Patchwork bitbake.conf: Exclude MACHINE from OVERRIDES variable dependency list

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Submitter Richard Purdie
Date Oct. 10, 2011, 2:06 p.m.
Message ID <1318255623.23801.31.camel@ted>
Download mbox | patch
Permalink /patch/12973/
State New, archived
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Comments

Richard Purdie - Oct. 10, 2011, 2:06 p.m.
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
Koen Kooi - Oct. 10, 2011, 3:02 p.m.
Op 10 okt. 2011, om 16:06 heeft Richard Purdie het volgende geschreven:

> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
> ---
> diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
> index a1420cf..11d76b8 100644
> --- a/meta/conf/bitbake.conf
> +++ b/meta/conf/bitbake.conf
> @@ -669,6 +669,7 @@ AUTO_LIBNAME_PKGS = "${PACKAGES}"
> OVERRIDES = "${TARGET_OS}:${TARGET_ARCH}:build-${BUILD_OS}:pn-${PN}:${MACHINEOVERRIDES}:${DISTROOVERRIDES}:forcevariable"
> DISTROOVERRIDES ?= "${DISTRO}"
> MACHINEOVERRIDES ?= "${MACHINE}"
> +OVERRIDES[vardepsexclude] = "MACHINE"
> 
> CPU_FEATURES ?= ""
> CPU_FEATURES_arm ?= "vfp"


MACHINE=omap4430-panda bitbake bash -c cleansstate
MACHINE=beagleboard bitbake bash
MACHINE=omap4430-panda bitbake bash

It fully built bash in both case, the diffsig sleuthing I was able to do:

koen@dominion:/OE/tentacle/build/tmp-angstrom_2010_x-eglibc/stamps/armv7a-angstrom-linux-gnueabi$ ls | grep bash | grep sigdata | sort
bash-4.1-r2.do_cleansstate.sigdata.dade34525ff3d7567b7e86b24a36307b
bash-4.1-r2.do_fetch.sigdata.15f6bc3de53f1de78303e73688c4f340
bash-4.1-r2.do_unpack.sigdata.980bf1d8267fee1ac36b68c96c4f268c
bash-4.1-r2.do_patch.sigdata.0185f3c332733ffa162bc38244f2f0b4
bash-4.1-r2.do_configure.sigdata.4527bef6d2e22f73a51628c2ac5e7d4e
bash-4.1-r2.do_compile.sigdata.d5cb0399ec5f76911c78cfc99a05663a
bash-4.1-r2.do_install.sigdata.b1781f7a0718ba9922a970820d565455
bash-4.1-r2.do_package.sigdata.2a38d9a1a086e31e620321c1b346514f
bash-4.1-r2.do_package.sigdata.4c4f326e3ba2029d207aca186c9ea332
bash-4.1-r2.do_package_write_ipk.sigdata.191dbf64100c3b552a86c361a07e134f
bash-4.1-r2.do_populate_sysroot.sigdata.1643e8bfc8905ff3f269b8ca40d16d17
bash-4.1-r2.do_rm_work_all.sigdata.25cbc1786f8d193c1569e77497d098af
bash-4.1-r2.do_rm_work_all.sigdata.d019b1e392601856aa407615da0c54af
bash-4.1-r2.do_rm_work.sigdata.1453d491285d51b9a88a913bcc6cc72c
bash-4.1-r2.do_rm_work.sigdata.b8f0f9e26355b721638b66069ad83e4e
bash-4.1-r2.do_populate_lic.sigdata.c7c785ae2f366e5a0d8bea4e144e43d0

