Problems with Truestudio and IAR

Discuss how to use the features of Atollic TrueSTUDIO, including the editor, assembler, C/C++ compiler, linker, debugger, static code analysis and team collaboration tools.

Moderators: Markus Girdland, Mattias Norlander

Posts: 1
Joined: Mon Aug 19, 2019 1:50 pm

Problems with Truestudio and IAR

Postby ledi001 » Mon Aug 19, 2019 1:59 pm


i am using Truestudio (V 9.3.0) with IAR compiler (IAR Embedded Workbench 8.32) for programming STM32 M4 Controllers.
After importing an IAR Project, choosing the right target and so on, i get the message during compiling...

Error[Pe046]: "__CORE__" is predefined; attempted redefinition ignored

Can somebody help me what is going wrong?

Mattias Norlander
Posts: 273
Joined: Fri Apr 29, 2016 10:01 am

Re: Problems with Truestudio and IAR

Postby Mattias Norlander » Wed Aug 21, 2019 11:53 am

It will certainly not work out-of-the-box. You will need to read the "IAR to Atollic TrueSTUDIO migration guide".
There will be quite likely be files missing and symbols that needs to be defined or translated from IAR to GCC..

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