rust/mk/platform.mk

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CFG_GCCISH_CFLAGS := -fno-strict-aliasing
CFG_GCCISH_LINK_FLAGS :=
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# 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
ifeq ($(CFG_OSTYPE), FreeBSD)
CFG_LIB_NAME=lib$(1).so
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CFG_GCCISH_CFLAGS += -fPIC -march=i686 -I/usr/local/include
CFG_GCCISH_LINK_FLAGS += -shared -fPIC -lpthread -lrt
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ifeq ($(CFG_CPUTYPE), x86_64)
CFG_GCCISH_CFLAGS += -m32
CFG_GCCISH_LINK_FLAGS += -m32
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endif
CFG_UNIXY := 1
CFG_LDENV := LD_LIBRARY_PATH
CFG_DEF_SUFFIX := .bsd.def
endif
ifeq ($(CFG_OSTYPE), Linux)
CFG_LIB_NAME=lib$(1).so
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CFG_GCCISH_CFLAGS += -fPIC -march=i686
CFG_GCCISH_LINK_FLAGS += -shared -fPIC -ldl -lpthread -lrt
CFG_GCCISH_DEF_FLAG := -Wl,--export-dynamic,--dynamic-list=
CFG_GCCISH_PRE_LIB_FLAGS := -Wl,-whole-archive
CFG_GCCISH_POST_LIB_FLAGS := -Wl,-no-whole-archive
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ifeq ($(CFG_CPUTYPE), x86_64)
CFG_GCCISH_CFLAGS += -m32
CFG_GCCISH_LINK_FLAGS += -m32
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endif
CFG_UNIXY := 1
CFG_LDENV := LD_LIBRARY_PATH
CFG_DEF_SUFFIX := .linux.def
endif
ifeq ($(CFG_OSTYPE), Darwin)
CFG_LIB_NAME=lib$(1).dylib
CFG_UNIXY := 1
CFG_LDENV := DYLD_LIBRARY_PATH
CFG_GCCISH_LINK_FLAGS += -dynamiclib -lpthread
CFG_GCCISH_DEF_FLAG := -Wl,-exported_symbols_list,
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# 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.
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CFG_GCC_CFLAGS += -m32
CFG_CLANG_CFLAGS += -m32
ifeq ($(CFG_CPUTYPE), x86_64)
CFG_GCCISH_CFLAGS += -arch i386
CFG_GCCISH_LINK_FLAGS += -arch i386
endif
CFG_GCCISH_LINK_FLAGS += -m32
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CFG_DSYMUTIL := dsymutil
CFG_DEF_SUFFIX := .darwin.def
endif
ifneq ($(findstring MINGW,$(CFG_OSTYPE)),)
CFG_WINDOWSY := 1
endif
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ifdef CFG_DISABLE_OPTIMIZE_CXX
$(info cfg: disabling C++ optimization (CFG_DISABLE_OPTIMIZE_CXX))
CFG_GCCISH_CFLAGS += -O0
else
CFG_GCCISH_CFLAGS += -O2
endif
The Big Test Suite Overhaul This replaces the make-based test runner with a set of Rust-based test runners. I believe that all existing functionality has been preserved. The primary objective is to dogfood the Rust test framework. A few main things happen here: 1) The run-pass/lib-* tests are all moved into src/test/stdtest. This is a standalone test crate intended for all standard library tests. It compiles to build/test/stdtest.stageN. 2) rustc now compiles into yet another build artifact, this one a test runner that runs any tests contained directly in the rustc crate. This allows much more fine-grained unit testing of the compiler. It compiles to build/test/rustctest.stageN. 3) There is a new custom test runner crate at src/test/compiletest that reproduces all the functionality for running the compile-fail, run-fail, run-pass and bench tests while integrating with Rust's test framework. It compiles to build/test/compiletest.stageN. 4) The build rules have been completely changed to use the new test runners, while also being less redundant, following the example of the recent stageN.mk rewrite. It adds two new features to the cfail/rfail/rpass/bench tests: 1) Tests can specify multiple 'error-pattern' directives which must be satisfied in order. 2) Tests can specify a 'compile-flags' directive which will make the test runner provide additional command line arguments to rustc. There are some downsides, the primary being that Rust has to be functioning pretty well just to run _any_ tests, which I imagine will be the source of some frustration when the entire test suite breaks. Will also cause some headaches during porting. Not having individual make rules, each rpass, etc test no longer remembers between runs whether it completed successfully. As a result, it's not possible to incrementally fix multiple tests by just running 'make check', fixing a test, and repeating without re-running all the tests contained in the test runner. Instead you can filter just the tests you want to run by using the TESTNAME environment variable. This also dispenses with the ability to run stage0 tests, but they tended to be broken more often than not anyway.
