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libice: fix non-deterministic libbsd dependency

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libice 1.0.9 added automatic detection of arc4random(), which is in libbsd on
Linux.  As this is automatic and leads to failing builds when ssstate is reused,
seed the autoconf cache as relevant to implement a PACKAGECONFIG for the
functionality.

Default to not using arc4random() as the fallback has been in use for many
years, but people interested in security may wish to turn this on to increase
the security of the X authentication cookies.

(From OE-Core rev: 71d5eb34678eafbcb0f8ff4c31d52a276949bb0c)

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Ross Burton
2014-07-24 20:47:08 +01:00
committed by Richard Purdie
parent 5f496b218a
commit 80cfdfec69
1 changed files with 3 additions and 0 deletions
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3
meta/recipes-graphics/xorg-lib/libice_1.0.9.bb
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@@ -22,3 +22,6 @@ BBCLASSEXTEND = "native"
SRC_URI[md5sum] = "addfb1e897ca8079531669c7c7711726"
SRC_URI[sha256sum] = "8f7032f2c1c64352b5423f6b48a8ebdc339cc63064af34d66a6c9aa79759e202"
PACKAGECONFIG ??= ""
PACKAGECONFIG[arc4] = "ac_cv_lib_bsd_arc4random_buf=yes,ac_cv_lib_bsd_arc4random_buf=no,libbsd"