[OE-core] [PATCH v2][RFC] chrpath.bbclass: strip common parent directories from rpath
Saul Wold
sgw at linux.intel.com
Mon Jul 1 23:31:49 UTC 2013
On 03/05/2013 04:32 PM, Andreas Oberritter wrote:
>
> Allows to use shorter TMPDIRs in corner cases, e.g. with native
> perl modules, having a deep directory structure.
>
> The problem is that the original absolute rpath may be shorter
> than the newly generated relative rpath.
>
> The failing rpaths were '/ab/cde/tmp/sysroots/x86_64-linux/usr/lib'
> (old) and '$ORIGIN/../../../../../../../../../usr/lib' (new) for
> '/ab/cde/tmp/sysroots/x86_64-linux/usr/lib/perl-native/perl/5.14.3/auto/XML/Parser/Expat/Expat.so'
>
> The new rpath is '$ORIGIN/../../../../../../..'.
>
> The new code doesn't just compare libdir, because I guess it
> should also work if only parts of libdir share a parent directory
> with the binary.
>
> This patch also adds a check for len(basedir) > 0, because I think
> basedir is empty in the cross-compile case, in which case
> rpath.find(basedir) would always return 0, but I'm unsure whether
> I understood that part of the code correctly or not.
>
This seems to introduce a problem in slipt_and_strip_files
> ERROR: debugedit failed with exit code 127 (cmd was '/srv/ssd/sgw/builds/sec_flags/build/tmp/sysroots/x86_64-linux/usr/lib/rpm/bin/debugedit' -b '/srv/ssd/sgw/builds/sec_flags/build/tmp/work/i586-poky-linux' -d '/usr/src/debug' -i -l '/srv/ssd/sgw/builds/sec_flags/build/tmp/work/i586-poky-linux/eglibc/2.17-r3/debugsources.list' '/srv/ssd/sgw/builds/sec_flags/build/tmp/work/i586-poky-linux/eglibc/2.17-r3/package/usr/bin/locale')
> ERROR: Function failed: split_and_strip_files
> ERROR: Logfile of failure stored in: /srv/ssd/sgw/builds/sec_flags/build/tmp/work/i586-poky-linux/eglibc/2.17-r3/temp/log.do_package.26019
> ERROR: Task 27 (/srv/ssd/sgw/builds/sec_flags/meta/recipes-core/eglibc/eglibc_2.17.bb, do_package) failed with exit code '1'
That was seen with a clean build, no sstate.
Sau!
> [YOCTO #3989]
>
> Signed-off-by: Andreas Oberritter <obi at opendreambox.org>
> ---
> v2: Fixed reassembly of libpath
>
> meta/classes/chrpath.bbclass | 17 +++++++++++++++--
> 1 file changed, 15 insertions(+), 2 deletions(-)
>
> diff --git a/meta/classes/chrpath.bbclass b/meta/classes/chrpath.bbclass
> index 0c7ab77..454b587 100644
> --- a/meta/classes/chrpath.bbclass
> +++ b/meta/classes/chrpath.bbclass
> @@ -55,9 +55,22 @@ def process_dir (directory, d):
> rpath = os.path.normpath(rpath)
> # If the rpath shares a root with base_prefix determine a new dynamic rpath from the
> # base_prefix shared root
> - if rpath.find(basedir) != -1:
> - depth = fpath.partition(basedir)[2].count('/')
> + if len(basedir) > 0 and rpath.find(basedir) != -1:
> + relfpath = fpath.partition(basedir)[2].strip()
> libpath = rpath.partition(basedir)[2].strip()
> + depth = relfpath.count('/')
> + # Compare common parent directories to reduce the length of the new rpath.
> + # Ignore the first (empty) element.
> + libdirs = libpath.split('/')
> + relfdirs = relfpath.split('/')
> + nparents = 0
> + for i in range(1, min(len(libdirs), len(relfdirs))):
> + if libdirs[i] != relfdirs[i]:
> + break
> + nparents += 1
> + if nparents > 0:
> + libpath = '/' + '/'.join(libdirs[i:])
> + depth -= nparents
> # otherwise (i.e. cross packages) determine a shared root based on the TMPDIR
> # NOTE: This will not work reliably for cross packages, particularly in the case
> # where your TMPDIR is a short path (i.e. /usr/poky) as chrpath cannot insert an
>
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