struct flip_pgm
{
struct pool *pool; /* Pool containing FLIP data. */
- struct variable **var; /* Variables to transpose. */
+ const struct variable **var; /* Variables to transpose. */
int *idx_to_fv; /* var[]->index to compacted sink case fv. */
size_t var_cnt; /* Number of elements in `var'. */
int case_cnt; /* Pre-flip case count. */
if (lex_match_id (lexer, "VARIABLES"))
{
lex_match (lexer, '=');
- if (!parse_variables (lexer, dict, &flip->var, &flip->var_cnt,
+ if (!parse_variables_const (lexer, dict, &flip->var, &flip->var_cnt,
PV_NO_DUPLICATE))
goto error;
lex_match (lexer, '/');