An example we have right now: bitbake.conf: TCLIBC ?= "glibc" linux-distro.conf: TCLIBC = "musl"
TCLIBC="glibc" bitbake -e distro-image-base => TCLIBC == "musl" which confuses users a lot (and it was not working this way in dunfell). Same applies to if TCLIBC="glibc" is in conf/local.conf then musl is used. With linux-distro.conf : TCLIBC ?= "musl" image is build with "glibc" which is not that we want. With suggested changes: bitbake.conf: TCLIBC ??= "glibc" linux-distro.conf: TCLIBC ?= "musl" TCLIBC="glibc" bitbake -e distro-image-base => TCLIBC == "glibc" bitbake -e distro-image-base => TCLIBC == "musl" If distro maintainers wants they can set to TCLIBC = "<implementation>" and disable overriding explicitly. Do I miss something? "Martin Jansa" <[email protected]> writes: > You can always override it from local.conf with an override, right? That > always worked for me and I don't see why this change is needed. > > On Fri, Jun 3, 2022 at 8:42 AM Pavel Zhukov <[email protected]> wrote: > > This allows two level of overriding (distro level and local.conf/shell > variable). Previous settings blocked shell variables overring > if it was overriden on distro level. > > Signed-off-by: Pavel Zhukov <[email protected]> > --- > meta/conf/bitbake.conf | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf > index 0e939aca4f..2a3cf6f8aa 100644 > --- a/meta/conf/bitbake.conf > +++ b/meta/conf/bitbake.conf > @@ -386,8 +386,8 @@ FILESYSTEM_PERMS_TABLES ?= "${@'files/fs-perms.txt' if > oe.types.boolean(d.getVar > # General work and output directories for the build system. > ################################################################## > > -TCMODE ?= "default" > -TCLIBC ?= "glibc" > +TCMODE ??= "default" > +TCLIBC ??= "glibc" > TMPDIR ?= "${TOPDIR}/tmp" > > CACHE = "${TMPDIR}/cache/${TCMODE}-${TCLIBC}${@['', '/' + > str(d.getVar('MACHINE'))][bool(d.getVar('MACHINE'))]}${@['', '/' + > str(d.getVar > ('SDKMACHINE'))][bool(d.getVar('SDKMACHINE'))]}" > -- > 2.35.1 > > >
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