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HomeBackend DevelopmentPHP Tutorial求助:libpng编译问题

编译libpng时出现以下错误:

/usr/bin/ld: cannot find -lz
collect2: ld returned 1 exit status
make[1]: *** [libpng12.la] 错误 1
make[1]: Leaving directory `/usr/local/src/libpng-1.2.31'
make: *** [all] 错误 2



/**
*    zlib已装好. 
*/


回复讨论(解决方案)

回到zlib目录执行make clean命令,然后依次执行./configure、make、make install,其中configure时不要设置--prefix的值。然后回来配置libpng,成功(没有删除前一次在配置zlib时创建的目录/usr/local/zlib,不知道以后会不会产生影响)。解决。

./libtool --mode=link gcc -L /usr/local/zlib/lib -o cjpeg cjpeg.lo rdppm.lo rdgif.lo rdtarga.lo rdrle.lo rdbmp.lo rdswitch.lo cdjpeg.lo libjpeg.la 
libtool: link: `-L' cannot specify a relative directory
make: *** [cjpeg] 错误 1

不知道这个是怎么回事?

应该是需要其它东西。

检查下你系统是否安装了libtool,可以用rpm -qa|grep libtool

没有就用yum install libtool//这样安装

jpeg编译好了没

检查下你系统是否安装了libtool,可以用rpm -qa|grep libtool

没有就用yum install libtool//这样安装

jpeg编译好了没

libtool 装好了。 

2楼的问题就是编译jpeg时出现的问题

我好像没有遇到过样的问题
libtool: link: `-L' cannot specify a relative directory//libtool的:链接:'- L'不能指定相关目录

重新编译吧,给你两个网址,尽提供参考
centos安装GD库整个过程 :  http://www.tabcn.cn/post/18.html
CentOS 5.5下源码安装配置Apache,PHP5.2.14,MySql  : http://www.linux99.com/bbs/thread-36-1-1.html

问题终于解决,谢谢两位。  

怎么解决的,我这里也出现这种问题了。

我也出现这个问题,并且 libtool 系统默认安装了  libtool-1.5.22-6.1

但问题依旧,请大神相助啊


/usr/bin/ld: /usr/local/lib/libz.a(crc32.o): relocation R_X86_64_32 against `a local symbol' can not be used when making a shared object; recompile with -fPIC
/usr/local/lib/libz.a: could not read symbols: Bad value
collect2: ld returned 1 exit status
make[1]: *** [libpng12.la] Error 1
make[1]: Leaving directory `/usr/local/src/libpng-1.2.31'
make: *** [all] Error 2

问题终于解决,谢谢两位。   怎么就解决了,我这也出现了这样的问题,求您好帮忙

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