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Date:      Fri, 30 Jun 2017 17:33:38 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-ports-bugs@FreeBSD.org
Subject:   [Bug 220389] devel/sdl2pp: Fix warnings with clang 5.0.0
Message-ID:  <bug-220389-13@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D220389

            Bug ID: 220389
           Summary: devel/sdl2pp: Fix warnings with clang 5.0.0
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: Individual Port(s)
          Assignee: amdmi3@FreeBSD.org
          Reporter: dim@FreeBSD.org
             Flags: maintainer-feedback?(amdmi3@FreeBSD.org)
          Assignee: amdmi3@FreeBSD.org

Created attachment 183948
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D183948&action=
=3Dedit
Fix clang 5.0.0 warnings in devel/sdl2pp

During an exp-run for the projects/clang500-import branch (bug 219139), it
turned out that devel/rapidjson does not build with clang 5.0.0 [1]:

/wrkdirs/usr/ports/devel/sdl2pp/work/libSDL2pp-0.13.0/examples/audio_sine.c=
c:44:58:
error: lambda capture 'samplerate' is not required to be captured for this =
use
[-Werror,-Wunused-lambda-capture]
        AudioDevice dev(NullOpt, 0, spec, [&nsample, frequency,
samplerate](Uint8* stream, int len) {
                                                                ^

This is a new warning from clang 5.0.0, and the port is compiled with -Werr=
or.=20
'samplerate' is a const int, and it gets "upgraded" to a constexpr, making =
it
implicitly available in the lambda.  Similarly, the frequency is a constant
float, so if it is made constexpr, it can be removed from the capture list.

[1]
http://package18.nyi.freebsd.org/data/headamd64PR219139-default/2017-05-22_=
13h01m42s/logs/errors/sdl2pp-0.13.0_1.log

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