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rust/mk/rt.mk
Alex Crichton c35b2bd226 trans: Move rust_try into the compiler 
This commit moves the IR files in the distribution, rust_try.ll,
rust_try_msvc_64.ll, and rust_try_msvc_32.ll into the compiler from the main
distribution. There's a few reasons for this change:

* LLVM changes its IR syntax from time to time, so it's very difficult to
  have these files build across many LLVM versions simultaneously. We'll likely
  want to retain this ability for quite some time into the future.
* The implementation of these files is closely tied to the compiler and runtime
  itself, so it makes sense to fold it into a location which can do more
  platform-specific checks for various implementation details (such as MSVC 32
  vs 64-bit).
* This removes LLVM as a build-time dependency of the standard library. This may
  end up becoming very useful if we move towards building the standard library
  with Cargo.

In the immediate future, however, this commit should restore compatibility with
LLVM 3.5 and 3.6.
2015-07-21 16:08:11 -07:00

352 lines
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Makefile
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# Copyright 2014 The Rust Project Developers. See the COPYRIGHT
# file at the top-level directory of this distribution and at
# http://rust-lang.org/COPYRIGHT.
#
# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
# option. This file may not be copied, modified, or distributed
# except according to those terms.
################################################################################
# Native libraries built as part of the rust build process
#
# This portion of the rust build system is meant to keep track of native
# dependencies and how to build them. It is currently required that all native
# dependencies are built as static libraries, as slinging around dynamic
# libraries isn't exactly the most fun thing to do.
#
# This section should need minimal modification to add new libraries. The
# relevant variables are:
#
# NATIVE_LIBS
# This is a list of all native libraries which are built as part of the
# build process. It will build all libraries into RT_OUTPUT_DIR with the
# appropriate name of static library as dictated by the target platform
#
# NATIVE_DEPS_<lib>
# This is a list of files relative to the src/rt directory which are
# needed to build the native library. Each file will be compiled to an
# object file, and then all the object files will be assembled into an
# archive (static library). The list contains files of any extension
#
# If adding a new library, you should update the NATIVE_LIBS list, and then list
# the required files below it. The list of required files is a list of files
# that's per-target so you're allowed to conditionally add files based on the
# target.
################################################################################
NATIVE_LIBS := rust_builtin hoedown morestack miniz \
rustrt_native rust_test_helpers
# $(1) is the target triple
define NATIVE_LIBRARIES
NATIVE_DEPS_hoedown_$(1) := hoedown/src/autolink.c \
hoedown/src/buffer.c \
hoedown/src/document.c \
hoedown/src/escape.c \
hoedown/src/html.c \
hoedown/src/html_blocks.c \
hoedown/src/html_smartypants.c \
hoedown/src/stack.c \
hoedown/src/version.c
NATIVE_DEPS_miniz_$(1) = miniz.c
NATIVE_DEPS_rust_builtin_$(1) := rust_builtin.c \
rust_android_dummy.c
NATIVE_DEPS_rustrt_native_$(1) := arch/$$(HOST_$(1))/record_sp.S
NATIVE_DEPS_rust_test_helpers_$(1) := rust_test_helpers.c
NATIVE_DEPS_morestack_$(1) := arch/$$(HOST_$(1))/morestack.S
################################################################################
# You shouldn't find it that necessary to edit anything below this line.
################################################################################
# While we're defining the native libraries for each target, we define some
# common rules used to build files for various targets.
RT_OUTPUT_DIR_$(1) := $(1)/rt
$$(RT_OUTPUT_DIR_$(1))/%.o: $(S)src/rt/%.c $$(MKFILE_DEPS)
@mkdir -p $$(@D)
@$$(call E, compile: $$@)
$$(Q)$$(call CFG_COMPILE_C_$(1), $$@, \
$$(call CFG_CC_INCLUDE_$(1),$$(S)src/rt/hoedown/src) \
$$(call CFG_CC_INCLUDE_$(1),$$(S)src/rt) \
$$(RUNTIME_CFLAGS_$(1))) $$<
$$(RT_OUTPUT_DIR_$(1))/%.o: $(S)src/rt/%.S $$(MKFILE_DEPS) \
$$(LLVM_CONFIG_$$(CFG_BUILD))
@mkdir -p $$(@D)
@$$(call E, compile: $$@)
$$(Q)$$(call CFG_ASSEMBLE_$(1),$$@,$$<)
