That results in "make: *** No rule to make target '-lfoo', needed by 'main.exe'. Stop.", unless of course libfoo.a is already installed.
On 1 June 2015 at 21:11, Paul Smith <psm...@gnu.org> wrote: > On Mon, 2015-06-01 at 20:57 +0900, Luke Allardyce wrote: >> It's kind of strange that make seems to determine that the lib doesn't >> need remaking but can't then find it, but the manual only mentions >> when "-l" is a prerequisite so are they simply not supported when used >> as targets on their own like this? > > Correct. The -l version is only expanded in prerequisites. This > feature is only available so you can write a rule like this: > > foo: foo.o -lfoo > $(LINK.c) -o $@ $^ > > and have it work properly (that is, add "foo.o -lfoo" to the link line > as the expansion of "$^"). Fancy support for "-lfoo" is not needed in a > target context, because no tools build targets named "-lfoo". > >> The following works >> >> main.exe: -lfoo >> -lfoo libfoo.a: libfoo.a(foo.o) ; > > You can remove the "-lfoo" from the target line altogether; it's > useless: > > main.exe: -lfoo > libfoo.a: libfoo.a(foo.o) ; > _______________________________________________ Help-make mailing list Help-make@gnu.org https://lists.gnu.org/mailman/listinfo/help-make
