From 886d833e39fe5a193abaf486e64d8f35ac491b27 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Sun, 2 Dec 2018 00:20:04 +0100
Subject: gnu: openfoam: Adjust for glibc 2.28.

* gnu/packages/simulation.scm (openfoam)[source](modules, snippet): New
fields.
---
 gnu/packages/simulation.scm | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/simulation.scm b/gnu/packages/simulation.scm
index 6144e236a7..c080a16ce7 100644
--- a/gnu/packages/simulation.scm
+++ b/gnu/packages/simulation.scm
@@ -70,7 +70,16 @@
        (file-name (string-append name "-" version ".tar.gz"))
        (sha256
         (base32 "0cgxh4h2hf50qbvvdg5miwc2nympb0nrv3md96vb3gbs9vk8vq9d"))
-       (patches (search-patches "openfoam-4.1-cleanup.patch"))))
+       (patches (search-patches "openfoam-4.1-cleanup.patch"))
+       (modules '((guix build utils)))
+       (snippet
+        '(begin
+           ;; Include <sys/sysmacros.h>, which is where glibc >= 2.28 provides
+           ;; 'major' and 'minor'.
+           (substitute* "src/OSspecific/POSIX/fileStat.C"
+             (("#include <unistd\\.h>")
+              "#include <unistd.h>\n#include <sys/sysmacros.h>\n"))
+           #t))))
     (build-system gnu-build-system)
     (inputs
      `(("boost" ,boost)
-- 
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