+++ /dev/null
-major_version: "local"
-minor_version: ""
-default_target_cpu: "same_as_host"
-
-default_toolchain {
- cpu: "k8"
- toolchain_identifier: "local_linux"
-}
-default_toolchain {
- cpu: "piii"
- toolchain_identifier: "local_linux"
-}
-default_toolchain {
- cpu: "arm"
- toolchain_identifier: "local_linux"
-}
-default_toolchain {
- cpu: "darwin"
- toolchain_identifier: "local_darwin"
-}
-default_toolchain {
- cpu: "ppc"
- toolchain_identifier: "local_linux"
-}
-
-toolchain {
- abi_version: "local"
- abi_libc_version: "local"
- builtin_sysroot: ""
- compiler: "compiler"
- host_system_name: "local"
- needsPic: true
- supports_gold_linker: false
- supports_incremental_linker: false
- supports_fission: false
- supports_interface_shared_objects: false
- supports_normalizing_ar: false
- supports_start_end_lib: false
- supports_thin_archives: false
- target_libc: "local"
- target_cpu: "local"
- target_system_name: "local"
- toolchain_identifier: "local_linux"
-
- tool_path { name: "ar" path: "/usr/bin/ar" }
- tool_path { name: "compat-ld" path: "/usr/bin/ld" }
- tool_path { name: "cpp" path: "/usr/bin/cpp" }
- tool_path { name: "dwp" path: "/usr/bin/dwp" }
- # As part of the TensorFlow release, we place some cuda-related compilation
- # files in @local_config_cuda//crosstool/clang/bin, and this relative
- # path, combined with the rest of our Bazel configuration causes our
- # compilation to use those files.
- tool_path { name: "gcc" path: "clang/bin/crosstool_wrapper_driver_is_not_gcc" }
- # Use "-std=c++11" for nvcc. For consistency, force both the host compiler
- # and the device compiler to use "-std=c++11".
- cxx_flag: "-std=c++11"
- linker_flag: "-Wl,-no-as-needed"
- linker_flag: "-lstdc++"
- linker_flag: "-B/usr/bin/"
-
-%{host_compiler_includes}
- tool_path { name: "gcov" path: "/usr/bin/gcov" }
-
- # C(++) compiles invoke the compiler (as that is the one knowing where
- # to find libraries), but we provide LD so other rules can invoke the linker.
- tool_path { name: "ld" path: "/usr/bin/ld" }
-
- tool_path { name: "nm" path: "/usr/bin/nm" }
- tool_path { name: "objcopy" path: "/usr/bin/objcopy" }
- objcopy_embed_flag: "-I"
- objcopy_embed_flag: "binary"
- tool_path { name: "objdump" path: "/usr/bin/objdump" }
- tool_path { name: "strip" path: "/usr/bin/strip" }
-
- # Anticipated future default.
- unfiltered_cxx_flag: "-no-canonical-prefixes"
-
- # Make C++ compilation deterministic. Use linkstamping instead of these
- # compiler symbols.
- unfiltered_cxx_flag: "-Wno-builtin-macro-redefined"
- unfiltered_cxx_flag: "-D__DATE__=\"redacted\""
- unfiltered_cxx_flag: "-D__TIMESTAMP__=\"redacted\""
- unfiltered_cxx_flag: "-D__TIME__=\"redacted\""
-
- # Security hardening on by default.
- # Conservative choice; -D_FORTIFY_SOURCE=2 may be unsafe in some cases.
- # We need to undef it before redefining it as some distributions now have
- # it enabled by default.
- compiler_flag: "-U_FORTIFY_SOURCE"
- compiler_flag: "-D_FORTIFY_SOURCE=1"
- compiler_flag: "-fstack-protector"
- compiler_flag: "-fPIE"
- linker_flag: "-pie"
- linker_flag: "-Wl,-z,relro,-z,now"
-
- # Enable coloring even if there's no attached terminal. Bazel removes the
- # escape sequences if --nocolor is specified. This isn't supported by gcc
- # on Ubuntu 14.04.
- # compiler_flag: "-fcolor-diagnostics"
-
- # All warnings are enabled. Maybe enable -Werror as well?
- compiler_flag: "-Wall"
- # Enable a few more warnings that aren't part of -Wall.
- compiler_flag: "-Wunused-but-set-parameter"
- # But disable some that are problematic.
- compiler_flag: "-Wno-free-nonheap-object" # has false positives
-
- # Keep stack frames for debugging, even in opt mode.
- compiler_flag: "-fno-omit-frame-pointer"
-
- # Anticipated future default.
