Merge branch 'traversaro-add-libwebp'

ports/libwebp/0001-add-install-to-cmake.patch

@@ -0,0 +1,21 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 3cb9c3b..f05800d 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -276,6 +276,16 @@ foreach(I_FILE RANGE ${WEBP_SIMD_FILES_TO_INCLUDE_RANGE})
+   )
+ endforeach()
+ 
++# Install the headers
++file(GLOB PUBLIC_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/src/webp/*.h)
++install(FILES ${PUBLIC_HEADERS} DESTINATION include/webp)
++
++# Install the library
++install(TARGETS webp
++        RUNTIME DESTINATION bin
++        LIBRARY DESTINATION lib
++        ARCHIVE DESTINATION lib)
++
+ # Build the executables if asked for.
+ if(WEBP_BUILD_CWEBP OR WEBP_BUILD_DWEBP)
+   # Example utility library.

ports/libwebp/CONTROL

@@ -0,0 +1,3 @@
+Source: libwebp
+Version: 0.5.1
+Description: Lossy compression of digital photographic images.

ports/libwebp/portfile.cmake

@@ -0,0 +1,28 @@
+include(${CMAKE_TRIPLET_FILE})
+include(vcpkg_common_functions)
+set(SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/libwebp-0.5.1)
+vcpkg_download_distfile(ARCHIVE
+    URLS "https://github.com/webmproject/libwebp/archive/v0.5.1.zip"
+    FILENAME "libwebp-0.5.1.zip"
+    SHA512 1d9b218e3b6df50e7bc71b1338619b142a9dcd6cb7cbde2e7a4182b12a353f4f1d830b94dbeb7e6e8aac6e6613ec1aa368ce00a6945cdb7686eb94b287b9fd4e
+)
+vcpkg_extract_source_archive(${ARCHIVE})
+
+vcpkg_apply_patches(
+    SOURCE_PATH ${SOURCE_PATH}
+    PATCHES ${CMAKE_CURRENT_LIST_DIR}/0001-add-install-to-cmake.patch
+)
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    # dllexport support seem to be broken
+    OPTIONS -DCMAKE_WINDOWS_EXPORT_ALL_SYMBOLS:BOOL=ON
+)
+
+vcpkg_install_cmake()
+
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
+
+# Handle copyright
+file(COPY ${SOURCE_PATH}/COPYING DESTINATION ${CURRENT_PACKAGES_DIR}/share/libwebp)
+file(RENAME ${CURRENT_PACKAGES_DIR}/share/libwebp/COPYING ${CURRENT_PACKAGES_DIR}/share/libwebp/copyright)