[lodepng] init port

ports/lodepng/CMakeLists.txt

@@ -0,0 +1,41 @@
+cmake_minimum_required(VERSION 3.8.0)
+project(lodepng)
+
+if(MSVC)
+  add_compile_options(/W3 /wd4005 /wd4996 /wd4018 -D_CRT_SECURE_NO_WARNINGS)
+endif()
+
+if(BUILD_SHARED_LIBS)
+  set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
+endif()
+
+
+include_directories(".")
+
+add_library(lodepng  lodepng.cpp lodepng_util.cpp)
+
+add_executable(pngdetail pngdetail.cpp)
+
+target_link_libraries(pngdetail lodepng)
+
+install(
+  TARGETS lodepng
+  RUNTIME DESTINATION bin
+  LIBRARY DESTINATION lib
+  ARCHIVE DESTINATION lib
+)
+
+if(NOT DISABLE_INSTALL_TOOLS)
+  install (
+    TARGETS pngdetail
+    RUNTIME DESTINATION tools/lodepng
+  )
+endif()
+
+if(NOT DDISABLE_INSTALL_EXAMPLES)
+  install(DIRECTORY examples  DESTINATION share/lodepng/)
+endif()
+
+if(NOT DISABLE_INSTALL_HEADERS)
+  install(FILES lodepng.h lodepng_util.h  DESTINATION include)
+endif()

ports/lodepng/CONTROL

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+Source: lodepng
+Version: 2017-09-01-8a0f16afe74a6a
+Description: PNG encoder and decoder in C and C++

ports/lodepng/portfile.cmake

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+include(vcpkg_common_functions)
+
+vcpkg_from_github(
+  OUT_SOURCE_PATH SOURCE_PATH
+  REPO lvandeve/lodepng
+  REF 8a0f16afe74a6abf85e3b45e9558283022021a59
+  SHA512 189dde0a0982822b6dfc3f886d8035338ed200958eed8394c5c64aa97ddcf758b3989beae14ce8f26a78efa9fb4b94932bb02b41cacd62bd62a46ebf9b324def
+  HEAD_REF master
+)
+
+file(COPY ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt DESTINATION ${SOURCE_PATH})
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    PREFER_NINJA
+    OPTIONS_DEBUG
+    -DDISABLE_INSTALL_HEADERS=ON
+    -DDISABLE_INSTALL_TOOLS=ON
+    -DDDISABLE_INSTALL_EXAMPLES=ON
+)
+
+vcpkg_install_cmake()
+vcpkg_copy_pdbs()
+
+vcpkg_copy_tool_dependencies(${CURRENT_PACKAGES_DIR}/tools/lodepng)
+
+
+file(INSTALL ${SOURCE_PATH}/lodepng.h DESTINATION ${CURRENT_PACKAGES_DIR}/share/lodepng RENAME copyright)