ifeq ($(subdir),math) libm-sysdep_routines += w_sqrtf128-power9 w_sqrtf128-ppc64le CFLAGS-w_sqrtf128-ppc64le.c += -mfloat128 CFLAGS-w_sqrtf128-power9.c += -mfloat128 -mcpu=power9 endif