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nginx模块LuaJIT编译安装问题解决

作者: 曲文庆  日期: 2013-03-19 11:19

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环境：
nginx-1.2.7.tar.gz
LuaJIT-2.0.1.tar.gz
 
按照正常流程对LuaJIT-2.0.1.tar.gz编译，make;make install
编译nginx
        export LUAJIT_LIB=/usr/local/lib
        export LUAJIT_INC=/usr/local/include/luajit-2.0
./configure --prefix=/usr/local/nginx --add-module=exp/lua-nginx-module/   其他模块参数略
 
此时会报告错误
checking for LuaJIT library in /usr/local/lib and /usr/local/include/luajit-2.0 (specified by the LUAJIT_LIB and LUAJIT_INC env) ... not found
        ./configure: error: the ngx_lua addon requires the lua or luajit library and LUAJIT_LIB is defined as /usr/local/lib and LUAJIT_INC /usr/local/include/luajit-2.0, but we cannot find LuaJIT there.
 
但是查看相应目录及文件都存在，对错误细节内容追踪，在 objs/autoconf.err 中包含
 
>> ----------------------------------------
>>   checking for LuaJIT library in /usr/local/lib and
>> /usr/local/include/luajit-2.0 (specified by the LUAJIT_LIB and LUAJIT_INC
>> env)
>>
>>   /usr/local/lib/libluajit-5.1.a(lj_clib.o): In function `lj_clib_unload':
>>   lj_clib.c:(.text+0x9d): undefined reference to `dlclose'
>>   /usr/local/lib/libluajit-5.1.a(lj_clib.o): In function `clib_error_':
>>   lj_clib.c:(.text+0xb5): undefined reference to `dlerror'
>>   /usr/local/lib/libluajit-5.1.a(lj_clib.o): In function `lj_clib_load':
>>   lj_clib.c:(.text+0x1bf): undefined reference to `dlopen'
>>   lj_clib.c:(.text+0x214): undefined reference to `dlerror'
>>   lj_clib.c:(.text+0x2ec): undefined reference to `dlopen'
>>   lj_clib.c:(.text+0x2fd): undefined reference to `dlerror'
>>   /usr/local/lib/libluajit-5.1.a(lj_clib.o): In function `lj_clib_index':
>>   lj_clib.c:(.text+0x47e): undefined reference to `dlsym'
>>   collect2: ld 返回 1
 
通过该提示，可以在 configure 后追加 --with-ld-opt=-ldl 解决编译问题，并能顺利通过，但是不建议自己指定-ldl选项，因为会导致其他问题。
那能否不指定这个选择，顺利完成编译呢？
通过对LuaJIT编译过程分析，发现LuaJIT在编译中未找到ldconfig，分析为此原因导致
编辑 Makefile文件，找到ldconfig位置（75行） 
原内容是：LDCONFIG= ldconfig -n 
修改为：LDCONFIG= /sbin/ldconfig -n
 
然后对LuaJIT重新make install
 
此时再编译nginx，一切顺利。
 
 
标签: nginx luajit
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