-AT_CHECK([[bison --trace input.y]], [], [], [stderr])
+AT_CHECK([[bison --trace=sets input.y]], [], [], [stderr])
AT_EXTRACT_SETS([stderr], [sets])
AT_CHECK([[cat sets]], [],
[[DERIVES
AT_EXTRACT_SETS([stderr], [sets])
AT_CHECK([[cat sets]], [],
[[DERIVES
-AT_CHECK([[bison --trace input.y]], [], [], [stderr])
+AT_CHECK([[bison --trace=sets input.y]], [], [], [stderr])
AT_CHECK([[sed -n 's/[ ]*$//;/^RTC: Firsts Output BEGIN/,/^RTC: Firsts Output END/p' stderr]], [],
[[RTC: Firsts Output BEGIN
AT_CHECK([[sed -n 's/[ ]*$//;/^RTC: Firsts Output BEGIN/,/^RTC: Firsts Output END/p' stderr]], [],
[[RTC: Firsts Output BEGIN
-AT_CHECK([[bison --trace input.y]], [], [], [stderr])
+AT_CHECK([[bison --trace=sets input.y]], [], [], [stderr])
AT_EXTRACT_SETS([stderr], [sets])
AT_CHECK([[cat sets]], [],
[[DERIVES
AT_EXTRACT_SETS([stderr], [sets])
AT_CHECK([[cat sets]], [],
[[DERIVES