07/07: gnu: ToME4: Fix build failure.

[guix-commits]

mbakke pushed a commit to branch core-updates
in repository guix.

commit f27b1cf091e31840af9a8251d5035fcb4b26a528
Author: Marius Bakke <address@hidden>
AuthorDate: Fri Apr 3 18:26:47 2020 +0200

    gnu: ToME4: Fix build failure.
    
    * gnu/packages/games.scm (tome4)[arguments]: Do not assume CPATH is set.
---
 gnu/packages/games.scm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gnu/packages/games.scm b/gnu/packages/games.scm
index f0f1886..06d1b3c 100644
--- a/gnu/packages/games.scm
+++ b/gnu/packages/games.scm
@@ -5413,7 +5413,7 @@ Crowther & Woods, its original authors, in 1995.  It has 
been known as
                       (setenv "CPATH"
                               (string-append (assoc-ref inputs "sdl-union")
                                              "/include/SDL2:"
-                                             (getenv "CPATH")))
+                                             (or (getenv "CPATH") "")))
                       #t))
                   (delete 'check)
                   ;; premake doesn't provide install target