managed to get the projects compiling, jpg has been disabled for now and I wasn't able to test the runtime until I can get my hands on the files required by libgldemo

library/deps/libpng/CMakeLists.txt

@@ -0,0 +1,43 @@
+cmake_minimum_required(VERSION 2.6)
+project(libpng)
+
+set(LIBPNG_SERIES 1)
+set(LIBPNG_MAJOR  5)
+set(LIBPNG_MINOR  11)
+
+set(LIBPNG_SOURCES
+    png.c
+    pngerror.c
+    pngget.c
+    pngmem.c
+    pngpread.c
+    pngread.c
+    pngrio.c
+    pngrtran.c
+    pngrutil.c
+    pngset.c
+    pngtrans.c
+    pngwio.c
+    pngwrite.c
+    pngwtran.c
+    pngwutil.c
+)
+
+include_directories(${ZLIB_INCLUDE})
+
+add_library(libpng_static STATIC ${LIBPNG_SOURCES})
+set_target_properties(libpng_static PROPERTIES
+    OUTPUT_NAME "png${LIBPNG_SERIES}${LIBPNG_MAJOR}"
+    PREFIX "lib"
+    IMPORT_PREFIX "lib"
+    CLEAN_DIRECT_OUTPUT 1)
+
+#### Shared library (uncomment to build)
+#add_library(libpng_shared SHARED ${LIBPNG_SOURCES})
+#set_target_properties(libpng_shared PROPERTIES
+#    OUTPUT_NAME "png${LIBPNG_SERIES}${LIBPNG_MAJOR}"
+#    VERSION ${LIBPNG_SERIES}.${LIBPNG_MAJOR}.${LIBPNG_MINOR}
+#    PREFIX "lib"
+#    IMPORT_PREFIX "lib"
+#    CLEAN_DIRECT_OUTPUT 1)
+#target_link_libraries(libpng_shared zlib_shared m)