Resolving dependencies...
Starting     keep-alive-0.1.0.0
Building     keep-alive-0.1.0.0
Failed to install keep-alive-0.1.0.0
Build log ( /home/builder/.cabal/logs/ghc-8.6.3/keep-alive-0.1.0.0-BiSoMAi3mGvJPw4KLDVM3g.log ):
cabal: Entering directory '/tmp/cabal-tmp-1333/keep-alive-0.1.0.0'
Configuring keep-alive-0.1.0.0...
Preprocessing library for keep-alive-0.1.0.0..
Building library for keep-alive-0.1.0.0..
[1 of 3] Compiling LibForeign       ( dist/build/LibForeign.hs, dist/build/LibForeign.o )
[2 of 3] Compiling Network.Socket.KeepAlive ( src/Network/Socket/KeepAlive.hs, dist/build/Network/Socket/KeepAlive.o )
[3 of 3] Compiling Paths_keep_alive ( dist/build/autogen/Paths_keep_alive.hs, dist/build/Paths_keep_alive.o )

cbits/Cka.c:2:10: error:
     fatal error: CKa.h: No such file or directory
     #include "CKa.h"
              ^~~~~~~
  |
2 | #include "CKa.h"
  |          ^
compilation terminated.
`gcc' failed in phase `C Compiler'. (Exit code: 1)
cabal: Leaving directory '/tmp/cabal-tmp-1333/keep-alive-0.1.0.0'
cabal: Error: some packages failed to install:
keep-alive-0.1.0.0-BiSoMAi3mGvJPw4KLDVM3g failed during the building phase.
The exception was:
ExitFailure 1