From 19c1ac8d88b0925863623530ee65ac40861c2d8d Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Wed, 8 Mar 2017 14:45:55 +0100 Subject: build: Unset 'NIX_BUILD_HOOK' when offloading support is missing. * build-aux/pre-inst-env.in: Export 'NIX_BUILD_HOOK' only when nix/scripts/offload is executable; unset it otherwise. --- build-aux/pre-inst-env.in | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/build-aux/pre-inst-env.in b/build-aux/pre-inst-env.in index fe56da6944..dca2699687 100644 --- a/build-aux/pre-inst-env.in +++ b/build-aux/pre-inst-env.in @@ -1,7 +1,7 @@ #!/bin/sh # GNU Guix --- Functional package management for GNU -# Copyright © 2012, 2013, 2014, 2015 Ludovic Courtès +# Copyright © 2012, 2013, 2014, 2015, 2017 Ludovic Courtès # # This file is part of GNU Guix. # @@ -45,11 +45,18 @@ export PATH NIX_ROOT_FINDER="$abs_top_builddir/nix/scripts/list-runtime-roots" NIX_SUBSTITUTERS="$abs_top_builddir/nix/scripts/substitute" -NIX_BUILD_HOOK="$abs_top_builddir/nix/scripts/offload" NIX_LIBEXEC_DIR="@abs_top_builddir@/nix/scripts" # for 'guix-authenticate' -export NIX_ROOT_FINDER NIX_SUBSTITUTERS \ - NIX_BUILD_HOOK NIX_LIBEXEC_DIR +export NIX_ROOT_FINDER NIX_SUBSTITUTERS NIX_LIBEXEC_DIR + +NIX_BUILD_HOOK="$abs_top_builddir/nix/scripts/offload" +if [ -x "$NIX_BUILD_HOOK" ] +then + export NIX_BUILD_HOOK +else + # No offloading support. + unset NIX_BUILD_HOOK +fi # The 'guix-register' program. GUIX_REGISTER="$abs_top_builddir/guix-register" -- cgit v1.2.3