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# Copyright 2020 The Pigweed Authors
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
# Do not rely on the PW_ROOT environment variable being set through bootstrap.
# Regardless of whether it's set or not the following include will ensure it is.
include(${CMAKE_CURRENT_LIST_DIR}/../../pw_build/pigweed.cmake)
include($ENV{PW_ROOT}/pw_assert/backend.cmake)
include($ENV{PW_ROOT}/pw_chrono/backend.cmake)
include($ENV{PW_ROOT}/pw_log/backend.cmake)
include($ENV{PW_ROOT}/pw_perf_test/backend.cmake)
include($ENV{PW_ROOT}/pw_rpc/system_server/backend.cmake)
include($ENV{PW_ROOT}/pw_sync/backend.cmake)
include($ENV{PW_ROOT}/pw_sys_io/backend.cmake)
include($ENV{PW_ROOT}/pw_thread/backend.cmake)
include($ENV{PW_ROOT}/pw_trace/backend.cmake)
set(CMAKE_C_COMPILER clang)
set(CMAKE_CXX_COMPILER clang++)
# Configure backend for assert facade.
pw_set_backend(pw_assert.check pw_assert.print_and_abort_check_backend)
pw_set_backend(pw_assert.assert pw_assert.print_and_abort_assert_backend)
# Configure backend for logging facade.
pw_set_backend(pw_log pw_log_basic)
# Configure backends for pw_sync's facades.
pw_set_backend(pw_sync.interrupt_spin_lock pw_sync_stl.interrupt_spin_lock)
pw_set_backend(pw_sync.binary_semaphore pw_sync_stl.binary_semaphore_backend)
pw_set_backend(pw_sync.counting_semaphore
pw_sync_stl.counting_semaphore_backend)
pw_set_backend(pw_sync.mutex pw_sync_stl.mutex_backend)
pw_set_backend(pw_sync.timed_mutex pw_sync_stl.timed_mutex_backend)
pw_set_backend(pw_sync.thread_notification
pw_sync.binary_semaphore_thread_notification_backend)
pw_set_backend(pw_sync.timed_thread_notification
pw_sync.binary_semaphore_timed_thread_notification_backend)
# Configure backend for pw_sys_io facade.
pw_set_backend(pw_sys_io pw_sys_io_stdio)
# Configure backend for pw_rpc_system_server.
pw_set_backend(pw_rpc.system_server targets.host.system_rpc_server)
# TODO(hepler): set config to use global mutex
# Configure backend for pw_chrono's facades.
pw_set_backend(pw_chrono.system_clock pw_chrono_stl.system_clock)
pw_set_backend(pw_chrono.system_timer pw_chrono_stl.system_timer)
# Configure backend for pw_perf_test's facade
pw_set_backend(pw_perf_test.TIMER_INTERFACE_BACKEND pw_perf_test.chrono_timer)
# Configure backends for pw_thread's facades.
pw_set_backend(pw_thread.id pw_thread_stl.id)
pw_set_backend(pw_thread.yield pw_thread_stl.yield)
pw_set_backend(pw_thread.sleep pw_thread_stl.sleep)
pw_set_backend(pw_thread.thread pw_thread_stl.thread)
pw_set_backend(pw_thread.test_thread_context pw_thread_stl.test_thread_context)
# TODO(ewout): Migrate this to match GN's tokenized trace setup.
pw_set_backend(pw_trace pw_trace.null)
if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
# The CIPD provided Clang/LLVM toolchain must link against the matched
# libc++ which is also from CIPD. However, by default, Clang on Mac (but
# not on Linux) will fall back to the system libc++, which is
# incompatible due to an ABI change.
#
# Pull the appropriate paths from our Pigweed env setup.
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -nostdlib++ $ENV{PW_PIGWEED_CIPD_INSTALL_DIR}/lib/libc++.a")
elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
# Use the CIPD provided sysroot to make host builds more hermetic.
set(CMAKE_SYSROOT "$ENV{PW_PIGWEED_CIPD_INSTALL_DIR}/clang_sysroot")
endif()
set(pw_build_WARNINGS
pw_build.strict_warnings
pw_build.extra_strict_warnings
pw_build.pedantic_warnings
CACHE STRING "" FORCE
)
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