diff --git a/sysdeps/ia64/fpu/Makefile b/sysdeps/ia64/fpu/Makefile
index dee9ba78c7..922b68b0cd 100644
--- a/sysdeps/ia64/fpu/Makefile
+++ b/sysdeps/ia64/fpu/Makefile
@@ -4,6 +4,6 @@ libm-sysdep_routines += libm_atan2_reg s_matherrf s_matherrl libm_reduce \
 			$(calls) $(calls:=f) $(long-c-$(long-double-fcts)) \
 			libm_frexp4 libm_frexp4f libm_frexp4l
 
-routines += libm_frexp4 libm_frexp4f libm_frexp4l libc_libm_error
-CPPFLAGS += -DSIZE_INT_32
+sysdep_routines += libm_frexp4 libm_frexp4f libm_frexp4l libc_libm_error
+sysdep-CPPFLAGS += -DSIZE_INT_32
 endif