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archie/tcl7.6/unix/porting.notes
Mario Fetka b2af3b41bd Update tcl/tk for tcl-dp
2024-05-27 16:40:40 +02:00

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This file contains a collection of notes that various people have
provided about porting Tcl to various machines and operating systems.
I don't have personal access to any of these machines, so I make
no guarantees that the notes are correct, complete, or up-to-date.
If you see the word "I" in any explanations, it refers to the person
who contributed the information, not to me; this means that I
probably can't answer any questions about any of this stuff. In
some cases, a person has volunteered to act as a contact point for
questions about porting Tcl to a particular machine; in these
cases the person's name and e-mail address are listed. I'm
interested in getting new porting information to add to the file;
please mail updates to "john.ousterhout@eng.sun.com".
This file reflects information provided for Tcl 7.4 and later releases.
If there is no information for your configuration in this file, check
the file "porting.old" too; it contains information that was
submitted for Tcl 7.3 and earlier releases, and some of that information
may still be valid.
A new porting database has recently become available on the Web at
the following URL:
http://www.sunlabs.com/cgi-bin/tcl/info.4.0
This page provides information about the platforms on which Tcl 7.4
and Tk 4.0 have been compiled and what changes were needed to get Tcl
and Tk to compile. You can also add new entries to that database
when you install Tcl and Tk on a new platform. The Web database is
likely to be more up-to-date than this file.
sccsid = SCCS: @(#) porting.notes 1.17 96/05/18 16:49:24
--------------------------------------------
Solaris, various versions
--------------------------------------------
1. If typing "make test" results in an error message saying that
there are no "*.test" files, or you get lots of globbing errors,
it's probably because your system doesn't have cc installed and
you used gcc. In order for this to work, you have to set your
CC environment variable to gcc and your CPP environment variable
to "gcc -E" before running the configure script.
2. Make sure that /usr/ucb is not in your PATH or LD_LIBRARY_PATH
environment variables; this will cause confusion between the new
Solaris libraries and older UCB versions (Tcl will expect one version
and get another).
3. There have been several reports of problems with the "glob" command.
So far these reports have all been for older versions of Tcl, but
if you run into problems, edit the Makefile after "configure" is
run and add "-DNO_DIRENT_H=1" to the definitions of DEFS. Do this
before compiling.
--------------------------------------------
Pyramid DC/OSx SVr4, DC/OSx version 94c079
--------------------------------------------
Tcl seems to dump core in cmdinfo.test when compiled with the
optimiser turned on in TclEval which calls 'free'. To get around
this, turn the optimiser off.
--------------------------------------------
SGI machines, IRIX 5.2, 5.3, IRIX64 6.0.1
--------------------------------------------
1. If you compile with gcc-2.6.3 under some versions of IRIX (e.g.
4.0.5), DBL_MAX is defined too large for gcc and Tcl complains
about all floating-point values being too large to represent.
If this happens, redefining DBL_MAX to 9.99e299.
2. Add "-D_BSD_TIME" to CFLAGS in Makefile. This avoids type conflicts
in the prototype for the gettimeofday procedure.
2. If you're running under Irix 6.x and tclsh dumps core, try
removing -O from the CFLAGS in Makefile and recompiling; compiler
optimizations seem to cause problems on some machines.
--------------------------------------------
IBM RTs, AOS
--------------------------------------------
1. Steal fmod from 4.4BSD
2. Add a #define to tclExpr such that:
extern double fmod();
is defined conditionally on ibm032
--------------------------------------------
QNX 4.22
--------------------------------------------
tclPort.h
- commented out 2 lines containing #include <sys/param.h>
tcl.h
- changed #define VARARGS ()
- to #ifndef __QNX__
#define VARARGS ()
#else
#define VARARGS (void *, ...)
#endif
--------------------------------------------
Interactive UNIX
--------------------------------------------
Add the switch -Xp to LIBS in Makefile; otherwise strftime will not
be found when linking.
--------------------------------------------
Motorola SVR4 V4.2 (m88k)
--------------------------------------------
For Motorola Unix R40V4.2 (m88k architechure), use /usr/ucb/cc instead of
/usr/bin/cc. Otherwise, the compile will fail because of conflicts over
the gettimeofday() call.
Also, -DNO_DIRENT_H=1 is required for the "glob" command to work.
--------------------------------------------
NeXTSTEP 3.x
--------------------------------------------
Here's the set of changes I made to make 7.5b3 compile cleanly on
NeXTSTEP3.x.