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CFG_TESTLIB=$(CFG_BUILD_DIR)/$(strip \
$(if $(findstring stage0,$(1)), \
stage0/lib, \
$(if $(findstring stage1,$(1)), \
stage1/lib, \
$(if $(findstring stage2,$(1)), \
stage2/lib, \
$(if $(findstring stage3,$(1)), \
stage3/lib, \
)))))
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ifdef CFG_UNIXY
CFG_INFO := $(info cfg: unix-y environment)
CFG_PATH_MUNGE := true
CFG_EXE_SUFFIX :=
The Big Test Suite Overhaul This replaces the make-based test runner with a set of Rust-based test runners. I believe that all existing functionality has been preserved. The primary objective is to dogfood the Rust test framework. A few main things happen here: 1) The run-pass/lib-* tests are all moved into src/test/stdtest. This is a standalone test crate intended for all standard library tests. It compiles to build/test/stdtest.stageN. 2) rustc now compiles into yet another build artifact, this one a test runner that runs any tests contained directly in the rustc crate. This allows much more fine-grained unit testing of the compiler. It compiles to build/test/rustctest.stageN. 3) There is a new custom test runner crate at src/test/compiletest that reproduces all the functionality for running the compile-fail, run-fail, run-pass and bench tests while integrating with Rust's test framework. It compiles to build/test/compiletest.stageN. 4) The build rules have been completely changed to use the new test runners, while also being less redundant, following the example of the recent stageN.mk rewrite. It adds two new features to the cfail/rfail/rpass/bench tests: 1) Tests can specify multiple 'error-pattern' directives which must be satisfied in order. 2) Tests can specify a 'compile-flags' directive which will make the test runner provide additional command line arguments to rustc. There are some downsides, the primary being that Rust has to be functioning pretty well just to run _any_ tests, which I imagine will be the source of some frustration when the entire test suite breaks. Will also cause some headaches during porting. Not having individual make rules, each rpass, etc test no longer remembers between runs whether it completed successfully. As a result, it's not possible to incrementally fix multiple tests by just running 'make check', fixing a test, and repeating without re-running all the tests contained in the test runner. Instead you can filter just the tests you want to run by using the TESTNAME environment variable. This also dispenses with the ability to run stage0 tests, but they tended to be broken more often than not anyway.
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CFG_LDPATH :=
CFG_RUN=$(CFG_LDENV)=$(1) $(2)
CFG_RUN_TARG=$(call CFG_RUN,$(CFG_BUILD_DIR)/$(1),$(2))
CFG_RUN_TEST=$(call CFG_RUN,$(call CFG_TESTLIB,$(1)),\
$(CFG_VALGRIND) $(1))
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CFG_LIBUV_LINK_FLAGS=-lpthread
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ifdef CFG_ENABLE_MINGW_CROSS
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CFG_WINDOWSY := 1
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CFG_INFO := $(info cfg: mingw-cross)
CFG_GCCISH_CROSS := i586-mingw32msvc-
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ifdef CFG_VALGRIND
CFG_VALGRIND += wine
endif
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CFG_GCCISH_CFLAGS := -fno-strict-aliasing -march=i586
CFG_GCCISH_PRE_LIB_FLAGS :=
CFG_GCCISH_POST_LIB_FLAGS :=
CFG_GCCISH_DEF_FLAG :=
CFG_GCCISH_LINK_FLAGS := -shared
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ifeq ($(CFG_CPUTYPE), x86_64)
CFG_GCCISH_CFLAGS += -m32
CFG_GCCISH_LINK_FLAGS += -m32
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endif
endif
ifdef CFG_VALGRIND
CFG_VALGRIND += --leak-check=full \
--error-exitcode=1 \
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--quiet --suppressions=$(CFG_SRC_DIR)src/etc/x86.supp
