From 82ab4c61058b8d823920f8316606222fa92c0757 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Thu, 27 Nov 2008 18:58:37 +0000
Subject: [PATCH] * buildRPM: Set the %_topdir variable to a known location,
 otherwise   we run into trouble on Fedora 10 (RPM 4.6), where the default is
 no   longer /usr/src/something but $HOME/something.

svn path=/nixpkgs/trunk/; revision=13466
---
 pkgs/build-support/vm/default.nix | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/pkgs/build-support/vm/default.nix b/pkgs/build-support/vm/default.nix
index 076e7fa9a36..33de9804237 100644
--- a/pkgs/build-support/vm/default.nix
+++ b/pkgs/build-support/vm/default.nix
@@ -461,6 +461,14 @@ rec {
       srcName="$strippedName"
       cp "$src" "$srcName" # `ln' doesn't work always work: RPM requires that the file is owned by root
 
+      export HOME=/tmp/home
+      mkdir $HOME
+
+      rpmout=/tmp/rpmout
+      mkdir $rpmout $rpmout/SPECS $rpmout/BUILD $rpmout/RPMS $rpmout/SRPMS
+
+      echo "%_topdir $rpmout" >> $HOME/.rpmmacros
+      
       rpmbuild -vv -ta "$srcName"
 
       eval "$postBuild"
@@ -470,7 +478,7 @@ rec {
       eval "$preInstall"
     
       ensureDir $out/$outDir
-      find /usr/src -name "*.rpm" -exec cp {} $out/$outDir \;
+      find $rpmout -name "*.rpm" -exec cp {} $out/$outDir \;
 
       for i in $out/$outDir/*.rpm; do
         header "Generated RPM/SRPM: $i"