl,0xE0000000 
39
40    # Mac OS X 10.4 and earlier tools do not allow a second -install_name on command line
41    DARWIN_VERS := $(shell echo $(TARGET_TRIPLE) | sed 's/.*darwin\([0-9]*\).*/\1/')
42    ifneq ($(DARWIN_VERS),8)
43       LLVMLibsOptions    := $(LLVMLibsOptions)  \
44                            -Wl,-install_name \
45                            -Wl,"@executable_path/../lib/lib$(LIBRARYNAME)$(SHLIBEXT)"
46    endif
47endif
48