The way to specify the name of the makefile is with the ‘
--file’ option (‘
--makefile’ also works). For example,
-f altmake’ says to use the file
altmake as the makefile.
If you use the ‘
-f’ flag several times and follow each ‘
with an argument, all the specified files are used jointly as
If you do not use the ‘
-f’ or ‘
--file’ flag, the default is
that order, and use the first of these three which exists or can be made
(see Writing Makefiles).