On Mon, 23 Aug 2010 23:01:10 +0200 Sebastian Pipping <sp...@gentoo.org> wrote:
> I assume this Makefile to work with any non-GNU make: > > CFLAGS=`sdl-config --cflags` -Wall -Wextra > LDFLAGS=`sdl-config --libs` > OBJ=tron.o pixel.o > > .PHONY: clean run > > tron: $(OBJ) > > run: tron > ./tron > > clean: > rm -f *.o tron I wouldn't be so sure about that. POSIX make manpage doesn't seem to provide a suffix-rule to link multiple .o files into a binary; but that might be just not expressed clearly enough for me. > Now how would we fix this to respect custom CFLAGS (and LDFLAGS) in a > way that does not require GNU make (i.e. simply-expanded variables): > > "[Recursively-expanded variables are] the only sort supported > by other versions of make". [1] > > Any proposals for a generic solution that is upstream-suitable? > While the Makefile presented here is not likely to go into the tree I > had similar cases before so I felt like bringing this up. Thanks! I personally tend to completely redefine the suffix rules, moving 'private' CFLAGS/LIBS to a LCFLAGS/LLIBS or similar. For a reference, you may take a look at: http://github.com/mgorny/autoupnp/blob/master/Makefile -- Best regards, Michał Górny <http://mgorny.alt.pl> <xmpp:mgo...@jabber.ru>
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