No colon cinterop flags (#428)

* Taught cinterop a 'host' target.

* Last minute switch from -foo:bar flags to -foo bar flags in cinterop tool.

cmd/cinterop

@@ -37,13 +37,13 @@ while [ $# -gt 0 ]; do
       java_args=("${java_args[@]}" "${1:2}")
       shift
       ;;
-    -o:*)
-      OUTPUT_FILE_NAME="${1:3}"
-      shift
+    -o)
+      OUTPUT_FILE_NAME="$2"
+      shift 2
       ;;
-    -target:*)
-      TARGET="${1:8}"
-      shift
+    -target)
+      TARGET="$2"
+      shift 2
       ;;
      *)
       interop_args=("${interop_args[@]}" "$1")
@@ -76,22 +76,22 @@ HELPERS_JAR="${KONAN_HOME}/konan/lib/helpers.jar"
 INTEROP_CLASSPATH="$STUB_GENERATOR_JAR:$KOTLIN_JAR:$INTEROP_INDEXER_JAR:$INTEROP_RUNTIME_JAR:$HELPERS_JAR"
 INTEROP_TOOL=org.jetbrains.kotlin.native.interop.gen.jvm.MainKt
 
-FLAVOR_ARG=-flavor:native
+FLAVOR_ARG="-flavor native"
 
 GENERATED_DIR="$OUTPUT_FILE_NAME-build/kotlin"
-GENERATED_ARG="-generated:$GENERATED_DIR"
+GENERATED_ARG="-generated $GENERATED_DIR"
 NATIVES_DIR="$OUTPUT_FILE_NAME-build/natives"
-NATIVES_ARG="-natives:$NATIVES_DIR"
+NATIVES_ARG="-natives $NATIVES_DIR"
 CSTUBSNAME=cstubs
-CSTUBSNAME_ARG="-cstubsname:$CSTUBSNAME"
+CSTUBSNAME_ARG="-cstubsname $CSTUBSNAME"
 
 LIBCLANG_DISABLE_CRASH_RECOVERY=1 \
 LD_LIBRARY_PATH=${NATIVE_LIB} \
 $JAVACMD $JAVA_OPTS ${java_args[@]} \
     -cp $INTEROP_CLASSPATH \
     $INTEROP_TOOL \
-    "$GENERATED_ARG" "$NATIVES_ARG" "$CSTUBSNAME_ARG" \
-    $FLAVOR_ARG -target:$TARGET "${interop_args[@]}" \
+    $GENERATED_ARG $NATIVES_ARG $CSTUBSNAME_ARG \
+    $FLAVOR_ARG -target $TARGET "${interop_args[@]}" \
     || exit 1
 
 # Stubs may be rather big, so we may need more heap space.