Makefile revision a3d84991a8cce76bf461fbca2d700176d9a021bb
1##===- clang/runtime/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# This file defines support for building the Clang runtime libraries (which are 11# implemented by compiler-rt) and placing them in the proper locations in the 12# Clang resources directory (i.e., where the driver expects them). 13# 14##===----------------------------------------------------------------------===## 15 16CLANG_LEVEL := .. 17include $(CLANG_LEVEL)/Makefile 18 19CLANG_VERSION := $(word 3,$(shell grep "CLANG_VERSION " \ 20 $(PROJ_OBJ_DIR)/$(CLANG_LEVEL)/include/clang/Basic/Version.inc)) 21 22ResourceDir := $(PROJ_OBJ_ROOT)/$(BuildMode)/lib/clang/$(CLANG_VERSION) 23PROJ_resources := $(DESTDIR)$(PROJ_prefix)/lib/clang/$(CLANG_VERSION) 24 25ResourceLibDir := $(ResourceDir)/lib 26PROJ_resources_lib := $(PROJ_resources)/lib 27 28# Expect compiler-rt to be in llvm/projects/compiler-rt 29COMPILERRT_SRC_ROOT := $(LLVM_SRC_ROOT)/projects/compiler-rt 30 31ifndef CLANG_NO_RUNTIME 32ifeq ($(shell test -d $(COMPILERRT_SRC_ROOT) && echo OK),OK) 33 34# Select the compiler-rt configuration to use, and install directory. 35# 36# FIXME: Eventually, we want some kind of configure support for this. We want to 37# build/install runtime libraries for as many targets as clang was configured to 38# support. 39RuntimeDirs := 40ifeq ($(OS),Darwin) 41RuntimeDirs += darwin 42RuntimeLibrary.darwin.Configs = 10.4 armv6 cc_kext 43endif 44 45# Rule to build the compiler-rt libraries we need. 46# 47# We build all the libraries in a single shot to avoid recursive make as much as 48# possible. 49BuildRuntimeLibraries: 50 $(Verb) $(MAKE) -C $(COMPILERRT_SRC_ROOT) \ 51 ProjSrcRoot=$(COMPILERRT_SRC_ROOT) \ 52 ProjObjRoot=$(PROJ_OBJ_DIR) \ 53 CC="$(ToolDir)/clang -no-integrated-as" \ 54 $(RuntimeDirs:%=clang_%) 55.PHONY: BuildRuntimeLibraries 56CleanRuntimeLibraries: 57 $(Verb) $(MAKE) -C $(COMPILERRT_SRC_ROOT) \ 58 ProjSrcRoot=$(COMPILERRT_SRC_ROOT) \ 59 ProjObjRoot=$(PROJ_OBJ_DIR) \ 60 clean 61.PHONY: CleanRuntimeLibraries 62 63$(PROJ_resources_lib): 64 $(Verb) $(MKDIR) $@ 65 66# Expand rules for copying/installing each individual library. We can't use 67# implicit rules here because we need to match against multiple things. 68define RuntimeLibraryTemplate 69$(PROJ_OBJ_DIR)/clang_$1/%/libcompiler_rt.a: BuildRuntimeLibraries 70 @true 71.PRECIOUS: $(PROJ_OBJ_DIR)/clang_$1/%/libcompiler_rt.a 72 73# Rule to copy the libraries to their resource directory location. 74$(ResourceLibDir)/$1/libclang_rt.%.a: \ 75 $(PROJ_OBJ_DIR)/clang_$1/%/libcompiler_rt.a \ 76 $(ResourceLibDir)/$1/.dir 77 $(Echo) Copying runtime library $1/$$* to build dir 78 $(Verb) cp $(PROJ_OBJ_DIR)/clang_$1/$$*/libcompiler_rt.a $$@ 79RuntimeLibrary.$1: \ 80 $(RuntimeLibrary.$1.Configs:%=$(ResourceLibDir)/$1/libclang_rt.%.a) 81.PHONY: RuntimeLibrary.$1 82 83$(PROJ_resources_lib)/$1: $(PROJ_resources_lib) 84 $(Verb) $(MKDIR) $$@ 85 86$(PROJ_resources_lib)/$1/libclang_rt.%.a: \ 87 $(ResourceLibDir)/$1/libclang_rt.%.a | $(PROJ_resources_lib)/$1 88 $(Echo) Installing compiler runtime library: $1/$$* 89 $(Verb) $(DataInstall) $$< $(PROJ_resources_lib)/$1 90 91# Rule to install runtime libraries. 92RuntimeLibraryInstall.$1: \ 93 $(RuntimeLibrary.$1.Configs:%=$(PROJ_resources_lib)/$1/libclang_rt.%.a) 94.PHONY: RuntimeLibraryInstall.$1 95endef 96$(foreach lib,$(RuntimeDirs), $(eval $(call RuntimeLibraryTemplate,$(lib)))) 97 98# Hook into the standard Makefile rules. 99all-local:: $(RuntimeDirs:%=RuntimeLibrary.%) 100install-local:: $(RuntimeDirs:%=RuntimeLibraryInstall.%) 101clean-local:: CleanRuntimeLibraries 102 103endif 104endif 105