[bug#28765] [PATCH] config: Conditionally configure daemon offload script.

[Eric Bavier <bavier@cray.com>]

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This prevents pre-inst-env from exporting NIX_BUILD_HOOK when guile-ssh is not available.

Eric Bavier, Scientific Libraries, Cray Inc.

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From 984e324370c2c17d8d1a982adf2884112c9e64b7 Mon Sep 17 00:00:00 2001
From: Eric Bavier <bavier@cray.com>
Date: Mon, 9 Oct 2017 13:58:04 -0500
Subject: [PATCH] config: Conditionally configure daemon offload script.

* config-daemon.ac (nix/scripts/offload): Configure only if offloading enabled.
---
 config-daemon.ac | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/config-daemon.ac b/config-daemon.ac
index 42b5981..841e0ac 100644
--- a/config-daemon.ac
+++ b/config-daemon.ac
@@ -159,8 +159,10 @@ if test "x$guix_build_daemon" = "xyes"; then
     [chmod +x nix/scripts/substitute])
   AC_CONFIG_FILES([nix/scripts/guix-authenticate],
     [chmod +x nix/scripts/guix-authenticate])
-  AC_CONFIG_FILES([nix/scripts/offload],
-    [chmod +x nix/scripts/offload])
+  if test "x$guix_build_daemon_offload" = "xyes"; then
+    AC_CONFIG_FILES([nix/scripts/offload],
+      [chmod +x nix/scripts/offload])
+  fi
 fi
 
 AM_CONDITIONAL([BUILD_DAEMON], [test "x$guix_build_daemon" = "xyes"])
-- 
1.8.5.6