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Annotation of 43BSDReno/contrib/emacs-18.55/etc/MACHINES, revision 1.1

1.1     ! root        1: This is a list of the status of GNU Emacs on various machines and systems.
        !             2: Last updated 20 July 1989
        !             3: 
        !             4: Systems:
        !             5:   For each type of system, the name of the appropriate s- header file
        !             6:   is given.
        !             7: 
        !             8: Berkeley 4.1 (s-bsd4-1.h)
        !             9: 
        !            10:   Works on vaxes.
        !            11: 
        !            12: Berkeley 4.2 (s-bsd4-2.h)
        !            13: 
        !            14:   Works on several machines.
        !            15: 
        !            16: Berkeley 4.3 (s-bsd4-3.h)
        !            17: 
        !            18:   Works, on Vaxes at least.
        !            19: 
        !            20: System V rel 0 (s-usg5-0.h)
        !            21: 
        !            22:   Works, on Vaxes and 3bxxx's.
        !            23:   There are some problems in 18.37 due to shortnames/cccp problems:
        !            24:   use the emacs 17 cpp if you have it.
        !            25: 
        !            26: System V rel 2 (s-usg5-2.h)
        !            27: 
        !            28:   Works on various machines.
        !            29:   On some (maybe all) machines the library -lPW exists and contains
        !            30:   a version of `alloca'.  On these machines, to use it, put
        !            31:      #define HAVE_ALLOCA
        !            32:      #define LIB_STANDARD -lPW -lc
        !            33:   in the m-...h file for the machine.
        !            34: 
        !            35:   If you find that the character Meta-DEL makes Emacs crash,
        !            36:   find where function init_sys_modes in sysdep.c sets sg.c_cc[VQUIT]
        !            37:   and make it store 7 there.  I have as yet no evidence of whether
        !            38:   this problem, known in HP-UX, exists in other system V versions.
        !            39: 
        !            40: System V rel 2.2 (s-usg5-2-2.h)
        !            41: 
        !            42:   In 5.2.2 AT&T undid, incompatibly, their previous incompatible
        !            43:   change to the way the nlist library is called.  A different s- file
        !            44:   is used to enable the other interface.
        !            45: 
        !            46:   They call themselves the right choice--can't they choose?
        !            47: 
        !            48:   Emacs version 18 unexec is currently not working properly
        !            49:   on 5.2.2.  Nobody knows why yet.  A workaround is to define
        !            50:   NO_REMAP.  It is not yet known whether this applies to all
        !            51:   machines running 5.2.2.
        !            52: 
        !            53: System V rel 3 (s-usg5-3.h)
        !            54: 
        !            55:   Some versions of this system support ptys and BSD-style sockets.
        !            56:   On such systems, you should define HAVE_PTYS and HAVE_SOCKETS in config.h.
        !            57: 
        !            58:   Sorry, shared libraries do not work with Emacs currently (in 18.55).
        !            59:   They will be supported in the future.
        !            60: 
        !            61: Ultrix
        !            62: 
        !            63:   This is DEC's name for Berkeley 4.2.
        !            64: 
        !            65: Uniplus 5.2 (s-unipl5-2.h)
        !            66: 
        !            67:   Works, on Dual machines at least.
        !            68: 
        !            69: VMS (s-vms.h)
        !            70: 
        !            71:   Works except for certain features (directory listing, dired,
        !            72:   sending and receiving mail) that use synchronous subprocesses.
        !            73:   We need people to write alternative implementations of these
        !            74:   facilities.
        !            75: 
        !            76:   Note that Emacs for VMS is usually distributed in a special
        !            77:   VMS distribution.  See the file ../VMSINSTALL for info on moving
        !            78:   Unix distributions to VMS, and other VMS-related topics.
        !            79: 
        !            80: Xenix
        !            81: 
        !            82:   Should work in 18.50, but you will need to edit the files
        !            83:   etc/Makefile and src/ymakefile
        !            84:   (see the comments that mention "Xenix" for what to change.)
        !            85:   Compiling Emacs with -O is said not to work.
        !            86: 
        !            87:   If you want Emacs to work with Smail (installed as /usr/bin/smail)
        !            88:   then add the line   #define SMAIL  to config.h.
