kconfig: improve error messages for bad source statements
We now say where we detect the second source of a file,
and where we detect a recursively source of the same file.
This makes it easier to fix such errors.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index 5164ef7..21ff69c 100644
--- a/scripts/kconfig/zconf.l
+++ b/scripts/kconfig/zconf.l
@@ -314,11 +314,14 @@
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;