#!/bin/sh set -e if [ "$1" = install ] || [ "$1" = upgrade ]; then FILE="/usr/libexec/x86_64-linux-gnu/isa-support/test-SSE4.2" # "exec >;command" instead of "command >" looks strange but regular # redirections don't fully work within qemu-user. ret=0;(exec >/dev/null 2>&1; "$FILE") || ret=$? if [ $ret -ne 0 ] && [ -n "$IGNORE_ISA" ]; then cat >&2 <<END This machine doesn't support SSE4.2, but override (IGNORE_ISA) is enabled. Continuing... END ret=0 fi if [ $ret -eq 126 ]; then cat >&2 <<END Couldn't execute test binary for SSE4.2, you either do foreign multi-arch without qemu or do something strange. Assuming you know what you're doing. Continuing... END ret=0 fi if [ $ret -ne 0 ]; then # Fail noisily, first via debconf (if installed). if [ -e /usr/share/debconf/confmodule ]; then . /usr/share/debconf/confmodule db_version 2.0 db_fset SSE4.2-support/fail seen false ||: db_reset SSE4.2-support/fail ||: db_input critical SSE4.2-support/fail ||: db_go ||: db_stop ||: fi cat >&2 <<END This machine doesn't support SSE4.2, sorry. Aborting. END exit 2 fi fi #DEBHELPER# exit 0