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https://github.com/rust-lang/rust.git
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build: Use clang to compile the runtime if available
This commit is contained in:
Patrick Walton
parent
7641142ce2
commit
269550f673
8
configure
vendored
8
configure
vendored
@ -194,12 +194,13 @@ putvar CFG_CPUTYPE
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putvar CFG_CONFIGURE_ARGS
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step_msg "looking for build programs"
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probe_need CFG_GCC gcc
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probe_need CFG_GIT git
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probe_need CFG_PERL perl
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probe_need CFG_PYTHON python
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probe_need CFG_CURL curl
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probe CFG_CLANG clang
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probe CFG_GCC gcc
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probe CFG_LLVM_CONFIG llvm-config
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probe CFG_VALGRIND valgrind
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probe CFG_OCAMLC ocamlc
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@ -211,6 +212,11 @@ probe CFG_MAKEINFO makeinfo
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probe CFG_TEXI2PDF texi2pdf
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probe CFG_TEX tex
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if [ -z "$CFG_CLANG" -a -z "$CFG_GCC" ]
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then
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err "either clang or gcc is required"
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fi
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# Valgrind is only reliable on Linux. On Windows it doesn't work at all, and
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# on the Mac the dynamic linker causes Valgrind to emit a huge stream of
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# errors.
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@ -1,6 +1,6 @@
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CFG_GCC_CFLAGS := -fno-strict-aliasing
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CFG_GCC_LINK_FLAGS :=
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CFG_GCCISH_CFLAGS := -fno-strict-aliasing
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CFG_GCCISH_LINK_FLAGS :=
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# On Darwin, we need to run dsymutil so the debugging information ends
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# up in the right place. On other platforms, it automatically gets
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@ -9,11 +9,11 @@ CFG_DSYMUTIL := true
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ifeq ($(CFG_OSTYPE), FreeBSD)
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CFG_LIB_NAME=lib$(1).so
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CFG_GCC_CFLAGS += -fPIC -march=i686 -I/usr/local/include -O2
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CFG_GCC_LINK_FLAGS += -shared -fPIC -lpthread -lrt
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CFG_GCCISH_CFLAGS += -fPIC -march=i686 -I/usr/local/include -O2
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CFG_GCCISH_LINK_FLAGS += -shared -fPIC -lpthread -lrt
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ifeq ($(CFG_CPUTYPE), x86_64)
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CFG_GCC_CFLAGS += -m32
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CFG_GCC_LINK_FLAGS += -m32
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CFG_GCCISH_CFLAGS += -m32
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CFG_GCCISH_LINK_FLAGS += -m32
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endif
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CFG_UNIXY := 1
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CFG_LDENV := LD_LIBRARY_PATH
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@ -22,14 +22,14 @@ endif
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ifeq ($(CFG_OSTYPE), Linux)
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CFG_LIB_NAME=lib$(1).so
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CFG_GCC_CFLAGS += -fPIC -march=i686 -O2
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CFG_GCC_LINK_FLAGS += -shared -fPIC -ldl -lpthread -lrt
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CFG_GCC_DEF_FLAG := -Wl,--export-dynamic,--dynamic-list=
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CFG_GCC_PRE_LIB_FLAGS := -Wl,-whole-archive
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CFG_GCC_POST_LIB_FLAGS := -Wl,-no-whole-archive
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CFG_GCCISH_CFLAGS += -fPIC -march=i686 -O2
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CFG_GCCISH_LINK_FLAGS += -shared -fPIC -ldl -lpthread -lrt
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CFG_GCCISH_DEF_FLAG := -Wl,--export-dynamic,--dynamic-list=
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CFG_GCCISH_PRE_LIB_FLAGS := -Wl,-whole-archive
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CFG_GCCISH_POST_LIB_FLAGS := -Wl,-no-whole-archive
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ifeq ($(CFG_CPUTYPE), x86_64)
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CFG_GCC_CFLAGS += -m32
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CFG_GCC_LINK_FLAGS += -m32
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CFG_GCCISH_CFLAGS += -m32
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CFG_GCCISH_LINK_FLAGS += -m32
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endif
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CFG_UNIXY := 1
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CFG_LDENV := LD_LIBRARY_PATH
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@ -40,8 +40,8 @@ ifeq ($(CFG_OSTYPE), Darwin)
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CFG_LIB_NAME=lib$(1).dylib
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CFG_UNIXY := 1
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CFG_LDENV := DYLD_LIBRARY_PATH
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CFG_GCC_LINK_FLAGS += -dynamiclib -lpthread
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CFG_GCC_DEF_FLAG := -Wl,-exported_symbols_list,
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CFG_GCCISH_LINK_FLAGS += -dynamiclib -lpthread
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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
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# "on an i386" when the whole userspace is 64-bit and the compiler
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# emits 64-bit binaries by default. So we just force -m32 here. Smarter
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@ -49,7 +49,12 @@ ifeq ($(CFG_OSTYPE), Darwin)
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#
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# NB: Currently GCC's optimizer breaks rustrt (task-comm-1 hangs) on Darwin.
