[aur-general] PKGBUILD for 32bit app on 64bit Arch

[rafael ff1]

2012/8/15 Jonathan Arnold <jdarnold at buddydog.org>:
> I looked around on the wiki but didn't find any guidelines for
> installing a 32bit app on a 64bit arch. For dependencies, is this
> common practice in the PKGBUILD:
>
> [ "$CARCH" = "x86_64" ] && depends=(lib32-glibc lib32-zlib)
> [ "$CARCH" = "i686" ] && depends=(zlib)
>
> --
> Jonathan Arnold        Webstream: http://hieronymus.soup.io
>
> Talent wins games, but team work and intelligence wins championships.
> Michael Jordan
>

Even though your common works fine when packaging, I prefer not to use
this way because AUR web interface doesn't parse correctly:AUR web
interface will display the dependency of the package as 'zlib' while
it should be 'lib32-glibc lib32-zlib'.

I rather use the script below simply because, with this, AUR will
display correctly the dependency, according to my Arch.

arch=('x86_64' 'i686')
if [ "$CARCH" = "x86_64" ]; then
  depends=(lib32-glibc lib32-zlib)
elif [ "$CARCH" = "i686" ]; then
  depends=(zlib)
fi

For instance, with 64 bit system, access pcsx2-svn [1] package in AUR
and you will notice that it shows 'lib32-' packages as deps.

[1] http://aur.archlinux.org/packages.php?ID=21899