2022-06-10 19:23:39 +08:00
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# Copyright 2020 Google LLC
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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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# https://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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2023-05-11 22:50:03 +08:00
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cmake_minimum_required(VERSION 3.13..3.26)
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2022-06-10 19:23:39 +08:00
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project(lodepng_sapi C CXX)
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include(CTest)
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include(GoogleTest)
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD_REQUIRED 17)
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if(NOT TARGET sapi::sapi)
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set(SAPI_ROOT "../.." CACHE PATH "Path to the Sandboxed API source tree")
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add_subdirectory("${SAPI_ROOT}"
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"${CMAKE_BINARY_DIR}/sandboxed-api-build"
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EXCLUDE_FROM_ALL)
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endif()
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FetchContent_Declare(lodepng
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GIT_REPOSITORY https://github.com/lvandeve/lodepng.git
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GIT_TAG 3d9fda048393e32cc11d0c3d3caba0a85c1c2dfe # 2022-05-22
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)
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FetchContent_MakeAvailable(lodepng)
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# lodepng can be compiled as both C++ and C. We want the latter, so enforce
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# C as the language. set_source_files_properties() does not work here.
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configure_file(lodepng.gen.h.in
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"${lodepng_BINARY_DIR}/lodepng.gen.h")
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configure_file("${lodepng_SOURCE_DIR}/lodepng.cpp"
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"${lodepng_BINARY_DIR}/lodepng.c" COPYONLY)
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# Build static library
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add_library(lodepng STATIC
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"${lodepng_BINARY_DIR}/lodepng.c"
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"${lodepng_BINARY_DIR}/lodepng.gen.h"
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"${lodepng_SOURCE_DIR}/lodepng.h"
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)
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target_include_directories(lodepng PUBLIC
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"${lodepng_BINARY_DIR}"
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"${lodepng_SOURCE_DIR}"
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)
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target_compile_definitions(lodepng PUBLIC
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LODEPNG_NO_COMPILE_CPP
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)
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# Build SAPI library
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add_sapi_library(lodepng_sapi
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FUNCTIONS lodepng_decode_memory
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lodepng_decode32
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lodepng_decode24
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lodepng_decode_file
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lodepng_decode32_file
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lodepng_decode24_file
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lodepng_encode_memory
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lodepng_encode32
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lodepng_encode24
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lodepng_encode_file
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lodepng_encode32_file
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lodepng_encode24_file
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lodepng_save_file
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lodepng_load_file
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INPUTS "${lodepng_BINARY_DIR}/lodepng.gen.h"
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LIBRARY lodepng
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LIBRARY_NAME Lodepng
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NAMESPACE ""
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)
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add_library(sapi_contrib::lodepng ALIAS lodepng_sapi)
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target_include_directories(lodepng_sapi INTERFACE
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"${PROJECT_BINARY_DIR}" # To find the generated SAPI header
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)
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# Examples and tests
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add_subdirectory(examples)
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