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-rw-r--r--trafgen_parser.y2
1 files changed, 1 insertions, 1 deletions
diff --git a/trafgen_parser.y b/trafgen_parser.y
index 44751ab..8a0f3b7 100644
--- a/trafgen_parser.y
+++ b/trafgen_parser.y
@@ -599,7 +599,7 @@ void compile_packets(char *file, bool verbose, unsigned int cpu, bool invoke_cpp
our_cpu = cpu;
if (invoke_cpp) {
- if (cpp_exec(file, tmp_file, sizeof(tmp_file))) {
+ if (cpp_exec(file, tmp_file, sizeof(tmp_file), NULL)) {
fprintf(stderr, "Failed to invoke C preprocessor!\n");
goto err;
}