# This file is included several times in a row, once for each element of # $(iter-items). On each inclusion, we advance $o to the next element. # $(iter-labels) and $(iter-sizes) are also advanced. o := $(firstword $(iter-items)) iter-items := $(filter-out $o,$(iter-items)) $o-label := $(firstword $(iter-labels)) iter-labels := $(wordlist 2,$(words $(iter-labels)),$(iter-labels)) $o-size := $(firstword $(iter-sizes)) iter-sizes := $(wordlist 2,$(words $(iter-sizes)),$(iter-sizes)) $o$(objext): %$(objext): libgcc2.c $(CC) $(INCLUDES) $(CFLAGS) -DLIBGCC2_UNITS_PER_WORD=$($*-size) -DL$($*-label) -c $< -o $@