.bazelrc

# Enable using platform specific build settings
build --enable_platform_specific_config

# Workaround for building with Redhat devtoolset-9
# https://github.com/google/tensorstore/issues/2
build --incompatible_linkopts_to_linklibs

# Ensure the cache is not invalidated by changes to $PATH
build --incompatible_strict_action_env=true

# Use platforms to select toolchains (https://github.com/bazelbuild/bazel/issues/7260)
build --incompatible_enable_cc_toolchain_resolution

# Specify platform mapping to ensure "platforms" and --cpu flags are
# in sync.
build --platform_mappings=tools/bazel_platforms/platform_mappings

# Use absl with googletest
build --define=absl=1

# Configure C++17 mode
build:linux --copt=-fdiagnostics-color=always --cxxopt=-std=c++17 --cxxopt=-fsized-deallocation
build:macos --copt=-fdiagnostics-color=always --cxxopt=-std=c++17 --cxxopt=-fsized-deallocation
build:freebsd --copt=-fdiagnostics-color=always --cxxopt=-std=c++17 --cxxopt=-fsized-deallocation
build:windows --cxxopt=/std:c++17

# disable deprecated-declarations warnings
build:linux --copt='-Wno-deprecated-declarations'
build:macos --copt='-Wno-deprecated-declarations'
build:freebsd --copt='-Wno-deprecated-declarations'

# disable mixed sign comparison warnings
build:linux --copt='-Wno-sign-compare'
build:macos --copt='-Wno-sign-compare'
build:freebsd --copt='-Wno-sign-compare'

# disable spurious warnings from gcc
build:linux --copt='-Wno-unused-but-set-parameter'
build:linux --copt='-Wno-maybe-uninitialized'

# disable warnings from clang about unknown warnings
build:linux --copt='-Wno-unknown-warning-option'

# Windows 10 RS1 required for rename/delete with POSIX semantics
build:windows --copt=-D_WIN32_WINNT=0x0A000002

# Workaround for https://github.com/abseil/abseil-cpp/issues/848
# Root cause: https://github.com/bazelbuild/bazel/issues/4341
build:macos --features=-supports_dynamic_linker

# Significantly speeds up Python test execution.  Requires Windows
# developer mode enabled in order for non-admin users to create
# symlinks.
startup --windows_enable_symlinks
build:windows --enable_runfiles=true --build_python_zip=false

# Disable warning regarding `msvc::no_unique_address`
build:windows --copt=/wd4848

# Make MSVC conform to the C++ standard regarding hidden friends
build:windows --copt=/Zc:hiddenFriend