add missing buildroot

diff --git a/cargo.spec b/cargo.spec
index 9fe7378116474ac0182b4be13e2be7b69942d1ac..f13bf86dd270e395077790f1c3bb2ed6515912fa 100644 (file)
--- a/cargo.spec
+++ b/cargo.spec
@@ -44,6 +44,7 @@ BuildRequires:        pkgconfig
 BuildRequires: zlib-devel
 Requires:      rust
 ExclusiveArch: %{x8664} %{ix86}
+BuildRoot:     %{tmpdir}/%{name}-%{version}-root-%(id -u -n)
 
 %define rust_triple %{_target_cpu}-unknown-linux-gnu