From 50836eb7244bc7b4b3681f1bc63c6dc9e3b278ab Mon Sep 17 00:00:00 2001
From: Efraim Flashner <efraim@flashner.co.il>
Date: Mon, 16 Nov 2020 14:16:52 +0200
Subject: [PATCH] gnu: lua: Cross compile.

* gnu/packages/lua.scm (lua)[arguments]: Use cc-for-target in
make-flags. Set SYSLIBS to include readline.
---
 gnu/packages/lua.scm | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/gnu/packages/lua.scm b/gnu/packages/lua.scm
index 989e7b9b46..5d6da69fae 100644
--- a/gnu/packages/lua.scm
+++ b/gnu/packages/lua.scm
@@ -64,13 +64,16 @@
     (build-system gnu-build-system)
     (inputs `(("readline" ,readline)))
     (arguments
-     '(#:modules ((guix build gnu-build-system)
+     `(#:modules ((guix build gnu-build-system)
                   (guix build utils)
                   (srfi srfi-1))
        #:test-target "test"
        #:make-flags
-       '("MYCFLAGS=-fPIC -DLUA_DL_DLOPEN"
-         "linux")
+       (list "MYCFLAGS=-fPIC -DLUA_DL_DLOPEN"
+             (string-append "CC=" ,(cc-for-target))
+             (string-append "SYSLIBS=-L" (assoc-ref %build-inputs "readline")
+                            "/lib")
+             "linux")
        #:phases
        (modify-phases %standard-phases
          (delete 'configure)