为了启用gd，我将原来php5.0.4替换为phh5.1.2，编译配置如下
'./configure' '--build=i386-redhat-linux' '--host=i386-redhat-linux' '--target=i386-redhat-linux-gnu' '--program-prefix=' '--prefix=/usr' '--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin' '--sysconfdir=/etc' '--datadir=/usr/share' '--includedir=/usr/include' '--libdir=/usr/lib' '--libexecdir=/usr/libexec' '--localstatedir=/var' '--sharedstatedir=/usr/com' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--cache-file=../config.cache' '--with-libdir=lib' '--with-config-file-path=/etc' '--with-config-file-scan-dir=/etc/php.d' '--disable-debug' '--with-pic' '--disable-rpath' '--with-bz2' '--with-curl' '--with-exec-dir=/usr/bin' '--with-freetype-dir=/usr' '--with-png-dir=/usr' '--enable-gd-native-ttf' '--without-gdbm' '--with-gettext' '--with-gmp' '--with-iconv' '--with-jpeg-dir=/usr' '--with-openssl' '--with-png' '--with-pspell' '--with-expat-dir=/usr' '--with-pcre-regex=/usr' '--with-zlib' '--with-layout=GNU' '--enable-exif' '--enable-ftp' '--enable-magic-quotes' '--enable-sockets' '--enable-sysvsem' '--enable-sysvshm' '--enable-sysvmsg' '--enable-track-vars' '--enable-trans-sid' '--enable-yp' '--enable-wddx' '--with-pear=/usr/share/pear' '--with-kerberos' '--enable-ucd-snmp-hack' '--with-unixODBC=shared,/usr' '--enable-memory-limit' '--enable-shmop' '--enable-calendar' '--enable-dbx' '--enable-dio' '--with-mime-magic=/usr/share/file/magic.mime' '--without-sqlite' '--with-libxml-dir=/usr' '--with-xml' '--with-apxs2=/usr/sbin/apxs' '--with-mysql' '--with-gd' '--without-odbc' '--enable-dom' '--disable-dba' '--enable-inline-optimization'
然而在phpinfo中没有kbs_bbs support enabled 这一行，而我的php.ini已经修改如下
extension_dir = /var/www/libexec
extension=libphpbbslib.so

启动httpd时警告如下 [warn] module php5_module is already loaded, skipping
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FROM 59.66.170.*

apache2handler
Apache Version  Apache/2.0.54 (Fedora)
Apache API Version      20020903
Server Administrator    root@localhost
Hostname:Port   localhost.localdomain:0
User/Group      bbs(501)/501
Max Requests    Per Child: 4000 - Keep Alive: off - Max Per Connection: 100
Timeouts        Connection: 120 - Keep-Alive: 15
Virtual Server  No
Server Root     /etc/httpd
Loaded Modules  core prefork http_core mod_so mod_access mod_auth mod_auth_anon mod_auth_dbm mod_auth_digest util_ldap mod_auth_ldap mod_include mod_log_config mod_logio mod_env mod_mime_magic mod_cern_meta mod_expires mod_deflate mod_headers mod_usertrack mod_setenvif mod_mime mod_dav mod_status mod_autoindex mod_asis mod_info mod_dav_fs mod_vhost_alias mod_negotiation mod_dir mod_actions mod_speling mod_userdir mod_alias mod_rewrite mod_proxy proxy_ftp proxy_http proxy_connect mod_cache mod_suexec mod_disk_cache mod_file_cache mod_mem_cache mod_cgi mod_php5 mod_auth_kerb mod_auth_mysql mod_auth_pgsql mod_authz_ldap mod_perl mod_python mod_ssl mod_dav_svn mod_authz_svn

Directive       Local Value     Master Value
engine  1       1
last_modified   0       0
xbithack        0       0

Apache Environment
Variable        Value
HTTP_HOST       127.0.0.1
HTTP_USER_AGENT         Mozilla/5.0 (X11; U; Linux i686; zh-CN; rv:1.7.8) Gecko/20050524 Fedora/1.0.4-4 Firefox/1.0.4
HTTP_ACCEPT     text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
HTTP_ACCEPT_LANGUAGE    zh-cn,zh;q=0.5
HTTP_ACCEPT_ENCODING    gzip,deflate
HTTP_ACCEPT_CHARSET     gb2312,utf-8;q=0.7,*;q=0.7
HTTP_KEEP_ALIVE         300
HTTP_CONNECTION         keep-alive
PATH    /sbin:/usr/sbin:/bin:/usr/bin:/usr/X11R6/bin
SERVER_SIGNATURE        <address>Apache/2.0.54 (Fedora) Server at 127.0.0.1 Port 80</address>
SERVER_SOFTWARE         Apache/2.0.54 (Fedora)
SERVER_NAME     127.0.0.1
SERVER_ADDR     127.0.0.1
SERVER_PORT     80
REMOTE_ADDR     127.0.0.1
DOCUMENT_ROOT   /var/www/html
SERVER_ADMIN    root@localhost
SCRIPT_FILENAME         /var/www/html/info.php
REMOTE_PORT     44307
GATEWAY_INTERFACE       CGI/1.1
SERVER_PROTOCOL         HTTP/1.1
REQUEST_METHOD  GET
QUERY_STRING    no value
REQUEST_URI     /info.php
SCRIPT_NAME     /info.php

【 在 atppp (Big Mouse) 的大作中提到: 】
: 检查apache配置
: 检查phpinfo看是否改的确实是正确的php.ini
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FROM 59.66.170.*