prefix=/dev/env/DJDIR
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
includedir=${prefix}/include

Name: FFTW
Description: fast Fourier transform library
Version: 3.1.2  (DJGPP port 2006-10-17 (r1))
Libs: -L${libdir} -lfftw -lm
Cflags: -I${includedir}