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Editorial Team
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Asked: 2026-06-03T21:23:41+00:00

When I use pkg-config –libs , the output contains many references to libraries. However,

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When I use pkg-config –libs , the output contains many references to libraries. However, some of these libs do NOT have the “-l” in front of them so the linker does not know what to do with the name. For example, I will get the output: stdc++ instead of -lstdc++

What would cause pkg-config to do this?

Also, where does pkg-config get its information? The man page says it uses .ps files in the “prefix” directory. But where are these prefix directories?

-Andres

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1 Answer

  1. Editorial Team

    The $PKG_CONFIG_PATH can be set for additional paths to search for *.pc files. You can query the default paths with:

    pkg-config –variable pc_path pkg-config

    The --libs output is determined by the Libs: line in the .pc file; usually with something like:

    Libs: -L${libdir} -lfoo

    Perhaps the .pc file you are referencing is not correctly constructed?

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