编译php时可能出现的错误以及解决办法

./configure --prefix=/usr/local/php --with-apxs2=/usr/local/apache2/bin/apxs --with-config-file-path=/usr/local/php/etc --with-mysql=/usr/local/mysql --with-libxml-dir --with-gd --with-jpeg-dir --with-png-dir --with-freetype-dir --with-iconv-dir --with-zlib-dir  --with-bz2 --with-openssl --with-mcrypt --enable-soap --enable-gd-native-ttf --enable-ftp --enable-mbstring --enable-sockets --enable-exif --disable-ipv6

错误1： configure:error:xml2-config ont found. Please check your libxml2 installation.
解决： yum install -y  libxml2-devel

错误2： configure:error: Cannot find OpenSSL's
解决： yum install -y openssl-devel

错误3： configure: error: mcrypt.h not found. Please reinstall libmcrypt.
解决： yum install -y  libmcrypt-devel

错误4： 在编译php-5.2.10 with php-5.2.10-fpm时，有这样的错误：
/usr/local/src/php-5.2.10/ext/ftp/ ftp.c:291: undefined reference to `SSL_set_fd'
/usr/local/src/php-5.2.10/ext/ftp/ ftp.c:293: undefined reference to `SSL_connect'
/usr/local/src/php-5.2.10/ext/ftp/ ftp.c:287: undefined reference to `SSL_CTX_free'
/usr/local/src/php-5.2.10/ext/ftp/ ftp.c:295: undefined reference to `SSL_shutdown'
collect2: ld returned 1 exit status
make: *** [sapi/cgi/php-cgi] Error 1
解决办法：
1. yum  install -y openssl  openssl-devel  libevent  libevent-devel
2.  make  clean  然后重新  ./config  --with-prefix=/usr/local/php ... (你以前的选项)然后在最后面加上  --with-libevent
3. make