PHP编译安装、常用配置及常见错误
一、编译安装：
更改扩展一般需要重新编译，增加扩展可以通过php/bin目录下phpize php-config来动态增加php扩展
http://php.net/downloads.php官网下载压缩包，解压到服务器，或者在http://museum.php.net/php5/查看所需版本源码包，直接服务器命令行下载"wget http://museum.php.net/php5/php-5.6.2-tar.gz" 并解压，然后进行以下操作：
cd php-5.6.23/./buildconf --force./configure --prefix=/usr/local/php-5.6.23 --with-config-file-path=/usr/local/php-5.6.23/etc --with-mysql=/usr/local/mysql\--with-mysqli=/usr/local/mysql/bin/mysql_config --enable-fastcgi --enable-fpmmake ZEND_EXTRA_LIBS='-liconv'make installlibiconv下载路径：http://www.gnu.org/software/libiconv/
二、常用配置：
注意–prefix安装路径、–with-config-file-path配置文件路径，并且打开fastcgi和fpm选项
./configure --prefix=/usr/local/php-5.6.21 --with-config-file-path=/usr/local/php-5.6.21/etc --with-mysql=mysqlnd --with-mysqli=mysqlnd --with-bz2 --with-curl=/usr/local/curl720 --enable-ftp --enable-sockets --disable-ipv6 --with-jpeg-dir=/usr/local/jpeg.6 --with-png-dir=/usr/local/libpng.1.2.8 --with-freetype-dir=/usr/local/freetype.2.1.10 --enable-gd-native-ttf --with-iconv-dir=/usr/local/libiconv1.14 --enable-calendar --with-gettext --with-libxml-dir=/usr/local --with-zlib --with-pdo-mysql=mysqlnd --enable-dom --enable-xml --enable-fpm --with-libdir=lib64 --with-mcrypt --enable-zip --enable-soap --enable-mbstring --with-gd --with-openssl --enable-pcntl --with-xmlrpc --enable-opcache
三、常见错误：
在CentOS编译PHP5的时候有时会遇到以下的一些错误信息，基本上都可以通过yum安装相应的库来解决。以下是具体的一些解决办法：
checking for BZip2 support… yes checking for BZip2 in default path… not found configure: error: Please reinstall the BZip2 distribution
Fix: yum install bzip2-devel
checking for cURL support… yes checking if we should use cURL for url streams… no checking for cURL in default path… not found configure: error: Please reinstall the libcurl distribution – easy.h should be in/include/curl/
Fix: yum install curl-devel
checking for curl_multi_strerror in -lcurl… yes checking for QDBM support… no checking for GDBM support… no checking for NDBM support… no configure: error: DBA: Could not find necessary header file(s).
Fix: yum install db4-devel
checking for fabsf… yes checking for floorf… yes configure: error: jpeglib.h not found.
Fix: yum install libjpeg-devel
checking for fabsf… yes checking for floorf… yes checking for jpeg_read_header in -ljpeg… yes configure: error: png.h not found.
Fix: yum install libpng-devel
checking for png_write_image in -lpng… yes If configure fails try –with-xpm-dir=
configure: error: freetype.h not found.
Fix: Reconfigure your PHP with the following option. --with-xpm-dir=/usr yum install freetype-devel
checking for png_write_image in -lpng… yes configure: error: libXpm.(a|so) not found.
Fix: yum install libXpm-devel
checking for bind_textdomain_codeset in -lc… yes checking for GNU MP support… yes configure: error: Unable to locate gmp.h
Fix: yum install gmp-devel
checking for utf8_mime2text signature… new checking for U8T_DECOMPOSE… configure: error: utf8_mime2text() has new signature, but U8T_CANONICAL is missing. This should not happen. Check config.log for additional information.
