e6418964b9
it isn't the good way to process, as it makes conflicts when building rustc while another version of rustc in installed system-wide.
247 lines
7.6 KiB
Makefile
247 lines
7.6 KiB
Makefile
# Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
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# file at the top-level directory of this distribution and at
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# http://rust-lang.org/COPYRIGHT.
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#
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# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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# option. This file may not be copied, modified, or distributed
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# except according to those terms.
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# Create variables HOST_<triple> containing the host part
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# of each target triple. For example, the triple i686-darwin-macos
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# would create a variable HOST_i686-darwin-macos with the value
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# i386.
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define DEF_HOST_VAR
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HOST_$(1) = $(patsubst i%86,i386,$(word 1,$(subst -, ,$(1))))
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endef
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$(foreach t,$(CFG_TARGET),$(eval $(call DEF_HOST_VAR,$(t))))
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$(foreach t,$(CFG_TARGET),$(info cfg: host for $(t) is $(HOST_$(t))))
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# Ditto for OSTYPE
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define DEF_OSTYPE_VAR
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OSTYPE_$(1) = $(subst $(firstword $(subst -, ,$(1)))-,,$(1))
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endef
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$(foreach t,$(CFG_TARGET),$(eval $(call DEF_OSTYPE_VAR,$(t))))
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$(foreach t,$(CFG_TARGET),$(info cfg: os for $(t) is $(OSTYPE_$(t))))
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# On Darwin, we need to run dsymutil so the debugging information ends
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# up in the right place. On other platforms, it automatically gets
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# embedded into the executable, so use a no-op command.
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CFG_DSYMUTIL := true
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# Hack: not sure how to test if a file exists in make other than this
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OS_SUPP = $(patsubst %,--suppressions=%, \
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$(wildcard $(CFG_SRC_DIR)src/etc/$(CFG_OSTYPE).supp*))
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ifdef CFG_DISABLE_OPTIMIZE_CXX
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$(info cfg: disabling C++ optimization (CFG_DISABLE_OPTIMIZE_CXX))
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CFG_GCCISH_CFLAGS += -O0
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else
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CFG_GCCISH_CFLAGS += -O2
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endif
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# The soname thing is for supporting a statically linked jemalloc.
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# see https://blog.mozilla.org/jseward/2012/06/05/valgrind-now-supports-jemalloc-builds-directly/
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ifdef CFG_VALGRIND
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CFG_VALGRIND += --error-exitcode=100 \
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--fair-sched=try \
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--quiet \
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--soname-synonyms=somalloc=NONE \
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--suppressions=$(CFG_SRC_DIR)src/etc/x86.supp \
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$(OS_SUPP)
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ifdef CFG_ENABLE_HELGRIND
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CFG_VALGRIND += --tool=helgrind
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else
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CFG_VALGRIND += --tool=memcheck \
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--leak-check=full
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endif
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endif
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# If we actually want to run Valgrind on a given platform, set this variable
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define DEF_GOOD_VALGRIND
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ifeq ($(OSTYPE_$(1)),unknown-linux-gnu)
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GOOD_VALGRIND_$(1) = 1
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endif
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ifneq (,$(filter $(OSTYPE_$(1)),darwin freebsd))
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ifeq (HOST_$(1),x86_64)
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GOOD_VALGRIND_$(1) = 1
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endif
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endif
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endef
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$(foreach t,$(CFG_TARGET),$(eval $(call DEF_GOOD_VALGRIND,$(t))))
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$(foreach t,$(CFG_TARGET),$(info cfg: good valgrind for $(t) is $(GOOD_VALGRIND_$(t))))
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ifneq ($(findstring linux,$(CFG_OSTYPE)),)
