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) = $(subst i686,i386,$(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 $(info cfg: disabling C++ optimization (CFG_DISABLE_OPTIMIZE_CXX))
40 CFG_GCCISH_CFLAGS += -O0
42 CFG_GCCISH_CFLAGS += -O2
45 # The soname thing is for supporting a statically linked jemalloc.
46 # see https://blog.mozilla.org/jseward/2012/06/05/valgrind-now-supports-jemalloc-builds-directly/
48 CFG_VALGRIND += --error-exitcode=100 \
49 --soname-synonyms=somalloc=NONE \
51 --suppressions=$(CFG_SRC_DIR)src/etc/x86.supp \
53 ifdef CFG_ENABLE_HELGRIND
54 CFG_VALGRIND += --tool=helgrind
56 CFG_VALGRIND += --tool=memcheck \
61 # If we actually want to run Valgrind on a given platform, set this variable
62 define DEF_GOOD_VALGRIND
63 ifeq ($(OSTYPE_$(1)),unknown-linux-gnu)
64 GOOD_VALGRIND_$(1) = 1
66 ifneq (,$(filter $(OSTYPE_$(1)),darwin freebsd))
67 ifeq (HOST_$(1),x86_64)
68 GOOD_VALGRIND_$(1) = 1
72 $(foreach t,$(CFG_TARGET),$(eval $(call DEF_GOOD_VALGRIND,$(t))))
73 $(foreach t,$(CFG_TARGET),$(info cfg: good valgrind for $(t) is $(GOOD_VALGRIND_$(t))))
75 ifneq ($(findstring linux,$(CFG_OSTYPE)),)
77 ifneq ($(CFG_PERF_WITH_LOGFD),)
78 CFG_PERF_TOOL := $(CFG_PERF) stat -r 3 --log-fd 2
80 CFG_PERF_TOOL := $(CFG_PERF) stat -r 3
85 $(CFG_VALGRIND) --tool=cachegrind --cache-sim=yes --branch-sim=yes
87 CFG_PERF_TOOL := /usr/bin/time --verbose
92 # These flags will cause the compiler to produce a .d file
93 # next to the .o file that lists header deps.
94 CFG_DEPEND_FLAGS = -MMD -MP -MT $(1) -MF $(1:%.o=%.d)
100 ifeq ($(origin $(1)),undefined)
101 $$(info cfg: using $(1)=$(CFG_$(1)) (CFG_$(1)))
104 ifeq ($(origin $(1)),default)
105 $$(info cfg: using $(1)=$(CFG_$(1)) (CFG_$(1)))
111 $(foreach cvar,CC CXX CPP CFLAGS CXXFLAGS CPPFLAGS, \
112 $(eval $(call SET_FROM_CFG,$(cvar))))
114 CFG_RLIB_GLOB=lib$(1)-*.rlib
116 include $(wildcard $(CFG_SRC_DIR)mk/cfg/*.mk)
118 # The -Qunused-arguments sidesteps spurious warnings from clang
120 ifeq ($$(CFG_USING_CLANG),1)
121 ifneq ($(findstring clang,$$(shell $(CC_$(1)) -v)),)
122 CFG_GCCISH_CFLAGS_$(1) += -Qunused-arguments
123 CFG_GCCISH_CXXFLAGS_$(1) += -Qunused-arguments
128 $(foreach target,$(CFG_TARGET), \
129 $(eval $(call FILTER_FLAGS,$(target))))
132 ifeq ($(CFG_CCACHE_CPP2),1)
137 ifdef CFG_CCACHE_BASEDIR
138 CCACHE_BASEDIR=$(CFG_CCACHE_BASEDIR)
139 export CCACHE_BASEDIR
142 FIND_COMPILER = $(word 1,$(1:ccache=))
144 define CFG_MAKE_TOOLCHAIN
145 # Prepend the tools with their prefix if cross compiling
146 ifneq ($(CFG_BUILD),$(1))
147 CC_$(1)=$(CROSS_PREFIX_$(1))$(CC_$(1))
148 CXX_$(1)=$(CROSS_PREFIX_$(1))$(CXX_$(1))
149 CPP_$(1)=$(CROSS_PREFIX_$(1))$(CPP_$(1))
150 AR_$(1)=$(CROSS_PREFIX_$(1))$(AR_$(1))
151 RUSTC_CROSS_FLAGS_$(1)=-C linker=$$(call FIND_COMPILER,$$(CC_$(1))) \
152 -C ar=$$(call FIND_COMPILER,$$(AR_$(1))) $(RUSTC_CROSS_FLAGS_$(1))
154 RUSTC_FLAGS_$(1)=$$(RUSTC_CROSS_FLAGS_$(1)) $(RUSTC_FLAGS_$(1))
157 CFG_COMPILE_C_$(1) = $$(CC_$(1)) \
158 $$(CFG_GCCISH_CFLAGS) \
159 $$(CFG_GCCISH_CFLAGS_$(1)) \
160 $$(CFG_DEPEND_FLAGS) \
162 CFG_LINK_C_$(1) = $$(CC_$(1)) \
163 $$(CFG_GCCISH_LINK_FLAGS) -o $$(1) \
164 $$(CFG_GCCISH_LINK_FLAGS_$(1)) \
165 $$(CFG_GCCISH_DEF_FLAG_$(1))$$(3) $$(2) \
166 $$(call CFG_INSTALL_NAME_$(1),$$(4))
167 CFG_COMPILE_CXX_$(1) = $$(CXX_$(1)) \
168 $$(CFG_GCCISH_CFLAGS) \
169 $$(CFG_GCCISH_CXXFLAGS) \
170 $$(CFG_GCCISH_CFLAGS_$(1)) \
171 $$(CFG_GCCISH_CXXFLAGS_$(1)) \
172 $$(CFG_DEPEND_FLAGS) \
174 CFG_LINK_CXX_$(1) = $$(CXX_$(1)) \
175 $$(CFG_GCCISH_LINK_FLAGS) -o $$(1) \
176 $$(CFG_GCCISH_LINK_FLAGS_$(1)) \
177 $$(CFG_GCCISH_DEF_FLAG_$(1))$$(3) $$(2) \
178 $$(call CFG_INSTALL_NAME_$(1),$$(4))
180 ifeq ($$(findstring $(HOST_$(1)),arm aarch64 mips mipsel powerpc),)
182 # We're using llvm-mc as our assembler because it supports
183 # .cfi pseudo-ops on mac
184 CFG_ASSEMBLE_$(1)=$$(CPP_$(1)) -E $$(CFG_DEPEND_FLAGS) $$(2) | \
185 $$(LLVM_MC_$$(CFG_BUILD)) \
192 # For the ARM, AARCH64, MIPS and POWER crosses, use the toolchain assembler
193 # FIXME: We should be able to use the LLVM assembler
194 CFG_ASSEMBLE_$(1)=$$(CC_$(1)) $$(CFG_GCCISH_CFLAGS_$(1)) \
195 $$(CFG_DEPEND_FLAGS) $$(2) -c -o $$(1)
201 $(foreach target,$(CFG_TARGET), \
202 $(eval $(call CFG_MAKE_TOOLCHAIN,$(target))))