program CMakeFortranCompilerABI

implicit none

integer :: i(1) = 0
where (i==0) i=1
if (any(i/=1)) stop 1
! showing Fortran 90 syntax is OK

#if 0
! Address Size
#endif
#if defined(_LP64)
PRINT *, 'INFO:sizeof_dptr[8]'
#elif defined(_M_IA64)
PRINT *, 'INFO:sizeof_dptr[8]'
#elif defined(_M_X64)
PRINT *, 'INFO:sizeof_dptr[8]'
#elif defined(_M_AMD64)
PRINT *, 'INFO:sizeof_dptr[8]'
#elif defined(__x86_64__)
PRINT *, 'INFO:sizeof_dptr[8]'

#elif defined(_ILP32)
PRINT *, 'INFO:sizeof_dptr[4]'
#elif defined(_M_IX86)
PRINT *, 'INFO:sizeof_dptr[4]'
#elif defined(__i386__)
PRINT *, 'INFO:sizeof_dptr[4]'

#elif defined(__SIZEOF_POINTER__) && __SIZEOF_POINTER__ == 8
PRINT *, 'INFO:sizeof_dptr[8]'
#elif defined(__SIZEOF_POINTER__) && __SIZEOF_POINTER__ == 4
PRINT *, 'INFO:sizeof_dptr[4]'
#elif defined(__SIZEOF_SIZE_T__) && __SIZEOF_SIZE_T__ == 8
PRINT *, 'INFO:sizeof_dptr[8]'
#elif defined(__SIZEOF_SIZE_T__) && __SIZEOF_SIZE_T__ == 4
PRINT *, 'INFO:sizeof_dptr[4]'
#endif

#if 0
! Application Binary Interface
#endif
#if defined(__ELF__)
PRINT *, 'INFO:abi[ELF]'
#endif
PRINT *, 'ABI Detection'
end program