toolchain: only setup_toolchain when building

config/path

@@ -186,8 +186,6 @@ VERSION_SUFFIX=$TARGET_ARCH
 check_path
 check_config
 
-setup_toolchain target
-
 SILENT_OUT=3
 VERBOSE_OUT=4
 if [ "$VERBOSE" = yes ]; then

scripts/build

@@ -20,6 +20,8 @@
 
 . config/options $1
 
+setup_toolchain target
+
 if [ -z "$1" ]; then
   echo "usage: $0 package_name[:<host|target|init|bootstrap>]"
   exit 1

scripts/image

@@ -22,6 +22,8 @@
 
 show_config
 
+setup_toolchain target
+
 $SCRIPTS/checkdeps
 $SCRIPTS/build toolchain
 $SCRIPTS/build squashfs:host