1998-02-01 02:37:08 +01:00
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19970811 -*-text-*-
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g77 libU77
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----------
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This directory contains an implementation of most of the `traditional'
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Unix libU77 routines, mostly an interface to libc and libm routines
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and some extra ones for time and date etc. It's intended for use with
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g77, to whose configuration procedure it's currently tied, but should
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be compatible with f2c otherwise, if using the same f2c.h.
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The contents of libU77 and its interfaces aren't consistent across
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implementations. This one is mostly taken from documentation for (an
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old version of) the Convex implementation and the v2 SunPro one.
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As of g77 version 0.5.20, most of these routines have been made
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into g77 intrinsics. Some routines have a version with a name prefixed
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by `vxt', corresponding to the VMS Fortran versions, and these should
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be integrated with g77's intrinsics visibility control.
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A few routines are currently missing; in the case of `fork', for
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instance, because they're probably not useful, and in the case of
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`qsort' and those for stream-based i/o handling, because they need
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more effort/research. The configuration should weed out those few
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which correspond to facilities which may not be present on some Unix
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systems, such as symbolic links. It's unclear whether the interfaces
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to the native library random number routines should be retained, since
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their implementation is likely to be something one should avoid
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assiduously.
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This library has been tested it under SunOS4.1.3 and Irix5.2 and there
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has been some feedback from Linux; presumably potential problems lie
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mainly with systems with impoverished native C library support which
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haven't been properly taken care of with autoconf.
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There's another GPL'd implementation of this stuff which I only found
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out about recently (despite having looked) and I haven't yet checked
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how they should be amalgamated.
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Dave Love <d.love@dl.ac.uk> Aug '95
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1998-07-15 13:05:36 +02:00
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(minor changes by Craig Burley <burley@gnu.org> Aug '97)
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