如何通过库名找到库的文件名? [英] How to I find the filename of a library via the library name?

问题描述

如何通过库名找到库的文件名?

How to I find the filename of a library via the library name?

换句话说，当我使用"-lc"时，我知道它是/lib/libc.so.6(或类似名称.)我希望能够键入一些命令，其中"-lc"是输入，输出为"/lib/libc.so.6".为了进一步扩展这个想法，我想指定自己的搜索路径，以便可以将此库解析器用于不同的工具链...任何帮助都很棒，

In otherwords, when I use "-lc", I know it is /lib/libc.so.6 (or something similar.) I want to be able to type some command where "-lc" is the input and "/lib/libc.so.6" is the output. To extend this idea futher, I wanted to specify my own search path so I can use this library resolver for different toolchains... Any help would be awesome,

谢谢 钦茨

推荐答案

如果要找出给定的GCC在哪里可以找到libc.a或libc.so，请执行以下操作:

If you want to find out where a given GCC will find libc.a or libc.so, do this:

gcc --print-file-name=libc.a
gcc --print-file-name=libc.so

-lc转换为libc.so.6的原因有些复杂:对于glibc，libc.so是一个链接描述文件，通常包含:

The reason -lc translates into libc.so.6 is somewhat complicated: for glibc, libc.so is a linker script, which usually contains:

/* GNU ld script
   Use the shared library, but some functions are only in
   the static library, so try that secondarily.  */
OUTPUT_FORMAT(elf32-i386)
GROUP ( /lib/libc.so.6 /usr/lib/libc_nonshared.a  AS_NEEDED ( /lib/ld-linux.so.2 ) )

或类似的东西.

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