koen@dominion:/OE/tentacle/build/tmp-angstrom_2010_x-eglibc/stamps/armv7a-angstrom-linux-gnueabi$ bitbake-diffsigs bash-4.1-r2.do_package.sigdata.2a38d9a1a086e31e620321c1b346514f bash-4.1-r2.do_package.sigdata.4c4f326e3ba2029d207aca186c9ea332
basehash changed from da302dbd386f214d39fbd6fb01267c8d to 1b439cf1d8c12894e96e96b299a27c12
Variable MACHINE value changed from beagleboard to omap4430-panda
Hash for dependent task /OE/tentacle/sources/openembedded-core/meta/recipes-devtools/libtool/libtool-cross_2.4.bb.do_package changed from 98213433ce27776be6f1aa236cbcb6d6 to 49add8f8b038b933aa29dd5d90f06c5b
Hash for dependent task virtual:native:/OE/tentacle/sources/openembedded-core/meta/recipes-devtools/autoconf/autoconf_2.68.bb.do_package changed from dd35fff900f7fd369bbb9eb360308c38 to beef6d088d6d3fff588e78a87a4a4380
Hash for dependent task virtual:native:/OE/tentacle/sources/openembedded-core/meta/recipes-core/gettext/gettext_0.18.1.1.bb.do_package changed from 30e0a0e6c69119f07c8d1a0d697a86e9 to 2087c79a461c2b312b7c988b29e7cb2d
Hash for dependent task virtual:native:/OE/tentacle/sources/openembedded-core/meta/recipes-devtools/gnu-config/gnu-config_20080123.bb.do_package changed from 017db30f24324e1d2db3ca2b664b68cc to 411dfae70ffa50f8b52a2d9a07948c91
Hash for dependent task /OE/tentacle/sources/openembedded-core/meta/recipes-core/gettext/gettext_0.18.1.1.bb.do_package changed from 035d53ae6aa5c89a0272671f28214949 to b160afaacda3f764244c16dfa4455cf0
Hash for dependent task virtual:native:/OE/tentacle/sources/openembedded-core/meta/recipes-devtools/automake/automake_1.11.1.bb.do_package changed from feb06b92c7f806cfe8fc24e1914c0047 to 45f0207af62a6142d66da0692f3d6121
Hash for dependent task /OE/tentacle/sources/meta-openembedded/meta-oe/recipes-core/eglibc/eglibc_2.12.bb.do_package changed from 04dcab1d3d0c51bdb6c415c8a2b9ff54 to c23a8d2301faed76bbb7be8883a9aa88
Hash for dependent task /OE/tentacle/sources/meta-openembedded/meta-oe/recipes-devtools/gcc/gcc-cross_4.5.bb.do_package changed from 8666b64d68eb05e4060759f0a6a4db5e to 183f985ad016d9eecf65a117df3b5ef2
Hash for dependent task virtual:native:/OE/tentacle/sources/openembedded-core/meta/recipes-devtools/bison/bison_2.5.bb.do_package changed from b8a24af74efee0ca32c2cb8e2b8d14e3 to d3b72610abb4dba152942df5f2455665
Hash for dependent task /OE/tentacle/sources/openembedded-core/meta/recipes-devtools/libtool/libtool-native_2.4.bb.do_package changed from 03ef6e8d51de68fe2f59511a286e6039 to c3e0e363794b7f783b436ac974a1343c
Hash for dependent task /OE/tentacle/sources/meta-openembedded/meta-oe/recipes-devtools/gcc/gcc-runtime_4.5.bb.do_package changed from e377698b3e70352a515f783e416c9506 to ca985e80d151e9ccded4caff4c462fa6