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CFG_GCC_CFLAGS += -m32 -O0
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CFG_GCC_LINK_FLAGS += -m32
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CFG_CLANG_CFLAGS += -m32 -O2
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ifeq ($(CFG_CPUTYPE), x86_64)
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CFG_GCCISH_CFLAGS += -arch i386
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CFG_GCCISH_LINK_FLAGS += -arch i386
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endif
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CFG_GCCISH_LINK_FLAGS += -m32
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CFG_DSYMUTIL := dsymutil
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CFG_DEF_SUFFIX := .darwin.def
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endif
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@ -85,8 +90,8 @@ ifdef CFG_WINDOWSY
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ifdef CFG_FLEXLINK
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CFG_BOOT_NATIVE := 1
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endif
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CFG_GCC_CFLAGS += -march=i686 -O2
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CFG_GCC_LINK_FLAGS += -shared -fPIC
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CFG_GCCISH_CFLAGS += -march=i686 -O2
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CFG_GCCISH_LINK_FLAGS += -shared -fPIC
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CFG_DEF_SUFFIX := .def
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endif
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@ -112,16 +117,16 @@ ifdef CFG_UNIXY
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CFG_RUN_TEST=PATH=$(CFG_LDPATH):$(call CFG_TESTLIB,$(1)) $(1)
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CFG_INFO := $(info cfg: mingw-cross)
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CFG_GCC_CROSS := i586-mingw32msvc-
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CFG_GCCISH_CROSS := i586-mingw32msvc-
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CFG_BOOT_FLAGS += -t win32-x86-pe
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ifdef CFG_VALGRIND
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CFG_VALGRIND += wine
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endif
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CFG_GCC_CFLAGS := -march=i686
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CFG_GCC_LINK_FLAGS := -shared
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CFG_GCCISH_CFLAGS := -march=i686
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CFG_GCCISH_LINK_FLAGS := -shared
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ifeq ($(CFG_CPUTYPE), x86_64)
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CFG_GCC_CFLAGS += -m32
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CFG_GCC_LINK_FLAGS += -m32
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CFG_GCCISH_CFLAGS += -m32
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CFG_GCCISH_LINK_FLAGS += -m32
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endif
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endif
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ifdef CFG_VALGRIND
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@ -132,14 +137,28 @@ ifdef CFG_UNIXY
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endif
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endif
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ifdef CFG_CLANG
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CFG_INFO := $(info cfg: using clang)
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CFG_GCCISH_CFLAGS += -Wall -Werror -fno-rtti -fno-exceptions -g
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CFG_GCCISH_LINK_FLAGS += -g
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CFG_COMPILE_C = $(CFG_GCCISH_CROSS)clang++ $(CFG_GCCISH_CFLAGS) \
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$(CFG_CLANG_CFLAGS) -c -o $(1) $(2)
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CFG_DEPEND_C = $(CFG_GCCISH_CROSS)clang++ $(CFG_GCCISH_CFLAGS) -MT "$(1)" \
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-MM $(2)
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CFG_LINK_C = $(CFG_GCCISH_CROSS)clang++ $(CFG_GCCISH_LINK_FLAGS) -o $(1) \
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$(CFG_GCCISH_DEF_FLAG)$(3) $(2)
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else
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ifdef CFG_GCC
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CFG_INFO := $(info cfg: using gcc)
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CFG_GCC_CFLAGS += -Wall -Werror -fno-rtti -fno-exceptions -g
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CFG_GCC_LINK_FLAGS += -g
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CFG_COMPILE_C = $(CFG_GCC_CROSS)g++ $(CFG_GCC_CFLAGS) -c -o $(1) $(2)
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CFG_DEPEND_C = $(CFG_GCC_CROSS)g++ $(CFG_GCC_CFLAGS) -MT "$(1)" -MM $(2)
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CFG_LINK_C = $(CFG_GCC_CROSS)g++ $(CFG_GCC_LINK_FLAGS) -o $(1) \
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$(CFG_GCC_DEF_FLAG)$(3) $(2)
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CFG_GCCISH_CFLAGS += -Wall -Werror -fno-rtti -fno-exceptions -g
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CFG_GCCISH_LINK_FLAGS += -g
