From 24aaf2f257e6b611d3759ffc53c29828efce1917 Mon Sep 17 00:00:00 2001
From: Mark H Weaver <mhw@netris.org>
Date: Wed, 31 Dec 2014 04:17:45 -0500
Subject: gnu: gmp: Apply fixes for armhf.

* gnu/packages/patches/gmp-arm-asm-nothumb.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/multiprecision.scm (gmp): Add patch.  Include --build triplet
  in configure args when building natively.
* gnu/packages/commencement.scm (gcc-final): Use bootstrap guile to
  build gmp-source.
---
 gnu/packages/multiprecision.scm | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

(limited to 'gnu/packages/multiprecision.scm')

diff --git a/gnu/packages/multiprecision.scm b/gnu/packages/multiprecision.scm
index 377d922a09..ddbfc79965 100644
--- a/gnu/packages/multiprecision.scm
+++ b/gnu/packages/multiprecision.scm
@@ -1,5 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2012, 2013 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2014 Mark H Weaver <mhw@netris.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -22,6 +23,7 @@ (define-module (gnu packages multiprecision)
   #:use-module (gnu packages m4)
   #:use-module (guix packages)
   #:use-module (guix download)
+  #:use-module (guix utils)
   #:use-module (guix build-system gnu))
 
 (define-public gmp
@@ -35,7 +37,8 @@ (define-public gmp
                             version ".tar.xz"))
             (sha256
              (base32
-              "0r5pp27cy7ch3dg5v0rsny8bib1zfvrza6027g2mp5f6v8pd6mli"))))
+              "0r5pp27cy7ch3dg5v0rsny8bib1zfvrza6027g2mp5f6v8pd6mli"))
+            (patches (list (search-patch "gmp-arm-asm-nothumb.patch")))))
    (build-system gnu-build-system)
    (native-inputs `(("m4" ,m4)))
    (outputs '("out" "debug"))
@@ -43,7 +46,15 @@ (define-public gmp
                 '(;; Build a "fat binary", with routines for several
                   ;; sub-architectures.
                   "--enable-fat"
-                  "--enable-cxx")))
+                  "--enable-cxx"
+
+                  ;; FIXME: gmp-6.0.0a's config.guess fails on
+                  ;; multi-core armhf systems.
+                  ,@(if (%current-target-system)
+                        '()
+                        (let ((triplet
+                               (nix-system->gnu-triplet (%current-system))))
+                          (list (string-append "--build=" triplet)))))))
    (synopsis "Multiple-precision arithmetic library")
    (description
     "GMP is a library for arbitrary precision arithmetic, operating on
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