新系统装少了软件包，导致的毛病真多，现在给apache加rewrite模块又出毛病了

Cannot load /usr/local/apache/libexec/mod_rewrite.so into server: /usr/local/apache/libexec/mod_rewrite.so: undefined symbol: dbm_fetch

google之，得到解决办法，
到目录apache_1.3.37/src/modules/standard

 gcc -shared -o mod_rewrite.so mod_rewrite.lo
／＊没报错＊／
gcc -shared -o mod_rewrite.so mod_rewrite.lo -lgdbm
／＊这下出错了，下面是错误信息＊／
/usr/bin/ld：找不到 -lgdbm
collect2: ld 返回 1

 找不到－gdbm这个库，又是因为我装系统时没选上

到我的fedora光盘去搜索*dbm*的rpm包，找到2个

gdbm-1.8.0-26.2.i386.rpm  gdbm-devel-1.8.0-26.2.i386.rpm

rpm -ivh gdbm-devel-1.8.0-26.2.i386.rpm
／＊rpm成功＊／
重新执行
gcc -shared -o mod_rewrite.so mod_rewrite.lo -lgdbm
／＊没报错，gcc成功了＊／

ok，将新编译好的mod_rewrite.so库文件cp到/usr/local/apache/libexec/
执行apachectl start
返回成功启动，thanks all