Re: sbuild stretch (... crossbuild-essential-armhf)

[nice sw123 <nicesw123@gmail.com>]

On Mon, Sep 14, 2015 at 10:50 PM, Wookey  wrote:
>
> You could change your sbuild config to tell it not to install
> crossbuild-essential-armhf when crossing, but instead to install
> libc:armhf, dpkg-cross, g++-arm-linux-gnueabihf (which is is all that
> the crossbuild-essential-armhf meta-package does)
>
> See man sbuild.conf
> CROSSBUILD_CORE_DEPENDS option
>


Ah great, thanks. (***)

I manually added gcc-arm-linux-gnueabihf  g++-arm-linux-gnueabihf
dpkg-cross libc6-dev:armhf
to the schroot stretch-amd64-sbuild. (Needed to include sid [set up
some pin-priorities], to get dpkg-cross)

Then I did:
apt-get source hello
cd hello*
sbuild  --host=armhf -d stretch-amd64-sbuild

Took me a while to figure out where the resulting binary "hello went!! ;)
I finally found it in the generated hello_2.10-1_armhf.deb







(***)
~/.sbuildrc now contains

##
## CROSSBUILD_CORE_DEPENDS  -- see:     man sbuild.conf   !!!!!!!!!!!!!!
##
$crossbuild_core_depends = {
        'armhf' => [
             # https://packages.debian.org/sid/crossbuild-essential-armhf
             # To find the necessary list of files below:
             #
             # wget
http://ftp.de.debian.org/debian/pool/main/b/build-essential/crossbuild-essential-armhf_12.1_all.deb
             # ar x crossbuild-essential-armhf_12.1_all.deb
             # tar xf control.tar.gz
             # cat control
            'libc6-dev:armhf',
            'gcc-arm-linux-gnueabihf',
            'g++-arm-linux-gnueabihf',
            'dpkg-cross'
       ]
}