From bbd19615457ac6ced724489be80c6fbff972492e Mon Sep 17 00:00:00 2001
From: Mark H Weaver <mhw@netris.org>
Date: Wed, 15 Jul 2015 23:18:30 -0400
Subject: gnu: ghc: Don't pass --build=<triplet> to configure.

* gnu/packages/haskell.scm (ghc)[arguments]: Add #:build #f.
---
 gnu/packages/haskell.scm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index 75bbb24479..298caf108c 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -116,6 +116,11 @@
        ;; gremlin) doesn't support it yet, so skip this phase.
        #:validate-runpath? #f
 
+       ;; Don't pass --build=<triplet>, because the configure script
+       ;; auto-detects slightly different triplets for --host and --target and
+       ;; then complains that they don't match.
+       #:build #f
+
        #:modules ((guix build gnu-build-system)
                   (guix build utils)
                   (guix build rpath)
-- 
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