support building out-of-tree

  Handle O=

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/extra/config/lex.zconf.c_shipped b/extra/config/lex.zconf.c_shipped
index 09a1ec8e3..f6e38b689 100644
--- a/extra/config/lex.zconf.c_shipped
+++ b/extra/config/lex.zconf.c_shipped
@@ -2370,11 +2370,14 @@ void zconf_nextfile(const char *name)
 	current_buf = buf;
 
 	if (file->flags & FILE_BUSY) {
-		printf("recursive scan (%s)?\n", name);
+		printf("%s:%d: do not source '%s' from itself\n",
+		       zconf_curname(), zconf_lineno(), name);
 		exit(1);
 	}
 	if (file->flags & FILE_SCANNED) {
-		printf("file %s already scanned?\n", name);
+		printf("%s:%d: file '%s' is already sourced from '%s'\n",
+		       zconf_curname(), zconf_lineno(), name,
+		       file->parent->name);
 		exit(1);
 	}
 	file->flags |= FILE_BUSY;