From 437e0729d86e750bed5ca76307e5dad610a337e6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Tue, 14 Aug 2012 18:50:36 +0200
Subject: [PATCH] build: Pass the right flags for "make distcheck".

* Makefile.am (AM_DISTCHECK_CONFIGURE_FLAGS): New variable.
* configure.ac: Define and substitute `NIX_PREFIX'.
---
 Makefile.am  | 2 ++
 configure.ac | 6 +++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/Makefile.am b/Makefile.am
index a55de7bd38..18ebd658e0 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -95,3 +95,5 @@ $(guix_install_go_files): install-nobase_dist_guilemoduleDATA
 SUBDIRS = po
 
 ACLOCAL_AMFLAGS = -I m4
+AM_DISTCHECK_CONFIGURE_FLAGS =					\
+  --with-nixpkgs=$(NIXPKGS) --with-nix-prefix="$(NIX_PREFIX)"
diff --git a/configure.ac b/configure.ac
index d8537294c5..aed8287bfd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -27,7 +27,11 @@ AC_ARG_WITH([nix-prefix],
   [AS_HELP_STRING([--with-nix-prefix=DIR], [search for Nix in DIR])],
   [case "$withval" in
     yes|no) ;;
-    *)      PATH="$withval/bin:$PATH"; export PATH;;
+    *)
+      NIX_PREFIX="$withval"
+      PATH="$NIX_PREFIX/bin:$PATH"; export PATH
+      AC_SUBST([NIX_PREFIX])
+      ;;
    esac],
   [])