CODEWITHSUNDEEP
linuxpkg-config
Andres Gonzalez
Andres Gonzalez

Reputation: 2239

why doesn't pkg-config output the "-l" in front of the lib names?

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

Upvotes: 1

Views: 192

Answers (1)

Brett Hale
Brett Hale

Reputation: 22308

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?

Upvotes: 1

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