useful information, especially in logs from bug reports

CMakeLists.txt

@@ -31,6 +31,7 @@ message ("\nBuilding ${CMAKE_PROJECT_NAME} ${DAMASK_VERSION}\n")
 
 add_definitions (-DPETSC)
 add_definitions (-DDAMASKVERSION="${DAMASK_VERSION}")
+add_definitions (-DCMAKE_SYSTEM="${CMAKE_SYSTEM}")
 
 if (CMAKE_BUILD_TYPE STREQUAL "")
     set (CMAKE_BUILD_TYPE "RELEASE")

src/DAMASK_interface.f90

@@ -102,6 +102,7 @@ subroutine DAMASK_interface_init
   print'(/,a)', ' Version: '//DAMASKVERSION
 
   print'(/,a)', ' Compiled with: '//compiler_version()
+  print'(a)',   ' Compiled on: '//CMAKE_SYSTEM
   print'(a)',   ' Compiler options: '//compiler_options()
 
   ! https://github.com/jeffhammond/HPCInfo/blob/master/docs/Preprocessor-Macros.md