prefix=/usr/local/gcc-arm-muntsos-linux-gnueabihf-ctng-raspberrypi1/arm-muntsos-linux-gnueabihf/libc/usr
exec_prefix=${prefix}
libdir=${prefix}/lib
includedir=${prefix}/include

Name: libsodium
Version: 1.0.20
Description: A modern and easy-to-use crypto library

Libs: -L${libdir} -lsodium
Libs.private: -lpthread -pthread 
Cflags: -I${includedir}