Contribs: png depends on zlib

diff --git a/extras/contrib/src/Makefile b/extras/contrib/src/Makefile
index 1827d6b08c11eb3c3f9057d7a19c3ef590a2a003..469a3cc91480cc8377f24806b19cac1fa5c2ae96 100644 (file)
--- a/extras/contrib/src/Makefile
+++ b/extras/contrib/src/Makefile
@@ -1635,7 +1635,7 @@ ifdef HAVE_DARWIN_OS_ON_INTEL
        (patch -p0 < Patches/libpng-darwin-mactel.patch)
 endif
 
-.png: libpng 
+.png: libpng .zlib
 ifdef HAVE_DARWIN_OS
        (cd $<; $(HOSTCC) ./configure $(HOSTCONF) --prefix=$(PREFIX) && make && make install)
 else