Add new tool, lto, to do link time optimization. This tool installs

dynamic library that linker can use to optimize llvm byte codes at
link time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29494 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 68 insertions, 0 deletions

diff --git a/tools/lto/Makefile b/tools/lto/Makefile
new file mode 100644
index 0000000000..ef6102c3a3
--- /dev/null
+++ b/tools/lto/Makefile
@@ -0,0 +1,68 @@
+##===- 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.
+# 
+##===----------------------------------------------------------------------===##
+
+LEVEL = ../..
+LIBRARYNAME = LLVMlto
+
+LINK_LIBS_IN_SHARED = 1
+SHARED_LIBRARY = 1
+LOADABLE_MODULE = 1
+DONT_BUILD_RELINKED = 1
+
+# 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 $(LEVEL)/Makefile.config
+
+# Initialize the USEDLIBS so we can add to it
+USEDLIBS :=
+
+# Check for LLVMCBackend  target
+ifneq ($(strip $(filter CBackend,$(TARGETS_TO_BUILD))),)
+USEDLIBS += LLVMCBackend
+endif
+
+ifneq ($(strip $(filter Sparc,$(TARGETS_TO_BUILD))),)
+USEDLIBS += LLVMSparc
+endif
+
+
+#Check for X86 Target
+ifneq ($(strip $(filter X86,$(TARGETS_TO_BUILD))),)
+USEDLIBS += LLVMX86
+endif
+
+#Check for PowerPC Target
+ifneq ($(strip $(filter PowerPC,$(TARGETS_TO_BUILD))),)
+USEDLIBS += LLVMPowerPC
+endif
+
+#Check for Alpha Target
+ifneq ($(strip $(filter Alpha,$(TARGETS_TO_BUILD))),)
+USEDLIBS += LLVMAlpha
+endif
+
+#Check for IA64 Target
+ifneq ($(strip $(filter IA64,$(TARGETS_TO_BUILD))),)
+USEDLIBS += LLVMIA64
+endif
+
+#Check for ARM Target
+ifneq ($(strip $(filter ARM,$(TARGETS_TO_BUILD))),)
+USEDLIBS += LLVMARM
+endif
+
+
+USEDLIBS += 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
+
+include $(LEVEL)/Makefile.common
+