# - Find GLH

# Find the Graphic Library Helper includes.

# This module defines

#  GLH_INCLUDE_DIR, where to find glh/glh_linear.h.

#  GLH_FOUND, If false, do not try to use GLH.

find_path(GLH_INCLUDE_DIR glh/glh_linear.h

    NO_SYSTEM_ENVIRONMENT_PATH

    )

if (GLH_INCLUDE_DIR)

  set(GLH_FOUND "YES")

else (GLH_INCLUDE_DIR)

  set(GLH_FOUND "NO")

endif (GLH_INCLUDE_DIR)

if (GLH_FOUND)

  if (NOT GLH_FIND_QUIETLY)

    message(STATUS "Found GLH: ${GLH_INCLUDE_DIR}")

    set(GLH_FIND_QUIETLY TRUE) # Only alert us the first time

  endif (NOT GLH_FIND_QUIETLY)

else (GLH_FOUND)

  if (GLH_FIND_REQUIRED)

    message(FATAL_ERROR "Could not find GLH")

  endif (GLH_FIND_REQUIRED)

endif (GLH_FOUND)