• Paul Eggert's avatar
    Port recent libpng changes to hosts with missing png.h. · 0d1b87f9
    Paul Eggert authored
    * configure.ac (HAVE_PNG): Port to platforms where libpng-config
    succeeds but png.h is absent, by testing libpng-config's output
    rather than trusting it.  I ran into this problem when building
    Emacs trunk on a Solaris 10 host.
configure.ac 169 KB