GENFILES += frontends/ilang/parser.output
GENFILES += frontends/ilang/lexer.cc
-frontends/ilang/parser.tab.cc frontends/ilang/parser.tab.h: frontends/ilang/parser.y
+frontends/ilang/parser.tab.cc: frontends/ilang/parser.y
bison -d -r all -b frontends/ilang/parser frontends/ilang/parser.y
mv frontends/ilang/parser.tab.c frontends/ilang/parser.tab.cc
+frontends/ilang/parser.tab.h: frontends/ilang/parser.tab.cc
+
frontends/ilang/lexer.cc: frontends/ilang/lexer.l
flex -o frontends/ilang/lexer.cc frontends/ilang/lexer.l