Hash for dependent task /OE/tentacle/sources/openembedded-core/meta/recipes-core/ncurses/ncurses_5.9.bb.do_package changed from 7975ab7832c91d8d2d62136fa16c7c4d to 7177629405a668b2cab828455c418302
Richard Purdie - Oct. 10, 2011, 3:40 p.m.
On Mon, 2011-10-10 at 17:02 +0200, Koen Kooi wrote:
> Op 10 okt. 2011, om 16:06 heeft Richard Purdie het volgende geschreven:
> 
> > Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
> > ---
> > diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
> > index a1420cf..11d76b8 100644
> > --- a/meta/conf/bitbake.conf
> > +++ b/meta/conf/bitbake.conf
> > @@ -669,6 +669,7 @@ AUTO_LIBNAME_PKGS = "${PACKAGES}"
> > OVERRIDES = "${TARGET_OS}:${TARGET_ARCH}:build-${BUILD_OS}:pn-${PN}:${MACHINEOVERRIDES}:${DISTROOVERRIDES}:forcevariable"
> > DISTROOVERRIDES ?= "${DISTRO}"
> > MACHINEOVERRIDES ?= "${MACHINE}"
> > +OVERRIDES[vardepsexclude] = "MACHINE"
> > 
> > CPU_FEATURES ?= ""
> > CPU_FEATURES_arm ?= "vfp"
> 
> 
> MACHINE=omap4430-panda bitbake bash -c cleansstate
> MACHINE=beagleboard bitbake bash
> MACHINE=omap4430-panda bitbake bash
> 
> It fully built bash in both case, the diffsig sleuthing I was able to do:
> 
> koen@dominion:/OE/tentacle/build/tmp-angstrom_2010_x-eglibc/stamps/armv7a-angstrom-linux-gnueabi$ ls | grep bash | grep sigdata | sort
> bash-4.1-r2.do_cleansstate.sigdata.dade34525ff3d7567b7e86b24a36307b
> bash-4.1-r2.do_fetch.sigdata.15f6bc3de53f1de78303e73688c4f340
> bash-4.1-r2.do_unpack.sigdata.980bf1d8267fee1ac36b68c96c4f268c
> bash-4.1-r2.do_patch.sigdata.0185f3c332733ffa162bc38244f2f0b4
> bash-4.1-r2.do_configure.sigdata.4527bef6d2e22f73a51628c2ac5e7d4e
> bash-4.1-r2.do_compile.sigdata.d5cb0399ec5f76911c78cfc99a05663a
> bash-4.1-r2.do_install.sigdata.b1781f7a0718ba9922a970820d565455
> bash-4.1-r2.do_package.sigdata.2a38d9a1a086e31e620321c1b346514f
> bash-4.1-r2.do_package.sigdata.4c4f326e3ba2029d207aca186c9ea332
> bash-4.1-r2.do_package_write_ipk.sigdata.191dbf64100c3b552a86c361a07e134f
> bash-4.1-r2.do_populate_sysroot.sigdata.1643e8bfc8905ff3f269b8ca40d16d17
> bash-4.1-r2.do_rm_work_all.sigdata.25cbc1786f8d193c1569e77497d098af
> bash-4.1-r2.do_rm_work_all.sigdata.d019b1e392601856aa407615da0c54af
> bash-4.1-r2.do_rm_work.sigdata.1453d491285d51b9a88a913bcc6cc72c
> bash-4.1-r2.do_rm_work.sigdata.b8f0f9e26355b721638b66069ad83e4e
> bash-4.1-r2.do_populate_lic.sigdata.c7c785ae2f366e5a0d8bea4e144e43d0
> 
> koen@dominion:/OE/tentacle/build/tmp-angstrom_2010_x-eglibc/stamps/armv7a-angstrom-linux-gnueabi$ bitbake-diffsigs bash-4.1-r2.do_package.sigdata.2a38d9a1a086e31e620321c1b346514f bash-4.1-r2.do_package.sigdata.4c4f326e3ba2029d207aca186c9ea332
> basehash changed from da302dbd386f214d39fbd6fb01267c8d to 1b439cf1d8c12894e96e96b299a27c12
> Variable MACHINE value changed from beagleboard to omap4430-panda

