Add libgta

Libgta is a portable library that implements the Generic Tagged Array (GTA)
file format.

Signed-off-by: Hiroshi Miura <miurahr@linux.com>

ports/libgta/CONTROL

@@ -0,0 +1,3 @@
+Source: libgta
+Version: 1.0.8
+Description: Libgta is a portable library that implements the Generic Tagged Array (GTA) file format.

ports/libgta/portfile.cmake

@@ -0,0 +1,32 @@
+
+include(vcpkg_common_functions)
+
+set(LIBGTA_VERSION 1.0.8)
+set(LIBGTA_HASH 99ec3d6317c9a12cf440a60bb989cc7a3fe35e0a1da3e65206e5cd52b69fb860850e61ea0f819511ef48ddc87c468c0ded710409990627096738886e1b358423)
+set(SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/libgta-${LIBGTA_VERSION})
+
+vcpkg_download_distfile(ARCHIVE
+    URLS "http://download.savannah.nongnu.org/releases/gta/libgta-1.0.8.tar.xz"
+    FILENAME "libgta-${LIBGTA_VERSION}.tar.xz"
+    SHA512 ${LIBGTA_HASH})
+
+vcpkg_extract_source_archive(${ARCHIVE})
+
+string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "dynamic" ENABLE_SHARED_LIBS)
+string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "static"  ENABLE_STATIC_LIBS)
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    PREFER_NINJA
+    OPTIONS -DGTA_BUILD_SHARED_LIBS=${ENABLE_SHARED_LIBS}
+            -DGTA_BUILD_STATIC_LIBS=${ENABLE_STATIC_LIBS}
+)
+
+vcpkg_build_cmake()
+vcpkg_install_cmake()
+vcpkg_copy_pdbs()
+
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
+
+file(COPY ${SOURCE_PATH}/COPYING DESTINATION ${CURRENT_PACKAGES_DIR}/share/libgta)
+file(RENAME ${CURRENT_PACKAGES_DIR}/share/libgta/COPYING ${CURRENT_PACKAGES_DIR}/share/libgta/copyright)