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CFG_COMPILE_C = $(CFG_GCCISH_CROSS)g++ $(CFG_GCCISH_CFLAGS) \
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$(CFG_GCC_CFLAGS) -c -o $(1) $(2)
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CFG_DEPEND_C = $(CFG_GCCISH_CROSS)g++ $(CFG_GCCISH_CFLAGS) -MT "$(1)" \
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-MM $(2)
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CFG_LINK_C = $(CFG_GCCISH_CROSS)g++ $(CFG_GCCISH_LINK_FLAGS) -o $(1) \
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$(CFG_GCCISH_DEF_FLAG)$(3) $(2)
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else
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CFG_ERR := $(error please try on a system with gcc)
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CFG_ERR := $(error please try on a system with gcc or clang)
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endif
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endif
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2
mk/rt.mk
2
mk/rt.mk
@ -64,7 +64,7 @@ RUNTIME_HDR := rt/globals.h \
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RUNTIME_DEF := rt/rustrt$(CFG_DEF_SUFFIX)
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RUNTIME_INCS := -I $(S)src/rt/isaac -I $(S)src/rt/uthash
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RUNTIME_OBJS := $(RUNTIME_CS:.cpp=.o)
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RUNTIME_LIBS := $(CFG_GCC_POST_LIB_FLAGS)
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RUNTIME_LIBS := $(CFG_GCCISH_POST_LIB_FLAGS)
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rt/%.o: rt/%.cpp $(MKFILES)
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@ -29,8 +29,8 @@ rustllvm/$(CFG_RUSTLLVM): rustllvm/rustllvmbits.a $(RUSTLLVM_OBJS_OBJS) \
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$(MKFILES) $(RUSTLLVM_HDR) $(RUSTLLVM_DEF)
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@$(call E, link: $@)
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$(Q)$(call CFG_LINK_C,$@,$(RUSTLLVM_OBJS_OBJS) \
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$(CFG_GCC_PRE_LIB_FLAGS) $(CFG_LLVM_LIBS) \
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$(CFG_GCC_POST_LIB_FLAGS) rustllvm/rustllvmbits.a \
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$(CFG_GCCISH_PRE_LIB_FLAGS) $(CFG_LLVM_LIBS) \
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$(CFG_GCCISH_POST_LIB_FLAGS) rustllvm/rustllvmbits.a \
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$(CFG_LLVM_LIBS) \
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$(CFG_LLVM_LDFLAGS),$(RUSTLLVM_DEF))
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@ -6,8 +6,8 @@ stage1/std.o: $(STDLIB_CRATE) $(STDLIB_INPUTS) \
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stage1/$(CFG_STDLIB): stage1/std.o stage1/glue.o
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@$(call E, link: $@)
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$(Q)gcc $(CFG_GCC_CFLAGS) stage1/glue.o $(CFG_GCC_LINK_FLAGS) -o $@ $< \
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-Lstage1 -Lrt -lrustrt
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$(Q)gcc $(CFG_GCCISH_CFLAGS) stage1/glue.o $(CFG_GCCISH_LINK_FLAGS) \
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-o $@ $< -Lstage1 -Lrt -lrustrt
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stage1/rustc.o: $(COMPILER_CRATE) $(COMPILER_INPUTS) $(SREQ0)
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@$(call E, compile: $@)
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@ -30,11 +30,11 @@ stage1/intrinsics.bc: $(INTRINSICS_BC)
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stage1/%.o: stage1/%.s
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@$(call E, assemble [gcc]: $@)
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$(Q)gcc $(CFG_GCC_CFLAGS) -o $@ -c $<
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$(Q)gcc $(CFG_GCCISH_CFLAGS) -o $@ -c $<
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stage1/%$(X): stage1/%.o $(SREQ0)
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@$(call E, link [gcc]: $@)
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$(Q)gcc $(CFG_GCC_CFLAGS) stage1/glue.o -o $@ $< \
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$(Q)gcc $(CFG_GCCISH_CFLAGS) stage1/glue.o -o $@ $< \
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-Lstage1 -Lrustllvm -Lrt -lrustrt -lrustllvm -lstd -lm
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@# dsymutil sometimes fails or prints a warning, but the
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@# program still runs. Since it simplifies debugging other
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@ -6,8 +6,8 @@ stage2/std.o: $(STDLIB_CRATE) $(STDLIB_INPUTS) \
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stage2/$(CFG_STDLIB): stage2/std.o stage2/glue.o
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@$(call E, link: $@)
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$(Q)gcc $(CFG_GCC_CFLAGS) stage2/glue.o $(CFG_GCC_LINK_FLAGS) -o $@ $< \
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-Lstage2 -Lrt -lrustrt
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$(Q)gcc $(CFG_GCCISH_CFLAGS) stage2/glue.o $(CFG_GCCISH_LINK_FLAGS) -o \
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$@ $< -Lstage2 -Lrt -lrustrt
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stage2/rustc.o: $(COMPILER_CRATE) $(COMPILER_INPUTS) $(SREQ1)
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@$(call E, compile: $@)