        !            89: 
        !            90:   The file etc/XENIX suggests some useful things to do to Xenix
        !            91:   to make the Emacs meta key work.
        !            92: 
        !            93: Machines:
        !            94:   For each type of machine, the names of the m- and s- header files
        !            95:   are given.
        !            96: 
        !            97: Alliant (m-alliant4.h or m-alliant.h or m-alliant1.h; s-bsd4-2.h)
        !            98: 
        !            99:   18.52 works on system version 4.  Previous Emacs versions were
        !           100:   known to work on previous system versions.
        !           101: 
        !           102:   Use m-alliant1.h on version 1 of their operating system
        !           103:   and use m-alliant.h on version 2 or 3.
        !           104:   Use m-alliant4.h on version 4.
        !           105: 
        !           106: Altos 3068 (m-altos.h; s-usg5-2.h)
        !           107: 
        !           108:   Changes, very minimal, for 18.36 have been merged in 18.38.
        !           109: 
        !           110: Amdahl UTS (m-amdahl.h; s-usg5-2-2.h)
        !           111: 
        !           112:   Small changes for 18.38 were merged in 18.39.  It is mostly
        !           113:   working, but at last report a bug sometimes causes Emacs to
        !           114:   grab very large amounts of memory.  No fix or explanation
        !           115:   has yet been reported.  It may be possible to find this bug
        !           116:   if you find which Emacs command it happens within and then
        !           117:   run that command with a breakpoint set at malloc.
        !           118: 
        !           119:   The 5.2u370 compiler is so brain damaged that it is not
        !           120:   even worth trying to use it.  Success was obtained with the
        !           121:   uts native C compiler on uts version 5.2.5.
        !           122: 
        !           123: Apollo running Domain (m-apollo.h; s-bsd4-2.h)
        !           124: 
        !           125:   18.52 works, to some extent.
        !           126:   Code for dumping Emacs has been written, but we cannot
        !           127:   distribute it yet.
        !           128:   There are reports of bugs in cc -O on this system.
        !           129: 
        !           130:   In etc/Makefile, don't expect emacsclient and server to
        !           131:   compile.  You might want to remove them from your makefile.
        !           132: 
        !           133:   Supposedly something in dired.c runs into a compiler bug.
        !           134:   Paraphrasing the statement should avoid the problem.
        !           135:   I havenot yet received word as to the exact statement this is.
        !           136: 
        !           137: AT&T 3b2, 3b5, 3b15, 3b20 (m-att3b.h; s-usg5-2-2.h)
        !           138: 
        !           139:   Emacs will probably not work with certain kernel constants too small. 
        !           140: 
        !           141:   In param.h CDLIMIT should be at least (1L << 12) in order to allow 
        !           142:   processes to write up to 2 Mbyte files.  If it's too small,
        !           143:   you can perhaps fix it using the file `ulimit.hack' in this directory.
        !           144: 
        !           145:   Note that for V.3.1 and later releases, this parameter is configurable
        !           146:   by normal means in /etc/master.d/kernel; examine that file for the
        !           147:   symbol CDLIMIT or ULIMIT, and raise it by several powers of 2.  Then
        !           148:   do normal kernel rebuild things via "cd /boot; mkboot -k KERNEL" and so
        !           149:   forth.  Do not use ulimit.hack if you have V.3.1 or later.
        !           150: 
        !           151:   In seg.h NSEGP and STACKSEG should be at least 16 and 4 respectively
        !           152:   to allow processes with total size of up to 2Mbytes.
        !           153:   However, I'm told it is unlikely this would fail to be true.
        !           154: 
        !           155:   The MAXMEM may also prevent Emacs from running.  The file
        !           156:   3B-MAXMEM in this directory explains how to increase MAXMEM.
        !           157: 
        !           158: AT&T 7300 or 3b1 (m-7300.h; s-usg5-2-2.h)
        !           159: 
        !           160:   18.52 seems to work.  If you have strange troubles with dumping Emacs,
        !           161:   delete the last few lines from m-7300.h and recompile.  These lines
        !           162:   are supposed to produce a sharable executable.
