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# Create variables HOST_<triple> containing the host part
# of each target triple. For example, the triple i686-darwin-macos
# would create a variable HOST_i686-darwin-macos with the value
# i386.
define DEF_HOST_VAR
HOST_$(1) = $(subst i686,i386,$(word 1,$(subst -, ,$(1))))
endef
$(foreach t,$(CFG_TARGET_TRIPLES),$(eval $(call DEF_HOST_VAR,$(t))))
$(foreach t,$(CFG_TARGET_TRIPLES),$(info cfg: host for $(t) is $(HOST_$(t))))
# FIXME: no-omit-frame-pointer is just so that task_start_wrapper
# has a frame pointer and the stack walker can understand it. Turning off
# frame pointers everywhere is overkill
CFG_GCCISH_CFLAGS += -fno-omit-frame-pointer
# On Darwin, we need to run dsymutil so the debugging information ends
# up in the right place. On other platforms, it automatically gets
# embedded into the executable, so use a no-op command.
CFG_DSYMUTIL := true
ifneq ($(findstring freebsd,$(CFG_OSTYPE)),)
CFG_LIB_NAME=lib$(1).so
CFG_LIB_GLOB=lib$(1)-*.so
CFG_GCCISH_CFLAGS += -fPIC -I/usr/local/include
CFG_GCCISH_LINK_FLAGS += -shared -fPIC -lpthread -lrt
CFG_GCCISH_DEF_FLAG := -Wl,--export-dynamic,--dynamic-list=
CFG_GCCISH_PRE_LIB_FLAGS := -Wl,-whole-archive
CFG_GCCISH_POST_LIB_FLAGS := -Wl,-no-whole-archive
CFG_GCCISH_CFLAGS_i386 += -m32
CFG_GCCISH_LINK_FLAGS_i386 += -m32
CFG_GCCISH_CFLAGS_x86_64 += -m64
CFG_GCCISH_LINK_FLAGS_x86_64 += -m64
CFG_UNIXY := 1
CFG_LDENV := LD_LIBRARY_PATH
CFG_DEF_SUFFIX := .bsd.def
CFG_INSTALL_NAME =
CFG_PERF_TOOL := /usr/bin/time
endif
ifneq ($(findstring linux,$(CFG_OSTYPE)),)
CFG_LIB_NAME=lib$(1).so
CFG_LIB_GLOB=lib$(1)-*.so
CFG_GCCISH_CFLAGS += -fPIC
CFG_GCCISH_LINK_FLAGS += -shared -fPIC -ldl -lpthread -lrt
CFG_GCCISH_DEF_FLAG := -Wl,--export-dynamic,--dynamic-list=
CFG_GCCISH_PRE_LIB_FLAGS := -Wl,-whole-archive
# -znoexecstack is here because librt is for some reason being created
# with executable stack and Fedora (or SELinux) doesn't like that (#798)
CFG_GCCISH_POST_LIB_FLAGS := -Wl,-no-whole-archive -Wl,-znoexecstack
CFG_GCCISH_CFLAGS_i386 = -m32
CFG_GCCISH_LINK_FLAGS_i386 = -m32
CFG_GCCISH_CFLAGS_x86_64 = -m64
CFG_GCCISH_LINK_FLAGS_x86_64 = -m64
CFG_UNIXY := 1
CFG_LDENV := LD_LIBRARY_PATH
CFG_DEF_SUFFIX := .linux.def
ifdef CFG_PERF
ifneq ($(CFG_PERF_WITH_LOGFD),)
CFG_PERF_TOOL := $(CFG_PERF) stat -r 3 --log-fd 2
else
CFG_PERF_TOOL := $(CFG_PERF) stat -r 3
endif
else
ifdef CFG_VALGRIND
CFG_PERF_TOOL :=\
$(CFG_VALGRIND) --tool=cachegrind --cache-sim=yes --branch-sim=yes
else
CFG_PERF_TOOL := /usr/bin/time --verbose
endif
endif
CFG_INSTALL_NAME =
# Linux requires LLVM to be built like this to get backtraces into Rust code
CFG_LLVM_BUILD_ENV="CXXFLAGS=-fno-omit-frame-pointer"
endif
ifneq ($(findstring darwin,$(CFG_OSTYPE)),)
CFG_LIB_NAME=lib$(1).dylib
# needs trailing * to pick up the .dSYM file too
CFG_LIB_GLOB=lib$(1)-*.dylib*
CFG_UNIXY := 1
CFG_LDENV := DYLD_LIBRARY_PATH
CFG_GCCISH_LINK_FLAGS += -dynamiclib -lpthread -framework CoreServices -Wl,-no_compact_unwind