# On MSVC targets the compiler's default include path (e.g. where to find system
# headers) is specified by the INCLUDE environment variable. This may not be set
# so the ./configure script scraped the relevant values and this is the location
# that we put them into cl.exe's environment.
ifeq ($$(findstring msvc,$(1)),msvc)
$$(RT_OUTPUT_DIR_$(1))/%.o: \
export INCLUDE := $$(CFG_MSVC_INCLUDE_PATH_$$(HOST_$(1)))
$(1)/rustllvm/%.o: \
export INCLUDE := $$(CFG_MSVC_INCLUDE_PATH_$$(HOST_$(1)))
endif
endef
$(foreach target,$(CFG_TARGET),$(eval $(call NATIVE_LIBRARIES,$(target))))
# A macro for devining how to build third party libraries listed above (based
# on their dependencies).
#
# $(1) is the target
# $(2) is the lib name
define THIRD_PARTY_LIB
OBJS_$(2)_$(1) := $$(NATIVE_DEPS_$(2)_$(1):%=$$(RT_OUTPUT_DIR_$(1))/%)
OBJS_$(2)_$(1) := $$(OBJS_$(2)_$(1):.c=.o)
OBJS_$(2)_$(1) := $$(OBJS_$(2)_$(1):.cpp=.o)
OBJS_$(2)_$(1) := $$(OBJS_$(2)_$(1):.S=.o)
NATIVE_$(2)_$(1) := $$(call CFG_STATIC_LIB_NAME_$(1),$(2))
$$(RT_OUTPUT_DIR_$(1))/$$(NATIVE_$(2)_$(1)): $$(OBJS_$(2)_$(1))
@$$(call E, link: $$@)
$$(Q)$$(call CFG_CREATE_ARCHIVE_$(1),$$@) $$^
endef
$(foreach target,$(CFG_TARGET), \
$(eval $(call RUNTIME_RULES,$(target))))
$(foreach lib,$(NATIVE_LIBS), \
$(foreach target,$(CFG_TARGET), \
$(eval $(call THIRD_PARTY_LIB,$(target),$(lib)))))
################################################################################
# Building third-party targets with external build systems
#
# This location is meant for dependencies which have external build systems. It
# is still assumed that the output of each of these steps is a static library
# in the correct location.
################################################################################
define DEF_THIRD_PARTY_TARGETS
# $(1) is the target triple
ifeq ($$(CFG_WINDOWSY_$(1)), 1)
# This isn't necessarily a desired option, but it's harmless and works around
# what appears to be a mingw-w64 bug.
#
# https://sourceforge.net/p/mingw-w64/bugs/395/
JEMALLOC_ARGS_$(1) := --enable-lazy-lock
else ifeq ($(OSTYPE_$(1)), apple-ios)
JEMALLOC_ARGS_$(1) := --disable-tls
else ifeq ($(findstring android, $(OSTYPE_$(1))), android)
JEMALLOC_ARGS_$(1) := --disable-tls
endif
ifdef CFG_ENABLE_DEBUG_JEMALLOC
JEMALLOC_ARGS_$(1) += --enable-debug --enable-fill
endif
################################################################################
# jemalloc
################################################################################
ifdef CFG_ENABLE_FAST_MAKE
JEMALLOC_DEPS := $(S)/.gitmodules
else
JEMALLOC_DEPS := $(wildcard \
$(S)src/jemalloc/* \
$(S)src/jemalloc/*/* \
$(S)src/jemalloc/*/*/* \
$(S)src/jemalloc/*/*/*/*)
