From db6190899ea15d3b66d6b2d82bdeaee442423100 Mon Sep 17 00:00:00 2001
From: John Darrington <john@darrington.wattle.id.au>
Date: Tue, 17 Dec 2013 20:33:26 +0100
Subject: gnu: gnu-build-system: Add CC_FOR_BUILD to configure flags.
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* guix/build/gnu-build-system.scm: Add new configure flag: CC_FOR_BUILD=gcc

* gnu/packages/gnupg.scm, gnu/packages/guile.scm, gnu/packages/make-bootstrap.scm:
  remove CC_FOR_BUILD from these package descriptions.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
---
 gnu/packages/gnupg.scm          | 4 ----
 gnu/packages/guile.scm          | 6 +-----
 gnu/packages/make-bootstrap.scm | 5 +----
 guix/build/gnu-build-system.scm | 5 ++++-
 4 files changed, 6 insertions(+), 14 deletions(-)

diff --git a/gnu/packages/gnupg.scm b/gnu/packages/gnupg.scm
index fb7b4975ac..be13eb0ba0 100644
--- a/gnu/packages/gnupg.scm
+++ b/gnu/packages/gnupg.scm
@@ -44,10 +44,6 @@ (define-public libgpg-error
        (base32
         "0pz58vr12qihq2f0bypjxsb6cf6ajq5258fmfm8s6lvwm3b9xz6a"))))
     (build-system gnu-build-system)
-    (arguments
-     (if (%current-target-system)
-         '(#:configure-flags '("CC_FOR_BUILD=gcc"))
-         '()))
     (home-page "http://gnupg.org")
     (synopsis
      "Libgpg-error, a small library that defines common error values for all GnuPG components")
diff --git a/gnu/packages/guile.scm b/gnu/packages/guile.scm
index 40d9ae7df8..3dbb5d8429 100644
--- a/gnu/packages/guile.scm
+++ b/gnu/packages/guile.scm
@@ -150,11 +150,7 @@ (define-public guile-2.0
                     (substitute* "module/ice-9/popen.scm"
                       (("/bin/sh")
                        (string-append bash "/bin/bash")))))
-                %standard-phases)
-
-      ,@(if (%current-target-system)
-            '(#:configure-flags '("CC_FOR_BUILD=gcc"))
-            '())))
+                %standard-phases)))
 
    (native-search-paths
     (list (search-path-specification
diff --git a/gnu/packages/make-bootstrap.scm b/gnu/packages/make-bootstrap.scm
index d621a634a3..97a13b4b74 100644
--- a/gnu/packages/make-bootstrap.scm
+++ b/gnu/packages/make-bootstrap.scm
@@ -502,10 +502,7 @@ (define %guile-static
                    `(;; When `configure' checks for ltdl availability, it
                      ;; doesn't try to link using libtool, and thus fails
                      ;; because of a missing -ldl.  Work around that.
-                     #:configure-flags '("LDFLAGS=-ldl"
-                                         ,@(if (%current-target-system)
-                                               '("CC_FOR_BUILD=gcc")
-                                               '()))
+                     #:configure-flags '("LDFLAGS=-ldl")
 
                      #:phases (alist-cons-before
                                'configure 'static-guile
diff --git a/guix/build/gnu-build-system.scm b/guix/build/gnu-build-system.scm
index 65c9fcd1bd..6d26392c8f 100644
--- a/guix/build/gnu-build-system.scm
+++ b/guix/build/gnu-build-system.scm
@@ -136,7 +136,10 @@ (define (package-name)
          (bash       (or (and=> (assoc-ref (or native-inputs inputs) "bash")
                                 (cut string-append <> "/bin/bash"))
                          "/bin/sh"))
-         (flags      `(,(string-append "CONFIG_SHELL=" bash)
+         (flags      `(,@(if target             ; cross building
+                             '("CC_FOR_BUILD=gcc")
+                             '())
+                       ,(string-append "CONFIG_SHELL=" bash)
                        ,(string-append "SHELL=" bash)
                        ,(string-append "--prefix=" prefix)
                        "--enable-fast-install"    ; when using Libtool
-- 
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