(define-module (freya packages gl)
               #:use-module ((guix licenses) #:prefix license:)
               #:use-module (guix packages)
               #:use-module (guix gexp)
               #:use-module (guix utils)
               #:use-module (ice-9 match)
               #:use-module (gnu packages)
               #:use-module (gnu packages gl))

(define-public mesa-libglvnd
  (package
    (inherit mesa)
    (inputs
      (modify-inputs
        (package-inputs mesa)
        (prepend libglvnd)))
    (arguments
     (substitute-keyword-arguments (package-arguments mesa)
       ((#:configure-flags flags ''())
        #~(append (list "-Dglvnd=true")
                  #$flags))))))