tools/llvm-shlib/Makefile

   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
  10 LEVEL = ../..
  11
  12 LIBRARYNAME = LLVM-$(LLVMVersion)
  13
  14 NO_BUILD_ARCHIVE = 1
  15 LINK_LIBS_IN_SHARED = 1
  16 SHARED_LIBRARY = 1
  17
  18 include $(LEVEL)/Makefile.common
  19
  20 # Include all archives in libLLVM.(so|dylib) except the ones that have
  21 # their own dynamic libraries.
  22 Archives := $(wildcard $(LibDir)/libLLVM*.a)
  23 SharedLibraries := $(wildcard $(LibDir)/libLLVM*$(SHLIBEXT))
  24 IncludeInLibLlvm := $(filter-out $(basename $(SharedLibraries)).a, $(Archives))
  25 LLVMLibsOptions := $(IncludeInLibLlvm:$(LibDir)/lib%.a=-l%)
  26 LLVMLibsPaths   := $(IncludeInLibLlvm)
  27
  28 $(LibName.SO): $(LLVMLibsPaths)
  29
  30 ifeq ($(HOST_OS),Darwin)
  31     # set dylib internal version number to llvmCore submission number
  32     ifdef LLVM_SUBMIT_VERSION
  33         LLVMLibsOptions := $(LLVMLibsOptions) -Wl,-current_version \
  34                         -Wl,$(LLVM_SUBMIT_VERSION).$(LLVM_SUBMIT_SUBVERSION) \
  35                         -Wl,-compatibility_version -Wl,1
  36     endif
  37     # Include everything from the .a's into the shared library.
  38     LLVMLibsOptions    := $(LLVMLibsOptions) -all_load
  39     # extra options to override libtool defaults
  40     LLVMLibsOptions    := $(LLVMLibsOptions)  \
  41                          -avoid-version \
  42                          -Wl,-dead_strip \
  43                          -Wl,-seg1addr -Wl,0xE0000000
  44
  45     # Mac OS X 10.4 and earlier tools do not allow a second -install_name on command line
  46     DARWIN_VERS := $(shell echo $(TARGET_TRIPLE) | sed 's/.*darwin\([0-9]*\).*/\1/')
  47     ifneq ($(DARWIN_VERS),8)
  48        LLVMLibsOptions    := $(LLVMLibsOptions)  \
  49                             -Wl,-install_name \
  50                             -Wl,"@executable_path/../lib/lib$(LIBRARYNAME)$(SHLIBEXT)"
  51     endif
  52 endif
  53
  54 ifeq ($(HOST_OS), Linux)
  55     # Include everything from the .a's into the shared library.
  56     LLVMLibsOptions := -Wl,--whole-archive $(LLVMLibsOptions) \
  57                        -Wl,--no-whole-archive
  58     # Don't allow unresolved symbols.
  59     LLVMLibsOptions += -Wl,--no-undefined
  60 endif