1 # Copyright 2012-2015 The Rust Project Developers. See the COPYRIGHT
2 # file at the top-level directory of this distribution and at
3 # http://rust-lang.org/COPYRIGHT.
5 # Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 # http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 # <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 # option. This file may not be copied, modified, or distributed
9 # except according to those terms.
12 # Create variables HOST_<triple> containing the host part
13 # of each target triple. For example, the triple i686-darwin-macos
14 # would create a variable HOST_i686-darwin-macos with the value
17 HOST_$(1) = $(patsubst i%86,i386,$(word 1,$(subst -, ,$(1))))
19 $(foreach t,$(CFG_TARGET),$(eval $(call DEF_HOST_VAR,$(t))))
20 $(foreach t,$(CFG_TARGET),$(info cfg: host for $(t) is $(HOST_$(t))))
24 OSTYPE_$(1) = $(subst $(firstword $(subst -, ,$(1)))-,,$(1))
26 $(foreach t,$(CFG_TARGET),$(eval $(call DEF_OSTYPE_VAR,$(t))))
27 $(foreach t,$(CFG_TARGET),$(info cfg: os for $(t) is $(OSTYPE_$(t))))
29 # On Darwin, we need to run dsymutil so the debugging information ends
30 # up in the right place. On other platforms, it automatically gets
31 # embedded into the executable, so use a no-op command.
34 # Hack: not sure how to test if a file exists in make other than this
35 OS_SUPP = $(patsubst %,--suppressions=%, \
36 $(wildcard $(CFG_SRC_DIR)src/etc/$(CFG_OSTYPE).supp*))
38 ifdef CFG_DISABLE_OPTIMIZE_CXX
39 $(info cfg: disabling C++ optimization (CFG_DISABLE_OPTIMIZE_CXX))
40 CFG_GCCISH_CFLAGS += -O0
42 CFG_GCCISH_CFLAGS += -O2
45 # The soname thing is for supporting a statically linked jemalloc.
46 # see https://blog.mozilla.org/jseward/2012/06/05/valgrind-now-supports-jemalloc-builds-directly/
48 CFG_VALGRIND += --error-exitcode=100 \
51 --soname-synonyms=somalloc=NONE \
52 --suppressions=$(CFG_SRC_DIR)src/etc/x86.supp \
54 ifdef CFG_ENABLE_HELGRIND
55 CFG_VALGRIND += --tool=helgrind
57 CFG_VALGRIND += --tool=memcheck \
62 # If we actually want to run Valgrind on a given platform, set this variable
63 define DEF_GOOD_VALGRIND
64 ifeq ($(OSTYPE_$(1)),unknown-linux-gnu)
65 GOOD_VALGRIND_$(1) = 1
67 ifneq (,$(filter $(OSTYPE_$(1)),apple-darwin freebsd))
68 ifeq ($(HOST_$(1)),x86_64)
69 GOOD_VALGRIND_$(1) = 1
72 ifdef GOOD_VALGRIND_$(t)
73 $$(info cfg: have good valgrind for $(t))
75 $$(info cfg: no good valgrind for $(t))
78 $(foreach t,$(CFG_TARGET),$(eval $(call DEF_GOOD_VALGRIND,$(t))))
80 ifneq ($(findstring linux,$(CFG_OSTYPE)),)
82 ifneq ($(CFG_PERF_WITH_LOGFD),)
83 CFG_PERF_TOOL := $(CFG_PERF) stat -r 3 --log-fd 2
85 CFG_PERF_TOOL := $(CFG_PERF) stat -r 3
90 $(CFG_VALGRIND) --tool=cachegrind --cache-sim=yes --branch-sim=yes
92 CFG_PERF_TOOL := /usr/bin/time --verbose
101 ifeq ($(origin $(1)),undefined)
102 $$(info cfg: using $(1)=$(CFG_$(1)) (CFG_$(1)))
105 ifeq ($(origin $(1)),default)
106 $$(info cfg: using $(1)=$(CFG_$(1)) (CFG_$(1)))
112 $(foreach cvar,CC CXX CPP CFLAGS CXXFLAGS CPPFLAGS, \
113 $(eval $(call SET_FROM_CFG,$(cvar))))
115 CFG_RLIB_GLOB=lib$(1)-*.rlib
117 include $(wildcard $(CFG_SRC_DIR)mk/cfg/*.mk)
119 define ADD_INSTALLED_OBJECTS
120 INSTALLED_OBJECTS_$(1) += $$(CFG_INSTALLED_OBJECTS_$(1))
121 REQUIRED_OBJECTS_$(1) += $$(CFG_THIRD_PARTY_OBJECTS_$(1))
122 INSTALLED_OBJECTS_$(1) += $$(call CFG_STATIC_LIB_NAME_$(1),compiler-rt)
