On 27-11-2010, Anastasia Gornostaeva <erm...@ermine.pp.ru> wrote: > On Sat, Nov 27, 2010 at 10:20:38AM +0000, Sylvain Le Gall wrote: >> Hi, >> >> On 26-11-2010, Anastasia Gornostaeva <erm...@ermine.pp.ru> wrote: >> > Hello. >> > >> > How can I substitute in setup.ml (not in _oasis file) values for >> > CCOpt and CCLib fields? I think it is better to substitute them from >> > setup.data, if I could to put proper values to setup.data. >> > For example: >> > CCOpt: $freetype_ccopt >> > and put to setup.data output of `freetype-config --clib` for field >> > freetype_ccopt. >> >> As I answer you in private: there will be pkg-config support in 0.3.0. >> This will solve this issue, at least. >> (e.g. you will be able to define: >> BuildDepends: freetype2 (pkg-config), oUnit, ...) > > Sorry, but i didnt receive your mail..
I resent it, but it doesn't contains the ultimate solution, just what I said here. > And pkg-config probably is not best solution on bsd and macosx systems because > it does not guarante nothing. > The best (and common) solution is CFLAGS and LIBS env variables. :-) > Or this pkg-config will allow custom paths for those C librares that do not > depend on pkg-config at concrete systems? > > [...] My current state about this solution is: - defines BuildDepends: freetype2 (pkg-config), to make clear that there is a C build-depends - allow to override the defined variable freetype2_cflags and freetype2_libs. If they are both defined by user, don't even call pkg-config for this package > >> > I need a way to substitute paths. >> > >> >> A last solution, you can apply right now, is to override this call: >> let () = setup ();; >> (last line of setup.ml) >> >> by >> >> let f pkg = >> (* Call freetype-config and add flags where >> needed in pkg >> *) >> ... >> >> let () = BaseSetup.setup (f setup_t);; > > Interesting way. Thanks, I'll ckeck it right how. > As you state privately, this indeed has also problem because you also need to do it in myocamlbuild.ml. Here is a new proposal about this: - use a PostConfigureCommand to invoke a shell script freetype2.sh - in freetype2.sh invoke freetype-config and output flags in setup.data using "echo 'freetype2_cflags = "$output"' >> setup.data' and "echo 'freetype2_libs = "$output"' >> setup.data' - add in _tags a "src/toto.cma: pkg_config_freetype2" - add in myocamlbuild.ml a "tag [pkg_config_freetyp2; compile; ocaml] & [... (* load the content of freetyp2_cflags *) ... ]" This is not simple but this is probably what I will do for the support of C libraries in 0.3.0. Regards, Sylvain Le Gall _______________________________________________ Caml-list mailing list. Subscription management: http://yquem.inria.fr/cgi-bin/mailman/listinfo/caml-list Archives: http://caml.inria.fr Beginner's list: http://groups.yahoo.com/group/ocaml_beginners Bug reports: http://caml.inria.fr/bin/caml-bugs
