Patchwork libice: fix non-deterministic libbsd dependency

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Submitter Ross Burton
Date July 24, 2014, 7:47 p.m.
Message ID <>
Download mbox | patch
Permalink /patch/76615/
State New
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Ross Burton - July 24, 2014, 7:47 p.m.
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

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.

Signed-off-by: Ross Burton <>
 meta/recipes-graphics/xorg-lib/ |    3 +++
 1 file changed, 3 insertions(+)


diff --git a/meta/recipes-graphics/xorg-lib/ b/meta/recipes-graphics/xorg-lib/
index 314d281..c55f5a1 100644
--- a/meta/recipes-graphics/xorg-lib/
+++ b/meta/recipes-graphics/xorg-lib/
@@ -22,3 +22,6 @@  BBCLASSEXTEND = "native"
 SRC_URI[md5sum] = "addfb1e897ca8079531669c7c7711726"
 SRC_URI[sha256sum] = "8f7032f2c1c64352b5423f6b48a8ebdc339cc63064af34d66a6c9aa79759e202"
+PACKAGECONFIG[arc4] = "ac_cv_lib_bsd_arc4random_buf=yes,ac_cv_lib_bsd_arc4random_buf=no,libbsd"