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65 lines
2.7 KiB
C
65 lines
2.7 KiB
C
/* f2c.h file for GNU Fortran run-time library
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Copyright (C) 1998 Free Software Foundation, Inc.
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Contributed by James Craig Burley.
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This file is part of GNU Fortran.
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GNU Fortran is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Fortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Fortran; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* This file currently is just a stub through which g77's copy
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of netlib's libf2c, which g77 builds and installs as libg2c.a
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(to avoid conflict), #include's g77's version of f2c.h, named
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g2c.h. That file is, in turn, produced via g77's library
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configuration process from g2c.h.in.
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By going through this extra "hoop", it is easy to provide for
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libg2c-specific configuration and typedefs that aren't appropriate
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in g2c.h itself (since that is intended to be installed so it can
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be shared with f2c users), without changing the libf2c (libg2c)
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routines themselves. (They continue to #include "f2c.h", just
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like they do in netlib's version.) */
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#include "g2c.h"
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/* For GNU Fortran (g77), we always enable the following behaviors for
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libf2c, to make things easy on the programmer. The alternate
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behaviors have their uses, and g77 might provide them as compiler,
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rather than library, options, so only a single copy of a shared libf2c
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need be built for a system. */
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/* This makes unformatted I/O more consistent in relation to other
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systems. It is not required by the F77 standard. */
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#define Pad_UDread
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/* This makes ERR= and IOSTAT= returns work properly in disk-full
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situations, making things work more as expected. It slows things
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down, so g77 will probably someday choose the original implementation
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on a case-by-case basis when it can be shown to not be necessary
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(e.g. no ERR= or IOSTAT=) or when it is given the appropriate
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compile-time option or, perhaps, source-code directive.
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(No longer defined, since it really slows down NFS access too much.) */
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/* #define ALWAYS_FLUSH */
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/* Most Fortran implementations do this, so to make it easier
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to compare the output of g77-compiled programs to those compiled
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by most other compilers, tell libf2c to put leading zeros in
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appropriate places on output. */
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#define WANT_LEAD_0
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