On Mon, Jan 29, 2007 at 07:52:02PM +0100, Ralf Wildenhues wrote: > > BTW, all the _DEPENDENCIES that I'm talking about are > > libraries that are built from my own project, but not necessarily in the > > same Makefile. > > OK. You will have to make sure these libraries exist and are up to > date, when they are needed. Typically by recursing to that other > Makefile earlier (i.e., by way of SUBDIRS ordering). > > For libraries built from the same Makefile, please note that typically, > make implementations are not smart enough to discover that > $(top_builddir)/sub/libfoo.la (with top_builddir = ..) > ./libfoo.la > libfoo.la > > all refer to the same file, even if they are the same file. So if you > have a rule for the latter, but depend upon one of the former two, > things can break. GNU make identifies the latter two.
Hi, One other question. This is in regards to libraries depending on libraries. If library B depends on library A, do I have to put a libB_a_DEPENDENCIES = $(top_builddir)/..../libA.a or does just having the SUBDIRS traverse in the correct order work? Thanks, Bob Rossi
