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>
diff --git a/configure b/configure
index 0f14e79..ae69e96 100755
--- a/configure
+++ b/configure
@@ -40,14 +40,18 @@
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 @@
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 "$0")
cpu=""
@@ -1734,23 +1762,27 @@
fi
if test -z "${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 @@
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"
;;
