Merge pull request #138 from ebraminio/master

Add freeglut

ports/freeglut/CONTROL

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+Source: freeglut
+Version: 3.0.0
+Description: Open source implementation of GLUT with source and binary backwards compatibility.

ports/freeglut/portfile.cmake

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+include(${CMAKE_TRIPLET_FILE})
+include(vcpkg_common_functions)
+vcpkg_download_distfile(ARCHIVE
+    URLS "http://downloads.sourceforge.net/project/freeglut/freeglut/3.0.0/freeglut-3.0.0.tar.gz"
+    FILENAME "freeglut-3.0.0.tar.gz"
+    SHA512 9c45d5b203b26a7ff92331b3e080a48e806c92fbbe7c65d9262dd18c39cd6efdad8a795a80f499a2d23df84b4909dbd7c1bab20d7dd3555d3d88782ce9dd15b0
+)
+vcpkg_extract_source_archive(${ARCHIVE})
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/freeglut-3.0.0
+    OPTIONS
+        -DFREEGLUT_BUILD_STATIC_LIBS=OFF
+        -DFREEGLUT_BUILD_DEMOS=OFF
+)
+
+vcpkg_install_cmake()
+
+file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)
+
+# Handle copyright
+file(COPY ${CURRENT_BUILDTREES_DIR}/src/freeglut-3.0.0/COPYING DESTINATION ${CURRENT_PACKAGES_DIR}/share/freeglut)
+file(RENAME ${CURRENT_PACKAGES_DIR}/share/freeglut/COPYING ${CURRENT_PACKAGES_DIR}/share/freeglut/copyright)