Cannot find --mono assembly in mac

I am attempting to build a project through cmake for xcode.
The project required mono framework , so I installed mono and also built
the source.
I then get this message from Xcode I am not sure what this means.

/Users/User/MyApp/ext/mono/bin/mkbundle -o createcore_managed.c -oo
createcore_managed_deps.o -c --nomain --config-dir
/Users/User/MyApp/ext/mono/etc --config
/Users/User/MyApp/ext/mono/etc/mono/config --machine-config
/Users/User/MyApp/ext/mono/etc/mono/4.5/machine.config --mono
/Users/User/MyApp/ext/mono/lib/mono/4.5/ --deps
/Users/User/MyApp-Build/bin/CreateCore.dll
/Users/User/MyApp-Build/bin/FM.dll /Users/User/MyApp-Build/bin/FSLLINK.dll
/Users/User/MyApp-Build/bin/Ionic.Zlib.dll
/Users/User/MyApp-Build/bin/PList.dll
/Users/User/MyApp-Build/bin/Renci.SshNet.dll
/Users/User/MyApp-Build/bin/MIConvexHullPlugin.dll
/Users/User/MyApp-Build/bin/MathNet.Numerics.dll
WARNING:
  Check that the machine.config file you are bundling
  doesn't contain sensitive information specific to this machine.
OS is: Darwin
Sources: 10 Auto-dependencies: True
ERROR: Cannot find assembly `--mono'
make: *** [/Users/User/MyApp-Build/createcore/createcore_managed.c] Error 1
Command /bin/sh failed with exit code 2

Any suggestions on how I can fix this issue ?

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