Use a special path to place the .o files in.

[oota-llvm.git] / tools / lto / Makefile

diff --git a/tools/lto/Makefile b/tools/lto/Makefile
index 40ed6b167e8cf28e42abade250c477179f1a850c..4a468dedf59f91fe23aebe75d2fe2120415885de 100644 (file)
--- a/tools/lto/Makefile
+++ b/tools/lto/Makefile
@@ -1,30 +1,60 @@
-##===- tools/lto/Makefile -----------------------------------*- Makefile -*-===##
+##===- tools/lto/Makefile ----------------------------------*- Makefile -*-===##
 # 
 #                     The LLVM Compiler Infrastructure
 #
-# This file was developed by Devang Patel and is distributed under
-# the University of Illinois Open Source License. See LICENSE.TXT for details.
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
 # 
 ##===----------------------------------------------------------------------===##
 
-LEVEL = ../..
-LIBRARYNAME = LLVMlto
+LEVEL := ../..
+LIBRARYNAME := LTO
+LINK_COMPONENTS := all-targets ipo scalaropts linker bitreader bitwriter \
+                   mcdisassembler vectorize
+LINK_LIBS_IN_SHARED := 1
+SHARED_LIBRARY := 1
 
-LINK_LIBS_IN_SHARED = 1
-SHARED_LIBRARY = 1
-LOADABLE_MODULE = 1
-DONT_BUILD_RELINKED = 1
+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 USEDLIBS properly before includeing Makefile.rules
-include $(LEVEL)/Makefile.config
+include $(LEVEL)/Makefile.common
 
-USEDLIBS := $(addprefix LLVM,$(TARGETS_TO_BUILD)) \
-       LLVMSelectionDAG.a LLVMCodeGen.a LLVMipo.a LLVMTransforms.a \
-       LLVMScalarOpts.a LLVMipa.a LLVMTransformUtils.a LLVMAnalysis.a \
-       LLVMTarget.a LLVMBCReader.a LLVMBCWriter.a LLVMSystem.a LLVMLinker.a \
-       LLVMCore.a LLVMSupport.a LLVMbzip2.a
+ifdef LLVM_VERSION_INFO
+CXX.Flags += -DLLVM_VERSION_INFO='"$(LLVM_VERSION_INFO)"'
+endif
 
-include $(LEVEL)/Makefile.common
+ifeq ($(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
 
+    # If we're doing an Apple-style build, add the LTO object path.
+    ifeq ($(RC_BUILDIT),YES)
+       ObjDir             := $(shell mkdir -p ${OBJROOT}/dSYMs)
+       TempFile           := $(shell mktemp ${ObjDir}/llvm-lto.XXXXXX)
+       LLVMLibsOptions    := $(LLVMLibsOptions) \
+                             -Wl,-object_path_lto -Wl,$(TempFile)
+    endif
+endif