So this tells us what changed but it doesn't tell us why its being
depended upon. Could you share the output of:

/OE/tentacle/build/tmp-angstrom_2010_x-eglibc/stamps/armv7a-angstrom-linux-gnueabi$ bitbake-diffsigs bash-4.1-r2.do_package.sigdata.2a38d9a1a086e31e620321c1b346514f 

please so we can see why bash is depending on MACHINE?

Cheers,

Richard
Koen Kooi - Oct. 10, 2011, 3:53 p.m.
Op 10 okt. 2011, om 17:40 heeft Richard Purdie het volgende geschreven:

> On Mon, 2011-10-10 at 17:02 +0200, Koen Kooi wrote:
>> Op 10 okt. 2011, om 16:06 heeft Richard Purdie het volgende geschreven:
>> 
>>> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
>>> ---
>>> diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
>>> index a1420cf..11d76b8 100644
>>> --- a/meta/conf/bitbake.conf
>>> +++ b/meta/conf/bitbake.conf
>>> @@ -669,6 +669,7 @@ AUTO_LIBNAME_PKGS = "${PACKAGES}"
>>> OVERRIDES = "${TARGET_OS}:${TARGET_ARCH}:build-${BUILD_OS}:pn-${PN}:${MACHINEOVERRIDES}:${DISTROOVERRIDES}:forcevariable"
>>> DISTROOVERRIDES ?= "${DISTRO}"
>>> MACHINEOVERRIDES ?= "${MACHINE}"
>>> +OVERRIDES[vardepsexclude] = "MACHINE"
>>> 
>>> CPU_FEATURES ?= ""
>>> CPU_FEATURES_arm ?= "vfp"
>> 
>> 
>> MACHINE=omap4430-panda bitbake bash -c cleansstate
>> MACHINE=beagleboard bitbake bash
>> MACHINE=omap4430-panda bitbake bash
>> 
>> It fully built bash in both case, the diffsig sleuthing I was able to do:
>> 
>> koen@dominion:/OE/tentacle/build/tmp-angstrom_2010_x-eglibc/stamps/armv7a-angstrom-linux-gnueabi$ ls | grep bash | grep sigdata | sort
>> bash-4.1-r2.do_cleansstate.sigdata.dade34525ff3d7567b7e86b24a36307b
>> bash-4.1-r2.do_fetch.sigdata.15f6bc3de53f1de78303e73688c4f340
>> bash-4.1-r2.do_unpack.sigdata.980bf1d8267fee1ac36b68c96c4f268c
>> bash-4.1-r2.do_patch.sigdata.0185f3c332733ffa162bc38244f2f0b4
>> bash-4.1-r2.do_configure.sigdata.4527bef6d2e22f73a51628c2ac5e7d4e
>> bash-4.1-r2.do_compile.sigdata.d5cb0399ec5f76911c78cfc99a05663a
>> bash-4.1-r2.do_install.sigdata.b1781f7a0718ba9922a970820d565455
>> bash-4.1-r2.do_package.sigdata.2a38d9a1a086e31e620321c1b346514f
>> bash-4.1-r2.do_package.sigdata.4c4f326e3ba2029d207aca186c9ea332
>> bash-4.1-r2.do_package_write_ipk.sigdata.191dbf64100c3b552a86c361a07e134f
>> bash-4.1-r2.do_populate_sysroot.sigdata.1643e8bfc8905ff3f269b8ca40d16d17
>> bash-4.1-r2.do_rm_work_all.sigdata.25cbc1786f8d193c1569e77497d098af
>> bash-4.1-r2.do_rm_work_all.sigdata.d019b1e392601856aa407615da0c54af
>> bash-4.1-r2.do_rm_work.sigdata.1453d491285d51b9a88a913bcc6cc72c
>> bash-4.1-r2.do_rm_work.sigdata.b8f0f9e26355b721638b66069ad83e4e
>> bash-4.1-r2.do_populate_lic.sigdata.c7c785ae2f366e5a0d8bea4e144e43d0
>> 
>> koen@dominion:/OE/tentacle/build/tmp-angstrom_2010_x-eglibc/stamps/armv7a-angstrom-linux-gnueabi$ bitbake-diffsigs bash-4.1-r2.do_package.sigdata.2a38d9a1a086e31e620321c1b346514f bash-4.1-r2.do_package.sigdata.4c4f326e3ba2029d207aca186c9ea332
>> basehash changed from da302dbd386f214d39fbd6fb01267c8d to 1b439cf1d8c12894e96e96b299a27c12
>> Variable MACHINE value changed from beagleboard to omap4430-panda
> 
> So this tells us what changed but it doesn't tell us why its being
> depended upon. Could you share the output of:
> 
> /OE/tentacle/build/tmp-angstrom_2010_x-eglibc/stamps/armv7a-angstrom-linux-gnueabi$ bitbake-diffsigs bash-4.1-r2.do_package.sigdata.2a38d9a1a086e31e620321c1b346514f 
> 
> please so we can see why bash is depending on MACHINE?

