Linker error in IAR

[ananya]

We are using stm32f429i-eval board , with Touchgfx for GUI and IAR embedded tool.

We are facing the following issue:

Error[Li005]: no definition for "HAL_CAN_Init" [referenced from C:\TouchGFXProjects\MyApplicationpost\target\IAR\Debug\Obj\Screen1View.o] 

Error[Li005]: no definition for "HAL_CAN_ConfigFilter" [referenced from C:\TouchGFXProjects\MyApplicationpost\target\IAR\Debug\Obj\Screen1View.o] 

Error[Li005]: no definition for "HAL_CAN_Transmit" [referenced from C:\TouchGFXProjects\MyApplicationpost\target\IAR\Debug\Obj\Screen1View.o] 

Error[Li005]: no definition for "HAL_CAN_GetState" [referenced from C:\TouchGFXProjects\MyApplicationpost\target\IAR\Debug\Obj\Screen1View.o] 

Error[Li005]: no definition for "HAL_CAN_Receive" [referenced from C:\TouchGFXProjects\MyApplicationpost\target\IAR\Debug\Obj\Screen1View.o] 

Error while running Linker 

[Tesla DeLorean]

Make sure the libraries CAN source files are added to the project.​

[ananya]

The C file containing the function definitions of these functions i.e stm32f4xx_hal_can.c is included in the project.

[Tesla DeLorean]

Linker says it can't see them.

Check you have CAN modules selected in stm32f4xx_hal_conf.h