- linker_flag: "-no-canonical-prefixes"
- unfiltered_cxx_flag: "-fno-canonical-system-headers"
- # Have gcc return the exit code from ld.
- linker_flag: "-pass-exit-codes"
- # Stamp the binary with a unique identifier.
- linker_flag: "-Wl,--build-id=md5"
- linker_flag: "-Wl,--hash-style=gnu"
- # Gold linker only? Can we enable this by default?
- # linker_flag: "-Wl,--warn-execstack"
- # linker_flag: "-Wl,--detect-odr-violations"
-
- # Include directory for cuda headers.
-%{cuda_include_path}
-
- compilation_mode_flags {
- mode: DBG
- # Enable debug symbols.
- compiler_flag: "-g"
- }
- compilation_mode_flags {
- mode: OPT
-
- # No debug symbols.
- # Maybe we should enable https://gcc.gnu.org/wiki/DebugFission for opt or
- # even generally? However, that can't happen here, as it requires special
- # handling in Bazel.
- compiler_flag: "-g0"
-
- # Conservative choice for -O
- # -O3 can increase binary size and even slow down the resulting binaries.
- # Profile first and / or use FDO if you need better performance than this.
- compiler_flag: "-O2"
-
- # Disable assertions
- compiler_flag: "-DNDEBUG"
-
- # Removal of unused code and data at link time (can this increase binary size in some cases?).
- compiler_flag: "-ffunction-sections"
- compiler_flag: "-fdata-sections"
- linker_flag: "-Wl,--gc-sections"
- }
- linking_mode_flags { mode: DYNAMIC }
-}
-
-toolchain {
- abi_version: "local"
- abi_libc_version: "local"
- builtin_sysroot: ""
- compiler: "compiler"
- host_system_name: "local"
- needsPic: true
- target_libc: "macosx"
- target_cpu: "darwin"
- target_system_name: "local"
- toolchain_identifier: "local_darwin"
-
- tool_path { name: "ar" path: "/usr/bin/libtool" }
- tool_path { name: "compat-ld" path: "/usr/bin/ld" }
- tool_path { name: "cpp" path: "/usr/bin/cpp" }
- tool_path { name: "dwp" path: "/usr/bin/dwp" }
- tool_path { name: "gcc" path: "clang/bin/crosstool_wrapper_driver_is_not_gcc" }
- cxx_flag: "-std=c++11"
- ar_flag: "-static"
- ar_flag: "-s"
- ar_flag: "-o"
- linker_flag: "-lc++"
- linker_flag: "-undefined"
- linker_flag: "dynamic_lookup"
- # TODO(ulfjack): This is wrong on so many levels. Figure out a way to auto-detect the proper
- # setting from the local compiler, and also how to make incremental builds correct.
- cxx_builtin_include_directory: "/"
- tool_path { name: "gcov" path: "/usr/bin/gcov" }
- tool_path { name: "ld" path: "/usr/bin/ld" }
- tool_path { name: "nm" path: "/usr/bin/nm" }
- tool_path { name: "objcopy" path: "/usr/bin/objcopy" }
- objcopy_embed_flag: "-I"
- objcopy_embed_flag: "binary"
- tool_path { name: "objdump" path: "/usr/bin/objdump" }
- tool_path { name: "strip" path: "/usr/bin/strip" }
-
- # Anticipated future default.
- unfiltered_cxx_flag: "-no-canonical-prefixes"
- # Make C++ compilation deterministic. Use linkstamping instead of these
- # compiler symbols.
- unfiltered_cxx_flag: "-Wno-builtin-macro-redefined"
- unfiltered_cxx_flag: "-D__DATE__=\"redacted\""
- unfiltered_cxx_flag: "-D__TIMESTAMP__=\"redacted\""
- unfiltered_cxx_flag: "-D__TIME__=\"redacted\""
-
- # Security hardening on by default.
- # Conservative choice; -D_FORTIFY_SOURCE=2 may be unsafe in some cases.
- compiler_flag: "-D_FORTIFY_SOURCE=1"
- compiler_flag: "-fstack-protector"
-
- # Enable coloring even if there's no attached terminal. Bazel removes the
- # escape sequences if --nocolor is specified.
- compiler_flag: "-fcolor-diagnostics"
-
- # All warnings are enabled. Maybe enable -Werror as well?
- compiler_flag: "-Wall"
- # Enable a few more warnings that aren't part of -Wall.
- compiler_flag: "-Wthread-safety"
- compiler_flag: "-Wself-assign"
-
- # Keep stack frames for debugging, even in opt mode.
- compiler_flag: "-fno-omit-frame-pointer"
-
- # Anticipated future default.
