142 lines
5.1 KiB
CMake
142 lines
5.1 KiB
CMake
# Copyright 2020 The Shaderc Authors. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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if(NOT COMMAND find_host_package)
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macro(find_host_package)
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find_package(${ARGN})
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endmacro()
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endif()
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if(NOT COMMAND find_host_program)
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macro(find_host_program)
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find_program(${ARGN})
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endmacro()
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endif()
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# Find asciidoctor; see shaderc_add_asciidoc() from utils.cmake for
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# adding documents.
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#find_program(ASCIIDOCTOR_EXE NAMES asciidoctor)
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#if (NOT ASCIIDOCTOR_EXE)
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# message(STATUS "asciidoctor was not found - no documentation will be"
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# " generated")
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#endif()
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# On Windows, CMake by default compiles with the shared CRT.
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# Ensure that gmock compiles the same, otherwise failures will occur.
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if(WIN32)
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# TODO(awoloszyn): Once we support selecting CRT versions,
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# make sure this matches correctly.
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set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
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endif(WIN32)
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if (ANDROID)
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# For android let's preemptively find the correct packages so that
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# child projects (glslang, googletest) do not fail to find them.
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# Tests in glslc and SPIRV-Tools tests require Python 3, or a Python 2
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# with the "future" package. Require Python 3 because we can't force
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# developers to manually install the "future" package.
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find_host_package(PythonInterp 3 REQUIRED)
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find_host_package(BISON)
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else()
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find_package(PythonInterp 3 REQUIRED)
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endif()
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option(ENABLE_CODE_COVERAGE "Enable collecting code coverage." OFF)
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if (ENABLE_CODE_COVERAGE)
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message(STATUS "Shaderc: code coverage report is on.")
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if (NOT UNIX)
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message(FATAL_ERROR "Code coverage on non-UNIX system not supported yet.")
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endif()
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if (NOT "${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
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message(FATAL_ERROR "Code coverage with non-Debug build can be misleading.")
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endif()
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find_program(LCOV_EXE NAMES lcov)
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if (NOT LCOV_EXE)
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message(FATAL_ERROR "lcov was not found")
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endif()
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find_program(GENHTML_EXE NAMES genhtml)
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if (NOT GENHTML_EXE)
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message(FATAL_ERROR "genhtml was not found")
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endif()
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set(LCOV_BASE_DIR ${CMAKE_BINARY_DIR})
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set(LCOV_INFO_FILE ${LCOV_BASE_DIR}/lcov.info)
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set(COVERAGE_STAT_HTML_DIR ${LCOV_BASE_DIR}/coverage-report)
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add_custom_target(clean-coverage
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# Remove all gcov .gcda files in the directory recursively.
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COMMAND ${LCOV_EXE} --directory . --zerocounters -q
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# Remove all lcov .info files.
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COMMAND ${CMAKE_COMMAND} -E remove ${LCOV_INFO_FILE}
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# Remove all html report files.
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COMMAND ${CMAKE_COMMAND} -E remove_directory ${COVERAGE_STAT_HTML_DIR}
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# TODO(antiagainst): the following two commands are here to remedy the
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# problem of "reached unexpected end of file" experienced by lcov.
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# The symptom is that some .gcno files are wrong after code change and
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# recompiling. We don't know the exact reason yet. Figure it out.
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# Remove all .gcno files in the directory recursively.
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COMMAND ${PYTHON_EXECUTABLE}
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${shaderc_SOURCE_DIR}/utils/remove-file-by-suffix.py . ".gcno"
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# .gcno files are not tracked by CMake. So no recompiling is triggered
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# even if they are missing. Unfortunately, we just removed all of them
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# in the above.
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COMMAND ${CMAKE_COMMAND} --build . --target clean
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WORKING_DIRECTORY ${LCOV_BASE_DIR}
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COMMENT "Clean coverage files"
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)
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add_custom_target(report-coverage
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COMMAND ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR}
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# Run all tests.
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COMMAND ctest --output-on-failure
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# Collect coverage data from gcov .gcda files.
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COMMAND ${LCOV_EXE} --directory . --capture -o ${LCOV_INFO_FILE}
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# Remove coverage info for system header files.
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COMMAND ${LCOV_EXE}
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--remove ${LCOV_INFO_FILE} '/usr/include/*' -o ${LCOV_INFO_FILE}
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# Remove coverage info for external and third_party code.
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COMMAND ${LCOV_EXE}
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--remove ${LCOV_INFO_FILE} '${shaderc_SOURCE_DIR}/ext/*'
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-o ${LCOV_INFO_FILE}
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COMMAND ${LCOV_EXE}
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--remove ${LCOV_INFO_FILE} '${shaderc_SOURCE_DIR}/third_party/*'
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-o ${LCOV_INFO_FILE}
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# Remove coverage info for tests.
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COMMAND ${LCOV_EXE}
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--remove ${LCOV_INFO_FILE} '*_test.cc' -o ${LCOV_INFO_FILE}
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# Generate html report file.
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COMMAND ${GENHTML_EXE}
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${LCOV_INFO_FILE} -t "Coverage Report" -o ${COVERAGE_STAT_HTML_DIR}
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DEPENDS clean-coverage
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WORKING_DIRECTORY ${LCOV_BASE_DIR}
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COMMENT "Collect and analyze coverage data"
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)
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endif()
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option(DISABLE_RTTI "Disable RTTI in builds")
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if(DISABLE_RTTI)
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if(UNIX)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti")
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endif(UNIX)
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endif(DISABLE_RTTI)
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option(DISABLE_EXCEPTIONS "Disables exceptions in builds")
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if(DISABLE_EXCEPTIONS)
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if(UNIX)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions")
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endif(UNIX)
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endif(DISABLE_EXCEPTIONS)
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