On Wed, 9 Jul 2014, Richard Purdie wrote:

On Wed, 2014-07-09 at 12:08 +0300, Roxana Ciobanu wrote:
    Changes to ROOTFS_POSTPROCESS_COMMAND require the rootfs
    for the image to be rebuilt.

    [YOCTO #6502]

Signed-off-by: Roxana Ciobanu <roxana.ciob...@intel.com>
---
 meta/classes/image.bbclass | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
index a03b880..e088bdb 100644
--- a/meta/classes/image.bbclass
+++ b/meta/classes/image.bbclass
@@ -75,7 +75,7 @@ LDCONFIGDEPEND_libc-musl = ""
 do_rootfs[depends] += "makedevs-native:do_populate_sysroot 
virtual/fakeroot-native:do_populate_sysroot ${LDCONFIGDEPEND}"
 do_rootfs[depends] += "virtual/update-alternatives-native:do_populate_sysroot 
update-rc.d-native:do_populate_sysroot"
 do_rootfs[recrdeptask] += "do_packagedata"
-do_rootfs[vardeps] += "BAD_RECOMMENDATIONS NO_RECOMMENDATIONS"
+do_rootfs[vardeps] += "BAD_RECOMMENDATIONS NO_RECOMMENDATIONS 
ROOTFS_POSTPROCESS_COMMAND"

 do_build[depends] += "virtual/kernel:do_deploy"

Are there other variables we look at in the rootfs process we also need
to list here?

As background, the move to lib/oe has moved the variables outside the
scope of bitbake's function parsing code so we need to handle that
manually now...


I was hit by this recently, and talked to kergoth on IRC about it.
As he suggested, perhaps we should also do

ROOTFS_POSTPROCESS_COMMAND[func] = "1"

to inform bitbake that it is a shell script, so that it invokes its shell dependency parsing. I would guess most people add a function, and append this to ROOTFS_POSTPROCESS_COMMAND. Without marking it as a function, changes in the actual function body would not trigger rootfs rebuilds.

/Jacob
--
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