Tests/RunCMake/CheckSourceCompiles/CheckCSourceCompiles.cmake

   1
   2 enable_language (C)
   3 include(CheckCSourceCompiles)
   4
   5 set(C 1) # test that this is tolerated
   6
   7 check_c_source_compiles("I don't build" SHOULD_FAIL)
   8 if(SHOULD_FAIL)
   9   message(SEND_ERROR "invalid C source didn't fail.")
  10 endif()
  11
  12 check_c_source_compiles("int main() {return 0;}" SHOULD_BUILD)
  13 if(NOT SHOULD_BUILD)
  14   message(SEND_ERROR "Test fail for valid C source.")
  15 endif()