        !           163: 
        !           164:   m-7300.h defines SHORTNAMES because operating system versions
        !           165:   older than 3.5 did not support long symbol names.  Version 3.5 does
        !           166:   support them, so you can remove the #define SHORTNAMES in that version.
        !           167: 
        !           168: CCI 5/32, 6/32
        !           169: 
        !           170:   See "Tahoe".
        !           171: 
        !           172: Celerity (m-celerity.h; s-bsd4-2.h)
        !           173: 
        !           174:   Version 18.49 works.
        !           175: 
        !           176: Convex (m-convex.h; s-bsd4-3.h)
        !           177: 
        !           178:   18.53 is supposed to work.
        !           179: 
        !           180: Cydra 5 (m-cydra5.h; s-usg5-3.h)
        !           181: 
        !           182:   18.51 worked in one version of their operating system but stopped
        !           183:   working in a newer version.  This has not been fixed.
        !           184: 
        !           185: Dual running System V (m-dual.h; s-usg5-2.h)
        !           186: 
        !           187:   As of 17.46, this works except for a few changes
        !           188:   needed in unexec.c.
        !           189: 
        !           190: Dual running Uniplus (m-dual.h; s-unipl5-2.h)
        !           191: 
        !           192:   Works, as of 17.51.
        !           193: 
        !           194: Elxsi 6400 (m-elxsi; s-usg5-2.h)
        !           195: 
        !           196:   18.36 required one small change that's installed in 18.38.
        !           197: 
        !           198:   m-elxsi.h currenty specifies CANNOT_DUMP.
        !           199:   The Elxsi can in principle dump, but the necessary changes to
        !           200:   unexec, which involve byte-swapping, were too ugly to install.
        !           201:   If someone submits simple code that supports dumping on the Elxsi,
        !           202:   it can be installed and CANNOT_DUMP can be turned off.
        !           203: 
        !           204: Encore machine (m-ns16000.h; s-umax.h)
        !           205: 
        !           206:   This machine bizarrely uses 4.2BSD modified to use the COFF format
        !           207:   for object files.  Works (as of 18.40).  For the APC processor you
        !           208:   must enable two lines at the end of s-umax.h, which are commented
        !           209:   out in the file as distributed.
        !           210: 
        !           211:   WARNING: If you compile Emacs with the "-O" compiler switch, you
        !           212:   must also use the "-q enter_exits" switch so that all functions have
        !           213:   stack frames.  Otherwise routines that call `alloca' all lose.
        !           214: 
        !           215:   A kernel bug in some system versions causes input characters to be lost
        !           216:   occasionally.
        !           217: 
        !           218: GEC 93 (m-gec93.h; s-usg5-2.h?)
        !           219: 
        !           220:   Changes are partially merged in version 18, but
        !           221:   certainly require more work.
        !           222: 
        !           223: Gould (m-gould.h; s-bsd4-2.h or s-bsd4-3.h)
        !           224: 
        !           225:   18.36 worked on versions 1.2 and 2.0 of the operating system.
        !           226: 
        !           227:   On UTX/32 2.0, use s-bsd4-3.h.
        !           228: 
        !           229:   On UTX/32 1.2 and UTX/32S 1.0, use s-bsd4-2.h and note that compiling 
        !           230:   etc/sorted-doc tickles a compiler bug:  remove the -g flag to cc in the 
        !           231:   makefile.
        !           232: 
        !           233:   UTX/32 1.3 has a bug in the bcopy library routine.  Fix it by 
        !           234:   #undef BSTRING in m-gould.h.
        !           235: 
        !           236: HP 9000 series 200 or 300 (m-hp9000s300.h; s-hpux.h)
        !           237: 
        !           238:   Version 18 works.
        !           239:   These machines are 68000-series CPUs running HP-UX,
        !           240:   a derivative of sysV with some BSD features.
        !           241: 
        !           242:   Series 200 runs Emacs only if it has the "HP-UX upgrade".
        !           243: 
        !           244:   The series 500 has a seriously incompatible memory architecture
        !           245:   which relocates data in memory during execution of a program,
        !           246:   and support for it would be difficult to implement.
        !           247: 
        !           248:   Note that HP has used two incompatible assembler syntaxes,
        !           249:   and has recently changed the format of C function frames.
