sandboxed-api/contrib/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
#
# 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.
cmake_minimum_required(VERSION 3.13..3.26)
project(lodepng_sapi C CXX)
include(CTest)
include(GoogleTest)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED 17)
if(NOT TARGET sapi::sapi)
set(SAPI_ROOT "../.." CACHE PATH "Path to the Sandboxed API source tree")
add_subdirectory("${SAPI_ROOT}"
"${CMAKE_BINARY_DIR}/sandboxed-api-build"
EXCLUDE_FROM_ALL)
endif()
FetchContent_Declare(lodepng
GIT_REPOSITORY https://github.com/lvandeve/lodepng.git
GIT_TAG 3d9fda048393e32cc11d0c3d3caba0a85c1c2dfe # 2022-05-22
)
FetchContent_MakeAvailable(lodepng)
# lodepng can be compiled as both C++ and C. We want the latter, so enforce
# C as the language. set_source_files_properties() does not work here.
configure_file(lodepng.gen.h.in
"${lodepng_BINARY_DIR}/lodepng.gen.h")
configure_file("${lodepng_SOURCE_DIR}/lodepng.cpp"
"${lodepng_BINARY_DIR}/lodepng.c" COPYONLY)
# Build static library
add_library(lodepng STATIC
"${lodepng_BINARY_DIR}/lodepng.c"
"${lodepng_BINARY_DIR}/lodepng.gen.h"
"${lodepng_SOURCE_DIR}/lodepng.h"
)
target_include_directories(lodepng PUBLIC
"${lodepng_BINARY_DIR}"
"${lodepng_SOURCE_DIR}"
)
target_compile_definitions(lodepng PUBLIC
LODEPNG_NO_COMPILE_CPP
)
# Build SAPI library
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 "${lodepng_BINARY_DIR}/lodepng.gen.h"
LIBRARY lodepng
LIBRARY_NAME Lodepng
NAMESPACE ""
)
add_library(sapi_contrib::lodepng ALIAS lodepng_sapi)
target_include_directories(lodepng_sapi INTERFACE
"${PROJECT_BINARY_DIR}" # To find the generated SAPI header
)
# Examples and tests
add_subdirectory(examples)