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|
major_version: "local"
minor_version: ""
default_target_cpu: "same_as_host"
toolchain {
abi_version: "armeabi"
abi_libc_version: "armeabi"
builtin_sysroot: ""
compiler: "compiler"
host_system_name: "armeabi"
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
target_libc: "armeabi"
target_cpu: "armeabi"
target_system_name: "armeabi"
toolchain_identifier: "yocto-linux-gnueabihf"
tool_path { name: "ar" path: "%%YOCTO_COMPILER_PATH%%/recipe-sysroot-native/usr/bin/%%CT_NAME%%/%%CT_NAME%%-ar" }
tool_path { name: "compat-ld" path: "/bin/false" }
tool_path { name: "cpp" path: "%%YOCTO_COMPILER_PATH%%/recipe-sysroot-native/usr/bin/%%CT_NAME%%/%%CT_NAME%%-cpp" }
tool_path { name: "dwp" path: "%%YOCTO_COMPILER_PATH%%/recipe-sysroot-native/usr/bin/%%CT_NAME%%/%%CT_NAME%%-dwp" }
tool_path { name: "gcc" path: "%%YOCTO_COMPILER_PATH%%/recipe-sysroot-native/usr/bin/%%CT_NAME%%/%%CT_NAME%%-gcc" }
tool_path { name: "gcov" path: "%%YOCTO_COMPILER_PATH%%/recipe-sysroot-native/usr/bin/%%CT_NAME%%/%%CT_NAME%%-gcov" }
tool_path { name: "ld" path: "%%YOCTO_COMPILER_PATH%%/recipe-sysroot-native/usr/bin/%%CT_NAME%%/%%CT_NAME%%-ld" }
tool_path { name: "nm" path: "%%YOCTO_COMPILER_PATH%%/recipe-sysroot-native/usr/bin/%%CT_NAME%%/%%CT_NAME%%-nm" }
tool_path { name: "objcopy" path: "%%YOCTO_COMPILER_PATH%%/recipe-sysroot-native/usr/bin/%%CT_NAME%%/%%CT_NAME%%-objcopy" }
tool_path { name: "objdump" path: "%%YOCTO_COMPILER_PATH%%/recipe-sysroot-native/usr/bin/%%CT_NAME%%/%%CT_NAME%%-objdump" }
tool_path { name: "strip" path: "%%YOCTO_COMPILER_PATH%%/recipe-sysroot-native/usr/bin/%%CT_NAME%%/%%CT_NAME%%-strip" }
cxx_builtin_include_directory: "%%YOCTO_COMPILER_PATH%%"
compiler_flag: "--sysroot=%%YOCTO_COMPILER_PATH%%/recipe-sysroot"
# The path below must match the one used in
# tensorflow/tools/ci_build/pi/build_raspberry_pi.sh.
cxx_builtin_include_directory: "/tmp/openblas_install/include/"
cxx_flag: "-std=c++11"
# The cxx_builtin_include_directory directives don't seem to be adding these, so
# explicitly set them as flags. There's a query to the Bazel team outstanding about
# why this is necessary.
linker_flag: "-lstdc++"
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\""
unfiltered_cxx_flag: "-no-canonical-prefixes"
unfiltered_cxx_flag: "-fno-canonical-system-headers"
# Include target pyconfig.h
compiler_flag: "-D_PYTHON_INCLUDE_TARGET"
compiler_flag: "-U_FORTIFY_SOURCE"
compiler_flag: "-D_FORTIFY_SOURCE=1"
compiler_flag: "-fstack-protector"
compiler_flag: "-DRASPBERRY_PI" # To differentiate from mobile builds.
linker_flag: "-Wl,-z,relro,-z,now"
linker_flag: "-no-canonical-prefixes"
linker_flag: "-pass-exit-codes"
linker_flag: "-Wl,--build-id=md5"
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
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
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" }
tool_path { name: "gcc" path: "/usr/bin/gcc" }
cxx_flag: "-std=c++0x"
linker_flag: "-lstdc++"
linker_flag: "-B/usr/bin/"
# TODO(bazel-team): In theory, the path here ought to exactly match the path
# used by gcc. That works because bazel currently doesn't track files at
# absolute locations and has no remote execution, yet. However, this will need
# to be fixed, maybe with auto-detection?
cxx_builtin_include_directory: "/usr/lib/gcc/"
cxx_builtin_include_directory: "/usr/local/include"
cxx_builtin_include_directory: "/usr/include"
cxx_builtin_include_directory: "%%YOCTO_COMPILER_PATH%%/recipe-sysroot-native/usr/include"
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"
unfiltered_cxx_flag: "-fno-canonical-system-headers"
# 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"
linker_flag: "-Wl,-z,relro,-z,now"
# Include native pyconfig.h
compiler_flag: "-D_PYTHON_INCLUDE_NATIVE"
# 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"
# 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"
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 }
}
|