        !           250:   src/crt0.c and src/alloca.s have been conditionalised for the new
        !           251:   assembler and new function-entry sequence.  You may need to define
        !           252:   OLD_HP_ASSEMBLER if you are using an older hpux version.  If you
        !           253:   have an official (bought from HP) series 300 machine you have
        !           254:   the new assembler.  Kernels that are 5.+ or later have new
        !           255:   assembler.  A Series 200 that has been upgraded to a 68010
        !           256:   processor and a 5.+ kernel has the new compiler.
        !           257: 
        !           258:   Define C_SWITCH_MACHINE to be +X to make a version of Emacs that
        !           259:   runs on both 68010 and 68020 based hp-ux's.
        !           260: 
        !           261:   Define HPUX_68010 if you are using the new assembler, for
        !           262:   a system that has a 68010 without a 68881.  This is to say,
        !           263:   a s200 (upgraded) or s310.
        !           264: 
        !           265:   Define the symbol HPUX_NET if you have the optional network features
        !           266:   that include the `netunam' system call.  This is refered to as
        !           267:   Network Services (NS/9000) in HP literature.
        !           268: 
        !           269: HP 9000 series 800 (Spectrum) (m-hp9000s800.h; s-hpux.h)
        !           270: 
        !           271:   These files support HP's Precision Architecture machines
        !           272:   running HP-UX.  It has been moderately tested on the Series
        !           273:   840.
        !           274: 
        !           275: High Level Hardware Orion (m-orion.h; s-bsd4-2.h)
        !           276: 
        !           277:   This is the original microprogrammed hardware.
        !           278:   m- file ought to work.
        !           279: 
        !           280: High Level Hardware Orion 1/05 (m-orion105.h; s-bsd4-2.h)
        !           281: 
        !           282:   Changes merged in 18.52.  This is the one with the Clipper cpu.
        !           283: 
        !           284:   C compiler has a bug; it loops compiling eval.c.
        !           285:   Compile it by hand without optimization.
        !           286: 
        !           287: IBM PS2 (m-ibmps2-aix.h; s-usg5-2-2.h)
        !           288: 
        !           289:   Changes mostly merged in 18.55.
        !           290:   You may need to put an #ifndef AIX conditional
        !           291:   around the definition of closedir in sysdep.c.
        !           292: 
        !           293: IBM RT/PC (m-ibmrt.h or m-ibmrt-aix.h; s-bsd4-2.h or s-usg5-2-2.h)
        !           294: 
        !           295:   18.52 works on both operating systems.
        !           296:   Use s-bsd-4-2.h for the 4.2-like system and s-usg5-2-2.h for AIX.
        !           297: 
        !           298:   On BSD, if you have trouble, try compiling with a different compiler.
        !           299: 
        !           300:   On AIX, the file /usr/lib/samples/hft/hftctl.c must be compiled into
        !           301:   hftctl.o, with this result left in the src directory (hftctl.c is
        !           302:   part of the standard AIX distribution).
        !           303: 
        !           304:   window.c must not be compiled with -O on AIX.
        !           305: 
        !           306: Integrated Solutions `Optimum V' (m-isi-ov.h; s-bsd4-2.h or s-bsd4-3.h)
        !           307: 
        !           308:   18.52 said to work on some sort of ISI machine.
        !           309:   Version 18.45 worked (running on a Optimum V (VME bus, 68020)
        !           310:   BSD 4.2 (3.05e) system).  18.42 is reported to work on
        !           311:   a Qbus 68010 system.  Has not been tried on `WorkStation' `Cluster
        !           312:   Compute Node' `Cluster WorkStation' or `Server Node'  (Love the
        !           313:   StudLYCaps) 
        !           314: 
        !           315:   Compilation with -O is rumored to break something.
        !           316: 
        !           317:   On recent system versions, you may need to undefine the macro UMAX
        !           318:   in etc/loadst.c and src/getpagesize.h.  They stupidly defined this
        !           319:   in a system header file, which confuses Emacs (which thinks that UMAX
        !           320:   indicates the Umax operating system).
        !           321: 
        !           322: Intel 80386 (m-intel386.h; s-bsd4-2.h, s-usg5-2-2.h, s-usg5-3.h or s-xenix.h)
        !           323: 
        !           324:   Changes merged in 18.50 for all three operating systems.