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endif
endif
ifdef CFG_WINDOWSY
CFG_INFO := $(info cfg: windows-y environment)
CFG_EXE_SUFFIX := .exe
CFG_LIB_NAME=$(1).dll
CFG_DEF_SUFFIX := .def
CFG_LDPATH :=$(CFG_LLVM_BINDIR)
CFG_LDPATH :=$(CFG_LDPATH):$$PATH
The Big Test Suite Overhaul This replaces the make-based test runner with a set of Rust-based test runners. I believe that all existing functionality has been preserved. The primary objective is to dogfood the Rust test framework. A few main things happen here: 1) The run-pass/lib-* tests are all moved into src/test/stdtest. This is a standalone test crate intended for all standard library tests. It compiles to build/test/stdtest.stageN. 2) rustc now compiles into yet another build artifact, this one a test runner that runs any tests contained directly in the rustc crate. This allows much more fine-grained unit testing of the compiler. It compiles to build/test/rustctest.stageN. 3) There is a new custom test runner crate at src/test/compiletest that reproduces all the functionality for running the compile-fail, run-fail, run-pass and bench tests while integrating with Rust's test framework. It compiles to build/test/compiletest.stageN. 4) The build rules have been completely changed to use the new test runners, while also being less redundant, following the example of the recent stageN.mk rewrite. It adds two new features to the cfail/rfail/rpass/bench tests: 1) Tests can specify multiple 'error-pattern' directives which must be satisfied in order. 2) Tests can specify a 'compile-flags' directive which will make the test runner provide additional command line arguments to rustc. There are some downsides, the primary being that Rust has to be functioning pretty well just to run _any_ tests, which I imagine will be the source of some frustration when the entire test suite breaks. Will also cause some headaches during porting. Not having individual make rules, each rpass, etc test no longer remembers between runs whether it completed successfully. As a result, it's not possible to incrementally fix multiple tests by just running 'make check', fixing a test, and repeating without re-running all the tests contained in the test runner. Instead you can filter just the tests you want to run by using the TESTNAME environment variable. This also dispenses with the ability to run stage0 tests, but they tended to be broken more often than not anyway.
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CFG_RUN=PATH="$(CFG_LDPATH):$(1)" $(2)
CFG_RUN_TARG=$(call CFG_RUN,,$(2))
CFG_RUN_TEST=$(call CFG_RUN,$(call CFG_TESTLIB,$(1)),$(1))
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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;')
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CFG_GCCISH_CFLAGS += -march=i686
CFG_GCCISH_LINK_FLAGS += -shared -fPIC
endif
endif
CFG_INFO := $(info cfg: using $(CFG_C_COMPILER))
ifeq ($(CFG_C_COMPILER),clang)
CC=clang
CXX=clang++
CFG_GCCISH_CFLAGS += -Wall -Werror -fno-rtti -fno-exceptions -g
CFG_GCCISH_LINK_FLAGS += -g
CFG_COMPILE_C = $(CFG_GCCISH_CROSS)$(CXX) $(CFG_GCCISH_CFLAGS) \
$(CFG_CLANG_CFLAGS) -c -o $(1) $(2)
CFG_DEPEND_C = $(CFG_GCCISH_CROSS)$(CXX) $(CFG_GCCISH_CFLAGS) -MT "$(1)" \
-MM $(2)
CFG_LINK_C = $(CFG_GCCISH_CROSS)$(CXX) $(CFG_GCCISH_LINK_FLAGS) -o $(1) \
$(CFG_GCCISH_DEF_FLAG)$(3) $(2)
else
ifeq ($(CFG_C_COMPILER),gcc)
CC=gcc
CXX=g++
CFG_GCCISH_CFLAGS += -Wall -Werror -fno-rtti -fno-exceptions -g
CFG_GCCISH_LINK_FLAGS += -g
CFG_COMPILE_C = $(CFG_GCCISH_CROSS)$(CXX) $(CFG_GCCISH_CFLAGS) \
$(CFG_GCC_CFLAGS) -c -o $(1) $(2)
CFG_DEPEND_C = $(CFG_GCCISH_CROSS)$(CXX) $(CFG_GCCISH_CFLAGS) -MT "$(1)" \
-MM $(2)
CFG_LINK_C = $(CFG_GCCISH_CROSS)$(CXX) $(CFG_GCCISH_LINK_FLAGS) -o $(1) \
$(CFG_GCCISH_DEF_FLAG)$(3) $(2)
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else
CFG_ERR := $(error please try on a system with gcc or clang)
endif
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endif