cbuildgen make I2C_MasterTransmit_IT-NUCLEO-F429ZI.cprj --toolchain=AC6 --outdir=BUILD --intdir=BUILD
...
M652: Generated makefile for project build: 'xxx/I2C_MasterTransmit_IT/BUILD/I2C_MasterTransmit_IT-NUCLEO-F429ZI.mak'
[1/3] Compiling C:/cube/infra/Firmware/Samples/HAL/I2C/I2C_MasterTransmit_IT/main.c
[2/3] Compiling C:/cube/infra/Firmware/Samples/HAL/I2C/I2C_MasterTransmit_IT/sample.c
[3/3] Linking to C:/cube/infra/Firmware/Samples/HAL/I2C/I2C_MasterTransmit_IT/BUILD/image.axf
...