- linker_flag: "-no-canonical-prefixes"
-
- # Include directory for cuda headers.
-%{cuda_include_path}
-
- compilation_mode_flags {
- mode: DBG
- # Enable debug symbols.
- compiler_flag: "-g"
- }
- compilation_mode_flags {
- mode: OPT
- # No debug symbols.
- # Maybe we should enable https://gcc.gnu.org/wiki/DebugFission for opt or even generally?
- # However, that can't happen here, as it requires special handling in Bazel.
- compiler_flag: "-g0"
-
- # Conservative choice for -O
- # -O3 can increase binary size and even slow down the resulting binaries.
- # Profile first and / or use FDO if you need better performance than this.
- compiler_flag: "-O2"
-
- # Disable assertions
- compiler_flag: "-DNDEBUG"
-
- # Removal of unused code and data at link time (can this increase binary size in some cases?).
- compiler_flag: "-ffunction-sections"
- compiler_flag: "-fdata-sections"
- }
-}
cc_fullpath = cc if not should_download_clang else "crosstool/" + cc
host_compiler_includes = _host_compiler_includes(repository_ctx, cc_fullpath)
- cuda_defines = {
- "%{cuda_include_path}": _cuda_include_path(repository_ctx,
- cuda_config),
- "%{host_compiler_includes}": host_compiler_includes,
- }
+ cuda_defines = {}
if is_cuda_clang:
- cuda_defines["%{clang_path}"] = cc
+ cuda_defines["%{host_compiler_path}"] = str(cc)
+ cuda_defines["%{host_compiler_warnings}"] = """
+ # Some parts of the codebase set -Werror and hit this warning, so
+ # switch it off for now.
+ flag: "-Wno-invalid-partial-specialization"
+ """
+ cuda_defines["%{host_compiler_includes}"] = host_compiler_includes
_tpl(repository_ctx, "crosstool:BUILD", {"%{linker_files}": ":empty"})
- _tpl(repository_ctx, "crosstool:CROSSTOOL_clang", cuda_defines, out="crosstool/CROSSTOOL")
repository_ctx.file("crosstool/clang/bin/crosstool_wrapper_driver_is_not_gcc", "")
else:
+ cuda_defines["%{host_compiler_path}"] = "clang/bin/crosstool_wrapper_driver_is_not_gcc"
+ cuda_defines["%{host_compiler_warnings}"] = ""
+ # TODO(klimek): We currently need to inject "/" as builtin directory path
+ # to disable bazel's dependency checks.
+ # The problem is that:
+ # - the python rules symlink the python headers into the bazel root
+ # - the rules use 'includes' in the BUILD file to redirect includes of the
+ # python headers through those paths
+ # - bazel currently uses -isystem for include paths specified via 'includes'
+ # - gcc follows symlinks when resolving files via -isystem paths, and puts
+ # the resolved paths into the .d file, which makes the dependency check
+ # fail for bazel
+ # There are multiple possible ways to solve this:
+ # 1. make bazel not use -isystem for paths specified via 'includes'
+ # 2. cp the headers instead of symlinking them
+ #
+ # Once this is fixed, the right builtin directory path is:
+ # (host_compiler_includes +
+ # "\n cxx_builtin_include_directory: \"%s\"" % cuda_include_path)
+ # The cuda directory needs to be passed, as there is currently no rule
+ # providing the cuda headers in the same way the python headers are
+ # provided.
+ cuda_defines["%{host_compiler_includes}"] = "\n cxx_builtin_include_directory: \"/\""
nvcc_path = str(repository_ctx.path("%s/bin/nvcc%s" %
(cuda_config.cuda_toolkit_path,
".exe" if cuda_config.cpu_value == "Windows" else "")))
_tpl(repository_ctx, "crosstool:BUILD",
{"%{linker_files}": ":crosstool_wrapper_driver_is_not_gcc"})
- _tpl(repository_ctx, "crosstool:CROSSTOOL_nvcc", cuda_defines, out="crosstool/CROSSTOOL")
_tpl(repository_ctx,
"crosstool:clang/bin/crosstool_wrapper_driver_is_not_gcc",
{
"%{cuda_compute_capabilities}": ", ".join(
["\"%s\"" % c for c in cuda_config.compute_capabilities]),
})
+ _tpl(repository_ctx, "crosstool:CROSSTOOL", cuda_defines, out="crosstool/CROSSTOOL")
# Set up cuda_config.h, which is used by
# tensorflow/stream_executor/dso_loader.cc.
projects / platform / upstream / tensorflow.git / commitdiff