From e82095c02881410035ca23dc12692f074d8ed39b Mon Sep 17 00:00:00 2001 From: Richard Purdie Date: Tue, 21 Sep 2021 11:55:44 +0100 Subject: externalsrc: Fix a source date epoch race in reproducible builds When reproducible builds are enabled and externalsrc is in use, the source date epoch function is added. The conditions on the conditional code removing the unpack task need to match the deltask function, else the source date epoch function can end up running twice and the functions can race with each other causing build failures or corruption. Signed-off-by: Richard Purdie --- meta/classes/externalsrc.bbclass | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/meta/classes/externalsrc.bbclass b/meta/classes/externalsrc.bbclass index 7f1a760eec..ad93b2d2ab 100644 --- a/meta/classes/externalsrc.bbclass +++ b/meta/classes/externalsrc.bbclass @@ -109,16 +109,15 @@ python () { if local_srcuri and task in fetch_tasks: continue bb.build.deltask(task, d) - - if bb.data.inherits_class('reproducible_build', d) and 'do_unpack' in d.getVar("SRCTREECOVEREDTASKS").split(): - # The reproducible_build's create_source_date_epoch_stamp function must - # be run after the source is available and before the - # do_deploy_source_date_epoch task. In the normal case, it's attached - # to do_unpack as a postfuncs, but since we removed do_unpack (above) - # we need to move the function elsewhere. The easiest thing to do is - # move it into the prefuncs of the do_deploy_source_date_epoch task. - # This is safe, as externalsrc runs with the source already unpacked. - d.prependVarFlag('do_deploy_source_date_epoch', 'prefuncs', 'create_source_date_epoch_stamp ') + if bb.data.inherits_class('reproducible_build', d) and task == 'do_unpack': + # The reproducible_build's create_source_date_epoch_stamp function must + # be run after the source is available and before the + # do_deploy_source_date_epoch task. In the normal case, it's attached + # to do_unpack as a postfuncs, but since we removed do_unpack (above) + # we need to move the function elsewhere. The easiest thing to do is + # move it into the prefuncs of the do_deploy_source_date_epoch task. + # This is safe, as externalsrc runs with the source already unpacked. + d.prependVarFlag('do_deploy_source_date_epoch', 'prefuncs', 'create_source_date_epoch_stamp ') d.prependVarFlag('do_compile', 'prefuncs', "externalsrc_compile_prefunc ") d.prependVarFlag('do_configure', 'prefuncs', "externalsrc_configure_prefunc ") -- cgit 1.2.3-korg