endif
# See #17183 for details, this file is touched during the build process so we
# don't want to consider it as a dependency.
JEMALLOC_DEPS := $(filter-out $(S)src/jemalloc/VERSION,$(JEMALLOC_DEPS))
JEMALLOC_NAME_$(1) := $$(call CFG_STATIC_LIB_NAME_$(1),jemalloc)
ifeq ($$(CFG_WINDOWSY_$(1)),1)
JEMALLOC_REAL_NAME_$(1) := $$(call CFG_STATIC_LIB_NAME_$(1),jemalloc_s)
else
JEMALLOC_REAL_NAME_$(1) := $$(call CFG_STATIC_LIB_NAME_$(1),jemalloc_pic)
endif
JEMALLOC_LIB_$(1) := $$(RT_OUTPUT_DIR_$(1))/$$(JEMALLOC_NAME_$(1))
JEMALLOC_BUILD_DIR_$(1) := $$(RT_OUTPUT_DIR_$(1))/jemalloc
JEMALLOC_LOCAL_$(1) := $$(JEMALLOC_BUILD_DIR_$(1))/lib/$$(JEMALLOC_REAL_NAME_$(1))
$$(JEMALLOC_LOCAL_$(1)): $$(JEMALLOC_DEPS) $$(MKFILE_DEPS)
@$$(call E, make: jemalloc)
cd "$$(JEMALLOC_BUILD_DIR_$(1))"; "$(S)src/jemalloc/configure" \
$$(JEMALLOC_ARGS_$(1)) --with-jemalloc-prefix=je_ $(CFG_JEMALLOC_FLAGS) \
--build=$$(CFG_GNU_TRIPLE_$(CFG_BUILD)) --host=$$(CFG_GNU_TRIPLE_$(1)) \
CC="$$(CC_$(1)) $$(CFG_JEMALLOC_CFLAGS_$(1))" \
AR="$$(AR_$(1))" \
RANLIB="$$(AR_$(1)) s" \
CPPFLAGS="-I $(S)src/rt/" \
EXTRA_CFLAGS="-g1 -ffunction-sections -fdata-sections"
$$(Q)$$(MAKE) -C "$$(JEMALLOC_BUILD_DIR_$(1))" build_lib_static
ifeq ($$(CFG_DISABLE_JEMALLOC),)
RUSTFLAGS_alloc := --cfg jemalloc
ifeq ($(1),$$(CFG_BUILD))
ifneq ($$(CFG_JEMALLOC_ROOT),)
$$(JEMALLOC_LIB_$(1)): $$(CFG_JEMALLOC_ROOT)/libjemalloc_pic.a
@$$(call E, copy: jemalloc)
$$(Q)cp $$< $$@
else
$$(JEMALLOC_LIB_$(1)): $$(JEMALLOC_LOCAL_$(1))
$$(Q)cp $$< $$@
endif
else
$$(JEMALLOC_LIB_$(1)): $$(JEMALLOC_LOCAL_$(1))
$$(Q)cp $$< $$@
endif
else
$$(JEMALLOC_LIB_$(1)): $$(MKFILE_DEPS)
$$(Q)touch $$@
endif
################################################################################
# compiler-rt
################################################################################
ifdef CFG_ENABLE_FAST_MAKE
COMPRT_DEPS := $(S)/.gitmodules
else
COMPRT_DEPS := $(wildcard \
$(S)src/compiler-rt/* \
$(S)src/compiler-rt/*/* \
$(S)src/compiler-rt/*/*/* \
$(S)src/compiler-rt/*/*/*/*)
endif
COMPRT_NAME_$(1) := $$(call CFG_STATIC_LIB_NAME_$(1),compiler-rt)
COMPRT_LIB_$(1) := $$(RT_OUTPUT_DIR_$(1))/$$(COMPRT_NAME_$(1))
COMPRT_BUILD_DIR_$(1) := $$(RT_OUTPUT_DIR_$(1))/compiler-rt
# Note that on MSVC-targeting builds we hardwire CC/AR to gcc/ar even though
# we're targeting MSVC. This is because although compiler-rt has a CMake build
# config I can't actually figure out how to use it, so I'm not sure how to use
# cl.exe to build the objects. Additionally, the compiler-rt library when built
# with gcc has the same ABI as cl.exe, so they're largely compatible
COMPRT_CC_$(1) := $$(CC_$(1))
COMPRT_AR_$(1) := $$(AR_$(1))
COMPRT_CFLAGS_$(1) := $$(CFG_GCCISH_CFLAGS_$(1))
ifeq ($$(findstring msvc,$(1)),msvc)
COMPRT_CC_$(1) := gcc
COMPRT_AR_$(1) := ar
ifeq ($$(findstring i686,$(1)),i686)
COMPRT_CFLAGS_$(1) := $$(CFG_GCCISH_CFLAGS_$(1)) -m32
else
COMPRT_CFLAGS_$(1) := $$(CFG_GCCISH_CFLAGS_$(1)) -m64
endif
endif
$$(COMPRT_LIB_$(1)): $$(COMPRT_DEPS) $$(MKFILE_DEPS)
@$$(call E, make: compiler-rt)
