builder: disable parallel build

some packages (bcc-bpf) take too much memory when linking

diff --git a/docker/rpmmacros b/docker/rpmmacros
index 7f9a58685c56d17a12a0994f16f9811c253076c4..6981a6b5a2128073fb520c8edb023e3361e08f46 100644 (file)
--- a/docker/rpmmacros
+++ b/docker/rpmmacros
@@ -7,3 +7,6 @@
 %_enable_debug_packages 0
 
 %_binary_payload       w1.gzdio
+
+# clear parallel build
+%_smp_mflags   %{nil}