gnu: gamemode: Patch library references.

This change addresses the following error:
$ gamemoderun echo
ERROR: ld.so: object 'libgamemodeauto.so.0' from LD_PRELOAD cannot be preloaded (cannot open shared object file): ignored.

* gnu/packages/linux.scm (gamemode) [arguments] <#:phases>: Patch
libgamemode.so.0 and libgamemodeauto.so.0 references.

Change-Id: I8a32677c835bcc1c2fe1a9d6e4363fbb32a88dc7
Merges: #7728

1 files changed, 9 insertions, 1 deletions

diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index 8a6ef282fff..a55d818296b 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -7713,7 +7713,15 @@ and copy/paste text in the console and in xterm.")
                         "/etc/security/limits.d")
          ;; Guix does not use systemd.
          "-Dwith-systemd-user-unit=false"
-         "-Dwith-systemd-group=false")))
+         "-Dwith-systemd-group=false")
+      #:phases
+      #~(modify-phases %standard-phases
+          (add-after 'unpack 'patch-references
+            (lambda _
+              (substitute* '("lib/gamemode_client.h"
+                             "data/gamemoderun")
+                (("libgamemode(auto)?\\.so\\.0" lib)
+                 (string-append #$output "/lib/" lib))))))))
     (native-inputs
      (list pkg-config))
     (inputs