gnu: mesa: Do not pass an empty string argument to the build system.

This is a follow-up to commit 301b2e74f9.

* gnu/packages/gl.scm (mesa)[arguments]: Return the empty list instead of an
empty string for the non-matching case.
This commit is contained in:
Marius Bakke 2019-06-29 19:40:08 +02:00
parent 6e1f8d552b
commit 93ef8ca662
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@ -318,7 +318,7 @@ (define-public mesa
((or "x86_64-linux" "i686-linux")
'("-Dvulkan-overlay-layer=true"))
(_
'("")))
'()))
;; Also enable the tests.
"-Dbuild-tests=true"