Add a lto_codegen_compile_to_file to avoid producing a file, reading it to
[oota-llvm.git] / tools / lto / Makefile
index c7befa44c108f66767ac89763ec2855d75c228f2..294c81b9e734400630e494d8b8922d4306f94a43 100644 (file)
@@ -2,25 +2,57 @@
 # 
 #                     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
+LIBRARYNAME = LTO
 
-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 LINK_COMPONENTS before includeing Makefile.rules
+# early so we can set up LINK_COMPONENTS before including Makefile.rules
 include $(LEVEL)/Makefile.config
 
-LINK_COMPONENTS := $(TARGETS_TO_BUILD) ipo scalaropts bcreader bcwriter
+LINK_LIBS_IN_SHARED = 1
+SHARED_LIBRARY = 1
+
+LINK_COMPONENTS := $(TARGETS_TO_BUILD) ipo scalaropts linker bitreader bitwriter
 
 include $(LEVEL)/Makefile.common
 
+ifdef LLVM_VERSION_INFO
+CXX.Flags += -DLLVM_VERSION_INFO='"$(LLVM_VERSION_INFO)"'
+endif
+
+ifeq ($(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
+endif