Flags for other computer or Fortran features

QF2C

Compiled using F2C and gcc

QFDEC

Compiled using DEC Fortran

QFNDP

Compiled using NDP Fortran

QMFIBMSI

Fortran Siemens

QMFIBMVS

Fortran VS

QFMSOFT

Compiled using Microsoft Fortran

QASCII

Character set is ASCII

QEBCDIC

Character set is EBCDIC

QIEEE

Floating point representation is IEEE

QISASTD

ISA standard intrinsic functions available : IAND, IOR, NOT, ISHFT

QMILSTD

MIL standard intrinsic functions available : IBITS, MVBITS, ISHFTC

QHOLL

Hollerith constants exist

EQUHOLCH

EQUIVALENCE Hollerith/Character ok

QORTHOLL

orthodox Hollerith storage left to right in word

QSYSBSD

Unix system BSD (system 5 otherwise)

QSIGJMP

Posix sigsetjmp/siglongjmp for setjmp/longjmp

QENVBSD

BSD setenv is available

QGETCWD

BSD getwd is not available, but getcwd is available

QSIGBSD

signal handling with BSD sigvec

QSIGPOSIX

signal handling with Posix sigaction

QX_SC

external names are lower case with underscore

QXNO_SC

external names are lower case without underscore

QXCAPT

external names are capital

QCCINDAD

routine entry addresses are passed double indirect in Fortran calls (needed in C routines)

INTDOUBL

use double precision for some internal calculations (used at present only in the TR routines)

NOSHIFT

left/right shift is not available, sequence Q$SHIFTcannot be defined

HEX

dumps must be done in hexadecimal representation else: dumps are in octal

ENTRET

multiple entry functions must return by entry name else: return by function name works ok

ENTRCDC

CDC Fortran 4 syntax for ENTRY statement else: ENTRY statement contains argument list