error: png.h not found.

执行php安装 --enable-mbstring --enable-ftp --enable-gd-native-ttf --with-openssl --enable-pcntl --enable-sockets --with-xmlrpc --enable-zip --enable-soap --without-pear --with-gettext --enable-sessio

执行php安装

--enable-mbstring --enable-ftp --enable-gd-native-ttf --with-openssl --enable-pcntl --enable-sockets --with-xmlrpc --enable-zip --enable-soap --without-pear --with-gettext --enable-session --with-mcrypt --with-curl

出现了第二次异常error: png.h not found.

解决办法：

yum install libpng-devel

dyld Library not loaded Reason image not found 问题解决 添加第三方框架，然后启动app的时候会，提示dyld: Library not loaded: Reason: image not found 网上大部分的做法都是把Build Phases 里对应framework后边的选项修改成为Optional，但这个是治标不治本，还是没法解决问题