[Bug 208757] games/edge: Fix build with libc++ 3.8.0
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Tue Apr 12 20:12:10 UTC 2016
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=208757
Bug ID: 208757
Summary: games/edge: Fix build with libc++ 3.8.0
Product: Ports & Packages
Version: Latest
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: Individual Port(s)
Assignee: freebsd-ports-bugs at FreeBSD.org
Reporter: dim at FreeBSD.org
Created attachment 169260
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=169260&action=edit
Replace abs() on unsigned arguments in games/edge
During the exp-run in bug 208158, it was found that games/edge gives errors
with libc++ 3.8.0 [1]:
epi/image_hq2x.cc:178:13: error: call to 'abs' is ambiguous
(u32_t)abs((YUV1 & Ymask) - (YUV2 & Ymask)) > trY ||
^~~
This is because abs() is being called with unsigned arguments. Fix this by
calculating the unsigned difference in a more portable way.
[1]
http://package18.nyi.freebsd.org/data/headamd64PR208158-default/2016-03-22_18h30m05s/logs/errors/edge-1.35_6.log
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