On Mon, 2023-02-27 at 17:42 +0200, Ovidiu Panait wrote:
> The following scenario currently fails:
> git clone git://git.yoctoproject.org/poky
> cd poky; . oe-init-build-env
>
> add to local.conf:
> require conf/multilib.conf
> MACHINE = "qemuarm64"
> MULTILIBS = "multilib:lib32"
> DEFAULTTUNE:virtclass-multilib-lib32 = "armv7athf-neon"
>
> bitbake gcc-cross-canadian-arm
>
> update local.conf to force a rebuild:
> GCCPIE = "--disable-default-pie"
>
> bitbake gcc-cross-canadian-arm
>
> Failure log:
> The stack trace of python calls that resulted in this exception/failure was:
> File: 'exec_func_python() autogenerated', lineno: 2, function: <module>
> 0001:
> *** 0002:extend_recipe_sysroot(d)
> 0003:
> File: 'poky/meta/classes-global/staging.bbclass', lineno: 164, function:
> staging_copyfile
> 0160: os.symlink(linkto, dest)
> 0161: #bb.warn(c)
> 0162: else:
> 0163: try:
> *** 0164: os.link(c, dest)
> 0165: except OSError as err:
> 0166: if err.errno == errno.EXDEV:
> 0167: bb.utils.copyfile(c, dest)
> 0168: else:
> Exception: FileExistsError: [Errno 17] File exists:
> 'poky/build/tmp/sysroots-components/armv7at2hf-neon/lib32-linux-libc-headers/usr/include/asm/byteorder-32.h'
> ->
> 'poky/build/tmp/work/x86_64-nativesdk-pokysdk-linux/gcc-cross-canadian-arm/12.2.0-r0/recipe-sysroot/usr/include/asm/byteorder-32.h'
>
> In this particular case, the paths in lib32-linux-libc-headers manifest file
> are prefixed with lib32-recipe-sysroot:
> $ cat build/tmp/sysroots-components/manifests/lib32-linux-libc-headers.xxx
> lib32-recipe-sysroot/usr/include/asm/byteorder-32.h
> lib32-recipe-sysroot/usr/include/asm/sigcontext-32.h
> ...
>
> When gcc-cross-canadian-arm is built, the actual files get copied to
> recipe-sysroot directory during do_prepare_recipe_sysroot().
>
> Because of this mismatch, on rebuild, sstate_clean_manifest() will not clean
> the files in recipe-sysroot, but will instead try to delete the non-existent
> files in lib32-recipe-sysroot. This will trigger the FileExists errors later.
>
> Add checks in sstate_clean_manifest() for this corner case, so that
> RECIPE_SYSROOT gets cleaned up properly.
>
> This fixes BZ#15045.
>
> Signed-off-by: Ovidiu Panait <ovidiu.pan...@eng.windriver.com>
> ---
> meta/classes-global/sstate.bbclass | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/meta/classes-global/sstate.bbclass
> b/meta/classes-global/sstate.bbclass
> index af93546b04..edf5c7fb65 100644
> --- a/meta/classes-global/sstate.bbclass
> +++ b/meta/classes-global/sstate.bbclass
> @@ -529,9 +529,20 @@ def sstate_clean_manifest(manifest, d, canrace=False,
> prefix=None):
> entries = mfile.readlines()
> mfile.close()
>
> + recipe_sysroot = d.getVar("RECIPE_SYSROOT").rstrip("/").rsplit('/',
> 1)[-1]
> +
> for entry in entries:
> sstate_clean_entry(entry, canrace, prefix)
>
> + # The sysroot directory stored in the manifest file might not be the
> + # same as RECIPE_SYSROOT, so the real sysroot will not be properly
> + # cleaned up on rebuild. Handle the cleanup here in order to avoid
> + # "File exists" errors during do_prepare_recipe_sysroot().
> + manifest_sysroot = entry.split("/", 1)[0] or None
> + if manifest_sysroot and manifest_sysroot != recipe_sysroot and not
> manifest_sysroot.endswith("-native"):
> + sysroot_entry = recipe_sysroot + "/" + entry.split("/", 1)[1]
> + sstate_clean_entry(sysroot_entry, canrace, prefix)
> +
> postrm = manifest + ".postrm"
> if os.path.exists(manifest + ".postrm"):
> import subprocess
How many recipe-sysroots are there for gcc-cross-canadian-arm ? This
feels like a workaround for some other issue which should probably be
fixed properly instead?
Cheers,
Richard
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