Anyway to turn a .so library into .a library?

[Riasat Abir]

Hi,

Previously I built all the libraries shared, but as I was facing problem with reference across shared libraries, I want to make .a libraries instead of .so lib

Is there anyway to convert from .so to .a?

I tried to compile just changing the include $(BUILD_SHARED_LIBRARY)  to include $(BUILD_STATIC_LIBRARY), but that gave bunch of undefined reference which I could not manage to resolve.

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HimHim

[Riasat Abir]

I mean I've built the modules into .so file

using this .so file can i build the .a file of the libraries?

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HimHim

[simons....@gmail.com]

no way...

.so file are already linked (and maybe stripped down of unused code)

.a files are just a bunch of .o files (not linked)

you just can't "convert" a .so in a .a

sorry

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[Riasat Abir]

Thanks.

Also I've learned a new thing regarding making static libraries which might be helpful for beginners to know.

If there are 3 libraries A(shared), B(static), C(static): A depends on B. B depends on C.

Then when making the library of B, I had to add local static library C. (not a new thing!)

Then when making the library of A, I had to add local static library both B & C. (At first I thought including B would be enough!)

Regards,

Riasat

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HimHim

[simons....@gmail.com]

right!

when compiling B of course you need to to tell that it depends on C, but that's only to make B aware of what's declared in C (headers for structs and functions, so just adding a -Ipath/to/C/include to B CFLAGS should be enough for the compiler to be happy)

but when you are building A (which is a shared lib so after compilation, linking will happens), you need to tell all dependencies so the linker can pull all required definitions of functions and external variables defined in both B and C