QtCreator + Cygwin + Cmake

Running "C:\cygwin\bin\cmake.exe C:/develop/proj/src "-GCodeBlocks - Unix Makefiles" "-DCMAKE_CXX_COMPILER:STRING=C:/cygwin/bin/g++.exe" "-DCMAKE_C_COMPILER:STRING=C:/cygwin/bin/gcc.exe" "-DCMAKE_LEGACY_CYGWIN_WIN32:INTERNAL=0" "-DCMAKE_PREFIX_PATH:STRING=%{Qt:QT_INSTALL_PREFIX}"" in C:\develop\proj\build-src-cygwin-Default.
-- The C compiler identification is GNU 6.4.0
-- The CXX compiler identification is GNU 6.4.0
CMake Error at C:/develop/proj/src/CMakeLists.txt:3 (project):
  The CMAKE_C_COMPILER:
 
    C:/cygwin/bin/gcc.exe
 
  is not a full path and was not found in the PATH.
 
  Tell CMake where to find the compiler by setting either the environment
  variable "CC" or the CMake cache entry CMAKE_C_COMPILER to the full path to
  the compiler, or to the compiler name if it is in the PATH.
 
 
CMake Error at C:/develop/proj/src/CMakeLists.txt:3 (project):
  The CMAKE_CXX_COMPILER:
 
    C:/cygwin/bin/g++.exe
 
  is not a full path and was not found in the PATH.
 
  Tell CMake where to find the compiler by setting either the environment
  variable "CXX" or the CMake cache entry CMAKE_CXX_COMPILER to the full path
  to the compiler, or to the compiler name if it is in the PATH.
 
 
-- Configuring incomplete, errors occurred!
See also "/cygdrive/c/develop/proj/build-src-cygwin-Default/CMakeFiles/CMakeOutput.log".
*** cmake process exited with exit code 1.