path: root/tools/cpp/CROSSTOOL

major_version: "local"
minor_version: ""
default_target_cpu: "same_as_host"

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default_toolchain {
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default_toolchain {
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  # 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?
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  # Make C++ compilation deterministic. Use linkstamping instead of these
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  # Security hardening on by default.
  # Conservative choice; -D_FORTIFY_SOURCE=2 may be unsafe in some cases.
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  compiler_flag: "-fstack-protector"
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  # 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.
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  # Anticipated future default.
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  linker_flag: "-Wl,--hash-style=gnu"
  # Gold linker only? Can we enable this by default?
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  # linker_flag: "-Wl,--detect-odr-violations"

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    # Enable debug symbols.
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    # 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"
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}

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  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" }
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  ar_flag: "-s"
  ar_flag: "-o"
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  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
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  # Make C++ compilation deterministic. Use linkstamping instead of these
  # compiler symbols.
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  unfiltered_cxx_flag: "-D__TIMESTAMP__=\"redacted\""
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  # Security hardening on by default.
  # Conservative choice; -D_FORTIFY_SOURCE=2 may be unsafe in some cases.
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  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"

  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"
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  abi_libc_version: "local"
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  compiler: "compiler"
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  supports_incremental_linker: false
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  supports_interface_shared_objects: false
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  supports_thin_archives: false
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  # 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?
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  cxx_builtin_include_directory: "/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" }
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  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"
  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"
  # 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"
  }
}

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  compiler: "windows_mingw"
  host_system_name: "local"
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  target_libc: "local"
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  # 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
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  # to be fixed, maybe with auto-detection?
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  tool_path { name: "ld" path: "C:/mingw/bin/ld" }
  tool_path { name: "nm" path: "C:/mingw/bin/nm" }
  tool_path { name: "objcopy" path: "C:/mingw/bin/objcopy" }
  objcopy_embed_flag: "-I"
  objcopy_embed_flag: "binary"
  tool_path { name: "objdump" path: "C:/mingw/bin/objdump" }
  tool_path { name: "strip" path: "C:/mingw/bin/strip" }
}

toolchain {
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  abi_libc_version: "local"
  builtin_sysroot: ""
  compiler: "windows_msys64_mingw64"
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  target_libc: "local"
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  target_system_name: "local"
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  tool_path { name: "gcc" path: "C:/msys64/mingw64/bin/gcc" }
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  # 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?
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  objcopy_embed_flag: "binary"
  tool_path { name: "objdump" path: "C:/msys64/mingw64/bin/objdump" }
  tool_path { name: "strip" path: "C:/msys64/mingw64/bin/strip" }
}

toolchain {
  abi_version: "local"
  abi_libc_version: "local"
  builtin_sysroot: ""
  compiler: "windows_clang"
  host_system_name: "local"
  needsPic: false
  target_libc: "local"
  target_cpu: "k8"
  target_system_name: "local"
  toolchain_identifier: "local_windows_clang"

  tool_path { name: "ar" path: "C:/mingw/bin/ar" }
  tool_path { name: "compat-ld" path: "C:/Program Files (x86)/LLVM/bin/ld" }
  tool_path { name: "cpp" path: "C:/Program Files (x86)/LLVM/bin/cpp" }
  tool_path { name: "dwp" path: "C:/Program Files (x86)/LLVM/bin/dwp" }
  tool_path { name: "gcc" path: "C:/Program Files (x86)/LLVM/bin/clang" }
  cxx_flag: "-std=c++0x"
  # 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"
  tool_path { name: "gcov" path: "C:/Program Files (x86)/LLVM/bin/gcov" }
  tool_path { name: "ld" path: "C:/Program Files (x86)/LLVM/bin/ld" }
  tool_path { name: "nm" path: "C:/Program Files (x86)/LLVM/bin/nm" }
  tool_path { name: "objcopy" path: "C:/Program Files (x86)/LLVM/bin/objcopy" }
  objcopy_embed_flag: "-I"
  objcopy_embed_flag: "binary"
  tool_path { name: "objdump" path: "C:/Program Files (x86)/LLVM/bin/objdump" }
  tool_path { name: "strip" path: "C:/Program Files (x86)/LLVM/bin/strip" }
}