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package/keyutils: disable on avr32 & microblaze

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keyutils builds on neither avr32, nor microblaze (probably because
the toolchains used for those archictectures are way too old), with:

    ..../microblazeel-unknown-linux-gnu-gcc -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
    -D_FILE_OFFSET_BITS=64 -I. -DPKGBUILD="\"2012-12-27\"" -DPKGVERSION="\"keyutils-1.5.5\""
    -DAPIVERSION="\"libkeyutils-1.4\"" -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
    -D_FILE_OFFSET_BITS=64  -pipe -Os  -g -Wall -Werror -UNO_GLIBC_KEYERR -o keyutils.o -c keyutils.c
    cc1: warnings being treated as errors
    key.dns_resolver.c: In function 'main':
    key.dns_resolver.c:690: warning: dereferencing type-punned pointer will break strict-aliasing rules

Fixing with -fno-strict-aliasing only partially solves the issue for these
two archs, since the C library does not export the resolver symbols so the
link fails down the road...
  - on microblaze, glibc-2.3.6 is tool old and does not set these symbols
    as GLOBALs;
  - on avr32, uClibc does not have these symbols.

It is much more easy to just disable keyutils for avr32 and microblaze.

Fixes both (avr2, microblaze):
    http://autobuild.buildroot.net/results/aa86f6a68f5d0ea4914ab259ed270615bc9d6a99/
    http://autobuild.buildroot.net/results/70ae127a6e353fd5c64c0c3b4e19a2e93d54ce52/

Merry X-Mas!

PS. Thanks Richard for the help understanding those issues.

Cc: Richard Braun <rbraun@sceen.net>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Yann E. MORIN
2012-12-27 13:20:36 +00:00
committed by Peter Korsgaard
parent fc0d1be16b
commit 20e0926f44
1 changed files with 1 additions and 0 deletions
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1
package/keyutils/Config.in
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@@ -1,5 +1,6 @@
config BR2_PACKAGE_KEYUTILS
bool "keyutils"
depends on !BR2_avr32 && !BR2_microblaze
help
These tools are used to control the key management system
built into the Linux kernel.