近日在添加PHP-imap扩展时需要到一些问题：直接编译存在找不到源码安装的OpenSSL库的情况，而使用Yum安装的会依赖其它包，尤其是系统自带的openssl-devel库。
经查找实践现已解决，用源码编译安装:
wget ftp://ftp.cac.washington.edu/mail/imap.tar.Z tar zxf imap.tar.z -C /usr/local/src/ cd /usr/local/src/imap-2007f make slx SSLINCLUDE=/usr/local/openssl/include/ SSLLIB=/usr/local/openssl/lib/ EXTRACFLAGS=-fPIC mkdir /usr/local/imap-2007f/ mkdir /usr/local/imap-2007f/include/ mkdir /usr/local/imap-2007f/lib/ mkdir /usr/local/imap-2007f/c-client/ cp c-client/*.h /usr/local/imap-2007f/include/ cp c-client/*.c /usr/local/imap-2007f/lib/ cp c-client/*.c /usr/local/imap-2007f/c-client/ cp c-client/c-client.a /usr/local/imap-2007f/lib/libc-client.a cp c-client/c-client.a /usr/local/imap-2007f/c-client/libc-client.a cd /usr/local/src/php-7.1.4/ext/imap/ /usr/local/php7/bin/phpize ./configure --with-php-config=/usr/local/php7/bin/php-config --with-imap=/usr/local/imap-2007f --with-imap-ssl=/usr/local/openssl/ make -j `cat /proc/cpuinfo | grep processor | wc -l` && make install echo 'extension=/usr/local/php7/lib/php/extensions/no-debug-zts-20151012/imap.so' >> /usr/local/php7/php.ini httpd -k graceful
Apache重载之后，便可看到IMAP扩展已添加上:
