dawn-cmake/generator/CMakeLists.txt

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CMake
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# Copyright 2017 The Dawn 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
#
# http://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.
find_package(PythonInterp REQUIRED)
include(CMakeParseArguments)
# Check for Jinja2
message(STATUS "${PYTHON_EXECUTABLE}")
execute_process(
COMMAND ${PYTHON_EXECUTABLE} -c "import jinja2"
RESULT_VARIABLE RET
)
if (NOT RET EQUAL 0)
message(FATAL_ERROR "Missing dependencies for code generation, please ensure you have python-jinja2 installed.")
endif()
function(Generate)
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set(oneValueArgs LIB_NAME LIB_TYPE PRINT_NAME EXECUTABLE FOLDER)
set(multiValueArgs COMMAND_LINE_ARGS EXTRA_DEPS EXTRA_SOURCES)
cmake_parse_arguments(G "" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
execute_process(
COMMAND ${G_COMMAND_LINE_ARGS} --print-dependencies
OUTPUT_VARIABLE DEPENDENCIES
RESULT_VARIABLE RET
)
if (NOT RET EQUAL 0)
message(STATUS ${RET})
message(FATAL_ERROR "Failed to get the dependencies for ${G_PRINT_NAME}.")
endif()
execute_process(
COMMAND ${G_COMMAND_LINE_ARGS} --print-outputs
OUTPUT_VARIABLE OUTPUTS
RESULT_VARIABLE RET
)
if (NOT RET EQUAL 0)
message(FATAL_ERROR "Failed to get the outputs for ${G_PRINT_NAME}.")
endif()
add_custom_command(
COMMAND ${G_COMMAND_LINE_ARGS}
DEPENDS ${DEPENDENCIES} ${G_EXTRA_DEPS}
OUTPUT ${OUTPUTS}
COMMENT "Generating files for ${G_PRINT_NAME}."
)
add_library(${G_LIB_NAME} ${G_LIB_TYPE}
${G_EXTRA_SOURCES}
${OUTPUTS}
)
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DawnInternalTarget("${G_FOLDER}" ${G_LIB_NAME})
set_property(TARGET ${G_LIB_NAME} APPEND PROPERTY COMPILE_OPTIONS ${DAWN_GENERATED_FLAGS})
endfunction()
set(GENERATED_DIR ${CMAKE_CURRENT_BINARY_DIR} PARENT_SCOPE)
set(GENERATOR_COMMON_ARGS
${PYTHON_EXECUTABLE}
${CMAKE_CURRENT_SOURCE_DIR}/main.py
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${PROJECT_SOURCE_DIR}/dawn.json
-t ${CMAKE_CURRENT_SOURCE_DIR}/templates
-o ${CMAKE_CURRENT_BINARY_DIR}
PARENT_SCOPE
)