rust/mk/rustllvm.mk

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# Copyright 2012 The Rust Project Developers. See the COPYRIGHT
# file at the top-level directory of this distribution and at
# http://rust-lang.org/COPYRIGHT.
#
# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
# option. This file may not be copied, modified, or distributed
# except according to those terms.
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######################################################################
# rustc LLVM-extensions (C++) library variables and rules
######################################################################
define DEF_RUSTLLVM_TARGETS
# FIXME: Lately, on windows, llvm-config --includedir is not enough
# to find the llvm includes (probably because we're not actually installing
# llvm, but using it straight out of the build directory)
ifdef CFG_WINDOWSY_$(1)
LLVM_EXTRA_INCDIRS_$(1)= $$(call CFG_CC_INCLUDE_$(1),$(S)src/llvm/include) \
$$(call CFG_CC_INCLUDE_$(1),\
$$(CFG_LLVM_BUILD_DIR_$(1))/include)
endif
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RUSTLLVM_OBJS_CS_$(1) := $$(addprefix rustllvm/, \
ExecutionEngineWrapper.cpp RustWrapper.cpp PassWrapper.cpp)
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RUSTLLVM_INCS_$(1) = $$(LLVM_EXTRA_INCDIRS_$(1)) \
$$(call CFG_CC_INCLUDE_$(1),$$(LLVM_INCDIR_$(1))) \
$$(call CFG_CC_INCLUDE_$(1),$$(S)src/rustllvm/include)
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RUSTLLVM_OBJS_OBJS_$(1) := $$(RUSTLLVM_OBJS_CS_$(1):rustllvm/%.cpp=$(1)/rustllvm/%.o)
# Note that we appease `cl.exe` and its need for some sort of exception
# handling flag with the `EHsc` argument here as well.
ifeq ($$(findstring msvc,$(1)),msvc)
EXTRA_RUSTLLVM_CXXFLAGS_$(1) := //EHsc
endif
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$$(RT_OUTPUT_DIR_$(1))/$$(call CFG_STATIC_LIB_NAME_$(1),rustllvm): \
$$(RUSTLLVM_OBJS_OBJS_$(1))
@$$(call E, link: $$@)
$$(Q)$$(call CFG_CREATE_ARCHIVE_$(1),$$@) $$^
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# On MSVC we need to double-escape arguments that llvm-config printed which
# start with a '/'. The shell we're running in will auto-translate the argument
# `/foo` to `C:/msys64/foo` but we really want it to be passed through as `/foo`
# so the argument passed to our shell must be `//foo`.
$(1)/rustllvm/%.o: $(S)src/rustllvm/%.cpp $$(MKFILE_DEPS) $$(LLVM_CONFIG_$(1))
@$$(call E, compile: $$@)
$$(Q)$$(call CFG_COMPILE_CXX_$(1), $$@,) \
$$(subst /,//,$$(LLVM_CXXFLAGS_$(1))) \
$$(EXTRA_RUSTLLVM_CXXFLAGS_$(1)) \
$$(RUSTLLVM_INCS_$(1)) \
$$<
endef
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# Instantiate template for all stages
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$(foreach host,$(CFG_HOST), \
$(eval $(call DEF_RUSTLLVM_TARGETS,$(host))))