pkg-config doesn't work on Cygwin

Question

I try to compile a program (OpenFP) using cygwin. The program depends on a package FFTW3 which I\'ve compiled and installed succesfully. However when I launch <

Answer 1

You should add /usr/local/lib/pckconfig to your PKG_CONFIG_PATH:

$ export PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig

This tells pkg-config to look in an additional location, besides its standard path.