Resolving dependencies...
Configuring fs-events-0.1...
Preprocessing library for fs-events-0.1..
Building library for fs-events-0.1..
[1 of 1] Compiling System.FSEvents  ( src/System/FSEvents.hs, dist/build/System/FSEvents.o, dist/build/System/FSEvents.dyn_o )

In file included from Watcher.c:1:0: error: 

Watcher.h:1:10: error:
     fatal error: CoreFoundation/CoreFoundation.h: No such file or directory
        1 | #include <CoreFoundation/CoreFoundation.h>
          |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  |
1 | #include <CoreFoundation/CoreFoundation.h>
  |          ^
compilation terminated.
`cc' failed in phase `C Compiler'. (Exit code: 1)
Failed to install fs-events-0.1
Error: cabal: Some packages failed to install:
fs-events-0.1-1Lgk52sC1kGLa8s1RUQJZw failed during the building phase. The
exception was:
ExitFailure 1