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Bug 731024 - media-libs/libdc1394-2.2.6 fails to compile: control.c:286:19: error: fields must have a constant size: 'variable length array in structure' extension will never be supported
Summary: media-libs/libdc1394-2.2.6 fails to compile: control.c:286:19: error: fields ...
Status: CONFIRMED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: Normal normal
Assignee: Gentoo Media-video project
URL:
Whiteboard:
Keywords: PATCH
Depends on:
Blocks: systemwide-clang
  Show dependency tree
 
Reported: 2020-07-06 09:29 UTC by Agostino Sarubbo
Modified: 2024-02-07 23:18 UTC (History)
1 user (show)

See Also:
Package list:
Runtime testing required: ---

Attachments
build.log (build.log,22.88 KB, text/plain)
2020-07-06 09:29 UTC, Agostino Sarubbo 		Details
other.tar.bz2 (other.tar.bz2,275 bytes, application/x-bzip-compressed-tar)
2020-07-06 09:29 UTC, Agostino Sarubbo 		Details
This patches solves the compiler errors ;-) (file_731024.txt,2.23 KB, text/plain)
2023-05-24 13:19 UTC, Jan Koester 		Details
[PATCH] Clang fix v2 (libdc1394-2.2.6-clang-fix.patch.txt,2.40 KB, patch)
2024-02-07 23:18 UTC, Maru 		Details | Diff
View All Add an attachment (proposed patch, testcase, etc.)

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Description Agostino Sarubbo gentoo-dev 2020-07-06 09:29:43 UTC 
https://blogs.gentoo.org/ago/2020/07/04/gentoo-tinderbox/

Issue: media-libs/libdc1394 fails to compile.
Discovered on: amd64

NOTE:
This machine uses a clang/LLVM toolchain.
If you think that this issue is strictly related to clang/LLVM please block bug 408963. If you think that this issue isstrictly related to the LLD linker, please block bug 731004.
Comment 1 Agostino Sarubbo gentoo-dev 2020-07-06 09:29:48 UTC 
Created attachment 647890 [details]
build.log

build log and emerge --info
Comment 2 Agostino Sarubbo gentoo-dev 2020-07-06 09:29:51 UTC 
Created attachment 647892 [details]
other.tar.bz2

other logs
Comment 3 Agostino Sarubbo gentoo-dev 2022-01-11 07:30:59 UTC 
tinderbox has reproduced this issue with version 2.2.6 - Updating summary.
Comment 4 Jan Koester 2023-05-24 13:19:27 UTC 
Created attachment 862369 [details]
This patches solves the compiler errors ;-)
Comment 5 Maru 2024-02-07 23:18:00 UTC 
Created attachment 884503 [details, diff]
[PATCH] Clang fix v2

I just tried the proposed patch and it's not working as intended, because it uses spaces as indentation everywhere, however in capture.c:324 (first change in the first hunk) the source file uses tabs instead. That's why the proposed patch fails to apply. Using two tabs for the source line corrects the issue and libdc1394-2.2.6 compiles successfully with clang!

I attached a revised patch file