Seems to be unable to find hidapi, even when installed using homebrew (according to docs):
➜ msigd git:(master) ✗ make TARGET=osx
Compiling src/msigd.cpp...
In file included from src/msigd.cpp:7:
src/phid.h:19:11: fatal error: 'hidapi/hidapi.h' file not found
#include <hidapi/hidapi.h>
^~~~~~~~~~~~~~~~~
1 error generated.
make: *** [src/msigd.o] Error 1
Seems to be unable to find hidapi, even when installed using homebrew (according to docs):