.bazelrc

# Disable bzlmod - rules_python is not yet compatible.
#
# In particular, without this, building the pybind_extension
# will complain that it can't resolve a toolchain in
# @@rules_python//python/cc:current_py_cc_libs.
common --noenable_bzlmod

# Disable automatic creation of empty __init__.py files.
# https://github.com/bazelbuild/bazel/issues/7386#issuecomment-1806973756
common --incompatible_default_to_explicit_init_py

# Automatically picks up host-specific configs:
# Linux -> build:linux
# MacOS -> build:macos
# Windows -> build:windows
# https://bazel.build/reference/command-line-reference#flag--enable_platform_specific_config
common --enable_platform_specific_config

# Common build flags for pybind_abseil.
build --cxxopt="-D PYBIND11_ABSEIL_STATUS_MODULE_PATH=pybind11_abseil.pybind11_abseil.status" --host_cxxopt="-D PYBIND11_ABSEIL_STATUS_MODULE_PATH=pybind11_abseil.pybind11_abseil.status"

# Use C++20 on MacOS and Linux. It should be well supported by now.
# C++17 should work.
# Windows is not tested.

# MacOS.
build:macos --cxxopt=-std=c++20 --host_cxxopt=-std=c++20

# Linux.
build:linux --cxxopt=-std=c++20 --host_cxxopt=-std=c++20
# Enable position independent code (this is the default on macOS and Windows)
# (Workaround for https://github.com/bazelbuild/rules_foreign_cc/issues/421)
build:linux --copt=-fdebug-types-section
build:linux --copt=-fPIC
build:linux --copt=-Wno-deprecated-declarations
build:linux --cxxopt=-fsized-deallocation --host_cxxopt=-fsized-deallocation
build:linux --conlyopt=-fexceptions
build:linux --fission=dbg,opt
build:linux --features=per_object_debug_info