$$(Q)$$(MAKE) -C "$(S)src/compiler-rt" \
ProjSrcRoot="$(S)src/compiler-rt" \
ProjObjRoot="$$(abspath $$(COMPRT_BUILD_DIR_$(1)))" \
CC='$$(COMPRT_CC_$(1))' \
AR='$$(COMPRT_AR_$(1))' \
RANLIB='$$(COMPRT_AR_$(1)) s' \
CFLAGS="$$(COMPRT_CFLAGS_$(1))" \
TargetTriple=$(1) \
triple-builtins
$$(Q)cp $$(COMPRT_BUILD_DIR_$(1))/triple/builtins/libcompiler_rt.a $$@
################################################################################
# libbacktrace
#
# We use libbacktrace on linux to get symbols in backtraces, but only on linux.
# Elsewhere we use other system utilities, so this library is only built on
# linux.
################################################################################
BACKTRACE_NAME_$(1) := $$(call CFG_STATIC_LIB_NAME_$(1),backtrace)
BACKTRACE_LIB_$(1) := $$(RT_OUTPUT_DIR_$(1))/$$(BACKTRACE_NAME_$(1))
BACKTRACE_BUILD_DIR_$(1) := $$(RT_OUTPUT_DIR_$(1))/libbacktrace
# We don't use this on platforms that aren't linux-based, so just make the file
# available, the compilation of libstd won't actually build it.
ifeq ($$(findstring darwin,$$(OSTYPE_$(1))),darwin)
# See comment above
$$(BACKTRACE_LIB_$(1)):
touch $$@
else
ifeq ($$(findstring ios,$$(OSTYPE_$(1))),ios)
# See comment above
$$(BACKTRACE_LIB_$(1)):
touch $$@
else
ifeq ($$(CFG_WINDOWSY_$(1)),1)
# See comment above
$$(BACKTRACE_LIB_$(1)):
touch $$@
else
ifdef CFG_ENABLE_FAST_MAKE
BACKTRACE_DEPS := $(S)/.gitmodules
else
BACKTRACE_DEPS := $(wildcard $(S)src/libbacktrace/*)
endif
# We need to export CFLAGS because otherwise it doesn't pick up cross compile
# builds. If libbacktrace doesn't realize this, it will attempt to read 64-bit
# elf headers when compiled for a 32-bit system, yielding blank backtraces.
#
# This also removes the -Werror flag specifically to prevent errors during
# configuration.
#
# Down below you'll also see echos into the config.h generated by the
# ./configure script. This is done to force libbacktrace to *not* use the
# atomic/sync functionality because it pulls in unnecessary dependencies and we
# never use it anyway.
$$(BACKTRACE_BUILD_DIR_$(1))/Makefile: $$(BACKTRACE_DEPS) $$(MKFILE_DEPS)
@$$(call E, configure: libbacktrace for $(1))
$$(Q)rm -rf $$(BACKTRACE_BUILD_DIR_$(1))
$$(Q)mkdir -p $$(BACKTRACE_BUILD_DIR_$(1))
$$(Q)(cd $$(BACKTRACE_BUILD_DIR_$(1)) && \
CC="$$(CC_$(1))" \
AR="$$(AR_$(1))" \
RANLIB="$$(AR_$(1)) s" \
CFLAGS="$$(CFG_GCCISH_CFLAGS_$(1):-Werror=) -fno-stack-protector" \
$(S)src/libbacktrace/configure --target=$(1) --host=$(CFG_BUILD))
$$(Q)echo '#undef HAVE_ATOMIC_FUNCTIONS' >> \
$$(BACKTRACE_BUILD_DIR_$(1))/config.h
$$(Q)echo '#undef HAVE_SYNC_FUNCTIONS' >> \
$$(BACKTRACE_BUILD_DIR_$(1))/config.h
$$(BACKTRACE_LIB_$(1)): $$(BACKTRACE_BUILD_DIR_$(1))/Makefile $$(MKFILE_DEPS)
@$$(call E, make: libbacktrace)
$$(Q)$$(MAKE) -C $$(BACKTRACE_BUILD_DIR_$(1)) \
INCDIR=$(S)src/libbacktrace
$$(Q)cp $$(BACKTRACE_BUILD_DIR_$(1))/.libs/libbacktrace.a $$@
endif # endif for windowsy
endif # endif for ios
endif # endif for darwin
################################################################################
# libc/libunwind for musl
#
# When we're building a musl-like target we're going to link libc/libunwind
# statically into the standard library and liblibc, so we need to make sure
# they're in a location that we can find
################################################################################
ifeq ($$(findstring musl,$(1)),musl)
$$(RT_OUTPUT_DIR_$(1))/%: $$(CFG_MUSL_ROOT)/lib/%
cp $$^ $$@
endif
endef
# Instantiate template for all stages/targets
$(foreach target,$(CFG_TARGET), \
$(eval $(call DEF_THIRD_PARTY_TARGETS,$(target))))
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