[gnome-ostree/wip/gjs-round2] build: Reduce number of jobs to CPUS + 1, use make -l too

[Colin Walters <walters src gnome org>]

commit ecc51f11b9ee290f4d807d6c5a1409921dd6f31f
Author: Colin Walters <walters verbum org>
Date:   Sat Dec 15 07:22:54 2012 -0500

    build: Reduce number of jobs to CPUS + 1, use make -l too
    
    For the future when we're running multiple jobs in parallel,
    defaulting make to twice the CPU count is too much.  Also, we should
    use make -l to avoid global overload too.

 src/ostbuild/ostree-build-compile-one |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/src/ostbuild/ostree-build-compile-one b/src/ostbuild/ostree-build-compile-one
index 02c69a9..e32a62a 100755
--- a/src/ostbuild/ostree-build-compile-one
+++ b/src/ostbuild/ostree-build-compile-one
@@ -98,7 +98,9 @@ def _has_buildapi_configure_variable(name):
     return False
 
 def main(args):
-    default_buildapi_jobs = ['-j', '%d' % (cpu_count() * 2, )]
+    ncpus = cpu_count()
+    default_buildapi_jobs = ['-j', '%d' % (ncpus + 1), 
+                             '-l', '%d' % (ncpus * 2)]
 
     starttime = time.time()