From 9e9a207b49b159e9750d159336ebb8691346a35f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Thu, 18 Jan 2018 00:13:14 +0100
Subject: [PATCH] gnu: chez-scheme: Fix build issues against glibc 2.26.

* gnu/packages/chez.scm (chez-scheme)[source](modules, snippet): New
fields.
---
 gnu/packages/chez.scm | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/chez.scm b/gnu/packages/chez.scm
index 4b5b8e8bc7..bb7767670d 100644
--- a/gnu/packages/chez.scm
+++ b/gnu/packages/chez.scm
@@ -70,7 +70,12 @@
                            "v" version ".tar.gz"))
        (sha256
         (base32 "135991hspq0grf26pvl2lkwhp92yz204h6rgiwyym0x6v0xzknd1"))
-       (file-name (string-append "chez-scheme-" version ".tar.gz"))))
+       (file-name (string-append "chez-scheme-" version ".tar.gz"))
+       (modules '((guix build utils)))
+       (snippet
+        ;; Fix compilation with glibc >= 2.26, which removed xlocale.h.
+        '(substitute* "c/expeditor.c"
+           (("xlocale\\.h") "locale.h")))))
     (build-system gnu-build-system)
     (inputs
      `(("ncurses" ,ncurses)