async def select_gcc_c_toolchain(
platform: Platform,
native_toolchain: NativeToolchain) -> GCCCToolchain:
provided_gcc = await Get[CCompiler](GCC, native_toolchain._gcc)
if platform == Platform.darwin:
# GCC needs access to some headers that are only provided by the XCode toolchain
# currently (e.g. "_stdio.h"). These headers are unlikely to change across versions, so this is
# probably safe.
xcode_clang = await Get[CCompiler](XCodeCLITools,
native_toolchain._xcode_cli_tools)
joined_c_compiler = provided_gcc.sequence(xcode_clang)
else:
joined_c_compiler = provided_gcc
# GCC needs an assembler, so we provide that (platform-specific) tool here.
assembler = await Get[Assembler](NativeToolchain, native_toolchain)
working_c_compiler = joined_c_compiler.sequence(assembler).prepend_field(
'extra_args', [
'-x',
'c',
'-std=c11',
])
gcc_linker_wrapper = await Get[GCCLinker](NativeToolchain,
native_toolchain)
working_linker = gcc_linker_wrapper.for_compiler(working_c_compiler,
platform)
return GCCCToolchain(CToolchain(working_c_compiler, working_linker))
async def select_llvm_c_toolchain(
platform: Platform,
native_toolchain: NativeToolchain) -> LLVMCToolchain:
provided_clang = await Get[CCompiler](LLVM, native_toolchain._llvm)
if platform == Platform.darwin:
xcode_clang = await Get[CCompiler](XCodeCLITools,
native_toolchain._xcode_cli_tools)
joined_c_compiler = provided_clang.sequence(xcode_clang)
else:
gcc_install = await Get[GCCInstallLocationForLLVM](
GCC, native_toolchain._gcc)
provided_gcc = await Get[CCompiler](GCC, native_toolchain._gcc)
joined_c_compiler = (
provided_clang.sequence(provided_gcc).append_field(
'extra_args', gcc_install.as_clang_argv)
# We need g++'s version of the GLIBCXX library to be able to run.
.prepend_field('runtime_library_dirs',
provided_gcc.runtime_library_dirs))
working_c_compiler = joined_c_compiler.prepend_field(
'extra_args', [
'-x',
'c',
'-std=c11',
])
llvm_linker_wrapper = await Get[LLVMLinker](NativeToolchain,
native_toolchain)
working_linker = llvm_linker_wrapper.for_compiler(working_c_compiler,
platform)
return LLVMCToolchain(CToolchain(working_c_compiler, working_linker))
def select_llvm_c_toolchain(platform, native_toolchain):
provided_clang = yield Get(CCompiler, LLVM, native_toolchain._llvm)
# These arguments are shared across platforms.
llvm_c_compiler_args = [
'-x',
'c',
'-std=c11',
'-nobuiltininc',
]
if platform.normalized_os_name == 'darwin':
xcode_clang = yield Get(CCompiler, XCodeCLITools,
native_toolchain._xcode_cli_tools)
working_c_compiler = CCompiler(
path_entries=(provided_clang.path_entries +
xcode_clang.path_entries),
exe_filename=provided_clang.exe_filename,
library_dirs=(provided_clang.library_dirs +
xcode_clang.library_dirs),
include_dirs=(provided_clang.include_dirs +
xcode_clang.include_dirs),
extra_args=(llvm_c_compiler_args + xcode_clang.extra_args))
else:
gcc_install = yield Get(GCCInstallLocationForLLVM, GCC,
native_toolchain._gcc)
provided_gcc = yield Get(CCompiler, GCC, native_toolchain._gcc)
working_c_compiler = CCompiler(
path_entries=provided_clang.path_entries,
exe_filename=provided_clang.exe_filename,
# We need g++'s version of the GLIBCXX library to be able to run, unfortunately.
library_dirs=(provided_gcc.library_dirs +
provided_clang.library_dirs),
include_dirs=provided_gcc.include_dirs,
extra_args=(llvm_c_compiler_args + gcc_install.as_clang_argv))
base_linker_wrapper = yield Get(BaseLinker, NativeToolchain,
native_toolchain)
base_linker = base_linker_wrapper.linker
libc_dev = yield Get(LibcDev, NativeToolchain, native_toolchain)
working_linker = Linker(
path_entries=(base_linker.path_entries +
working_c_compiler.path_entries),
exe_filename=working_c_compiler.exe_filename,
library_dirs=(base_linker.library_dirs +
working_c_compiler.library_dirs),
linking_library_dirs=(base_linker.linking_library_dirs +
libc_dev.get_libc_dirs(platform)),
extra_args=base_linker.extra_args)
yield LLVMCToolchain(CToolchain(working_c_compiler, working_linker))
def select_llvm_c_toolchain(platform, native_toolchain):
provided_clang = yield Get(CCompiler, LLVM, native_toolchain._llvm)
