On 17/08/2016 16:01, Robert P. J. Day wrote:
as in, what's with the "+" in that "+ 3000000" value? i've never
seen that before, and i took a quick look under classes/ to try to
figure out what's happening, but i'm still confused.
you're reading too much into this
"+ 3000000" will append the string "+ 3000000" to the string contained
in the IMAGE_ROOTFS_EXTRA_SPACE variable
I am not sure who consumes that variable, but I assume it's something
that's able to do math and will properly compute the final value.
you can always run "bitbake -e core-image-kernel-dev" in a pager an look
at the final value to see what's happening...
this is all in aid of the aforementioned "+=" cleanup, and i can see
some inconsistency as to whether there should be a leading space or
not in the assigned value:
classes/rootfs_rpm.bbclass:IMAGE_ROOTFS_EXTRA_SPACE_append = "${@bb.utils.contains("PACKAGE_INSTALL",
"smartpm", " + 102400", "" ,d)}"
recipes-core/images/core-image-minimal.bb:IMAGE_ROOTFS_EXTRA_SPACE_append =
"${@bb.utils.contains("DISTRO_FEATURES", "systemd", " + 4096", "" ,d)}"
recipes-extended/images/core-image-kernel-dev.bb:IMAGE_ROOTFS_EXTRA_SPACE_append +=
"+ 3000000"
and the YP reference manual says nothing about a possible "+":
http://www.yoctoproject.org/docs/latest/ref-manual/ref-manual.html#var-IMAGE_ROOTFS_EXTRA_SPACE
rday
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