        !           325:   If you are using Xenix, see notes above under Xenix.
        !           326: 
        !           327:   Some sysV.3 systems seem to have bugs in `opendir';
        !           328:   for them, alter `config.h' to define NONSYSTEM_DIR_LIBRARY
        !           329:   and undefine SYSV_SYSTEM_DIR.
        !           330: 
        !           331: Iris 2500 (m-irist.h; s-iris3-5.h or s-iris3-6.h)
        !           332: 
        !           333:   Version 18 said to work; use s-irist3-5.h for system version 2.5
        !           334:   and s-iris3-6.h for system version 3.6.
        !           335: 
        !           336: Iris 2500 Turbo (m-irist.h; s-iris3-5.h or s-iris3-6.h)
        !           337: 
        !           338:   18.49 works.  Use s-iris3-6.h for system versions 3.6 and up.
        !           339:   Note that the 3030 is the same machine as this.
        !           340: 
        !           341: Iris 4D (m-iris4d.h; s-iris3-6.h)
        !           342: 
        !           343:   Changes for 18.49 are merged in 18.50.  18.52 seems to work.
        !           344: 
        !           345:   Note that the compilation of etc/loadst.c requires editing etc/Makefile.
        !           346:   See the comment in that file.
        !           347: 
        !           348:   Someone says that with the yellow pages you must change two definitions
        !           349:   in m-iris4d.h as follows:
        !           350: 
        !           351:     #define LIBS_MACHINE -lsun -lbsd -lPW -lmld
        !           352:     #define C_SWITCH_MACHINE -I/usr/include/sun -I/usr/include/bsd
        !           353: 
        !           354: Macintosh
        !           355: 
        !           356:   We are boycotting Apple because of Apple's efforts to take away
        !           357:   our freedom to write compatible imitations of existing software.
        !           358:   If you value your freedom to write such programs, we urge you
        !           359:   not to buy from Apple, not to develop software for Apple, and
        !           360:   certainly not to accept a job with Apple.
        !           361: 
        !           362:   See the file APPLE in this directory for more information.
        !           363: 
        !           364: Masscomp (m-masscomp.h; s-rtu.h)
        !           365: 
        !           366:   18.36 worked on a 5500DP running RTU v3.1a and compiler version 3.2
        !           367:   with minor fixes that are included in 18.37.  However, bizarre behavior
        !           368:   was reported for 18.36 on a Masscomp (model and version unknown but probably
        !           369:   a 68020 system).  The report sounds like a compiler bug.
        !           370: 
        !           371:   A compiler bug affecting statements like 
        !           372:     unsigned char k; unsigned char *p;... x = p[k];
        !           373:   has been reported for "C version 1.2 under RTU 3.1".  We do not wish
        !           374:   to take the time to install the numerous workarounds required to
        !           375:   compensate for this bug; go complain to Masscomp.
        !           376: 
        !           377:   For RTU version 3.1, define FIRST_PTY_LETTER to be 'p' in s-rtu.h
        !           378:   (or #undef and redefine it in config.h) so that ptys will be used.
        !           379: 
        !           380:   GNU Emacs is said to have no chance of compiling on RTU versions
        !           381:   prior to v3.0.
        !           382: 
        !           383: Megatest (m-mega68.h; s-bsd4-2.h)
        !           384: 
        !           385:   Emacs 15 worked; do not have any reports about Emacs 16 or 17
        !           386:   but any new bugs are probably not difficult.
        !           387: 
        !           388: Mips (m-mips.h; s-usg5-2.h?)
        !           389: 
        !           390:   Changes merged in 18.39.
        !           391: 
        !           392: NCR Tower 32 (m-tower32.h; s-usg5-2.h)
        !           393: 
        !           394:   Works as of 17.56.
        !           395: 
        !           396: Nixdorf Targon 31 (m-targon31.h; s-usg5-2-2.h)
        !           397: 
        !           398:   m- file for version 17 is included in 18
        !           399:   but whether it works is not known.
        !           400:   src/unexec.c bombs if compiled with -O.
        !           401:   Note that the "Targon 35" is really a Pyramid.
