I only corrected bugs to make things compile: some featured not implemented here yet.
3 echo '#include<'$1'>' >seedeps_tmp.cc
4 gcc -MM -I. -I.. -I../.. $2 seedeps_tmp.cc|tr ':' ' '|tr '\' ' '|tr ' ' '\n'|
5 egrep -v '^$'|egrep -v '.o$'|egrep -v '.cc$'|grep -v '^'$1'$'|sort