[2/3] widl: Fix handling of circular imports that involve the file passed on the command line.

[Francois Gouget]

---
 tools/widl/parser.l | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/widl/parser.l b/tools/widl/parser.l
index b911186..2333687 100644
--- a/tools/widl/parser.l
+++ b/tools/widl/parser.l
@@ -488,6 +488,9 @@ int do_import(char *fname)
 	int ptr = import_stack_ptr;
 	int ret, fd;
 
+	if (strcmp(import_stack_ptr ? import_stack[0].input_name : input_name,
+	           fname) == 0)
+		return 0; /* initial source file */
 	import = first_import;
 	while (import && strcmp(import->name, fname))
 		import = import->next;
-- 
2.1.4