Merge pull request #2503 from procxx/add_cimg

[cimg] initial port

ports/cimg/CMakeLists.txt

@@ -0,0 +1,21 @@
+CMAKE_MINIMUM_REQUIRED(VERSION 3.9)
+project(CImg)
+
+add_library(${PROJECT_NAME} INTERFACE)
+
+target_include_directories(${PROJECT_NAME} INTERFACE
+    $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}>
+    $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
+)
+
+install(TARGETS ${PROJECT_NAME}
+    EXPORT CImgExport
+    INCLUDES DESTINATION include
+)
+
+install(EXPORT CImgExport FILE ${PROJECT_NAME}Config.cmake NAMESPACE ${PROJECT_NAME}:: DESTINATION share/cimg)
+
+install(
+    FILES ${CMAKE_CURRENT_SOURCE_DIR}/CImg.h
+    DESTINATION include
+)

ports/cimg/CONTROL

@@ -0,0 +1,3 @@
+Source: cimg
+Version: 2.1.8
+Description: The CImg Library is a small, open-source, and modern C++ toolkit for image processing

ports/cimg/portfile.cmake

@@ -0,0 +1,23 @@
+include(vcpkg_common_functions)
+
+vcpkg_from_github(OUT_SOURCE_PATH SOURCE_PATH
+    REPO "dtschump/CImg"
+    REF "v.218"
+    HEAD_REF master
+    SHA512 aa6267c9b425cb82aa3aeadea9f7c1ffdd975d01b4f64b8cd905ce11cf062ae22eea9b519c681f0fef239615a621dd3cae2a67e04e6cac96425776a4ac176a23)
+
+file(COPY ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt DESTINATION ${SOURCE_PATH})
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    PREFER_NINJA
+)
+
+vcpkg_install_cmake()
+
+# Move cmake files, ensuring they will be 3 directories up the import prefix
+file(MAKE_DIRECTORY ${CURRENT_PACKAGES_DIR}/share/cimg)
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug)
+
+file(INSTALL ${SOURCE_PATH}/Licence_CeCILL-C_V1-en.txt DESTINATION ${CURRENT_PACKAGES_DIR}/share/cimg RENAME copyright)
+file(INSTALL ${SOURCE_PATH}/Licence_CeCILL_V2-en.txt DESTINATION ${CURRENT_PACKAGES_DIR}/share/cimg RENAME copyright2)