[alsa-devel] alsa-tools FTBFS on armel: gcc-6 narrowing conversions

[Takashi Sakamoto]

Hi,

On Sep 13 2016 01:52, Elimar Riesebieter wrote:
> Hi all,
> 
> in Debian a FTBFS was discovered in building alsa-tools:
> 
> | arm-linux-gnueabi-g++ -DPACKAGE_NAME=\"hdspmixer\" -DPACKAGE_TARNAME=\"hdspmixer\" -DPACKAGE_VERSION=\"1.11\" -DPACKAGE_STRING=\"hdspmixer\ 1.11\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DPACKAGE=\"hdspmixer\" -DVERSION=\"1.11\" -DSTDC_HEADERS=1 -DHAVE_LIBASOUND=1 -I.   -Wdate-time -D_FORTIFY_SOURCE=2  -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -Wformat -Werror=format-security   -I/usr/include/freetype2   -D_THREAD_SAFE -D_REENTRANT -fno-exceptions -MT channelmap.o -MD -MP -MF .deps/channelmap.Tpo -c -o channelmap.o channelmap.cxx
> | channelmap.cxx:59:1: error: narrowing conversion of '-1' from 'int' to 'char' inside { } [-Wnarrowing]
> |  };
> |  ^
> 
> More Details can be found at:
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=837590
> 
> Could this be fixed for next release?

I'm interested in this issue.
(I'm an user of Debian/Ubuntu and some of my friends are DD.)

I think this issue is triggered by some compiler options, so long
overlooked. I'd like to fix it, however I don't know how to prepare for
build environment to reproduce it.

If you have some advices to reproduce, please inform it to me? I also
asked my friends to help for it ;)


Thanks

Takashi Sakamoto

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