mirror of
https://github.com/asterisk/asterisk.git
synced 2025-11-04 05:15:22 +00:00
2c65582b66
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@7221 65c4cc65-6c06-0410-ace0-fbb531ad65f3
90 lines
4.0 KiB
Plaintext
90 lines
4.0 KiB
Plaintext
Tue Aug 20 16:19:51 CDT 1996
|
|
Andy Fingerhut (jaf@arl.wustl.edu)
|
|
|
|
In release 1.4, there are quite a few hand modifications to the C code
|
|
that was automatically created from the Fortran code with f2c. They
|
|
are all summarized in change log comments at the beginning of the
|
|
changed files. All of the original files from f2c were checked in to
|
|
RCS before modification, so it is possible to see exactly what changes
|
|
were made, for the extremely curious. That precaution was also for my
|
|
benefit, in case I ever recompile the Fortran sources, and want to
|
|
make similar changes to that new C source code.
|
|
|
|
Below is the README file for this directory included with the 1.3
|
|
release of the LPC-10 package. A few parts of it are a little out of
|
|
date, but it is correct for the most part.
|
|
|
|
|
|
Sun Jul 7 15:30:31 CDT 1996
|
|
Andy Fingerhut (jaf@arl.wustl.edu)
|
|
|
|
To create the LPC-10 library, copy the appropriate makefile to the
|
|
proper name for easy use, e.g., for Unix, copy makefile.unx to the
|
|
file "Makefile". The file makefile.dos has been used with some
|
|
version of the 'nmake' utility that comes with the Microsoft C
|
|
compiler (the same one used for Nautilus v1.5a, which I believe
|
|
specifies Microsoft C version 7.0 or later).
|
|
|
|
Then edit the file lpc10.h in the directory above. It should already
|
|
be set up to work properly on any Unix compiler for which "int" is 32
|
|
bits and "short" is 16 bits, and under the Microsoft C compiler
|
|
configured so that "long" is 32 bits and "int" is 16 bits. There must
|
|
be a typedef for the two types INT32 and INT16 in that file. You
|
|
should choose types that compile to those sizes using your compiler,
|
|
because there are places in the LPC-10 code that expect INT16's to
|
|
have exactly 16 bits (at least, I *think* they must be no larger), and
|
|
INT32's to have exactly 32 bits.
|
|
|
|
|
|
A few notes on how these files were created
|
|
-------------------------------------------
|
|
|
|
(This section is mostly for my benefit, so I can remember what I did.
|
|
You don't need to read it if you just want to use this package. It
|
|
might be useful to read it if you change the Fortran sources and want
|
|
to recreate a usable library of C sources. -- Andy)
|
|
|
|
These C sources were created automatically from the Fortran sources
|
|
using f2c, for the most part. Listed below are the extra
|
|
modifications that were made after this automatic conversion. Many of
|
|
them were made so that it was not necessary to install f2c in order to
|
|
use this LPC-10 coder.
|
|
|
|
1.
|
|
|
|
Put all of those files that were necessary for only the coder, rather
|
|
than an application that uses the coder, into this subdirectory called
|
|
lpc10.
|
|
|
|
2.
|
|
|
|
Copied f2c.h from the f2c distribution into this subdirectory. Some
|
|
modifications were made to the "typedef" statements in this file, to
|
|
explicitly indicate the sizes (in bits) that different integer types
|
|
should be. The types INT32 and INT16 must be defined in a file called
|
|
lpc10.h in the directory above. Created the file f2clib.c, containing
|
|
only the functions pow_ii(), r_sign(), and i_nint() from the f2c
|
|
library.
|
|
|
|
3.
|
|
|
|
The f2c output originally had a file called contrl_com.c, that defined
|
|
a small structure containing a few variables that were used in many
|
|
different functions of the LPC10 code. Every file containing
|
|
functions that used it defined it as "extern", while contrl_com.c
|
|
actually allocated storage for the structure. Bill Dorsey, one of the
|
|
lead developers of Nautilus, said that the Microsoft C compiler had
|
|
problems either compiling this file, or linking it with all of the
|
|
other compiled files, so he just eliminated that file and removed the
|
|
"extern" keyword from the one of the files that declared it that way.
|
|
The file chosen (arbitrarily) was analys.c.
|
|
|
|
4.
|
|
|
|
Copied the makefiles for Unix and Microsoft C from the Nautilus v1.5a
|
|
distribution into the lpc10 directory. Modified them to take out
|
|
references to Nautilus. These makefiles don't create an executable,
|
|
but a library of compiled functions called liblpc10.a (Unix) or
|
|
LPC10.LIB (DOS). This library can be used when linking an executable
|
|
that calls the functions lpcini_(), lpcenc_(), and lpcdec_().
|