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Bug 582852 - media-libs/libraw-0.17.1: building w/ gcc-6: error: narrowing conversion of '128' from 'int' to 'signed char' inside { } [-Wnarrowing]
Summary: media-libs/libraw-0.17.1: building w/ gcc-6: error: narrowing conversion of '...
Status: RESOLVED FIXED
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: [OLD] GCC Porting (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Graphics Project
URL:
Whiteboard:
Keywords:
Depends on:
Blocks: gcc-6
  Show dependency tree
 
Reported: 2016-05-12 19:02 UTC by Peter Levine
Modified: 2016-11-14 18:29 UTC (History)
3 users (show)

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

Attachments
libraw-0.17.1-gcc6.patch (libraw-0.17.1-gcc6.patch,9.39 KB, patch)
2016-05-12 19:04 UTC, Peter Levine 		Details | Diff
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Description Peter Levine 2016-05-12 19:02:50 UTC 
Building media-libs/libraw-0.17.1 with gcc-6 fails with:


/var/tmp/portage/media-libs/libraw-0.17.1/work/LibRaw-0.17.1/internal/dcraw_common.cpp:4539:3: error: narrowing conversion of '128' from 'int' to 'signed char' inside { } [-Wnarrowing]
   }, chood[] = { -1,-1, -1,0, -1,+1, 0,+1, +1,+1, +1,0, +1,-1, 0,-1 };
   ^
/var/tmp/portage/media-libs/libraw-0.17.1/work/LibRaw-0.17.1/internal/dcraw_common.cpp:4539:3: error: narrowing conversion of '136' from 'int' to 'signed char' inside { } [-Wnarrowing]
/var/tmp/portage/media-libs/libraw-0.17.1/work/LibRaw-0.17.1/internal/dcraw_common.cpp:4539:3: error: narrowing conversion of '128' from 'int' to 'signed char' inside { } [-Wnarrowing]
/var/tmp/portage/media-libs/libraw-0.17.1/work/LibRaw-0.17.1/internal/dcraw_common.cpp:4539:3: error: narrowing conversion of '136' from 'int' to 'signed char' inside { } [-Wnarrowing]
/var/tmp/portage/media-libs/libraw-0.17.1/work/LibRaw-0.17.1/internal/dcraw_common.cpp:4539:3: error: narrowing conversion of '128' from 'int' to 'signed char' inside { } [-Wnarrowing]
/var/tmp/portage/media-libs/libraw-0.17.1/work/LibRaw-0.17.1/internal/dcraw_common.cpp:4539:3: error: narrowing conversion of '136' from 'int' to 'signed char' inside { } [-Wnarrowing]
Comment 1 Peter Levine 2016-05-12 19:04:50 UTC 
Created attachment 434102 [details, diff]
libraw-0.17.1-gcc6.patch

Backported from upstream:

https://github.com/LibRaw/LibRaw/commit/eba7a66e23f2f62cc4c8115af8066f2df5da085a
Comment 2 Mark Wright gentoo-dev 2016-06-29 10:53:51 UTC 
(In reply to Peter Levine from comment #1)
> Created attachment 434102 [details, diff] [details, diff]
> libraw-0.17.1-gcc6.patch
> 
> Backported from upstream:
> 
> https://github.com/LibRaw/LibRaw/commit/
> eba7a66e23f2f62cc4c8115af8066f2df5da085a

Thanks, I reproduced the problem compiling both 0.17.1 and 0.17.2 with gcc 6.1.0,
and the patch fixes the problem with both 0.17.1 and 0.17.2.
Comment 3 David Seifert gentoo-dev 2016-11-14 18:29:05 UTC 
commit 8ecfa678744847c6e13bc5659e6d88c45a321ce5
Author: David Seifert <soap@gentoo.org>
Date:   Mon Nov 14 19:10:07 2016 +0100

    media-libs/libraw: Allow for compiling with GCC 6
    
    Gentoo-bug: 582852
    * Patch by Peter Levine
    * Add pkg_setup() check
    * Disable building of static libraries
    * Prune .la files unconditionally