sandboxed-api/oss-internship-2020/lodepng/CMakeLists.txt

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# Copyright 2020 Google LLC
#
# 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.
cmake_minimum_required(VERSION 3.16)
project(lodepng_sapi CXX)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED 17)
# Apply the patches to the header file.
add_custom_command(
OUTPUT "${PROJECT_BINARY_DIR}/lodepng/lodepng.h" "${PROJECT_BINARY_DIR}/lodepng/lodepng.cpp"
COMMENT "Applying patch to header file."
COMMAND cp -r "${PROJECT_SOURCE_DIR}/lodepng" "${PROJECT_BINARY_DIR}/"
COMMAND cp "${PROJECT_SOURCE_DIR}/patches/header.patch" "${PROJECT_BINARY_DIR}/lodepng/"
COMMAND cd "${PROJECT_BINARY_DIR}/lodepng" && patch < header.patch
)
# Build static library.
add_library(lodepng STATIC
"${PROJECT_BINARY_DIR}/lodepng/lodepng.cpp"
"${PROJECT_BINARY_DIR}/lodepng/lodepng.h"
)
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target_include_directories(lodepng PUBLIC "${PROJECT_BINARY_DIR}/lodepng")
# Build SAPI library
set(SAPI_ROOT "" CACHE PATH "Path to the Sandboxed API source tree")
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add_subdirectory("${SAPI_ROOT}"
"${CMAKE_BINARY_DIR}/sandboxed-api-build"
EXCLUDE_FROM_ALL
)
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add_sapi_library(
lodepng_sapi
FUNCTIONS
lodepng_decode_memory
lodepng_decode32
lodepng_decode24
lodepng_decode_file
lodepng_decode32_file
lodepng_decode24_file
lodepng_encode_memory
lodepng_encode32
lodepng_encode24
lodepng_encode_file
lodepng_encode32_file
lodepng_encode24_file
lodepng_save_file
lodepng_load_file
INPUTS "${PROJECT_BINARY_DIR}/lodepng/lodepng.h"
LIBRARY lodepng
LIBRARY_NAME Lodepng
NAMESPACE ""
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)
target_include_directories(lodepng_sapi INTERFACE
"${PROJECT_BINARY_DIR}" # To find the generated SAPI header
)
add_subdirectory(examples)