        !           402: 
        !           403: Nu (TI or LMI) (m-nu.h; s-usg5-2.h)
        !           404: 
        !           405:   Version 18 is believed to work.
        !           406: 
        !           407: Plexus (m-plexus.h; s-usg5-2.h)
        !           408: 
        !           409:   Works as of 17.56.
        !           410: 
        !           411: Pmax, Mips from DEC (m-pmax.h; s-bsd4-3.h)
        !           412: 
        !           413:   Minor changes merged in 18.55.
        !           414: 
        !           415: Prime EXL (m-intel386.h, s-usg5-3.h)
        !           416: 
        !           417:   18.54 should work.
        !           418: 
        !           419: Pyramid (m-pyramid.h; s-bsd4-2.h)
        !           420: 
        !           421:   In OSx 4.0, it seems necessary to add the following two lines
        !           422:   to m-pyramid.h:
        !           423:      #define _longjmp longjmp
        !           424:      #define _setjmp setjmp
        !           425: 
        !           426:   In Pyramid system 2.5 there has been a compiler bug making
        !           427:   Emacs crash just after screen-splitting with Qnil containing 0.
        !           428:   A compiler that fixes this is Pyramid customer number 8494,
        !           429:   internal number 1923.
        !           430: 
        !           431:   Some versions of the pyramid compiler get fatal
        !           432:   errors when the -gx compiler switch is used; if this
        !           433:   happens to you, change src/m-pyramid.h to define
        !           434:   C_DEBUG_SWITCH with an empty definition.
        !           435: 
        !           436:   Some old system versions may require you to define PYRAMID_OLD
        !           437:   in when alloca.s is preprocessed, in order to define _longjmp and _setjmp.
        !           438: 
        !           439: Sequent (m-sequent.h; s-bsd4-2.h)
        !           440: 
        !           441:   For balance and symmetry.  Emacs 18.51 should work on system version
        !           442:   3.0.  18.5[23] is said to work.  Delete some lines at the end of
        !           443:   m-sequent.h for earlier system versions.
        !           444: 
        !           445: SONY News (m-news.h; s-bsd4-2.h, or s-bsd4-3.h for system release 3)
        !           446: 
        !           447:   18.52 should work.
        !           448: 
        !           449: Stride (m-stride.h; s-usg5-2.h)
        !           450: 
        !           451:   Works (most recent news for 18.30) on their release 2.0.
        !           452:   For release 2.2, see the end of m-stride.h.
        !           453:   It may be possible to run on their V.1 system but changes
        !           454:   in the s- file would be needed.
        !           455: 
        !           456: Sun 1, 2 and 3 (m-sun1.h, m-sun2.h, m-sun3.h; s-bsd4-2.h or s-sunos4.h)
        !           457: 
        !           458:   There are three m- files for different versions of SunOS.
        !           459:   All are derived from Berkeley 4.2.  Emacs 17 has run on all of them.
        !           460:   Whether you should use m-sun1.h, m-sun2.h or m-sun3.h depends
        !           461:   on the VERSION OF THE OPERATING SYSTEM you have.
        !           462:   You will need to use m-sun3.h on Sun 2's running SunOS release 3.
        !           463: 
        !           464:   For SunOS release 4 on a Sun 3, use m-sun3.h and s-sunos4.h.
        !           465:   See the file etc/SUNBUG for how to solve problems caused by bugs in
        !           466:   the "export" version of SunOS 4.
        !           467: 
        !           468:   If you want to use SunWindows, define HAVE_SUN_WINDOWS
        !           469:   in config.h to enable a special interface called `emacstool'.
        !           470:   The definition must *precede* the #include "m-sun3.h".
        !           471:   System version 3.2 is required for this facility to work.
        !           472: 
        !           473:   We recommend that you instead use the X window system, which
        !           474:   has technical advantages, is an industry standard, and is also
        !           475:   free software.
        !           476: 
        !           477:   Note that Emacs on a Sun is not really as big as it looks.
        !           478:   As dumped, it includes around 200k of zeros between the
        !           479:   original text section and the original data section
        !           480:   (now remapped as part of the text).  These are never
        !           481:   swapped in.
        !           482: 
        !           483:   To build a single Emacs that will run on Sun 2 and Sun 3
        !           484:   HARDWARE, just build it on the Sun 2.
