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-rw-r--r--vppapigen/lex.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/vppapigen/lex.c b/vppapigen/lex.c
index b9dc833ad23..b41eb5ec665 100644
--- a/vppapigen/lex.c
+++ b/vppapigen/lex.c
@@ -54,6 +54,7 @@ static void usage (char *);
static int name_check (const char *, YYSTYPE *);
static int name_compare (const char *, const char *);
extern int yydebug;
+extern YYSTYPE yylval;
unsigned int crc32c_table[256] = {
0x00000000, 0xF26B8303, 0xE13B70F7, 0x1350F3F4,