How to compile with an another libC on Linux? (gcc)

Question

I want to compile my C program with an another C library like dietlibc or musl.

What gcc option should I use for this purpose?

man gcc, search for libraries (you can do this in google or on your system) — KevinDTimm
– KevinDTimm, Commented Aug 24, 2016 at 16:26

Employed Russian · Accepted Answer · 2016-08-28 03:19:53Z

4

What gcc option should I use for this purpose?

You should read dietlibc or musl documentation. Example for dietlibc from here:

diet gcc -pipe -g -o t t.c

That is: dietlibc provides a wrapper command called diet which takes care of this for you.

Example for musl from here:

musl-gcc -static -Os hello.c

That is, musl provides a wrapper command called musl-gcc which takes care of this for you.

You can examine musl-gcc and diet to see exactly what options they pass the to the linker. Note however that the exact options may change from version to version, and you are better off always using the wrappers even if you know exactly which flags they pass.

answered Aug 28, 2016 at 3:19

Employed Russian

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2 Comments

Unmanned Player Over a year ago

If you actually look inside these scripts, the "take care" part is generally done by providing the correct ld scripts to link it with their respective libraries. Would be good, if OP actually gets to read that.

einpoklum Over a year ago

Can I do it without the wrapper?

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