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標(biāo)題: chrpath工具使用 [打印本頁]

作者: fewlife 時(shí)間: 2009-10-26 13:43
標(biāo)題: chrpath工具使用
by tangke  2009-10-26
chrpath是用來改變程序的depends lib 的搜索路徑的,比如我們一般使用
$ldd  application
linux-vdso.so.1 =>  (0x00007fff89844000)
libQt3Support.so.4 => /usr/lib/libQt3Support.so.4 (0x00007f53f7424000)
libQtSql.so.4 => /usr/lib/libQtSql.so.4 (0x00007f53f71e6000)
libQtXml.so.4 => /usr/lib/libQtXml.so.4 (0x00007f53f6f9f000)
libQtNetwork.so.4 => /usr/lib/libQtNetwork.so.4 (0x00007f53f6c84000)
libQtGui.so.4 => /usr/lib/libQtGui.so.4 (0x00007f53f60d0000)
libQtCore.so.4 => /usr/lib/libQtCore.so.4 (0x00007f53f5c99000)
libpthread.so.0 => /lib/libpthread.so.0 (0x00007f53f5a7d000)
libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0x00007f53f576d000)
libm.so.6 => /lib/libm.so.6 (0x00007f53f54e9000)
libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x00007f53f52d2000)
那么我們現(xiàn)在想改變一個(gè)so庫的搜索路徑，不使用/usr/lib/下面的，而是用/usr/local/lib目錄下面的，那么就可以使用chrpath工具了
$chrpath -r "/usr/local/lib/" application
application: RUNPATH=/usr/lib
application: new RUNPATH: /usr/local/lib
$chrpath -c application
application: RUNPATH=/usr/local/lib
$ldd application
linux-vdso.so.1 =>  (0x00007fff76555000)
libQt3Support.so.4 => /usr/local/lib/libQt3Support.so.4 (0x00007ff62e8a8000)
libQtSql.so.4 => /usr/local/lib/libQtSql.so.4 (0x00007ff62e666000)
libQtXml.so.4 => /usr/local/lib/libQtXml.so.4 (0x00007ff62e41d000)
libQtNetwork.so.4 => /usr/local/lib/libQtNetwork.so.4 (0x00007ff62e0f0000)
libQtGui.so.4 => /usr/local/lib/libQtGui.so.4 (0x00007ff62d436000)
libQtCore.so.4 => /usr/local/lib/libQtCore.so.4 (0x00007ff62cfa6000)

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