FindOpenGL cmake module

FindOpenGL.cmake

# FindOpenGL - Find OpenGL library
# This module finds if OpenGL is installed and determines where the include
# files and libraries are.

# This module defines the following variables:
# OPENGL_FOUND        - True if OpenGL found
# OPENGL_INCLUDE_DIR  - where to find gl.h, etc.
# OPENGL_LIBRARY      - the name of the OpenGL library

find_library(
    OPENGL_LIBRARY
    NAMES GL
    PATHS
    /opt/homebrew
    /usr/local/lib
    /usr/lib
    /usr/local/lib64
    /usr/lib64
    /opt/local/lib
)

find_path(
    OPENGL_INCLUDE_DIR
    NAMES GL/gl.h
    PATHS
    /opt/homebrew
    /usr/include
    /usr/local/include
    /opt/local/include
)

if(OPENGL_LIBRARY AND OPENGL_INCLUDE_DIR)
    set(OPENGL_FOUND TRUE)
    message(STATUS "Found OpenGL: ${OPENGL_LIBRARY} ${OPENGL_INCLUDE_DIR}")
else()
    set(OPENGL_FOUND FALSE)
    message(STATUS "OpenGL not found")
endif()