diff options
Diffstat (limited to 'debian/sse4.2-support.preinst')
| -rw-r--r-- | debian/sse4.2-support.preinst | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/debian/sse4.2-support.preinst b/debian/sse4.2-support.preinst new file mode 100644 index 0000000..b74cba7 --- /dev/null +++ b/debian/sse4.2-support.preinst @@ -0,0 +1,50 @@ +#!/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 |