#============================================#
# determine if and how ABORT intrinsic works #
#============================================#

MESSAGE(STATUS "Determining method to call abort intrinsic")
SET(TEST_ABORT_OK FALSE) 

# intel abort
IF(NOT DEFINED ABORT)
  TRY_COMPILE(TEST_ABORT_INTEL ${${PROJECT_NAME}_BINARY_DIR}/abort_intel ${${PROJECT_NAME}_SOURCE_DIR}/cmake
    fox_config abort_intel
    OUTPUT_VARIABLE BUILD_OUTPUT 
  )
  IF(${TEST_ABORT_INTEL} MATCHES TRUE)
    MESSAGE("   -> abort : intel works")
    SET(ABORT "INTEL")
    SET(ABORT_METHOD "with argument")
    ADD_DEFINITIONS(-DFC_HAVE_ABORT)
    ADD_DEFINITIONS(-DFC_ABORT_ARG)
  ENDIF(${TEST_ABORT_INTEL} MATCHES TRUE)
ENDIF(NOT DEFINED ABORT)

# xlf abort
IF(NOT DEFINED ABORT)
  TRY_COMPILE(TEST_ABORT_XLF ${${PROJECT_NAME}_BINARY_DIR}/abort_xlf ${${PROJECT_NAME}_SOURCE_DIR}/cmake
    fox_config abort_xlf
    OUTPUT_VARIABLE BUILD_OUTPUT 
  )
  IF(${TEST_ABORT_XLF} MATCHES TRUE)
    MESSAGE("   -> abort : xlf works")
    SET(ABORT "XLF")
    SET(ABORT_METHOD "with underscore")
    ADD_DEFINITIONS(-DFC_HAVE_ABORT)
    ADD_DEFINITIONS(-DFC_ABORT_UNDERSCORE)
  ENDIF(${TEST_ABORT_XLF} MATCHES TRUE)
ENDIF(NOT DEFINED ABORT)

# bare abort
IF(NOT DEFINED ABORT)
  TRY_COMPILE(TEST_ABORT_BARE ${${PROJECT_NAME}_BINARY_DIR}/abort_bare ${${PROJECT_NAME}_SOURCE_DIR}/cmake
    fox_config abort_bare
    OUTPUT_VARIABLE BUILD_OUTPUT 
  )
  IF(${TEST_ABORT_BARE} MATCHES TRUE)
    MESSAGE("   -> abort : bare works")
    SET(ABORT "BARE")
    SET(ABORT_METHOD "default")
    ADD_DEFINITIONS(-DFC_HAVE_ABORT)
  ENDIF(${TEST_ABORT_BARE} MATCHES TRUE)
ENDIF(NOT DEFINED ABORT)

# nag abort
IF(NOT DEFINED ABORT)
  TRY_COMPILE(TEST_ABORT_NAG ${${PROJECT_NAME}_BINARY_DIR}/abort_nag ${${PROJECT_NAME}_SOURCE_DIR}/cmake
    fox_config abort_nag
    OUTPUT_VARIABLE BUILD_OUTPUT 
  )
  IF(${TEST_ABORT_NAG} MATCHES TRUE)
    MESSAGE("   -> abort : nag works")
    SET(ABORT "NAG")
    SET(ABORT_METHOD "with f90_unix_proc")
    ADD_DEFINITIONS(-DFC_HAVE_ABORT)
  ENDIF(${TEST_ABORT_NAG} MATCHES TRUE)
ENDIF(NOT DEFINED ABORT)