CFG_GCCISH_DEF_FLAG := -Wl,-exported_symbols_list,
# Darwin has a very blurry notion of "64 bit", and claims it's running
# "on an i386" when the whole userspace is 64-bit and the compiler
# emits 64-bit binaries by default. So we just force -m32 here. Smarter
# approaches welcome!
#
# NB: Currently GCC's optimizer breaks rustrt (task-comm-1 hangs) on Darwin.
CFG_GCCISH_CFLAGS_i386 := -m32 -arch i386
CFG_GCCISH_CFLAGS_x86_64 := -m64 -arch x86_64
CFG_GCCISH_LINK_FLAGS_i386 := -m32
CFG_GCCISH_LINK_FLAGS_x86_64 := -m64
CFG_DSYMUTIL := dsymutil
CFG_DEF_SUFFIX := .darwin.def
# Mac requires this flag to make rpath work
CFG_INSTALL_NAME = -Wl,-install_name,@rpath/$(1)
endif
# Hack: not sure how to test if a file exists in make other than this
OS_SUPP = $(patsubst %,--suppressions=%,\
$(wildcard $(CFG_SRC_DIR)src/etc/$(CFG_OSTYPE).supp*))
ifneq ($(findstring mingw,$(CFG_OSTYPE)),)
CFG_WINDOWSY := 1
endif
ifdef CFG_DISABLE_OPTIMIZE_CXX
$(info cfg: disabling C++ optimization (CFG_DISABLE_OPTIMIZE_CXX))
CFG_GCCISH_CFLAGS += -O0
else
CFG_GCCISH_CFLAGS += -O2
endif
CFG_TESTLIB=$(CFG_BUILD_DIR)/$(2)/$(strip \
$(if $(findstring stage0,$(1)), \
stage0/$(CFG_LIBDIR), \
$(if $(findstring stage1,$(1)), \
stage1/$(CFG_LIBDIR), \
$(if $(findstring stage2,$(1)), \
stage2/$(CFG_LIBDIR), \
$(if $(findstring stage3,$(1)), \
stage3/$(CFG_LIBDIR), \
)))))/rustc/$(CFG_HOST_TRIPLE)/$(CFG_LIBDIR)
ifdef CFG_UNIXY
CFG_INFO := $(info cfg: unix-y environment)
CFG_PATH_MUNGE := true
CFG_EXE_SUFFIX :=
CFG_LDPATH :=
CFG_RUN=$(2)
CFG_RUN_TARG=$(call CFG_RUN,,$(2))
CFG_RUN_TEST=$(call CFG_RUN,,$(CFG_VALGRIND) $(1))
CFG_LIBUV_LINK_FLAGS=-lpthread
ifdef CFG_ENABLE_MINGW_CROSS
CFG_WINDOWSY := 1
CFG_INFO := $(info cfg: mingw-cross)
CFG_GCCISH_CROSS := i586-mingw32msvc-
ifdef CFG_VALGRIND
CFG_VALGRIND += wine
endif
CFG_GCCISH_CFLAGS := -march=i586
CFG_GCCISH_PRE_LIB_FLAGS :=
CFG_GCCISH_POST_LIB_FLAGS :=
CFG_GCCISH_DEF_FLAG :=
CFG_GCCISH_LINK_FLAGS := -shared
ifeq ($(CFG_CPUTYPE), x86_64)
CFG_GCCISH_CFLAGS += -m32
CFG_GCCISH_LINK_FLAGS += -m32
endif
endif
ifdef CFG_VALGRIND
CFG_VALGRIND += --error-exitcode=100 \
--quiet \
--suppressions=$(CFG_SRC_DIR)src/etc/x86.supp \
$(OS_SUPP)
ifdef CFG_ENABLE_HELGRIND
CFG_VALGRIND += --tool=helgrind
else
CFG_VALGRIND += --tool=memcheck \
--leak-check=full
endif
endif
endif
ifdef CFG_WINDOWSY
CFG_INFO := $(info cfg: windows-y environment)
CFG_EXE_SUFFIX := .exe
CFG_LIB_NAME=$(1).dll
CFG_LIB_GLOB=$(1)-*.dll
CFG_DEF_SUFFIX := .def
ifdef MSYSTEM
CFG_LDPATH :=$(CFG_LDPATH):$$PATH
CFG_RUN=PATH="$(CFG_LDPATH):$(1)" $(2)
else
CFG_LDPATH :=
CFG_RUN=$(2)
endif
CFG_RUN_TARG=$(call CFG_RUN,$(HLIB$(1)_H_$(CFG_HOST_TRIPLE)),$(2))
CFG_RUN_TEST=$(call CFG_RUN,$(call CFG_TESTLIB,$(1),$(3)),$(1))
CFG_LIBUV_LINK_FLAGS=-lWs2_32
ifndef CFG_ENABLE_MINGW_CROSS
CFG_PATH_MUNGE := $(strip perl -i.bak -p \
-e 's@\\(\S)@/\1@go;' \
-e 's@^/([a-zA-Z])/@\1:/@o;')
CFG_GCCISH_CFLAGS += -march=i686
CFG_GCCISH_LINK_FLAGS += -shared -fPIC
endif
CFG_INSTALL_NAME =
endif
CFG_INFO := $(info cfg: using $(CFG_C_COMPILER))
ifeq ($(CFG_C_COMPILER),clang)
ifeq ($(origin CC),default)
CC=clang
endif
ifeq ($(origin CXX),default)
CXX=clang++
endif
ifeq ($(origin CPP),default)