Here are a couple lines from unix/Makefile:
# Added utsname.o, which implements a uname() emulation for NeXTSTEP.
COMPAT_OBJS = getcwd.o strtod.o tmpnam.o utsname.o
TCL_NAMES=\
-Dstrtod=tcl_strtod -Dtmpnam=tcl_tmpnam -Dgetcwd=tcl_getcwd \
-Dpanic=tcl_panic -Dmatherr=tcl_matherr \
-Duname=tcl_uname -Dutsname=tcl_utsname
# Added mode_t, pid_t, and O_NONBLOCK definitions.
AC_FLAGS = -DNO_DIRENT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_SYS_TIME_H=1
-DTIME_WITH_SYS_TIME=1 -DHAVE_TM_ZONE=1 -DHAVE_TM_GMTOFF=1 -DHAVE_TIMEZONE_VAR=1
-DSTDC_HEADERS=1 -Dmode_t=int -Dpid_t=int -DO_NONBLOCK=O_NDELAY ${TCL_NAMES}
Here are diffs for other files. utsname.[hc] are a couple files I added
to compat/ I'm not clear whether that's where they legitimately belong
- I considered stashing them in tclLoadNext.c instead. The tclIO.c
change was a bug, I believe, which I reported on comp.lang.tcl and
has apparently been noted and fixed. The objc_loadModules() change
allows "load" to load object code containing Objective-C code in
addition to plain C code.
---
scott hess <shess@winternet.com> (WWW to "http://www.winternet.com/~shess/")
Work: 12550 Portland Avenue South #121, Burnsville, MN 55337 (612)895-1208
diff -rc tcl7.5b3.orig/compat/utsname.c tcl7.5b3/compat/utsname.c
*** tcl7.5b3.orig/compat/utsname.c Tue Apr 2 13:57:23 1996
--- tcl7.5b3/compat/utsname.c Mon Mar 18 11:05:54 1996
***************
*** 0 ****
--- 1,27 ----
+ /*
+ * utsname.c --
+ *
+ * This file is an emulation of the POSIX uname() function
+ * under NeXTSTEP 3.x.
+ *
+ */
+
+ #include "utsname.h"
+ #include <mach-o/arch.h>
+ #include <stdio.h>
+
+ int uname( struct utsname *name)
+ {
+ const NXArchInfo *arch;
+ if( gethostname( name->nodename, sizeof( name->nodename))==-1) {
+ return -1;
+ }
+ if( (arch=NXGetLocalArchInfo())==NULL) {
+ return -1;
+ }
+ strncpy( name->machine, arch->description, sizeof( name->machine));
+ strcpy( name->sysname, "NEXTSTEP");
+ strcpy( name->release, "0");
+ strcpy( name->version, "3");
+ return 0;
+ }
diff -rc tcl7.5b3.orig/compat/utsname.h tcl7.5b3/compat/utsname.h
*** tcl7.5b3.orig/compat/utsname.h Tue Apr 2 13:57:26 1996
--- tcl7.5b3/compat/utsname.h Mon Mar 18 10:34:05 1996
***************
*** 0 ****
--- 1,22 ----
+ /*
+ * utsname.h --
+ *
+ * This file is an emulation of the POSIX uname() function
+ * under NeXTSTEP.
+ *
+ */
+
+ #ifndef _UTSNAME
+ #define _UTSNAME
+
+ struct utsname {
+ char sysname[ 32];
+ char nodename[ 32];
+ char release[ 32];
+ char version[ 32];
+ char machine[ 32];
+ };
+
+ extern int uname( struct utsname *name);
+
+ #endif /* _UTSNAME */
diff -rc tcl7.5b3.orig/generic/tclIO.c tcl7.5b3/generic/tclIO.c
*** tcl7.5b3.orig/generic/tclIO.c Fri Mar 8 12:59:53 1996
--- tcl7.5b3/generic/tclIO.c Mon Mar 18 11:38:57 1996
***************
*** 2542,2548 ****
}
result = GetInput(chanPtr);
if (result != 0) {
! if (result == EWOULDBLOCK) {
chanPtr->flags |= CHANNEL_BLOCKED;
return copied;
}
--- 2542,2548 ----
}
result = GetInput(chanPtr);
if (result != 0) {
! if (result == EAGAIN) {
chanPtr->flags |= CHANNEL_BLOCKED;
return copied;
}
diff -rc tcl7.5b3.orig/unix/tclLoadNext.c tcl7.5b3/unix/tclLoadNext.c
*** tcl7.5b3.orig/unix/tclLoadNext.c Sat Feb 17 16:16:42 1996
--- tcl7.5b3/unix/tclLoadNext.c Mon Mar 18 10:02:36 1996
***************
*** 55,61 ****
char *files[]={fileName,NULL};
NXStream *errorStream=NXOpenMemory(0,0,NX_READWRITE);
! if(!rld_load(errorStream,&header,files,NULL)) {
NXGetMemoryBuffer(errorStream,&data,&len,&maxlen);
Tcl_AppendResult(interp,"couldn't load file \"",fileName,"\": ",data,NULL);
NXCloseMemory(errorStream,NX_FREEBUFFER);
--- 55,61 ----
char *files[]={fileName,NULL};
NXStream *errorStream=NXOpenMemory(0,0,NX_READWRITE);
! if(objc_loadModules(files,errorStream,NULL,&header,NULL)) {
NXGetMemoryBuffer(errorStream,&data,&len,&maxlen);
