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rsync，符号未解析但找到库

tag-icon • tag-icon linux rsync libraries symbols
rsync，符号未解析但找到库

在嵌入式系统中我无法运行 rsync：

$ rsync 
/usr/bin/rsync: symbol 'poptHelpOptions': can't resolve symbol
/usr/bin/rsync: symbol '_poptBitsN': can't resolve symbol
/usr/bin/rsync: symbol '_poptArgMask': can't resolve symbol
/usr/bin/rsync: symbol '_poptBitsK': can't resolve symbol
/usr/bin/rsync: symbol '_poptBitsM': can't resolve symbol
/usr/bin/rsync: symbol 'poptAliasOptions': can't resolve symbol
/usr/bin/rsync: symbol 'poptHelpOptionsI18N': can't resolve symbol

但似乎找到了依赖项：

$ ldd /usr/bin/rsync 
    libz.so.1 => /usr/lib/libz.so.1 (0x76f36000)
    libpopt.so.0 => /usr/lib/libpopt.so.0 (0x76f1b000)
    libc.so.1 => /lib/libc.so.1 (0x76ea2000)
    libc.so.6 => /usr/lib/libc.so.6 (0x76d61000)
    ld-linux-armhf.so.3 => /lib/ld-linux-armhf.so.3 (0x76d30000)
    ld-uClibc.so.1 => /lib/ld-uClibc.so.0 (0x76f57000)

还有其他原因会导致这些错误吗？这是 armv7l 上的 Buildroot 环境（内核 4.4.8-v7）。

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