bug#73859: [PATCH 1/2] gnu: lightdm: Use global sysconfdir.

[Dariqq]

* gnu/packages/display-managers.scm (lightm)
[#:configure-flags]: Set sysconfdir to /etc.
[#:phases]: Overwrite sysconfdir in 'installE. for installing sample config 
files

Change-Id: If9c6ce810c726551bd3bf568d50cad8680829262
---
 gnu/packages/display-managers.scm | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/display-managers.scm 
b/gnu/packages/display-managers.scm
index 5152eb6479..b210b11bc6 100644
--- a/gnu/packages/display-managers.scm
+++ b/gnu/packages/display-managers.scm
@@ -385,6 +385,7 @@ (define-public lightdm
       #:parallel-tests? #f             ; fails when run in parallel
       #:configure-flags
       #~(list "--localstatedir=/var"
+              "--sysconfdir=/etc"
               "--enable-gtk-doc"
               ;; Otherwise the test suite fails on such a warning.
               "CFLAGS=-Wno-error=missing-prototypes")
@@ -412,7 +413,11 @@ (define-public lightdm
                 `("GI_TYPELIB_PATH" ":" prefix (,(getenv "GI_TYPELIB_PATH"))))
               ;; Avoid printing locale warnings, which trip up the text
               ;; matching tests.
-              (unsetenv "LC_ALL"))))))
+              (unsetenv "LC_ALL")))
+          (replace 'install
+           (lambda* (#:key make-flags #:allow-other-keys)
+             (apply invoke "make" "install" (string-append "sysconfdir=" 
#$output "/etc")
+                    make-flags))))))
     (inputs
      (list audit
            bash-minimal                 ;for cross-compilation
-- 
2.46.0