STM32CubeMX version 6.4.0 generates code with missing REENT.H file

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STM32CubeMX

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Khouloud ZEMMELIBest answer

ST Employee

Hi again @Rajeev Arora ,

Thank you for providing your ioc file, it helped me to reproduce the problem.

Actually, it's a normal behavior, in fact, when USE_NEWLIB_REENTRANT is enabled when using Keil or IAR toolchain, CubeMx project compilation will fail : "cannot open source file "reent.h".

For that, the USE_NEWLIB_REENTRANT parameter must be Disabled with EWARM OR MDK-ARM.

(There's a warning when you generate your project, mentioning the information)

Hope my answer helped you :)

Khouloud

Rajeev AroraAuthor

Senior

Hello @Khouloud ZEMMELI

STM32CubeMX version 6.4.0 generates code with missing REENT.H file when code is generated for MDK-ARM (minimum version V5.32)

compiling freertos.c...
../Middlewares/Third_Party/FreeRTOS/Source/include/FreeRTOS.h(71): error: #5: cannot open source input file "reent.h": No such file or directory
 	#include <reent.h>
../Core/Src/freertos.c: 0 warnings, 1 error

Please help fix the issue.

Regards,

Rajeev