From: Chen Qi <qi.c...@windriver.com>
This patch is to ensure recipes get rebuilt correctly and avoid
incorrect sstate cache reuse when toggling multilib.
The following steps show one example of such incorrect sstate cache reuse.
1. enable multilib && bitbake <some_image> -c populate_sdk
2. disable multilib && bitbake <some_image> -c populate_sdk
The error message is as below:
Error:
Problem: conflicting requests
- nothing provides binutils-cross-canadian-i686 needed by
packagegroup-cross-canadian-intel-x86-64-1.0-r0.x86_64_nativesdk
- nothing provides gcc-cross-canadian-i686 needed by
packagegroup-cross-canadian-intel-x86-64-1.0-r0.x86_64_nativesdk
- nothing provides gdb-cross-canadian-i686 needed by
packagegroup-cross-canadian-intel-x86-64-1.0-r0.x86_64_nativesdk
(try to add '--skip-broken' to skip uninstallable packages)
We get this error because packagegroup-cross-canadian recipe is
not rebuilt when it should be.
Current codes have tracked the dependency to MULTILIB_VARIANTS, as
shown in the following chain:
RDEPENDS:packagegroup-cross-canadian-intel-x86-64 ->
all_multilib_tune_values -> MULTILIB_VARIANTS.
However, MULTILIB_VARIANTS cannot automatically depend on MULTILIBS.
See some results from 'bitbake-dumpsigs' below:
List of dependencies for variable MULTILIB_VARIANTS is ['extend_variants']
Variable MULTILIB_VARIANTS value is
${@extend_variants(d,'MULTILIBS','multilib')}
It's obvious that the value of MULTILIB_VARIANTS depend on the
value of MULTILIBS, so let's set this dependency manually.
Signed-off-by: Chen Qi <qi.c...@windriver.com>
---
meta/conf/multilib.conf | 1 +
1 file changed, 1 insertion(+)
diff --git a/meta/conf/multilib.conf b/meta/conf/multilib.conf
index 7f3b9463ef..ef3605a73d 100644
--- a/meta/conf/multilib.conf
+++ b/meta/conf/multilib.conf
@@ -2,6 +2,7 @@
baselib = "${@d.getVar('BASE_LIB:tune-' + (d.getVar('DEFAULTTUNE') or
'INVALID')) or d.getVar('BASELIB')}"
MULTILIB_VARIANTS = "${@extend_variants(d,'MULTILIBS','multilib')}"
+MULTILIB_VARIANTS[vardeps] += "MULTILIBS"
MULTILIB_SAVE_VARNAME = "DEFAULTTUNE TARGET_ARCH TARGET_SYS TARGET_VENDOR"
MULTILIBS ??= "multilib:lib32"
--
2.34.1
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