c - Keil Linker Error L6002 with X-CUBE-CRYPTOLIB: Could not open file libSTM32Cryptographic_CM0_CM0PLUS.a : No such file or dir

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I want to use the X-CUBE-CRYPTOLIB (CMOX) of my STM32 in Keil and installed it properly and selected my required modules. I can use the functions, header files etc. But if I want to compile, I am always getting the linker error saying it can't find the crypto lib even though I can 100% confirm the file is there.

..\file.axf: error: L6002U: Could not open file ..\STM32CubeExpansion_Crypto\Middlewares\ST\STM32_Cryptographic\lib\libSTM32Cryptographic_CM0_CM0PLUS.a : No such file or directory

Even copying the file to several folders of the project doesn't work. I also tried to use an absolute path instead of relative but no difference (also because Keil seems to automatically turn it back into a relative path). I also tried linking the using the compiler flag --libpath [path to .a file] as the documentation suggests.

All in all it really seems like it just can't open the file for some reason. It might even be an internal linker error.

I want to use the X-CUBE-CRYPTOLIB (CMOX) of my STM32 in Keil and installed it properly and selected my required modules. I can use the functions, header files etc. But if I want to compile, I am always getting the linker error saying it can't find the crypto lib even though I can 100% confirm the file is there.

..\file.axf: error: L6002U: Could not open file ..\STM32CubeExpansion_Crypto\Middlewares\ST\STM32_Cryptographic\lib\libSTM32Cryptographic_CM0_CM0PLUS.a : No such file or directory

Even copying the file to several folders of the project doesn't work. I also tried to use an absolute path instead of relative but no difference (also because Keil seems to automatically turn it back into a relative path). I also tried linking the using the compiler flag --libpath [path to .a file] as the documentation suggests.

All in all it really seems like it just can't open the file for some reason. It might even be an internal linker error.

• c
• linker
• arm
• keil
• cmox

Share Follow edited Mar 11 at 9:43 halfer 20.4k1919 gold badges109109 silver badges202202 bronze badges asked Mar 10 at 8:26 JakobJakob 1,93522 gold badges1616 silver badges3131 bronze badges 8

• 1 Is the Keil compiler compatible with gcc archives? Could this be the issue. – artless-noise-bye-due2AI Commented Mar 10 at 14:09
• @artless-noise-bye-due2AI Thanks for your answer. I did some research on your answer, but it seems like it should be compatible. I have also seen other people doing it. I am using the armlinker v6.22 (if that is important). Also I would expect a different exception than "No such file or directory". – Jakob Commented Mar 10 at 14:54
• 1 It could be a '/' and '\' issue. Can you open if it is in the same location as the build (without any path)? Yes, you would expect a different diagnostic, but when things go wrong it is quite common to get bad guesses as to what went wrong. It is difficult to make good diagnostic messages. – artless-noise-bye-due2AI Commented Mar 10 at 15:55
• 1 The .a is are archive. You should be able to extract (using -x option) the .o files inside and try to use them directly. Either as a solution and/or to help diagnose the issue. – artless-noise-bye-due2AI Commented Mar 11 at 12:53
• 1 You are free to self answer. – artless-noise-bye-due2AI Commented Mar 12 at 17:40

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1 Answer 1

Sorted by: Reset to default 1

Thanks to  artless-noise-bye-due2AI for suggesting the the working solution in the comments.

The solution was to extract the .a file using e.g. 7zip and import all extracted .o files into Keil.

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