FindGLEW was missing for some reason

mk/cmake/Modules/FindGLEW.cmake

@@ -0,0 +1,62 @@
+#.rst:
+# FindGLEW
+# --------
+#
+# Find the OpenGL Extension Wrangler Library (GLEW)
+#
+# IMPORTED Targets
+# ^^^^^^^^^^^^^^^^
+#
+# This module defines the :prop_tgt:`IMPORTED` target ``GLEW::GLEW``,
+# if GLEW has been found.
+#
+# Result Variables
+# ^^^^^^^^^^^^^^^^
+#
+# This module defines the following variables:
+#
+# ::
+#
+#   GLEW_INCLUDE_DIRS - include directories for GLEW
+#   GLEW_LIBRARIES - libraries to link against GLEW
+#   GLEW_FOUND - true if GLEW has been found and can be used
+
+#=============================================================================
+# Copyright 2012 Benjamin Eikel
+# Copyright 2015 filux <heross(@@)o2.pl>
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+#  License text for the above reference.)
+
+find_path(GLEW_INCLUDE_DIR GL/glew.h)
+
+SET(GLEW_NAMES ${GLEW_NAMES} GLEW glew32 glew glew32s)
+IF(STATIC_GLEW)
+	SET(GLEW_NAMES libGLEW.a libglew32.a libglew.a libglew32s.a GLEW.a glew32.a glew.a glew32s.a ${GLEW_NAMES})
+ENDIF()
+
+find_library(GLEW_LIBRARY NAMES ${GLEW_NAMES} PATH_SUFFIXES lib64)
+
+set(GLEW_INCLUDE_DIRS ${GLEW_INCLUDE_DIR})
+set(GLEW_LIBRARIES ${GLEW_LIBRARY})
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(GLEW REQUIRED_VARS GLEW_INCLUDE_DIR GLEW_LIBRARY)
+
+if(GLEW_FOUND AND NOT TARGET GLEW::GLEW)
+  add_library(GLEW::GLEW UNKNOWN IMPORTED)
+  set_target_properties(GLEW::GLEW PROPERTIES
+    IMPORTED_LOCATION "${GLEW_LIBRARY}"
+    INTERFACE_INCLUDE_DIRECTORIES "${GLEW_INCLUDE_DIRS}")
+
+  message(STATUS "GLEW_LIBRARY: ${GLEW_LIBRARIES}")
+endif()
+
+mark_as_advanced(GLEW_INCLUDE_DIR GLEW_LIBRARY)