Tcl_AppendResult(interp,"couldn't load file \"",fileName,"\": ",data,NULL);
NXCloseMemory(errorStream,NX_FREEBUFFER);
diff -rc tcl7.5b3.orig/unix/tclUnixFile.c tcl7.5b3/unix/tclUnixFile.c
*** tcl7.5b3.orig/unix/tclUnixFile.c Thu Mar 7 18:16:34 1996
--- tcl7.5b3/unix/tclUnixFile.c Mon Mar 18 11:10:03 1996
***************
*** 31,37 ****
--- 31,41 ----
static int executableNameExitHandlerSet = 0;
+ #if NeXT
+ #define waitpid( p, s, o) wait4( p, s, o, NULL)
+ #else
extern pid_t waitpid _ANSI_ARGS_((pid_t pid, int *stat_loc, int options));
+ #endif
/*
* Static routines for this file:
diff -rc tcl7.5b3.orig/unix/tclUnixInit.c tcl7.5b3/unix/tclUnixInit.c
*** tcl7.5b3.orig/unix/tclUnixInit.c Sat Feb 17 16:16:39 1996
--- tcl7.5b3/unix/tclUnixInit.c Mon Mar 18 11:50:28 1996
***************
*** 14,20 ****
#include "tclInt.h"
#include "tclPort.h"
#ifndef NO_UNAME
! # include <sys/utsname.h>
#endif
#if defined(__FreeBSD__)
#include <floatingpoint.h>
--- 14,24 ----
#include "tclInt.h"
#include "tclPort.h"
#ifndef NO_UNAME
! # if NeXT
! # include "../compat/utsname.h"
! # else
! # include <sys/utsname.h>
! # endif
#endif
#if defined(__FreeBSD__)
#include <floatingpoint.h>
diff -rc tcl7.5b3.orig/unix/tclUnixPort.h tcl7.5b3/unix/tclUnixPort.h
*** tcl7.5b3.orig/unix/tclUnixPort.h Thu Mar 7 18:16:31 1996
--- tcl7.5b3/unix/tclUnixPort.h Mon Mar 18 11:53:14 1996
***************
*** 76,82 ****
*/
#include <sys/socket.h> /* struct sockaddr, SOCK_STREAM, ... */
! #include <sys/utsname.h> /* uname system call. */
#include <netinet/in.h> /* struct in_addr, struct sockaddr_in */
#include <arpa/inet.h> /* inet_ntoa() */
#include <netdb.h> /* gethostbyname() */
--- 76,88 ----
*/
#include <sys/socket.h> /* struct sockaddr, SOCK_STREAM, ... */
! #ifndef NO_UNAME
! # if NeXT
! # include "../compat/utsname.h"
! # else
! # include <sys/utsname.h> /* uname system call. */
! # endif
! #endif
#include <netinet/in.h> /* struct in_addr, struct sockaddr_in */
#include <arpa/inet.h> /* inet_ntoa() */
#include <netdb.h> /* gethostbyname() */
--------------------------------------------
SCO Unix 3.2.4 (ODT 3.0)
--------------------------------------------
The macro va_start in /usr/include/stdarg.h is incorrectly terminated by
a semi-colon. This causes compile of generic/tclBasic.c to fail. The
best solution is to edit the definition of va_start to remove the `;'.
This will fix this file for anything you want to compile. If you don't have
permission to edit /usr/include/stdarg.h in place, copy it to the tcl unix
directory and change it there.
Contact me directly if you have problems on SCO systems.
Mark Diekhans <markd@sco.com>
--------------------------------------------
SCO Unix 3.2.5 (ODT 5.0)
--------------------------------------------
Expect failures from socket tests 2.9 and 3.1.
Contact me directly if you have problems on SCO systems.
Mark Diekhans <markd@sco.com>
--------------------------------------------
Linux 1.2.13 (gcc 2.7.0, libc.so.5.0.9)
--------------------------------------------
Symptoms:
* Some extensions could not be loaded dynamically, most
prominently Blt 2.0
The given error message essentially said:
Could not resolve symbol '__eprintf'.
(This procedure is used by the macro 'assert')
Cause
* '__eprintf' is defined in 'libgcc.a', not 'libc.so.x.y'.
It is therefore impossible to load it dynamically.
* Neither tcl nor tk make use of 'assert', thereby
preventing a static linkage.
Workaround
* I included <assert.h> in 'tclAppInit.c' / 'tkAppInit.c'
and then executed 'assert (argc)' just before the call
to Tcl_Main / Tk_Main.
This forced the static linkage of '__eprintf' and
everything went fine from then on.
(Something like 'assert (1)', 'assert (a==a)' is not
sufficient, it will be optimized away).
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