# These arguments are shared across platforms.
llvm_c_compiler_args = [
'-x',
'c',
'-std=c11',
]
if platform.normalized_os_name == 'darwin':
xcode_clang = yield Get(CCompiler, XCodeCLITools,
native_toolchain._xcode_cli_tools)
working_c_compiler = provided_clang.copy(
path_entries=(provided_clang.path_entries +
xcode_clang.path_entries),
library_dirs=(provided_clang.library_dirs +
xcode_clang.library_dirs),
include_dirs=(provided_clang.include_dirs +
xcode_clang.include_dirs),
extra_args=(provided_clang.extra_args + llvm_c_compiler_args +
xcode_clang.extra_args))
else:
gcc_install = yield Get(GCCInstallLocationForLLVM, GCC,
native_toolchain._gcc)
provided_gcc = yield Get(CCompiler, GCC, native_toolchain._gcc)
working_c_compiler = provided_clang.copy(
# We need g++'s version of the GLIBCXX library to be able to run, unfortunately.
library_dirs=(provided_gcc.library_dirs +
provided_clang.library_dirs),
include_dirs=provided_gcc.include_dirs,
extra_args=(llvm_c_compiler_args + provided_clang.extra_args +
gcc_install.as_clang_argv))
llvm_linker_wrapper = yield Get(LLVMLinker, NativeToolchain,
native_toolchain)
llvm_linker = llvm_linker_wrapper.linker
# TODO(#6855): introduce a more concise way to express these compositions of executables.
working_linker = llvm_linker.copy(
path_entries=(llvm_linker.path_entries +
working_c_compiler.path_entries),
exe_filename=working_c_compiler.exe_filename,
library_dirs=(llvm_linker.library_dirs +
working_c_compiler.library_dirs),
)
yield LLVMCToolchain(CToolchain(working_c_compiler, working_linker))
def select_gcc_c_toolchain(platform, native_toolchain):
provided_gcc = yield Get(CCompiler, GCC, native_toolchain._gcc)
# GCC needs an assembler, so we provide that (platform-specific) tool here.
assembler = yield Get(Assembler, NativeToolchain, native_toolchain)
if platform.normalized_os_name == 'darwin':
# GCC needs access to some headers that are only provided by the XCode toolchain
# currently (e.g. "_stdio.h"). These headers are unlikely to change across versions, so this is
# probably safe.
# TODO: we should be providing all of these (so we can eventually phase out XCodeCLITools
# entirely).
xcode_clang = yield Get(CCompiler, XCodeCLITools,
native_toolchain._xcode_cli_tools)
new_include_dirs = xcode_clang.include_dirs + provided_gcc.include_dirs
else:
new_include_dirs = provided_gcc.include_dirs
working_c_compiler = CCompiler(path_entries=(provided_gcc.path_entries +
assembler.path_entries),
exe_filename=provided_gcc.exe_filename,
library_dirs=provided_gcc.library_dirs,
include_dirs=new_include_dirs,
extra_args=['-x', 'c', '-std=c11'])
base_linker_wrapper = yield Get(BaseLinker, NativeToolchain,
native_toolchain)
base_linker = base_linker_wrapper.linker
libc_dev = yield Get(LibcDev, NativeToolchain, native_toolchain)
working_linker = Linker(
path_entries=(working_c_compiler.path_entries +
base_linker.path_entries),
exe_filename=working_c_compiler.exe_filename,
library_dirs=(base_linker.library_dirs +
working_c_compiler.library_dirs),
linking_library_dirs=(base_linker.linking_library_dirs +
libc_dev.get_libc_dirs(platform)),
extra_args=base_linker.extra_args)
yield GCCCToolchain(CToolchain(working_c_compiler, working_linker))
def select_gcc_c_toolchain(platform, native_toolchain):
provided_gcc = yield Get(CCompiler, GCC, native_toolchain._gcc)
# GCC needs an assembler, so we provide that (platform-specific) tool here.
assembler = yield Get(Assembler, NativeToolchain, native_toolchain)
gcc_c_compiler_args = [
'-x',
'c',
'-std=c11',
]
if platform.normalized_os_name == 'darwin':
# GCC needs access to some headers that are only provided by the XCode toolchain
# currently (e.g. "_stdio.h"). These headers are unlikely to change across versions, so this is
# probably safe.
xcode_clang = yield Get(CCompiler, XCodeCLITools,
native_toolchain._xcode_cli_tools)
new_include_dirs = provided_gcc.include_dirs + xcode_clang.include_dirs
else:
new_include_dirs = provided_gcc.include_dirs
working_c_compiler = provided_gcc.copy(
path_entries=(provided_gcc.path_entries + assembler.path_entries),
include_dirs=new_include_dirs,
extra_args=gcc_c_compiler_args)
gcc_linker_wrapper = yield Get(GCCLinker, NativeToolchain,
native_toolchain)
gcc_linker = gcc_linker_wrapper.linker
working_linker = gcc_linker.copy(
path_entries=(working_c_compiler.path_entries +
gcc_linker.path_entries),
exe_filename=working_c_compiler.exe_filename,
library_dirs=(gcc_linker.library_dirs +
working_c_compiler.library_dirs),
)
yield GCCCToolchain(CToolchain(working_c_compiler, working_linker))