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[PHP](http://www.frostsky.com/tag/php-code/ "Posts tagged with php")的安装虽然有时候很简单，可是如果应用一多，我们安装起来就很头痛了！出错最多的就是安装[PHP](http://www.frostsky.com/tag/php-code/ "Posts tagged with php")扩展的时候了。其实不管是你是Apache类的应用还是Nginx类的，[PHP](http://www.frostsky.com/tag/php-code/ "Posts tagged with php")的安装都不是很简单，虽然网上有很多configure参数，但是那不一定是适合你的，因为很多都直接关系着你的系统版本和内核。因此要自己亲自不断的调试，才能完全安装成功。
本文总结了一些常见的configure错误信息和解决这些错误的经验。
1、configure: [error: No curses/termcap library found](http://www.frostsky.com/tag/error-no-cursestermcap-library-found/ "Posts tagged with error: No curses/termcap library found")
网上有的说法是：–with-named-curses-libs=/usr/lib/libncursesw.so.5
其实是不对的，虽然能解决configure的错误，但是make的时候会提示错误，正确的做法应该是
centos: yum -y install ncurses-devel
debian: apt-get install libncurses5-dev
2、configure: error: [xml2-config not found](http://www.frostsky.com/tag/xml2-config-not-found/ "Posts tagged with xml2-config not found"). Please check your libxml2 installation.
centos: yum -y install libxml2 libxml2-devel
debian: apt-get install libxml2-dev
3、configure: error: Cannot find OpenSSL’s
centos: yum -y install openssl-devel
4、configure: error: [libjpeg.(a|so) not found](http://www.frostsky.com/tag/libjpeg-aso-not-found/ "Posts tagged with libjpeg.(a|so) not found")
centos: yum -y install gd
centos: yum -y install gd-devel
debian: apt-get install libjpeg-dev
5、configure: error: libpng.(a|so) not found.
apt-get install libpng12-dev
6、configure: error: cannot find output from lex; giving up
yum -y install flex
7、configure: error: mod_deflate has been requested but can not be built due to prerequisite failures
centos: yum -y install zlib-devel openssl-devel
debian: apt-get install zlib1g-dev
8、configure: error: libxpm.(a|so) not found.
centos: yum -y install libxpm-dev
debian: apt-get install libxpm-dev
9、configure: error: freetype.h not found.
centos: yum install freetype-devel
debian: apt-get install libfreetype6-dev
10、configure: error: …No recognized SSL/TLS toolkit detected
centos: yum -y install libssl-dev
debian: apt-get install libssl-dev
11、Configure: error: Please reinstall the BZip2 distribution
centos: yum install bzip2 bzip2-devel
debian: apt-get install bzip2-devel
12、Configure: error: Please reinstall the libcurl distribution – easy.h should be in /include/curl/
centos: yum install curl curl-devel (For Redhat & Fedora)
# install libcurl4-gnutls-dev (For Ubuntu)
13、Configure: error: Unable to locate gmp.h
centos: yum install gmp-devel
14、Configure: error: Cannot find MySQL header files under /usr. Note that the MySQL client library is not bundled anymore!
yum install mysql-devel (For Redhat & Fedora)
# apt-get install libmysql++-dev (For Ubuntu)
15、Configure: error: Please reinstall the ncurses distribution
Solutions :
centos: yum install ncurses ncurses-devel
16、Checking for unixODBC support… configure: error: ODBC header file ‘/usr/include/sqlext.h’ not found!
Solutions :
centos: yum install unixODBC-devel
17、Configure: error: Cannot find pspell
Solutions :
centos: yum install pspell-devel
18、configure: error: [mcrypt.h not found](http://www.frostsky.com/tag/mcrypt-h-not-found/ "Posts tagged with mcrypt.h not found"). Please reinstall libmcrypt.
Solutions :
yum install libmcrypt libmcrypt-devel (For Redhat & Fedora)
# apt-get install libmcrypt-dev
19、Configure: error: [snmp.h not found](http://www.frostsky.com/tag/snmp-h-not-found/ "Posts tagged with snmp.h not found"). Check your SNMP installation.
Solutions :
yum install net-snmp net-snmp-devel
20、开启LDAP服务还需要
yum -y install openldap-devel openldap-servers openldap-clients
21、configure: error: cannot find output from lex; giving up
centos: yum -y install flex
22、configure: error: mod_deflate has been requested but can not be built due to prerequisite failures
centos: yum -y install zlib-devel openssl-devel
debian: apt-get install zlib1g-dev