More than 2500 lines:

http://dominion.thruhere.net/koen/angstrom/diffsigs.txt

Some grepping shows:

List of dependencies for variable OVERRIDES is set(['OVERRIDE_INTERWORK', 'OVERRIDE_THUMB', 'DISTROOVERRIDES', 'TARGET_ARCH', 'BUILD_OS', 'PN', 'TARGET_OS', 'MACHINEOVERRIDES'])
List of dependencies for variable MACHINE is set([])
List of dependencies for variable MACHINEOVERRIDES is set(['MACHINE', 'SOC_FAMILY', 'FEED_ARCH'])
Variable OVERRIDES value is ${OVERRIDE_THUMB}${OVERRIDE_INTERWORK}${TARGET_OS}:${TARGET_ARCH}:build-${BUILD_OS}:pn-${PN}:${MACHINEOVERRIDES}:${DISTROOVERRIDES}:forcevariable${@bb.utils.contains("TUNE_FEATURES", "thumb", ":thumb", "", d)}${@bb.utils.contains("TUNE_FEATURES", "no-thumb-interwork", ":thumb-interwork", "", d)}:libc-glibc:libc-glibc
Variable MACHINE value is omap4430-panda
Variable MACHINEOVERRIDES value is ${MACHINE}:${@bb.data.getVar('FEED_ARCH', d,1).replace('all','noarch')}:${SOC_FAMILY}

