EX_CHECK_ALL(png, png_access_version_number, png.h, libpng, 1.2.5, http://prdownloads.sourceforge.net/libpng/)
EX_CHECK_ALL(freetype, FT_Init_FreeType, ft2build.h, freetype, 2.1.5, http://prdownloads.sourceforge.net/freetype/)
EX_CHECK_ALL(png, png_access_version_number, png.h, libpng, 1.2.5, http://prdownloads.sourceforge.net/libpng/)
EX_CHECK_ALL(freetype, FT_Init_FreeType, ft2build.h, freetype, 2.1.5, http://prdownloads.sourceforge.net/freetype/)