$ cat tmp.cfg runlist = sjeng size = test iterations = 1 tune = base output_format = text teeout = 1
default=default=default=default: OPTIMIZE = -xO2 -w CC = /opt/SUNWspro/bin/cc LIBS = -lbsdmalloc
458.sjeng=default=default=default: OPTIMIZE = -xO4 -w
default=peak=default=default: CC = /update1/bin/cc
default=default=mt=default: LIBS = -lthread -lmtmalloc
$ runspec –config=tmp –tune=peak –ext=mt | grep sjeng.o /update1/bin/cc -c -o sjeng.o -DSPEC_CPU -DNDEBUG -xO4 -w sjeng.c /update1/bin/cc -xO4 -w attacks.o book.o crazy.o draw.o ecache.o epd.o eval.o leval.o moves.o neval.o partner.o proof.o rcfile.o search.o see.o seval.o sjeng.o ttable.o utils.o -lthread -lmtmalloc -o sjeng $
Notice above that all three sections applied: the section specifier for 458.sjeng, the specifier for peak tuning, and the specifier for extension mt.