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))))
84 ifeq ($(origin $(1)),undefined)
85 $$(info cfg: using $(1)=$(CFG_$(1)) (CFG_$(1)))
88 ifeq ($(origin $(1)),default)
89 $$(info cfg: using $(1)=$(CFG_$(1)) (CFG_$(1)))
95 $(foreach cvar,CC CXX CPP CFLAGS CXXFLAGS CPPFLAGS, \
96 $(eval $(call SET_FROM_CFG,$(cvar))))
98 CFG_RLIB_GLOB=lib$(1)-*.rlib
100 include $(wildcard $(CFG_SRC_DIR)mk/cfg/*.mk)
102 define ADD_INSTALLED_OBJECTS
103 INSTALLED_OBJECTS_$(1) += $$(CFG_INSTALLED_OBJECTS_$(1))
104 REQUIRED_OBJECTS_$(1) += $$(CFG_THIRD_PARTY_OBJECTS_$(1))
105 INSTALLED_OBJECTS_$(1) += $$(call CFG_STATIC_LIB_NAME_$(1),compiler-rt)
106 REQUIRED_OBJECTS_$(1) += $$(call CFG_STATIC_LIB_NAME_$(1),compiler-rt)
109 $(foreach target,$(CFG_TARGET), \
110 $(eval $(call ADD_INSTALLED_OBJECTS,$(target))))
114 LINK_$(1) := $$(CC_$(1))
118 $(foreach target,$(CFG_TARGET), \
119 $(eval $(call DEFINE_LINKER,$(target))))
121 define ADD_JEMALLOC_DEP
122 ifndef CFG_DISABLE_JEMALLOC_$(1)
123 ifndef CFG_DISABLE_JEMALLOC
124 RUST_DEPS_std_T_$(1) += alloc_jemalloc
125 TARGET_CRATES_$(1) += alloc_jemalloc
130 $(foreach target,$(CFG_TARGET), \
131 $(eval $(call ADD_JEMALLOC_DEP,$(target))))
133 # The -Qunused-arguments sidesteps spurious warnings from clang
135 ifeq ($$(CFG_USING_CLANG),1)
136 ifneq ($(findstring clang,$$(shell $(CC_$(1)) -v)),)
137 CFG_GCCISH_CFLAGS_$(1) += -Qunused-arguments
138 CFG_GCCISH_CXXFLAGS_$(1) += -Qunused-arguments
143 $(foreach target,$(CFG_TARGET), \
144 $(eval $(call FILTER_FLAGS,$(target))))
146 # Configure various macros to pass gcc or cl.exe style arguments
148 CFG_CC_INCLUDE_$(1)=-I $$(1)
149 ifeq ($$(findstring msvc,$(1)),msvc)
150 CFG_CC_OUTPUT_$(1)=-Fo:$$(1)
151 CFG_CREATE_ARCHIVE_$(1)='$$(AR_$(1))' -OUT:$$(1)
153 CFG_CC_OUTPUT_$(1)=-o $$(1)
154 CFG_CREATE_ARCHIVE_$(1)=$$(AR_$(1)) crus $$(1)
158 $(foreach target,$(CFG_TARGET), \
159 $(eval $(call CC_MACROS,$(target))))
162 ifeq ($(CFG_CCACHE_CPP2),1)
167 ifdef CFG_CCACHE_BASEDIR
168 CCACHE_BASEDIR=$(CFG_CCACHE_BASEDIR)
169 export CCACHE_BASEDIR
172 FIND_COMPILER = $(strip $(1:ccache=))
174 define CFG_MAKE_TOOLCHAIN
175 # Prepend the tools with their prefix if cross compiling
176 ifneq ($(CFG_BUILD),$(1))
177 ifneq ($$(findstring msvc,$(1)),msvc)
178 CC_$(1)=$(CROSS_PREFIX_$(1))$(CC_$(1))
179 CXX_$(1)=$(CROSS_PREFIX_$(1))$(CXX_$(1))
180 CPP_$(1)=$(CROSS_PREFIX_$(1))$(CPP_$(1))
181 AR_$(1)=$(CROSS_PREFIX_$(1))$(AR_$(1))
182 LINK_$(1)=$(CROSS_PREFIX_$(1))$(LINK_$(1))
183 RUSTC_CROSS_FLAGS_$(1)=-C linker=$$(call FIND_COMPILER,$$(LINK_$(1))) \
184 -C ar=$$(call FIND_COMPILER,$$(AR_$(1))) $(RUSTC_CROSS_FLAGS_$(1))
186 RUSTC_FLAGS_$(1)=$$(RUSTC_CROSS_FLAGS_$(1)) $(RUSTC_FLAGS_$(1))
190 CFG_COMPILE_C_$(1) = '$$(call FIND_COMPILER,$$(CC_$(1)))' \
192 $$(CFG_GCCISH_CFLAGS) \
193 $$(CFG_GCCISH_CFLAGS_$(1)) \
194 -c $$(call CFG_CC_OUTPUT_$(1),$$(1)) $$(2)
195 CFG_LINK_C_$(1) = $$(CC_$(1)) \
197 $$(CFG_GCCISH_LINK_FLAGS) -o $$(1) \
198 $$(CFG_GCCISH_LINK_FLAGS_$(1)) \
199 $$(CFG_GCCISH_DEF_FLAG_$(1))$$(3) $$(2) \
200 $$(call CFG_INSTALL_NAME_$(1),$$(4))
201 CFG_COMPILE_CXX_$(1) = '$$(call FIND_COMPILER,$$(CXX_$(1)))' \
203 $$(CFG_GCCISH_CFLAGS) \
204 $$(CFG_GCCISH_CXXFLAGS) \
205 $$(CFG_GCCISH_CFLAGS_$(1)) \
206 $$(CFG_GCCISH_CXXFLAGS_$(1)) \
207 -c $$(call CFG_CC_OUTPUT_$(1),$$(1)) $$(2)
208 CFG_LINK_CXX_$(1) = $$(CXX_$(1)) \
210 $$(CFG_GCCISH_LINK_FLAGS) -o $$(1) \
211 $$(CFG_GCCISH_LINK_FLAGS_$(1)) \
212 $$(CFG_GCCISH_DEF_FLAG_$(1))$$(3) $$(2) \
213 $$(call CFG_INSTALL_NAME_$(1),$$(4))
215 ifeq ($$(findstring $(HOST_$(1)),arm aarch64 mips mipsel powerpc),)
217 # On Bitrig, we need the relocation model to be PIC for everything
218 ifeq (,$(filter $(OSTYPE_$(1)),bitrig))
219 LLVM_MC_RELOCATION_MODEL="pic"
221 LLVM_MC_RELOCATION_MODEL="default"
224 # We're using llvm-mc as our assembler because it supports
225 # .cfi pseudo-ops on mac
226 CFG_ASSEMBLE_$(1)=$$(CPP_$(1)) -E $$(2) | \
227 $$(LLVM_MC_$$(CFG_BUILD)) \
229 -relocation-model=$$(LLVM_MC_RELOCATION_MODEL) \
235 # For the ARM, AARCH64, MIPS and POWER crosses, use the toolchain assembler
236 # FIXME: We should be able to use the LLVM assembler
237 CFG_ASSEMBLE_$(1)=$$(CC_$(1)) $$(CFG_GCCISH_CFLAGS_$(1)) \
244 $(foreach target,$(CFG_TARGET), \
245 $(eval $(call CFG_MAKE_TOOLCHAIN,$(target))))