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cmake_minimum_required(VERSION 3.15)

project(pixelmatch

VERSION 8.0.0

DESCRIPTION "C++ port of pixelmatch, a pixel-level image comparison library"

LANGUAGES CXX

)

add_library(pixelmatch INTERFACE)

add_library(mapbox::pixelmatch ALIAS pixelmatch)

target_include_directories(pixelmatch INTERFACE

$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>

$<INSTALL_INTERFACE:include>

)

target_compile_features(pixelmatch INTERFACE cxx_std_17)

if(PROJECT_IS_TOP_LEVEL)

enable_testing()

find_package(PNG REQUIRED)

add_executable(test_pixelmatch test/test.cpp)

target_link_libraries(test_pixelmatch PRIVATE pixelmatch PNG::PNG)

target_compile_options(test_pixelmatch PRIVATE -Wall -Wextra -Wshadow)

add_test(NAME pixelmatch

COMMAND test_pixelmatch

WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}

)

add_executable(bench_pixelmatch test/bench.cpp)

target_link_libraries(bench_pixelmatch PRIVATE pixelmatch PNG::PNG)

target_compile_options(bench_pixelmatch PRIVATE -Wall -Wextra -Wshadow)

endif()

include(GNUInstallDirs)

install(DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})