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ifdef CFG_PERF
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ifneq ($(CFG_PERF_WITH_LOGFD),)
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CFG_PERF_TOOL := $(CFG_PERF) stat -r 3 --log-fd 2
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else
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CFG_PERF_TOOL := $(CFG_PERF) stat -r 3
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endif
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else
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ifdef CFG_VALGRIND
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CFG_PERF_TOOL := \
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$(CFG_VALGRIND) --tool=cachegrind --cache-sim=yes --branch-sim=yes
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else
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CFG_PERF_TOOL := /usr/bin/time --verbose
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endif
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endif
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endif
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AR := ar
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define SET_FROM_CFG
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ifdef CFG_$(1)
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ifeq ($(origin $(1)),undefined)
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$$(info cfg: using $(1)=$(CFG_$(1)) (CFG_$(1)))
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$(1)=$(CFG_$(1))
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endif
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ifeq ($(origin $(1)),default)
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$$(info cfg: using $(1)=$(CFG_$(1)) (CFG_$(1)))
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$(1)=$(CFG_$(1))
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endif
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endif
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endef
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$(foreach cvar,CC CXX CPP CFLAGS CXXFLAGS CPPFLAGS, \
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$(eval $(call SET_FROM_CFG,$(cvar))))
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CFG_RLIB_GLOB=lib$(1)-*.rlib
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include $(wildcard $(CFG_SRC_DIR)mk/cfg/*.mk)
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define ADD_INSTALLED_OBJECTS
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INSTALLED_OBJECTS_$(1) += $$(CFG_INSTALLED_OBJECTS_$(1))
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REQUIRED_OBJECTS_$(1) += $$(CFG_THIRD_PARTY_OBJECTS_$(1))
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INSTALLED_OBJECTS_$(1) += $$(call CFG_STATIC_LIB_NAME_$(1),compiler-rt)
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REQUIRED_OBJECTS_$(1) += $$(call CFG_STATIC_LIB_NAME_$(1),compiler-rt)
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endef
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$(foreach target,$(CFG_TARGET), \
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$(eval $(call ADD_INSTALLED_OBJECTS,$(target))))
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define DEFINE_LINKER
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ifndef LINK_$(1)
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LINK_$(1) := $$(CC_$(1))
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endif
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endef
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$(foreach target,$(CFG_TARGET), \
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$(eval $(call DEFINE_LINKER,$(target))))
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# The -Qunused-arguments sidesteps spurious warnings from clang
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define FILTER_FLAGS
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ifeq ($$(CFG_USING_CLANG),1)
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ifneq ($(findstring clang,$$(shell $(CC_$(1)) -v)),)
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CFG_GCCISH_CFLAGS_$(1) += -Qunused-arguments
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CFG_GCCISH_CXXFLAGS_$(1) += -Qunused-arguments
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endif
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endif
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endef
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$(foreach target,$(CFG_TARGET), \
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$(eval $(call FILTER_FLAGS,$(target))))
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# Configure various macros to pass gcc or cl.exe style arguments
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define CC_MACROS
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CFG_CC_INCLUDE_$(1)=-I $$(1)
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ifeq ($$(findstring msvc,$(1)),msvc)
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CFG_CC_OUTPUT_$(1)=-Fo:$$(1)
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CFG_CREATE_ARCHIVE_$(1)=$$(AR_$(1)) -OUT:$$(1)
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else
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CFG_CC_OUTPUT_$(1)=-o $$(1)
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CFG_CREATE_ARCHIVE_$(1)=$$(AR_$(1)) crus $$(1)
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endif
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endef
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$(foreach target,$(CFG_TARGET), \
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$(eval $(call CC_MACROS,$(target))))
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ifeq ($(CFG_CCACHE_CPP2),1)
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CCACHE_CPP2=1
