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configure: early test for supported targets 

Check for unsupported targets in target_list, and print an
error early in the configuration process.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2017-07-03 16:58:28 +02:00
parent 3b6b75506d
commit d880a3ba7d
1 changed files with 48 additions and 22 deletions
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70
configure vendored
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@ -40,14 +40,18 @@ printf " '%s'" "$0" "$@" >> config.log
echo >> config.log
echo "#" >> config.log
error_exit() {
echo
print_error() {
(echo
echo "ERROR: $1"
while test -n "$2"; do
echo " $2"
shift
done
echo
echo) >&2
}
error_exit() {
print_error "$@"
exit 1
}
@ -207,6 +211,30 @@ supported_xen_target() {
return 1
}
supported_target() {
case "$1" in
*-softmmu)
;;
*-linux-user)
if test "$linux" != "yes"; then
print_error "Target '$target' is only available on a Linux host"
return 1
fi
;;
*-bsd-user)
if test "$bsd" != "yes"; then
print_error "Target '$target' is only available on a BSD host"
return 1
fi
;;
*)
print_error "Invalid target name '$target'"
return 1
;;
esac
return 0
}
# default parameters
source_path=$(dirname "$0")
cpu=""
@ -1734,23 +1762,27 @@ if test "$solaris" = "yes" ; then
fi
if test -z "${target_list+xxx}" ; then
target_list="$default_target_list"
for target in $default_target_list; do
supported_target $target 2>/dev/null && \
target_list="$target_list $target"
done
target_list="${target_list# }"
else
target_list=$(echo "$target_list" | sed -e 's/,/ /g')
for target in $target_list; do
# Check that we recognised the target name; this allows a more
# friendly error message than if we let it fall through.
case " $default_target_list " in
*" $target "*)
;;
*)
error_exit "Unknown target name '$target'"
;;
esac
supported_target $target || exit 1
done
fi
# Check that we recognised the target name; this allows a more
# friendly error message than if we let it fall through.
for target in $target_list; do
case " $default_target_list " in
*" $target "*)
;;
*)
error_exit "Unknown target name '$target'"
;;
esac
done
# see if system emulation was really requested
case " $target_list " in
*"-softmmu "*) softmmu=yes
@ -6050,16 +6082,10 @@ case "$target" in
target_softmmu="yes"
;;
${target_name}-linux-user)
if test "$linux" != "yes" ; then
error_exit "Target '$target' is only available on a Linux host"
fi
target_user_only="yes"
target_linux_user="yes"
;;
${target_name}-bsd-user)
if test "$bsd" != "yes" ; then
error_exit "Target '$target' is only available on a BSD host"
fi
target_user_only="yes"
target_bsd_user="yes"
;;