| ##===- clang/runtime/Makefile ------------------------------*- Makefile -*-===## |
| # |
| # The LLVM Compiler Infrastructure |
| # |
| # This file is distributed under the University of Illinois Open Source |
| # License. See LICENSE.TXT for details. |
| # |
| ##===----------------------------------------------------------------------===## |
| # |
| # This file defines support for building the Clang runtime libraries (which are |
| # implemented by compiler-rt) and placing them in the proper locations in the |
| # Clang resources directory (i.e., where the driver expects them). |
| # |
| ##===----------------------------------------------------------------------===## |
| |
| CLANG_LEVEL := .. |
| include $(CLANG_LEVEL)/Makefile |
| |
| CLANG_VERSION := $(word 3,$(shell grep "CLANG_VERSION " \ |
| $(PROJ_OBJ_DIR)/$(CLANG_LEVEL)/include/clang/Basic/Version.inc)) |
| |
| ResourceDir := $(PROJ_OBJ_ROOT)/$(BuildMode)/lib/clang/$(CLANG_VERSION) |
| PROJ_resources := $(DESTDIR)$(PROJ_prefix)/lib/clang/$(CLANG_VERSION) |
| |
| ResourceLibDir := $(ResourceDir)/lib |
| PROJ_resources_lib := $(PROJ_resources)/lib |
| |
| # Expect compiler-rt to be in llvm/projects/compiler-rt |
| COMPILERRT_SRC_ROOT := $(LLVM_SRC_ROOT)/projects/compiler-rt |
| |
| ifndef CLANG_NO_RUNTIME |
| ifeq ($(shell test -d $(COMPILERRT_SRC_ROOT) && echo OK),OK) |
| |
| # Select the compiler-rt configuration to use, and install directory. |
| # |
| # FIXME: Eventually, we want some kind of configure support for this. We want to |
| # build/install runtime libraries for as many targets as clang was configured to |
| # support. |
| RuntimeDirs := |
| ifeq ($(OS),Darwin) |
| RuntimeDirs += darwin |
| RuntimeLibrary.darwin.Configs = eprintf 10.4 armv6 cc_kext |
| endif |
| |
| # Rule to build the compiler-rt libraries we need. |
| # |
| # We build all the libraries in a single shot to avoid recursive make as much as |
| # possible. |
| BuildRuntimeLibraries: |
| $(Verb) $(MAKE) -C $(COMPILERRT_SRC_ROOT) \ |
| ProjSrcRoot=$(COMPILERRT_SRC_ROOT) \ |
| ProjObjRoot=$(PROJ_OBJ_DIR) \ |
| CC="$(ToolDir)/clang -no-integrated-as" \ |
| $(RuntimeDirs:%=clang_%) |
| .PHONY: BuildRuntimeLibraries |
| CleanRuntimeLibraries: |
| $(Verb) $(MAKE) -C $(COMPILERRT_SRC_ROOT) \ |
| ProjSrcRoot=$(COMPILERRT_SRC_ROOT) \ |
| ProjObjRoot=$(PROJ_OBJ_DIR) \ |
| clean |
| .PHONY: CleanRuntimeLibraries |
| |
| $(PROJ_resources_lib): |
| $(Verb) $(MKDIR) $@ |
| |
| # Expand rules for copying/installing each individual library. We can't use |
| # implicit rules here because we need to match against multiple things. |
| define RuntimeLibraryTemplate |
| $(PROJ_OBJ_DIR)/clang_$1/%/libcompiler_rt.a: BuildRuntimeLibraries |
| @true |
| .PRECIOUS: $(PROJ_OBJ_DIR)/clang_$1/%/libcompiler_rt.a |
| |
| # Rule to copy the libraries to their resource directory location. |
| $(ResourceLibDir)/$1/libclang_rt.%.a: \ |
| $(PROJ_OBJ_DIR)/clang_$1/%/libcompiler_rt.a \ |
| $(ResourceLibDir)/$1/.dir |
| $(Echo) Copying runtime library $1/$$* to build dir |
| $(Verb) cp $(PROJ_OBJ_DIR)/clang_$1/$$*/libcompiler_rt.a $$@ |
| RuntimeLibrary.$1: \ |
| $(RuntimeLibrary.$1.Configs:%=$(ResourceLibDir)/$1/libclang_rt.%.a) |
| .PHONY: RuntimeLibrary.$1 |
| |
| $(PROJ_resources_lib)/$1: $(PROJ_resources_lib) |
| $(Verb) $(MKDIR) $$@ |
| |
| $(PROJ_resources_lib)/$1/libclang_rt.%.a: \ |
| $(ResourceLibDir)/$1/libclang_rt.%.a | $(PROJ_resources_lib)/$1 |
| $(Echo) Installing compiler runtime library: $1/$$* |
| $(Verb) $(DataInstall) $$< $(PROJ_resources_lib)/$1 |
| |
| # Rule to install runtime libraries. |
| RuntimeLibraryInstall.$1: \ |
| $(RuntimeLibrary.$1.Configs:%=$(PROJ_resources_lib)/$1/libclang_rt.%.a) |
| .PHONY: RuntimeLibraryInstall.$1 |
| endef |
| $(foreach lib,$(RuntimeDirs), $(eval $(call RuntimeLibraryTemplate,$(lib)))) |
| |
| # Hook into the standard Makefile rules. |
| all-local:: $(RuntimeDirs:%=RuntimeLibrary.%) |
| install-local:: $(RuntimeDirs:%=RuntimeLibraryInstall.%) |
| clean-local:: CleanRuntimeLibraries |
| |
| endif |
| endif |