package_rpm: pass XZ_THREADS to rpm

By default RPM uses the number of cores as the number of threads to use,
which can result in quite antisocial memory usage.

As we control the macros for compression anyway, we can pass XZ_THREADS
to limit the number of threads if needed.

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/classes/package_rpm.bbclass b/meta/classes/package_rpm.bbclass
index 84a9a6dd12fae6444c43866cfe82cd1d0d60ceb0..86706da842e7fb189e68aa821a4fe39f6cfd8f0a 100644 (file)
--- a/meta/classes/package_rpm.bbclass
+++ b/meta/classes/package_rpm.bbclass
@@ -684,8 +684,8 @@ python do_package_rpm () {
     cmd = cmd + " --define '_use_internal_dependency_generator 0'"
     cmd = cmd + " --define '_binaries_in_noarch_packages_terminate_build 0'"
     cmd = cmd + " --define '_build_id_links none'"
-    cmd = cmd + " --define '_binary_payload w6T.xzdio'"
-    cmd = cmd + " --define '_source_payload w6T.xzdio'"
+    cmd = cmd + " --define '_binary_payload w6T%d.xzdio'" % int(d.getVar("XZ_THREADS"))
+    cmd = cmd + " --define '_source_payload w6T%d.xzdio'" % int(d.getVar("XZ_THREADS"))
     cmd = cmd + " --define 'clamp_mtime_to_source_date_epoch 1'"
     cmd = cmd + " --define 'use_source_date_epoch_as_buildtime 1'"
     cmd = cmd + " --define '_buildhost reproducible'"