On 2012-09-29 14:57 +0200, Sven Joachim wrote:
> Control: severity -1 wishlist
>
> On 2012-09-29 14:27 +0200, Francois Gouget wrote:
>
>> The amd64 version conflicts with the i386 one which makes it
>> impossible to install both. As a result the
>> /usr/lib/i386-linux-gnu/libncurses.so symbolic link is missing so that
>> developping 32bit applications using this library is impossible on a
>> 64bit system.
>>
>> Furthermore this development package does not seem to be multiarch aware as
>> there is no Multi-Arch field.
>>
>> My understanding is that as long as there are no
>> architecture-dependent headers there is no obstacle (i.e. no toolchain
>> issue) to tagging the development package as 'Multi-Arch: same'. The
>> symbolic link (and any static libraries) should be no issue as they
>> are already in the architecture-qualified folders.
>
> Unfortunately the headers _are_ currently architecture dependent, see
> #646761/#646977.
Recapping the discussion from #646761, there are two problems leading to
differences across architectures:
- curses.h includes the path to the build directory in a comment. The
culprit is this snippet from include/MKkey_defs.sh:
,----
| cat <<EOF
| /*
| * These definitions were generated by $0 $DATA
| */
| EOF
`----
Removing that snippet or using `basename $0` `basename $DATA` to get
rid of the directory name appears to be sufficient to make the headers
identical across Linux architectures. Thomas, would you be willing to
do either upstream?
- term.h differs across Linux and non-Linux architectures because the
former have termio.h and the latter don't. This appears to be
difficult to resolve, but since libc-dev is not currently
coinstallable for Linux and non-Linux architectures anyway, we could
ignore that fact for now. Or maybe have libncurses5-dev provide
libncurses-dev-linux on Linux and conflict with libncurses-dev-linux
on non-Linux architectures.
Other opinions?
Cheers,
Sven
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