From aaff9752fd10b7860bdba62fba3107fe8133367f Mon Sep 17 00:00:00 2001
From: Jan Nieuwenhuizen <janneke@gnu.org>
Date: Tue, 12 Apr 2016 15:22:51 +0200
Subject: [PATCH 5/9] gnu: gmp: build shared library for mingw.

* gnu/packages/multiprecision.scm (gmp)[MINGW]: Use --enable-shared.
---
 gnu/packages/multiprecision.scm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/multiprecision.scm b/gnu/packages/multiprecision.scm
index ad50770..6977f80 100644
--- a/gnu/packages/multiprecision.scm
+++ b/gnu/packages/multiprecision.scm
@@ -49,7 +49,11 @@
                 '(;; Build a "fat binary", with routines for several
                   ;; sub-architectures.
                   "--enable-fat"
-                  "--enable-cxx")))
+                  "--enable-cxx"
+                  ,@(cond ((equal? (%current-target-system) "i686-w64-mingw32")
+                           `("--enable-shared"
+                             "--disable-static"))
+                          (else '())))))
    (synopsis "Multiple-precision arithmetic library")
    (description
     "GMP is a library for arbitrary precision arithmetic, operating on
-- 
2.7.3