modules: Add FindGLFW.cmake

Signed-off-by: Squareys <Squareys@googlemail.com>

modules/FindGLFW.cmake

@@ -0,0 +1,67 @@
+#.rst:
+# Find GLFW
+# ---------
+#
+# Finds the GLFW library. This module defines:
+#
+#  GLFW_FOUND               - True if GLFW library is found
+#  GLFW::GLFW               - GLFW imported target
+#
+# Additionally these variables are defined for internal usage:
+#
+#  GLFW_LIBRARY             - GLFW library
+#  GLFW_INCLUDE_DIR         - Root include dir
+#
+
+#
+#   This file is part of Magnum.
+#
+#   Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016
+#             Vladimír Vondruš <mosra@centrum.cz>
+#   Copyright © 2016 Jonathan Hale <squareys@googlemail.com>
+#
+#   Permission is hereby granted, free of charge, to any person obtaining a
+#   copy of this software and associated documentation files (the "Software"),
+#   to deal in the Software without restriction, including without limitation
+#   the rights to use, copy, modify, merge, publish, distribute, sublicense,
+#   and/or sell copies of the Software, and to permit persons to whom the
+#   Software is furnished to do so, subject to the following conditions:
+#
+#   The above copyright notice and this permission notice shall be included
+#   in all copies or substantial portions of the Software.
+#
+#   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+#   THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+#   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+#   DEALINGS IN THE SOFTWARE.
+#
+
+find_library(GLFW_LIBRARY NAMES glfw glfw3)
+
+# Include dir
+find_path(GLFW_INCLUDE_DIR
+    NAMES glfw3.h
+    PATH_SUFFIXES GLFW)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args("GLFW" DEFAULT_MSG
+    GLFW_LIBRARY
+    GLFW_INCLUDE_DIR)
+
+if(NOT TARGET GLFW::GLFW)
+    add_library(GLFW::GLFW UNKNOWN IMPORTED)
+
+    # Work around BUGGY framework support on OSX
+    # https://cmake.org/Bug/view.php?id=14105
+    if(CORRADE_TARGET_APPLE AND ${GLFW_LIBRARY} MATCHES "\\.framework$")
+        set_property(TARGET GLFW::GLFW PROPERTY IMPORTED_LOCATION ${GLFW_LIBRARY}/GLFW)
+    else()
+        set_property(TARGET GLFW::GLFW PROPERTY IMPORTED_LOCATION ${GLFW_LIBRARY})
+    endif()
+
+    set_property(TARGET GLFW::GLFW PROPERTY
+        INTERFACE_INCLUDE_DIRECTORIES ${GLFW_INCLUDE_DIR})
+endif()