[Bug 262634] graphics/libavif: Fix build with clang 14
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Date: Thu, 17 Mar 2022 21:07:45 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=262634
Bug ID: 262634
Summary: graphics/libavif: Fix build with clang 14
Product: Ports & Packages
Version: Latest
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: Individual Port(s)
Assignee: jbeich@FreeBSD.org
Reporter: dim@FreeBSD.org
Assignee: jbeich@FreeBSD.org
Flags: maintainer-feedback?(jbeich@FreeBSD.org)
During an exp-run for llvm 14 (see bug 261742), it turned out that
graphics/libavif fails to build with clang 14:
/wrkdirs/usr/ports/graphics/libavif/work/libavif-0.9.3/src/alpha.c:227:35:
error: mixing declarations and code is incompatible with standards before C99
[-Werror,-Wdeclaration-after-statement]
float alphaF = (float)srcAlpha / srcMaxChannelF;
^
/wrkdirs/usr/ports/graphics/libavif/work/libavif-0.9.3/src/alpha.c:242:35:
error: mixing declarations and code is incompatible with standards before C99
[-Werror,-Wdeclaration-after-statement]
float alphaF = (float)srcAlpha / srcMaxChannelF;
^
/wrkdirs/usr/ports/graphics/libavif/work/libavif-0.9.3/src/alpha.c:258:31:
error: mixing declarations and code is incompatible with standards before C99
[-Werror,-Wdeclaration-after-statement]
float alphaF = (float)srcAlpha / srcMaxChannelF;
^
/wrkdirs/usr/ports/graphics/libavif/work/libavif-0.9.3/src/alpha.c:335:35:
error: mixing declarations and code is incompatible with standards before C99
[-Werror,-Wdeclaration-after-statement]
float alphaF = (float)srcAlpha / srcMaxChannelF;
^
/wrkdirs/usr/ports/graphics/libavif/work/libavif-0.9.3/src/alpha.c:351:35:
error: mixing declarations and code is incompatible with standards before C99
[-Werror,-Wdeclaration-after-statement]
float alphaF = (float)srcAlpha / srcMaxChannelF;
^
/wrkdirs/usr/ports/graphics/libavif/work/libavif-0.9.3/src/alpha.c:368:31:
error: mixing declarations and code is incompatible with standards before C99
[-Werror,-Wdeclaration-after-statement]
float alphaF = (float)srcAlpha / srcMaxChannelF;
^
/wrkdirs/usr/ports/graphics/libavif/work/libavif-0.9.3/src/alpha.c:397:16:
error: mixing declarations and code is incompatible with standards before C99
[-Werror,-Wdeclaration-after-statement]
avifResult libyuvResult = avifRGBImagePremultiplyAlphaLibYUV(rgb);
^
/wrkdirs/usr/ports/graphics/libavif/work/libavif-0.9.3/src/alpha.c:508:16:
error: mixing declarations and code is incompatible with standards before C99
[-Werror,-Wdeclaration-after-statement]
avifResult libyuvResult = avifRGBImageUnpremultiplyAlphaLibYUV(rgb);
^
8 errors generated.
This is because libavif foolishly uses -Weverything, and thus has to chase
every new warning introduced by newer compiler versions. I submitted
https://github.com/AOMediaCodec/libavif/pull/886 upstream to fix this, and
added the corresponding patch to the port.
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