Fix: yum install libc-client-devel
checking for LDAP support… yes, shared checking for LDAP Cyrus SASL support… yes configure: error: Cannot find ldap.h
Fix: yum install openldap-devel
checking for mysql_set_character_set in -lmysqlclient… yes checking for mysql_stmt_next_result in -lmysqlclient… no checking for Oracle Database OCI8 support… no checking for unixODBC support… configure: error: ODBC header file ‘/usr/include/sqlext.h’ not found!
Fix:
yum install unixODBC-devel
checking for PostgreSQL support for PDO… yes, shared checking for pg_config… not found configure: error: Cannot find libpq-fe.h. Please specify correct PostgreSQL installation path
Fix: yum install postgresql-devel
checking for sqlite 3 support for PDO… yes, shared checking for PDO includes… (cached) /usr/local/src/php-5.3.7/ext checking for sqlite3 files in default path… not found configure: error: Please reinstall the sqlite3 distribution
Fix: yum install sqlite-devel
checking for utsname.domainname… yes checking for PSPELL support… yes configure: error: Cannot find pspell
Fix: yum install aspell-devel
checking whether to enable UCD SNMP hack… yes checking for default_store.h… no
checking for kstat_read in -lkstat… no checking for snmp_parse_oid in -lsnmp… no checking for init_snmp in -lsnmp… no configure: error: SNMP sanity check failed. Please check config.log for more information.
Fix: yum install net-snmp-devel
checking whether to enable XMLWriter support… yes, shared checking for xml2-config path… (cached) /usr/bin/xml2-config checking whether libxml build works… (cached) yes checking for XSL support… yes, shared configure: error: xslt-config not found. Please reinstall the libxslt >= 1.1.0 distribution
Fix: yum install libxslt-devel
configure: error: xml2-config not found. Please check your libxml2 installation.
Fix: yum install libxml2-devel
checking for PCRE headers location… configure: error: Could not find pcre.h in /usr
Fix: yum install pcre-devel
configure: error: Cannot find MySQL header files under yes. Note that the MySQL client library is not bundled anymore!
Fix: yum install mysql-devel
checking for unixODBC support… configure: error: ODBC header file ‘/usr/include/sqlext.h’ not found!
Fix: yum install unixODBC-devel
checking for pg_config… not found configure: error: Cannot find libpq-fe.h. Please specify correct PostgreSQL installation path
Fix:
yum install postgresql-devel
configure: error: Cannot find pspell
Fix: yum install pspell-devel
configure: error: Could not find net-snmp-config binary. Please check your net-snmp installation.
Fix: yum install net-snmp-devel
configure: error: xslt-config not found. Please reinstall the libxslt >= 1.1.0 distribution
Fix: yum install libxslt-devel
编译安装PDO_MYSQL拓展模块，总是提示
In file included from /data0/software/PDO_MYSQL-1.0.2/pdo_mysql.c:31: /data0/software/PDO_MYSQL-1.0.2/php_pdo_mysql_int.h:25:19: error: mysql.h: No such file or directory In file included from /data0/software/PDO_MYSQL-1.0.2/pdo_mysql.c:31: /data0/software/PDO_MYSQL-1.0.2/php_pdo_mysql_int.h:36: error: expected specifier-qualifier-list before ‘MYSQL’ /data0/software/PDO_MYSQL-1.0.2/php_pdo_mysql_int.h:48: error: expected specifier-qualifier-list before ‘MYSQL_FIELD’ /data0/software/PDO_MYSQL-1.0.2/php_pdo_mysql_int.h:53: error: expected specifier-qualifier-list before ‘MYSQL_RES’ make: *** [pdo_mysql.lo] Error 1
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这是因为这是因为在编译时需要 MySQL 的头的文件。而它按默认搜索找不到头文件的位置，所以才出现这个问题。通过软连接把MySQL头文件对应到/usr/local/include/下就好
比如你的MySQL安装文件位于/usr/local/mysql，那么就执行以下命令：
# ln -s /usr/local/mysql/include/* /usr/local/include/
make时 出现 undefined reference to libiconv_open
Fix: make ZEND_EXTRA_LIBS='-liconv' 或者 configure后修改Makefile文件：
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