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-rw-r--r--pidl/idl.yp2
1 files changed, 1 insertions, 1 deletions
diff --git a/pidl/idl.yp b/pidl/idl.yp
index 7838420e3f..d557590494 100644
--- a/pidl/idl.yp
+++ b/pidl/idl.yp
@@ -490,7 +490,7 @@ sub parse_file($$)
$cpp = "cpp";
}
my $includes = join('',map { " -I$_" } @$incdirs);
- my $data = `$cpp -D__PIDL__$includes $filename`;
+ my $data = `$cpp -D__PIDL__$includes -xc $filename`;
$/ = $saved_delim;
return parse_string($data, $filename);