        !           485: 
        !           486: Sun 4 (m-sparc.h; s-bsd4-2.h or s-sunos4.h)
        !           487: 
        !           488:   Changes merged in 18.50.  Some people say optimizing compilation
        !           489:   does not work; some say that -O2 (whatever that is) works
        !           490:   perhaps with a small change.
        !           491: 
        !           492:   Use s-sunos4.h for operating system version 4.
        !           493:   See the file etc/SUNBUG for how to solve problems caused by bugs in
        !           494:   the "export" version of SunOS 4.
        !           495: 
        !           496: Sun Roadrunner (m-sun386.h; s-sunos4.h)
        !           497: 
        !           498:   Changes merged in 18.51.
        !           499: 
        !           500: Tahoe (m-tahoe.h; s-bsd4-2.h or s-bsd4-3.h)
        !           501: 
        !           502:   18.52 known to work on some Tahoes, but a compiler bug intervenes
        !           503:   on others.  Some Emacs versions have worked in Unisys 1r4
        !           504:   (not in 1r3) and CCI I.21.
        !           505: 
        !           506:   If you have trouble compiling etc/loadst.c, turn off the definition
        !           507:   of DKSTAT_HEADER_FILE in m-tahoe.h.
        !           508: 
        !           509: Tektronix 16000 box (6130?) (m-16000.h; s-bsd4-2.h)
        !           510: 
        !           511:   Emacs 17.61 worked.
        !           512: 
        !           513: Tektronix 4300 (m-tex4300.h; s-bsd4-3.h)
        !           514: 
        !           515:   Emacs 18.51 should work.
        !           516: 
        !           517: Ustation E30 (SS5E) (m-ustation.h; s-unipl5-2.h).
        !           518: 
        !           519:   Changes merged in 18.52; don't know whether they work.
        !           520: 
        !           521: Vax running Berkeley Unix (m-vax.h; s-bsd4-1.h, s-bsd4-2.h or s-bsd4-3.h)
        !           522: 
        !           523:   Works.
        !           524: 
        !           525: Vax running Ultrix (m-vax.h; s-bsd4-2.h or s-bsd4-3.h)
        !           526: 
        !           527:   Works.  Note that "ultrix" is essentially 4.2 or 4.3, depending on version.
        !           528: 
        !           529:   Ultrix 3.0 has incompatibilities in its X library if you have the
        !           530:   Ultrix version of X.  To solve them, you need to prevent XvmsAlloc.o
        !           531:   in Xlib from being used.  Israel Pinkas says:
        !           532: 
        !           533:     I added the following lines to config.h after the X defines:
        !           534: 
        !           535:     #if defined(ultrix) && defined(X11)
        !           536:     #define OBJECTS_SYSTEM calloc.o
        !           537:     #endif
        !           538: 
        !           539:     Then I ran the following:
        !           540: 
        !           541:     ar x /usr/lib/libc.a calloc.o
        !           542: 
        !           543: Vax running System V rel 2 (m-vax.h; s-usg5-2.h)
        !           544: 
        !           545:   18.27 Works.
        !           546: 
        !           547: Vax running System V rel 0 (m-vax.h; s-usg5-0.h)
        !           548: 
        !           549:   Works as of 18.36.
        !           550: 
        !           551: Vax running VMS (m-vax.h; s-vms.h  but on VMS they are m_vax.h and s_vms.h)
        !           552: 
        !           553:   18.36 believed to work.  Addition of features is necessary to make
        !           554:   this Emacs version more usable.
        !           555: 
        !           556: Whitechapel MG1 (m-mg1.h, s-?)
        !           557: 
        !           558:   May work.  Supposedly no changes were needed except the m- file.
        !           559:   I do not know what Unix version runs on them.
        !           560: 
        !           561: Wicat (m-wicat.h; s-usg5-2.h)
        !           562: 
        !           563:   Changes merged as of 18.6; whether they work is unknown.
        !           564:   See comments in m-wicat.h for things you should change
        !           565:   depending on the system and compiler version you have.
        !           566: 
        !           567: Local variables:
        !           568: mode: text
        !           569: fill-prefix: "  "
        !           570: End:

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