gcc -DHAVE_CONFIG_H -I. -I. -I.. -I.. -I../utils -march=i686 -mcpu=i686 -g -O2 -Wall -Wunused -c sinc_interpolation.c
sinc_interpolation.c:130: warning: return-type defaults to `int'
sinc_interpolation.c:130: conflicting types for `bandpass_field'
sinc_interpolation.h:17: previous declaration of `bandpass_field'
sinc_interpolation.c: In function `bandpass_field':
sinc_interpolation.c:132: warning: unused variable `c'
sinc_interpolation.c:132: warning: unused variable `a'
sinc_interpolation.c:131: warning: unused variable `v'
sinc_interpolation.c:189: warning: control reaches end of non-void function
gmake[2]: *** [sinc_interpolation.o] Error 1