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@ -30,11 +30,11 @@ stage2/intrinsics.bc: $(INTRINSICS_BC)
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stage2/%.o: stage2/%.s
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@$(call E, assemble [gcc]: $@)
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$(Q)gcc $(CFG_GCC_CFLAGS) -o $@ -c $<
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$(Q)gcc $(CFG_GCCISH_CFLAGS) -o $@ -c $<
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stage2/%$(X): stage2/%.o $(SREQ1)
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@$(call E, link [gcc]: $@)
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$(Q)gcc $(CFG_GCC_CFLAGS) stage2/glue.o -o $@ $< \
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$(Q)gcc $(CFG_GCCISH_CFLAGS) stage2/glue.o -o $@ $< \
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-Lstage2 -Lrustllvm -Lrt -lrustrt -lrustllvm -lstd -lm
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@# dsymutil sometimes fails or prints a warning, but the
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@# program still runs. Since it simplifies debugging other
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@ -6,8 +6,8 @@ stage3/std.o: $(STDLIB_CRATE) $(STDLIB_INPUTS) \
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stage3/$(CFG_STDLIB): stage3/std.o stage3/glue.o
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@$(call E, link: $@)
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$(Q)gcc $(CFG_GCC_CFLAGS) stage3/glue.o $(CFG_GCC_LINK_FLAGS) -o $@ $< \
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-Lstage3 -Lrt -lrustrt
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$(Q)gcc $(CFG_GCCISH_CFLAGS) stage3/glue.o $(CFG_GCCISH_LINK_FLAGS) -o \
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$@ $< -Lstage3 -Lrt -lrustrt
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stage3/rustc.o: $(COMPILER_CRATE) $(COMPILER_INPUTS) $(SREQ2)
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@$(call E, compile: $@)
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@ -30,11 +30,11 @@ stage3/intrinsics.bc: $(INTRINSICS_BC)
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stage3/%.o: stage3/%.s
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@$(call E, assemble [gcc]: $@)
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$(Q)gcc $(CFG_GCC_CFLAGS) -o $@ -c $<
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$(Q)gcc $(CFG_GCCISH_CFLAGS) -o $@ -c $<
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stage3/%$(X): stage3/%.o $(SREQ2)
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@$(call E, link [gcc]: $@)
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$(Q)gcc $(CFG_GCC_CFLAGS) stage3/glue.o -o $@ $< \
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$(Q)gcc $(CFG_GCCISH_CFLAGS) stage3/glue.o -o $@ $< \
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-Lstage3 -Lrustllvm -Lrt -lrustrt -lrustllvm -lstd -lm
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@# dsymutil sometimes fails or prints a warning, but the
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@# program still runs. Since it simplifies debugging other
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@ -185,7 +185,7 @@ compile-check: tidy \
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%.stage0$(X): %.stage0.o $(SREQ0)
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@$(call E, link [gcc]: $@)
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$(Q)gcc $(CFG_GCC_CFLAGS) stage1/glue.o -o $@ $< \
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$(Q)gcc $(CFG_GCCISH_CFLAGS) stage1/glue.o -o $@ $< \
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-Lstage1 -Lrt -lrustrt -lstd -lm
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@# dsymutil sometimes fails or prints a warning, but the
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@# program still runs. Since it simplifies debugging other
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@ -194,7 +194,7 @@ compile-check: tidy \
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%.stage1$(X): %.stage1.o $(SREQ1)
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@$(call E, link [gcc]: $@)
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$(Q)gcc $(CFG_GCC_CFLAGS) stage2/glue.o -o $@ $< \
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$(Q)gcc $(CFG_GCCISH_CFLAGS) stage2/glue.o -o $@ $< \
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-Lstage2 -Lrt -lrustrt -lstd -lm
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@# dsymutil sometimes fails or prints a warning, but the
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@# program still runs. Since it simplifies debugging other
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@ -203,7 +203,7 @@ compile-check: tidy \
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%.stage2$(X): %.stage2.o $(SREQ2)
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@$(call E, link [gcc]: $@)
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$(Q)gcc $(CFG_GCC_CFLAGS) stage3/glue.o -o $@ $< \
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$(Q)gcc $(CFG_GCCISH_CFLAGS) stage3/glue.o -o $@ $< \
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-Lstage3 -Lrt -lrustrt -lstd -lm
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@# dsymutil sometimes fails or prints a warning, but the
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@# program still runs. Since it simplifies debugging other
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