From e76bdf8b87920b87a2a2e728c2e40ff24ca39ffe Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Sat, 3 Nov 2012 21:11:02 +0100
Subject: build: Clearly mark Nixpkgs as optional.

* configure.ac: Always show the result of checking for Nixpkgs.  Don't
  warn when Nixpkgs is not found.
* Makefile.am (AM_DISTCHECK_CONFIGURE_FLAGS): Remove `--with-nixpkgs'
  flag.
* guix/utils.scm (%nixpkgs-directory): Use either the compile-time or
  the run-time `NIXPKGS' environment variable.
* release.nix (jobs.tarball, jobs.build): Remove `--with-nixpkgs'
  configure flag.
* README: Mark Nixpkgs as optional.

* distro/packages/databases.scm, distro/packages/guile.scm,
  distro/packages/typesetting.scm: Change uses of `nixpkgs-derivation*'
  to `nixpkgs-derivation', to avoid failing at compile-time.
---
 configure.ac | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index d9a5f07f4f..85bd20e2be 100644
--- a/configure.ac
+++ b/configure.ac
@@ -52,13 +52,12 @@ AC_ARG_WITH([nixpkgs],
    esac],
   [])
 
+AC_MSG_CHECKING([for Nixpkgs source tree])
 if test -f "$NIXPKGS/default.nix"; then
-   AC_MSG_CHECKING([for Nixpkgs source tree])
    AC_MSG_RESULT([$NIXPKGS])
    AC_SUBST([NIXPKGS])
 else
-   AC_MSG_WARN([Nixpkgs not found; this will prevent most tests from running.])
-   AC_MSG_WARN([Please use `--with-nixpkgs'.])
+   AC_MSG_RESULT([not found])
 fi
 
 AC_ARG_WITH([libgcrypt-prefix],
-- 
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