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>
(cherry picked from commit b9c983eb22a9b0771a0454216d1d7cbb5f3f8a16)
Signed-off-by: Steve Sakoman <steve@sakoman.com>

diff --git a/meta/classes/package_rpm.bbclass b/meta/classes/package_rpm.bbclass
index 7de409197ee3a28e993126d1cc2cdbc47c66f342..fc9007922a2f743690905ad1ce7c1c52e53723b5 100644 (file)
--- a/meta/classes/package_rpm.bbclass
+++ b/meta/classes/package_rpm.bbclass
@@ -678,8 +678,8 @@ 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'"