I am trying to get cross compilation working, on a 64 bit system that already has i386 enabled:
$ dpkg --print-architecture
amd64
$ dpkg --print-foreign-architectures
i386
armhf
Only jessie repositories are enabled:
$ apt-cache policy libc6:armhf
libc6:armhf:
Installed: (none)
Candidate: 2.19-18+deb8u1
Version table:
2.19-18+deb8u1 0
700 http://http.debian.net/debian/ jessie/main armhf Packages
However, I'm getting a strange conflict I cannot decipher ("libc6:armhf : Breaks: libc6 (!= 2.19-18+deb8u1)
"), the full apt-get output is found below.
The i386 libc is living peacefully on this system, but the armhf version (and armel for this matter) fails. What do I make of this apt-get error and how do I fix it?
$ apt-get install libc6:armhf
Reading package lists… Done
Building dependency tree
Reading state information… Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
init : PreDepends: systemd-sysv but it is not going to be installed or
sysvinit-core but it is not going to be installed or
upstart
libc6 : Breaks: libc6:armhf (!= 2.19-19) but 2.19-18+deb8u1 is to be installed
libc6:armhf : Breaks: libc6 (!= 2.19-18+deb8u1) but 2.19-19 is to be installed
libcurl3-gnutls : Depends: libgnutls-deb0-28 (>= 3.3.0) but it is not going to be installed
Depends: libldap-2.4-2 (>= 2.4.7) but it is not going to be installed
Depends: librtmp1 (>= 2.4+20131018.git79459a2-3~) but it is not going to be installed
Depends: libssh2-1 (>= 1.2.6) but it is not going to be installed
Recommends: ca-certificates but it is not going to be installed
libqt5core5a : Depends: libglib2.0-0 (>= 2.22.0) but it is not going to be installed
Depends: libicu52 (>= 52~m1-1~) but it is not going to be installed
libqt5gui5 : Depends: fontconfig
Depends: libegl1-mesa (>= 7.8.1) but it is not going to be installed or
libegl1-x11
Depends: libfontconfig1 (>= 2.11) but it is not going to be installed
Depends: libgbm1 (>= 8.1~0) but it is not going to be installed
Depends: libgl1-mesa-glx but it is not going to be installed or
libgl1
Depends: libglib2.0-0 (>= 2.12.0) but it is not going to be installed
Depends: libgtk2.0-0 (>= 2.24.0) but it is not going to be installed
Depends: libharfbuzz0b (>= 0.9.11) but it is not going to be installed
Depends: libice6 (>= 1:1.0.0) but it is not going to be installed
Depends: libpango-1.0-0 (>= 1.14.0) but it is not going to be installed
Depends: libsm6 but it is not going to be installed
Depends: libx11-6 but it is not going to be installed
Depends: libx11-xcb1 but it is not going to be installed
Depends: libxcb-glx0 but it is not going to be installed
Depends: libxcb-icccm4 (>= 0.4.1) but it is not going to be installed
Depends: libxcb-image0 (>= 0.2.1) but it is not going to be installed
Depends: libxcb-keysyms1 (>= 0.4.0) but it is not going to be installed
Depends: libxcb-randr0 (>= 1.3) but it is not going to be installed
Depends: libxcb-render-util0 but it is not going to be installed
Depends: libxcb-render0 but it is not going to be installed
Depends: libxcb-shape0 but it is not going to be installed
Depends: libxcb-shm0 but it is not going to be installed
Depends: libxcb-sync1 but it is not going to be installed
Depends: libxcb-xfixes0 but it is not going to be installed
Depends: libxcb-xkb1 but it is not going to be installed
Depends: libxcb1 but it is not going to be installed
Depends: libxi6 (>= 2:1.2.99.4) but it is not going to be installed
Depends: libxkbcommon-x11-0 (>= 0.4.0) but it is not going to be installed
Depends: libxrender1 but it is not going to be installed
libqt5widgets5 : Depends: libglib2.0-0 (>= 2.12.0) but it is not going to be installed
Depends: libx11-6 but it is not going to be installed
libssl1.0.0 : Depends: debconf (>= 0.5) but it is not going to be installed or
debconf-2.0
live-config-sysvinit : Depends: sysvinit-core but it is not going to be installed or
sysvinit (< 2.88dsf-44) but it is not going to be installed
nginx-common : Depends: init-system-helpers (>= 1.18~) but it is not going to be installed
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.
Best Answer
One of the rules of Debian multiarch is that versions must match exactly across architectures. Debian jessie has version
2.19-18+deb8u1
but somehow you have ended up with2.19-19
installed for amd64 (and presumably i386).How your system got into this state in the first place I do not know. Maybe at some point you or a previous admin changed the
sources.list
to testing and then changed it back to jessie.Downloading 2.19-19 for armhf from snapshot.debian.org and installing it manually with dpkg may be a solution.
http://snapshot.debian.org/archive/debian/20150710T034220Z/pool/main/g/glibc/libc6_2.19-19_armhf.deb