So does MACHINEOVERRIDES need to get whitelisted as well?
Richard Purdie - Oct. 10, 2011, 8:41 p.m.
On Mon, 2011-10-10 at 17:53 +0200, Koen Kooi wrote:
> Op 10 okt. 2011, om 17:40 heeft Richard Purdie het volgende geschreven:
> 
> > On Mon, 2011-10-10 at 17:02 +0200, Koen Kooi wrote:
> >> Op 10 okt. 2011, om 16:06 heeft Richard Purdie het volgende geschreven:
> >> 
> >>> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
> >>> ---
> >>> diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
> >>> index a1420cf..11d76b8 100644
> >>> --- a/meta/conf/bitbake.conf
> >>> +++ b/meta/conf/bitbake.conf
> >>> @@ -669,6 +669,7 @@ AUTO_LIBNAME_PKGS = "${PACKAGES}"
> >>> OVERRIDES = "${TARGET_OS}:${TARGET_ARCH}:build-${BUILD_OS}:pn-${PN}:${MACHINEOVERRIDES}:${DISTROOVERRIDES}:forcevariable"
> >>> DISTROOVERRIDES ?= "${DISTRO}"
> >>> MACHINEOVERRIDES ?= "${MACHINE}"
> >>> +OVERRIDES[vardepsexclude] = "MACHINE"
> >>> 
> >>> CPU_FEATURES ?= ""
> >>> CPU_FEATURES_arm ?= "vfp"
> >> 
> >> 
> >> MACHINE=omap4430-panda bitbake bash -c cleansstate
> >> MACHINE=beagleboard bitbake bash
> >> MACHINE=omap4430-panda bitbake bash
> >> 
> >> It fully built bash in both case, the diffsig sleuthing I was able to do:
> >> 
> >> koen@dominion:/OE/tentacle/build/tmp-angstrom_2010_x-eglibc/stamps/armv7a-angstrom-linux-gnueabi$ ls | grep bash | grep sigdata | sort
> >> bash-4.1-r2.do_cleansstate.sigdata.dade34525ff3d7567b7e86b24a36307b
> >> bash-4.1-r2.do_fetch.sigdata.15f6bc3de53f1de78303e73688c4f340
> >> bash-4.1-r2.do_unpack.sigdata.980bf1d8267fee1ac36b68c96c4f268c
> >> bash-4.1-r2.do_patch.sigdata.0185f3c332733ffa162bc38244f2f0b4
> >> bash-4.1-r2.do_configure.sigdata.4527bef6d2e22f73a51628c2ac5e7d4e
> >> bash-4.1-r2.do_compile.sigdata.d5cb0399ec5f76911c78cfc99a05663a
> >> bash-4.1-r2.do_install.sigdata.b1781f7a0718ba9922a970820d565455
> >> bash-4.1-r2.do_package.sigdata.2a38d9a1a086e31e620321c1b346514f
> >> bash-4.1-r2.do_package.sigdata.4c4f326e3ba2029d207aca186c9ea332
> >> bash-4.1-r2.do_package_write_ipk.sigdata.191dbf64100c3b552a86c361a07e134f
> >> bash-4.1-r2.do_populate_sysroot.sigdata.1643e8bfc8905ff3f269b8ca40d16d17
> >> bash-4.1-r2.do_rm_work_all.sigdata.25cbc1786f8d193c1569e77497d098af
> >> bash-4.1-r2.do_rm_work_all.sigdata.d019b1e392601856aa407615da0c54af
> >> bash-4.1-r2.do_rm_work.sigdata.1453d491285d51b9a88a913bcc6cc72c
> >> bash-4.1-r2.do_rm_work.sigdata.b8f0f9e26355b721638b66069ad83e4e
> >> bash-4.1-r2.do_populate_lic.sigdata.c7c785ae2f366e5a0d8bea4e144e43d0
> >> 
> >> koen@dominion:/OE/tentacle/build/tmp-angstrom_2010_x-eglibc/stamps/armv7a-angstrom-linux-gnueabi$ bitbake-diffsigs bash-4.1-r2.do_package.sigdata.2a38d9a1a086e31e620321c1b346514f bash-4.1-r2.do_package.sigdata.4c4f326e3ba2029d207aca186c9ea332
> >> basehash changed from da302dbd386f214d39fbd6fb01267c8d to 1b439cf1d8c12894e96e96b299a27c12
> >> Variable MACHINE value changed from beagleboard to omap4430-panda
> > 
> > So this tells us what changed but it doesn't tell us why its being
> > depended upon. Could you share the output of:
> > 
> > /OE/tentacle/build/tmp-angstrom_2010_x-eglibc/stamps/armv7a-angstrom-linux-gnueabi$ bitbake-diffsigs bash-4.1-r2.do_package.sigdata.2a38d9a1a086e31e620321c1b346514f 
> > 
> > please so we can see why bash is depending on MACHINE?
> 
> More than 2500 lines:
> 
> http://dominion.thruhere.net/koen/angstrom/diffsigs.txt
> 
> Some grepping shows:
> 
> List of dependencies for variable OVERRIDES is set(['OVERRIDE_INTERWORK', 'OVERRIDE_THUMB', 'DISTROOVERRIDES', 'TARGET_ARCH', 'BUILD_OS', 'PN', 'TARGET_OS', 'MACHINEOVERRIDES'])
> List of dependencies for variable MACHINE is set([])
> List of dependencies for variable MACHINEOVERRIDES is set(['MACHINE', 'SOC_FAMILY', 'FEED_ARCH'])
> Variable OVERRIDES value is ${OVERRIDE_THUMB}${OVERRIDE_INTERWORK}${TARGET_OS}:${TARGET_ARCH}:build-${BUILD_OS}:pn-${PN}:${MACHINEOVERRIDES}:${DISTROOVERRIDES}:forcevariable${@bb.utils.contains("TUNE_FEATURES", "thumb", ":thumb", "", d)}${@bb.utils.contains("TUNE_FEATURES", "no-thumb-interwork", ":thumb-interwork", "", d)}:libc-glibc:libc-glibc
> Variable MACHINE value is omap4430-panda
> Variable MACHINEOVERRIDES value is ${MACHINE}:${@bb.data.getVar('FEED_ARCH', d,1).replace('all','noarch')}:${SOC_FAMILY}
> 
> So does MACHINEOVERRIDES need to get whitelisted as well?

I suspect so, yes. My patch shouldn't have really worked at all :/.

Cheers,

Richard

Patch

diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index a1420cf..11d76b8 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -669,6 +669,7 @@  AUTO_LIBNAME_PKGS = "${PACKAGES}"
 OVERRIDES = "${TARGET_OS}:${TARGET_ARCH}:build-${BUILD_OS}:pn-${PN}:${MACHINEOVERRIDES}:${DISTROOVERRIDES}:forcevariable"
 DISTROOVERRIDES ?= "${DISTRO}"
 MACHINEOVERRIDES ?= "${MACHINE}"
+OVERRIDES[vardepsexclude] = "MACHINE"
 
 CPU_FEATURES ?= ""
 CPU_FEATURES_arm ?= "vfp"