+++ nice sw123 [2015-09-14 22:45 +0200]: > Hi there! > > Can I use sbuild-createchroot... (Jessie) > > sudo sbuild-createchroot > --make-sbuild-tarball=/srv/chroots/jessie-sbuild.tgz jessie > /srv/chroots/jessie http://httpredir.debian.org/debian/ > > > ... BUT THEN opt to *not* use a packaged armhf toolchain. > https://wiki.debian.org/CrossToolchains#Installation > > ...AND INSTEAD opt to *use* a different toolchain, such as the Linaro > Toolchain linked here > https://eewiki.net/display/linuxonarm/BeagleBone+Black#BeagleBoneBlack-ARMCrossCompiler:GCC > ( > https://releases.linaro.org/14.09/components/toolchain/binaries/gcc-linaro-arm-linux-gnueabihf-4.9-2014.09_linux.tar.xz > ) > ???
yes, although it may not work very well. I'm not sure that a linaro crosstoolchain will find libraries in multiarch locations? Check its search paths. If it doesn't then it's probably only good for building kernels and bootloaders, or using dpkg-cross-ified libraries. > What are the steps required to get that Linaro toolchain into the > schroot and have it jive with the debian packages kernel, and whatever > dependencies? I don't know in detail as I've never tried. > Do I need to symlink the compiler to a particular location under > /usr/bin and give it the correct name? package builds expect to be able to run <triplet>-gcc (or g++, or gconv, or cpp, or pkgconfig) so you need links for all of those. (pkgconfig is handled separately from the toolchain - but I don't think it's working yet in stretch). > How do I need to handle libc and c++ libraries? You can just install them in the chroot. You can tell sbuild to install then when crossing (see other mail) > How does the kernel fit into the picture? (Can I use the standard > packaged kernel, or do I have to mess with building an own one?) why do you care about a kernel when crossbuilding? do you mean the kernel-header (linux-libc-dev:armhf package? the cross-toolchain may come with its own. you may need a multiarch copy too (i..e linux-libc-dev:armhf for some packages to build against) Wookey -- Principal hats: Linaro, Debian, Wookware, ARM http://wookware.org/
