compiler: v.v fixes

v.v

@@ -92,3 +92,4 @@ fn main() {
 
 	v.finalize_compilation()
 }
+

vlib/compiler/main.v

@@ -496,9 +496,9 @@ pub fn (v V) run_compiled_executable_and_exit() {
 pub fn (v &V) v_files_from_dir(dir string) []string {
 	mut res := []string
 	if !os.file_exists(dir) {
-		verror('$dir doesn\'t exist')
+		verror("$dir doesn't exist!")
 	} else if !os.dir_exists(dir) {
-		verror('$dir isn\'t a directory')
+		verror("$dir isn't a directory")
 	}
 	mut files := os.ls(dir)
 	if v.pref.is_verbose {
@@ -600,7 +600,6 @@ pub fn (v mut V) add_v_files_to_compile() {
 
 pub fn (v &V) get_builtin_files() []string {
 	// .vh cache exists? Use it
-	
 	$if js {
 		return v.v_files_from_dir('$v.vroot${os.path_separator}vlib${os.path_separator}builtin${os.path_separator}js')
 	}

vlib/compiler/vtest.v

@@ -131,13 +131,13 @@ pub fn v_test_v(args_before_test string){
 		println('vlib/ is missing, it must be next to the V executable')
 		exit(1)
 	}
-	if !os.dir_exists(parent_dir + '/compiler') {
+	if !os.file_exists(parent_dir + '/v.v') {
-		println('compiler/ is missing, it must be next to the V executable')
+		println('v.v is missing, it must be next to the V executable')
 		exit(1)
 	}
 	// Make sure v.c can be compiled without warnings
 	$if mac {
-		os.system('$vexe -o v.c compiler')
+		os.system('$vexe -o v.c v.v')
 		if os.system('cc -Werror v.c') != 0 {
 			println('cc failed to build v.c without warnings')
 			exit(1)