CPP=clang -E
endif
CFG_GCCISH_CFLAGS += -Wall -Werror -fno-rtti -g
CFG_GCCISH_LINK_FLAGS += -g
# These flags will cause the compiler to produce a .d file
# next to the .o file that lists header deps.
CFG_DEPEND_FLAGS = -MMD -MP -MT $(1) -MF $(1:%.o=%.d)
define CFG_MAKE_CC
CFG_COMPILE_C_$(1) = $$(CFG_GCCISH_CROSS)$$(CXX) \
$$(CFG_GCCISH_CFLAGS) $$(CFG_CLANG_CFLAGS) \
$$(CFG_GCCISH_CFLAGS_$$(HOST_$(1))) \
$$(CFG_CLANG_CFLAGS_$$(HOST_$(1))) \
$$(CFG_DEPEND_FLAGS) \
-c -o $$(1) $$(2)
CFG_LINK_C_$(1) = $$(CFG_GCCISH_CROSS)$$(CXX) \
$$(CFG_GCCISH_LINK_FLAGS) -o $$(1) \
$$(CFG_GCCISH_LINK_FLAGS_$$(HOST_$(1))) \
$$(CFG_GCCISH_DEF_FLAG)$$(3) $$(2) \
$$(call CFG_INSTALL_NAME,$$(4))
endef
$(foreach target,$(CFG_TARGET_TRIPLES), \
$(eval $(call CFG_MAKE_CC,$(target))))
else
ifeq ($(CFG_C_COMPILER),gcc)
ifeq ($(origin CC),default)
CC=gcc
endif
ifeq ($(origin CXX),default)
CXX=g++
endif
ifeq ($(origin CPP),default)
CPP=gcc -E
endif
CFG_GCCISH_CFLAGS += -Wall -Werror -fno-rtti -g
CFG_GCCISH_LINK_FLAGS += -g
# These flags will cause the compiler to produce a .d file
# next to the .o file that lists header deps.
CFG_DEPEND_FLAGS = -MMD -MP -MT $(1) -MF $(1:%.o=%.d)
define CFG_MAKE_CC
CFG_COMPILE_C_$(1) = $$(CFG_GCCISH_CROSS)$$(CXX) \
$$(CFG_GCCISH_CFLAGS) \
$$(CFG_GCCISH_CFLAGS_$$(HOST_$(1))) \
$$(CFG_GCC_CFLAGS) \
$$(CFG_GCC_CFLAGS_$$(HOST_$(1))) \
$$(CFG_DEPEND_FLAGS) \
-c -o $$(1) $$(2)
CFG_LINK_C_$(1) = $$(CFG_GCCISH_CROSS)$$(CXX) \
$$(CFG_GCCISH_LINK_FLAGS) -o $$(1) \
$$(CFG_GCCISH_LINK_FLAGS_$$(HOST_$(1))) \
$$(CFG_GCCISH_DEF_FLAG)$$(3) $$(2) \
$$(call CFG_INSTALL_NAME,$$(4))
endef
$(foreach target,$(CFG_TARGET_TRIPLES), \
$(eval $(call CFG_MAKE_CC,$(target))))
else
CFG_ERR := $(error please try on a system with gcc or clang)
endif
endif
# We're using llvm-mc as our assembler because it supports
# .cfi pseudo-ops on mac
define CFG_MAKE_ASSEMBLER
CFG_ASSEMBLE_$(1)=$$(CPP) $$(CFG_DEPEND_FLAGS) $$(2) | \
$$(LLVM_MC_$$(CFG_HOST_TRIPLE)) \
-assemble \
-filetype=obj \
-triple=$(1) \
-o=$$(1)
endef
$(foreach target,$(CFG_TARGET_TRIPLES),\
$(eval $(call CFG_MAKE_ASSEMBLER,$(target))))
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