Makefile revision ea6c39d417172a8edb99667e93cd6b67cd024e6a 
1##===- tools/shlib/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 = LLVM-$(LLVMVersion)
12
13NO_BUILD_ARCHIVE = 1
14LINK_LIBS_IN_SHARED = 1
15SHARED_LIBRARY = 1
16
17include $(LEVEL)/Makefile.common
18
19# Include all archives in libLLVM.(so|dylib) except the ones that have
20# their own dynamic libraries.
21Archives := $(wildcard $(LibDir)/libLLVM*.a)
22SharedLibraries := $(wildcard $(LibDir)/libLLVM*$(SHLIBEXT))
23IncludeInLibLlvm := $(filter-out $(basename $(SharedLibraries)).a, $(Archives))
24LLVMLibsOptions := $(IncludeInLibLlvm:$(LibDir)/lib%.a=-l%)
25LLVMLibsPaths   := $(IncludeInLibLlvm)
26
27$(LibName.SO): $(LLVMLibsPaths)
28
29ifeq ($(HOST_OS),Darwin)
30    # set dylib internal version number to llvmCore submission number
31    ifdef LLVM_SUBMIT_VERSION
32        LLVMLibsOptions := $(LLVMLibsOptions) -Wl,-current_version \
33                        -Wl,$(LLVM_SUBMIT_VERSION).$(LLVM_SUBMIT_SUBVERSION) \
34                        -Wl,-compatibility_version -Wl,1
35    endif
36    # Include everything from the .a's into the shared library.
37    LLVMLibsOptions    := $(LLVMLibsOptions) -all_load
38    # extra options to override libtool defaults 
39    LLVMLibsOptions    := $(LLVMLibsOptions)  \
40                         -avoid-version \
41                         -Wl,-dead_strip \
42                         -Wl,-seg1addr -Wl,0xE0000000 
43
44    # Mac OS X 10.4 and earlier tools do not allow a second -install_name on command line
45    DARWIN_VERS := $(shell echo $(TARGET_TRIPLE) | sed 's/.*darwin\([0-9]*\).*/\1/')
46    ifneq ($(DARWIN_VERS),8)
47       LLVMLibsOptions    := $(LLVMLibsOptions)  \
48                            -Wl,-install_name \
49                            -Wl,"@executable_path/../lib/lib$(LIBRARYNAME)$(SHLIBEXT)"
50    endif
51endif
52
53ifeq ($(HOST_OS), Linux)
54    # Include everything from the .a's into the shared library.
55    LLVMLibsOptions := -Wl,--whole-archive $(LLVMLibsOptions) \
56                       -Wl,--no-whole-archive
57    # Warn if we'll need to modify the text segment when loading libLLVM.so.
58    LLVMLibsOptions += -Wl,--warn-shared-textrel
59    # Don't allow unresolved symbols.
60    LLVMLibsOptions += -Wl,--no-undefined
61    ifneq ($(ARCH), ARM)
62        # ARM's shared libgcc omits several of the __sync functions that are
63        # present in the static libgcc, so we also link in the static gcc.  This
64        # is described at http://gcc.gnu.org/PR40133.
65        LLVMLibsOptions += -lgcc
66    endif
67endif
68