clang 3.1+
GCC 4.6+ (yes, you still need GCC for header files)
libkqueue
libbsd
gnustep-base ("Foundation")
gnustep-gui ("Cocoa")
gnustep-corebase ("CoreFoundation")
libobjc2
libudev
openssl
libasound
libav
libgc

No build type selected, default to Debug
This is a 64-bit build
Building ObjC ABI 2
You have called ADD_LIBRARY for library Carbon without any source files. This typically indicates a problem with your CMakeLists.txt file
You have called ADD_LIBRARY for library AppKit without any source files. This typically indicates a problem with your CMakeLists.txt file
You have called ADD_LIBRARY for library auto without any source files. This typically indicates a problem with your CMakeLists.txt file
CMake Error: The following variables are used in this project, but they are set to NOTFOUND.
Please set them or make sure they are set and tested correctly in the CMake files:
LIBGNUSTEPCOREBASE_INCLUDE_DIR
   used as include directory in directory /home/mirror/work/darling/darling/src/motool
   used as include directory in directory /home/mirror/work/darling/darling/src/util
   used as include directory in directory /home/mirror/work/darling/darling/src/libmach-o
   used as include directory in directory /home/mirror/work/darling/darling/src/libdyld
   used as include directory in directory /home/mirror/work/darling/darling/src/dyld
   used as include directory in directory /home/mirror/work/darling/darling/src/dyld
   used as include directory in directory /home/mirror/work/darling/darling/src/libSystem
   used as include directory in directory /home/mirror/work/darling/darling/src/libltdl
   used as include directory in directory /home/mirror/work/darling/darling/src/Cocoa
   used as include directory in directory /home/mirror/work/darling/darling/src/libobjcdarwin
   used as include directory in directory /home/mirror/work/darling/darling/src/CoreFoundation
   used as include directory in directory /home/mirror/work/darling/darling/src/libncurses
   used as include directory in directory /home/mirror/work/darling/darling/src/CoreSecurity
   used as include directory in directory /home/mirror/work/darling/darling/src/CoreServices
   used as include directory in directory /home/mirror/work/darling/darling/src/ExceptionHandling
   used as include directory in directory /home/mirror/work/darling/darling/src/IOKit
   used as include directory in directory /home/mirror/work/darling/darling/src/Foundation
   used as include directory in directory /home/mirror/work/darling/darling/src/Carbon
   used as include directory in directory /home/mirror/work/darling/darling/src/CoreVideo
   used as include directory in directory /home/mirror/work/darling/darling/src/OpenGL
   used as include directory in directory /home/mirror/work/darling/darling/src/thin
   used as include directory in directory /home/mirror/work/darling/darling/src/thin
   used as include directory in directory /home/mirror/work/darling/darling/src/libstdc++darwin
LIBKQUEUE_INCLUDE_DIR
   used as include directory in directory /home/mirror/work/darling/darling/src/motool
   used as include directory in directory /home/mirror/work/darling/darling/src/util
   used as include directory in directory /home/mirror/work/darling/darling/src/libmach-o
   used as include directory in directory /home/mirror/work/darling/darling/src/libdyld
   used as include directory in directory /home/mirror/work/darling/darling/src/dyld
   used as include directory in directory /home/mirror/work/darling/darling/src/dyld
   used as include directory in directory /home/mirror/work/darling/darling/src/libSystem
   used as include directory in directory /home/mirror/work/darling/darling/src/libltdl
   used as include directory in directory /home/mirror/work/darling/darling/src/Cocoa
   used as include directory in directory /home/mirror/work/darling/darling/src/libobjcdarwin
   used as include directory in directory /home/mirror/work/darling/darling/src/CoreFoundation
   used as include directory in directory /home/mirror/work/darling/darling/src/libncurses
   used as include directory in directory /home/mirror/work/darling/darling/src/CoreSecurity
   used as include directory in directory /home/mirror/work/darling/darling/src/CoreServices
   used as include directory in directory /home/mirror/work/darling/darling/src/ExceptionHandling
   used as include directory in directory /home/mirror/work/darling/darling/src/IOKit
   used as include directory in directory /home/mirror/work/darling/darling/src/Foundation
   used as include directory in directory /home/mirror/work/darling/darling/src/Carbon
   used as include directory in directory /home/mirror/work/darling/darling/src/CoreVideo
   used as include directory in directory /home/mirror/work/darling/darling/src/OpenGL
   used as include directory in directory /home/mirror/work/darling/darling/src/thin
   used as include directory in directory /home/mirror/work/darling/darling/src/thin
   used as include directory in directory /home/mirror/work/darling/darling/src/libstdc++darwin
LIBOBJC2_INCLUDE_DIR
   used as include directory in directory /home/mirror/work/darling/darling/src/motool
   used as include directory in directory /home/mirror/work/darling/darling/src/util
   used as include directory in directory /home/mirror/work/darling/darling/src/libmach-o
   used as include directory in directory /home/mirror/work/darling/darling/src/libdyld
   used as include directory in directory /home/mirror/work/darling/darling/src/dyld
   used as include directory in directory /home/mirror/work/darling/darling/src/dyld
   used as include directory in directory /home/mirror/work/darling/darling/src/libSystem
   used as include directory in directory /home/mirror/work/darling/darling/src/libltdl
   used as include directory in directory /home/mirror/work/darling/darling/src/Cocoa
   used as include directory in directory /home/mirror/work/darling/darling/src/libobjcdarwin
   used as include directory in directory /home/mirror/work/darling/darling/src/CoreFoundation
   used as include directory in directory /home/mirror/work/darling/darling/src/libncurses
   used as include directory in directory /home/mirror/work/darling/darling/src/CoreSecurity
   used as include directory in directory /home/mirror/work/darling/darling/src/CoreServices
   used as include directory in directory /home/mirror/work/darling/darling/src/ExceptionHandling
   used as include directory in directory /home/mirror/work/darling/darling/src/IOKit
   used as include directory in directory /home/mirror/work/darling/darling/src/Foundation
   used as include directory in directory /home/mirror/work/darling/darling/src/Carbon
   used as include directory in directory /home/mirror/work/darling/darling/src/CoreVideo
   used as include directory in directory /home/mirror/work/darling/darling/src/OpenGL
   used as include directory in directory /home/mirror/work/darling/darling/src/thin
   used as include directory in directory /home/mirror/work/darling/darling/src/thin
   used as include directory in directory /home/mirror/work/darling/darling/src/libstdc++darwin

Configuring incomplete, errors occurred!

sudo apt-get install libltdl-dev libgl1-mesa-dev