Backed out
changeset f9f71cccb5c3 - Wuzzy is right, the license is incompatible.
I'd misread the wording on https://fontlibrary.org/en/font/symbola
The terms on the author's site prevent using it with almost all FOSS projects, and even prevent using it in a merge like this.
We'll just have to find some other font to improve coverage.
# Find GLEW
#
# Once done this will define
# GLEW_FOUND - system has GLEW
# GLEW_INCLUDE_DIR - the GLEW include directory
# GLEW_LIBRARY - The library needed to use GLEW
# Copyright (c) 2013, Vittorio Giovara <vittorio.giovara@gmail.com>
#
# 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.
include(FindPackageHandleStandardArgs)
find_path( GLEW_INCLUDE_DIR GL/glew.h
/usr/include
/usr/local/include
/sw/include
/opt/local/include
$ENV{PROGRAMFILES}/GLEW/include
DOC "The directory where GL/glew.h resides")
find_library( GLEW_LIBRARY
NAMES GLEW glew glew32 glew32s
PATHS
/usr/lib64
/usr/lib
/usr/local/lib64
/usr/local/lib
/sw/lib
/opt/local/lib
$ENV{PROGRAMFILES}/GLEW/lib
DOC "The GLEW library")
if(BUILD_ENGINE_JS)
set(GLEW_INCLUDE_DIR "${EMSCRIPTEN_ROOT_PATH}/system/include")
SET(GLEW_LIBRARY "glew_emscripten_internal")
endif()
find_package_handle_standard_args(GLEW DEFAULT_MSG GLEW_LIBRARY GLEW_INCLUDE_DIR)
mark_as_advanced(GLEW_LIBRARY GLEW_INCLUDE_DIR)