%if ! %{with clang}
# On x86_64 architectures, Mozilla can build up to 4 jobs at once in parallel,
# however builds tend to fail on other arches when building in parallel.
%if ! %{with clang}
# On x86_64 architectures, Mozilla can build up to 4 jobs at once in parallel,
# however builds tend to fail on other arches when building in parallel.