forked from Mirrors/freeswitch
e6e5fde3b0
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13134 d0543943-73ff-0310-b7d9-9358b9ac24b2
176 lines
4.1 KiB
Plaintext
176 lines
4.1 KiB
Plaintext
RISC OS Conversion log
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======================
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mkversion.c
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~~~~~~~~~~~
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The RISC OS command-line does not allow the direct creation of the version.h
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file in the proper manner. To remedy this in such a way that the version
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header is made at compiletime, I wrote this small program. It is fully
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portable, so should work quite happily for any other platform that might need
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it.
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msg3states.c
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~~~~~~~~~~~~
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Needed getopt.c from the port folder, then compiled and worked fine.
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tiff.h
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~~~~~~
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====1====
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The symbol _MIPS_SZLONG, if not defined, causes a compiler error. Fixed by
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ensuring it does exist. This looks to me like this wouldn't be an
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Acorn-specific problem. The new code fragment is as follows:
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#ifndef _MIPS_SZLONG
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#define _MIPS_SZLONG 32
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#endif
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#if defined(__alpha) || _MIPS_SZLONG == 64
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tiffcomp.h
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~~~~~~~~~~
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====1====
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#if !defined(__MWERKS__) && !defined(THINK_C)
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#include <sys/types.h>
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#endif
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Acorn also doesn't have this header so:
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#if !defined(__MWERKS__) && !defined(THINK_C) && !defined(__acorn)
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#include <sys/types.h>
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#endif
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====2====
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#ifdef VMS
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#include <file.h>
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#include <unixio.h>
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#else
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#include <fcntl.h>
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#endif
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This seems to indicate that fcntl.h is included on all systems except
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VMS. Odd, because I've never heard of it before. Sure it's in the ANSI
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definition? Anyway, following change:
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#ifdef VMS
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#include <file.h>
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#include <unixio.h>
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#else
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#ifndef __acorn
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#include <fcntl.h>
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#endif
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#endif
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This will probably change when I find out what it wants from fcntl.h!
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====3====
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#if defined(__MWERKS__) || defined(THINK_C) || defined(applec)
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#include <stdlib.h>
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#define BSDTYPES
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#endif
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Added RISC OS to above thus:
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#if defined(__MWERKS__) || defined(THINK_C) || defined(applec) || defined(__acorn)
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#include <stdlib.h>
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#define BSDTYPES
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#endif
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====4====
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/*
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* The library uses the ANSI C/POSIX SEEK_*
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* definitions that should be defined in unistd.h
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* (except on VMS where they are in stdio.h and
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* there is no unistd.h).
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*/
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#ifndef SEEK_SET
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#if !defined(VMS) && !defined (applec) && !defined(THINK_C) && !defined(__MWERKS__)
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#include <unistd.h>
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#endif
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RISC OS is like VMS and Mac in this regard. So changed to:
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/*
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* The library uses the ANSI C/POSIX SEEK_*
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* definitions that should be defined in unistd.h
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* (except on VMS or the Mac or RISC OS, where they are in stdio.h and
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* there is no unistd.h).
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*/
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#ifndef SEEK_SET
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#if !defined(VMS) && !defined (applec) && !defined(THINK_C) && !defined(__MWERKS__) && !defined(__acorn)
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#include <unistd.h>
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#endif
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#endif
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====5====
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NB: HAVE_IEEEFP is defined in tiffconf.h, not tiffcomp.h as mentioned
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in libtiff.README. (Note written on original port from 3.4beta004)
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Acorn C/C++ claims to accord with IEEE 754, so no change (yet) to
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tiffconf.h.
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====6====
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Unsure about whether this compiler supports inline functions. Will
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leave it on for the time being and see if it works! (Likely if
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everything else does.)
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... Seems to be OK ...
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====7====
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Added to the end:
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/*
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* osfcn.h is part of C++Lib on Acorn C/C++, and as such can't be used
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* on C alone. For that reason, the relevant functions have been
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* implemented by myself in tif_acorn.c, and the elements from the header
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* included here.
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*/
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#ifdef __acorn
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#ifdef __cplusplus
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#include <osfcn.h>
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#else
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#include "kernel.h"
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#define O_RDONLY 0
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#define O_WRONLY 1
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#define O_RDWR 2
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#define O_APPEND 8
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#define O_CREAT 0x200
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#define O_TRUNC 0x400
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typedef long off_t;
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extern int open(const char *name, int flags, int mode);
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extern int close(int fd);
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extern int write(int fd, const char *buf, int nbytes);
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extern int read(int fd, char *buf, int nbytes);
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extern off_t lseek(int fd, off_t offset, int whence);
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#endif
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#endif
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===============================================================================
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tif_acorn.c
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~~~~~~~~~~~
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Created file tif_acorn.c, copied initially from tif_unix.c
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Documented internally where necessary.
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Note that I have implemented the low-level file-handling functions normally
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found in osfcn.h in here, and put the header info at the bottom of
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tiffcomp.h. This is further documented from a RISC OS perspective inside the
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file.
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===============================================================================
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