123 REQUIRED_OBJECTS_$(1) += $$(call CFG_STATIC_LIB_NAME_$(1),compiler-rt)
126 $(foreach target,$(CFG_TARGET), \
127 $(eval $(call ADD_INSTALLED_OBJECTS,$(target))))
131 LINK_$(1) := $$(CC_$(1))
135 $(foreach target,$(CFG_TARGET), \
136 $(eval $(call DEFINE_LINKER,$(target))))
138 # The -Qunused-arguments sidesteps spurious warnings from clang
140 ifeq ($$(CFG_USING_CLANG),1)
141 ifneq ($(findstring clang,$$(shell $(CC_$(1)) -v)),)
142 CFG_GCCISH_CFLAGS_$(1) += -Qunused-arguments
143 CFG_GCCISH_CXXFLAGS_$(1) += -Qunused-arguments
148 $(foreach target,$(CFG_TARGET), \
149 $(eval $(call FILTER_FLAGS,$(target))))
151 # Configure various macros to pass gcc or cl.exe style arguments
153 CFG_CC_INCLUDE_$(1)=-I $$(1)
154 ifeq ($$(findstring msvc,$(1)),msvc)
155 CFG_CC_OUTPUT_$(1)=-Fo:$$(1)
156 CFG_CREATE_ARCHIVE_$(1)=$$(AR_$(1)) -OUT:$$(1)
158 CFG_CC_OUTPUT_$(1)=-o $$(1)
159 CFG_CREATE_ARCHIVE_$(1)=$$(AR_$(1)) crus $$(1)
163 $(foreach target,$(CFG_TARGET), \
164 $(eval $(call CC_MACROS,$(target))))
167 ifeq ($(CFG_CCACHE_CPP2),1)
172 ifdef CFG_CCACHE_BASEDIR
173 CCACHE_BASEDIR=$(CFG_CCACHE_BASEDIR)
174 export CCACHE_BASEDIR
177 FIND_COMPILER = $(word 1,$(1:ccache=))
179 define CFG_MAKE_TOOLCHAIN
180 # Prepend the tools with their prefix if cross compiling
181 ifneq ($(CFG_BUILD),$(1))
182 ifneq ($$(findstring msvc,$(1)),msvc)
183 CC_$(1)=$(CROSS_PREFIX_$(1))$(CC_$(1))
184 CXX_$(1)=$(CROSS_PREFIX_$(1))$(CXX_$(1))
185 CPP_$(1)=$(CROSS_PREFIX_$(1))$(CPP_$(1))
186 AR_$(1)=$(CROSS_PREFIX_$(1))$(AR_$(1))
187 LINK_$(1)=$(CROSS_PREFIX_$(1))$(LINK_$(1))
188 RUSTC_CROSS_FLAGS_$(1)=-C linker=$$(call FIND_COMPILER,$$(LINK_$(1))) \
189 -C ar=$$(call FIND_COMPILER,$$(AR_$(1))) $(RUSTC_CROSS_FLAGS_$(1))
191 RUSTC_FLAGS_$(1)=$$(RUSTC_CROSS_FLAGS_$(1)) $(RUSTC_FLAGS_$(1))
195 CFG_COMPILE_C_$(1) = $$(CC_$(1)) \
197 $$(CFG_GCCISH_CFLAGS) \
198 $$(CFG_GCCISH_CFLAGS_$(1)) \
199 -c $$(call CFG_CC_OUTPUT_$(1),$$(1)) $$(2)
200 CFG_LINK_C_$(1) = $$(CC_$(1)) \
202 $$(CFG_GCCISH_LINK_FLAGS) -o $$(1) \
203 $$(CFG_GCCISH_LINK_FLAGS_$(1)) \
204 $$(CFG_GCCISH_DEF_FLAG_$(1))$$(3) $$(2) \
205 $$(call CFG_INSTALL_NAME_$(1),$$(4))
206 CFG_COMPILE_CXX_$(1) = $$(CXX_$(1)) \
208 $$(CFG_GCCISH_CFLAGS) \
209 $$(CFG_GCCISH_CXXFLAGS) \
210 $$(CFG_GCCISH_CFLAGS_$(1)) \
211 $$(CFG_GCCISH_CXXFLAGS_$(1)) \
212 -c $$(call CFG_CC_OUTPUT_$(1),$$(1)) $$(2)
213 CFG_LINK_CXX_$(1) = $$(CXX_$(1)) \
215 $$(CFG_GCCISH_LINK_FLAGS) -o $$(1) \
216 $$(CFG_GCCISH_LINK_FLAGS_$(1)) \
217 $$(CFG_GCCISH_DEF_FLAG_$(1))$$(3) $$(2) \
218 $$(call CFG_INSTALL_NAME_$(1),$$(4))
220 ifeq ($$(findstring $(HOST_$(1)),arm aarch64 mips mipsel powerpc),)
222 # On Bitrig, we need the relocation model to be PIC for everything
223 ifeq (,$(filter $(OSTYPE_$(1)),bitrig))
224 LLVM_MC_RELOCATION_MODEL="pic"
226 LLVM_MC_RELOCATION_MODEL="default"
229 # We're using llvm-mc as our assembler because it supports
230 # .cfi pseudo-ops on mac
231 CFG_ASSEMBLE_$(1)=$$(CPP_$(1)) -E $$(2) | \
232 $$(LLVM_MC_$$(CFG_BUILD)) \
234 -relocation-model=$$(LLVM_MC_RELOCATION_MODEL) \
240 # For the ARM, AARCH64, MIPS and POWER crosses, use the toolchain assembler
241 # FIXME: We should be able to use the LLVM assembler
242 CFG_ASSEMBLE_$(1)=$$(CC_$(1)) $$(CFG_GCCISH_CFLAGS_$(1)) \
249 $(foreach target,$(CFG_TARGET), \
250 $(eval $(call CFG_MAKE_TOOLCHAIN,$(target))))