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export CCACHE_CPP
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endif
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ifdef CFG_CCACHE_BASEDIR
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CCACHE_BASEDIR=$(CFG_CCACHE_BASEDIR)
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export CCACHE_BASEDIR
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endif
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FIND_COMPILER = $(word 1,$(1:ccache=))
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define CFG_MAKE_TOOLCHAIN
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# Prepend the tools with their prefix if cross compiling
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ifneq ($(CFG_BUILD),$(1))
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ifneq ($$(findstring msvc,$(1)),msvc)
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CC_$(1)=$(CROSS_PREFIX_$(1))$(CC_$(1))
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CXX_$(1)=$(CROSS_PREFIX_$(1))$(CXX_$(1))
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CPP_$(1)=$(CROSS_PREFIX_$(1))$(CPP_$(1))
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AR_$(1)=$(CROSS_PREFIX_$(1))$(AR_$(1))
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LINK_$(1)=$(CROSS_PREFIX_$(1))$(LINK_$(1))
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RUSTC_CROSS_FLAGS_$(1)=-C linker=$$(call FIND_COMPILER,$$(LINK_$(1))) \
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-C ar=$$(call FIND_COMPILER,$$(AR_$(1))) $(RUSTC_CROSS_FLAGS_$(1))
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RUSTC_FLAGS_$(1)=$$(RUSTC_CROSS_FLAGS_$(1)) $(RUSTC_FLAGS_$(1))
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endif
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endif
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CFG_COMPILE_C_$(1) = $$(CC_$(1)) \
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$$(CFLAGS) \
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$$(CFG_GCCISH_CFLAGS) \
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$$(CFG_GCCISH_CFLAGS_$(1)) \
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-c $$(call CFG_CC_OUTPUT_$(1),$$(1)) $$(2)
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CFG_LINK_C_$(1) = $$(CC_$(1)) \
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$$(LDFLAGS) \
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$$(CFG_GCCISH_LINK_FLAGS) -o $$(1) \
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$$(CFG_GCCISH_LINK_FLAGS_$(1)) \
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$$(CFG_GCCISH_DEF_FLAG_$(1))$$(3) $$(2) \
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$$(call CFG_INSTALL_NAME_$(1),$$(4))
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CFG_COMPILE_CXX_$(1) = $$(CXX_$(1)) \
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$$(CXXFLAGS) \
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$$(CFG_GCCISH_CFLAGS) \
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$$(CFG_GCCISH_CXXFLAGS) \
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$$(CFG_GCCISH_CFLAGS_$(1)) \
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$$(CFG_GCCISH_CXXFLAGS_$(1)) \
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-c $$(call CFG_CC_OUTPUT_$(1),$$(1)) $$(2)
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CFG_LINK_CXX_$(1) = $$(CXX_$(1)) \
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$$(LDFLAGS) \
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$$(CFG_GCCISH_LINK_FLAGS) -o $$(1) \
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$$(CFG_GCCISH_LINK_FLAGS_$(1)) \
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$$(CFG_GCCISH_DEF_FLAG_$(1))$$(3) $$(2) \
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$$(call CFG_INSTALL_NAME_$(1),$$(4))
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ifeq ($$(findstring $(HOST_$(1)),arm aarch64 mips mipsel powerpc),)
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# On Bitrig, we need the relocation model to be PIC for everything
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ifeq (,$(filter $(OSTYPE_$(1)),bitrig))
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LLVM_MC_RELOCATION_MODEL="pic"
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else
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LLVM_MC_RELOCATION_MODEL="default"
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endif
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# We're using llvm-mc as our assembler because it supports
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# .cfi pseudo-ops on mac
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CFG_ASSEMBLE_$(1)=$$(CPP_$(1)) -E $$(2) | \
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$$(LLVM_MC_$$(CFG_BUILD)) \
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-assemble \
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-relocation-model=$$(LLVM_MC_RELOCATION_MODEL) \
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-filetype=obj \
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-triple=$(1) \
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-o=$$(1)
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else
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# For the ARM, AARCH64, MIPS and POWER crosses, use the toolchain assembler
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# FIXME: We should be able to use the LLVM assembler
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CFG_ASSEMBLE_$(1)=$$(CC_$(1)) $$(CFG_GCCISH_CFLAGS_$(1)) \
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$$(2) -c -o $$(1)
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endif
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endef
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$(foreach target,$(CFG_TARGET), \
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$(eval $(call CFG_MAKE_TOOLCHAIN,$(target))))
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