[ 93%] Linking C executable phy_test.elf
../../framework/libframework.a(ucs.c.obj): In function `privateUCSSourceClockFromDCO':
/home/kishan/kishan/dash7/dash7-ap-open-source-stack-master/stack/framework/hal/chips/cc430/driverlib/MSP430F5xx_6xx/ucs.c:84: undefined reference to `__mulsi2_f5'