When I tried libpng 1.6.2, it didn't work because PNG_LIBPNG_VER_STRING includes a minor version number. I've pushed a repair for that problem, and the patch should apply to v5.3.4:
https://github.com/plt/racket/commit/5629a6156a5720e51a277849f75b3135cb93664f At Sat, 11 May 2013 09:32:49 -0600, Matthew Flatt wrote: > The `racket/gui' library looks for "libpng15", "libpng12", and just > "libpng", in that order. > > So, maybe it should also look for "libpng16", which I'm guessing is > the name of the libpng 1.6.2 library? > > You can try adjusting > > collects/racket/draw/unsafe/png.rkt > > to see if it works with "libpng16", or you could link "libpng.so" in > the Racket "lib" directory to libpng16.so". > > At Fri, 10 May 2013 18:23:01 -0400, Eric Bélanger wrote: > > I'm trying to build racket 5.3.4 but I'm getting many similar errors: > > png_structp->C: argument is not non-null `png_structp' pointer > > argument: #f > > > > I found out that this only happens with libpng 1.6.2. It builds fine if I > > use libpng 1.5.15. > > > > Does anyone have a fix? > > > > Thanks. > > ____________________ > > Racket Users list: > > http://lists.racket-lang.org/users > > ____________________ > Racket Users list: > http://lists.racket-lang.org/users ____________________ Racket Users list: http://lists.racket-lang.org/users
