215 lines
8.0 KiB
Plaintext
215 lines
8.0 KiB
Plaintext
This file contains a collection of notes that various people have
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provided about porting Tcl to various machines and operating systems.
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I don't have personal access to any of these machines, so I make
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no guarantees that the notes are correct, complete, or up-to-date.
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In some cases, a person has volunteered to act as a contact point
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for questions about porting Tcl to a particular machine; in these
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cases the person's name and e-mail address are listed.
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---------------------------------------------
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Cray machines running UNICOS:
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Contact: John Freeman (jlf@cray.com)
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---------------------------------------------
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1. There is an error in the strstr function in UNICOS such that if the
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string to be searched is empty (""), the search will continue past the
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end of the string. Because of this, the history substitution loop
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will sometimes run past the end of its target string and trash
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malloc's free list, resulting in a core dump some time later. (As you
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can probably guess, this took a while to diagnose.) I've submitted a
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problem report to the C library maintainers, but in the meantime here
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is a workaround.
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-----------------------------------------------------------------
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diff -c1 -r1.1 tclHistory.c
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*** 1.1 1991/11/12 16:01:58
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--- tclHistory.c 1991/11/12 16:14:22
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***************
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*** 23,24 ****
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--- 23,29 ----
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#include "tclInt.h"
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+
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+ #ifdef _CRAY
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+ /* There is a bug in strstr in UNICOS; this works around it. */
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+ #define strstr(s1,s2) ((s1)?(*(s1)?strstr((s1),(s2)):0):0)
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+ #endif _CRAY
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---------------------------------------------
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MIPS systems runing EP/IX:
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---------------------------------------------
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1. Need to add a line "#include <bsd/sys/time.h>" in tclUnix.h.
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2. Need to add "-lbsd" into the line that makes tclTest:
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${CC} ${CFLAGS} tclTest.o libtcl.a -lbsd -o tclTest
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---------------------------------------------
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IBM RS/6000 systems running AIX:
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---------------------------------------------
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1. The system version of strtoul is buggy, at least under some
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versions of AIX. If the expression tests fail, try forcing Tcl
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to use its own version of strtoul instead of the system version.
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To do this, first copy strtoul.c from the compat subdirectory up
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to the main Tcl directory. Then modify the Makefile so that
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the definition for COMPAT_OBJS includes "strtoul.o". Note: the
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"config" script should now detect the buggy strtoul and substitute
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Tcl's version automatically.
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2. You may have to comment out the declaration of open in tclUnix.h.
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3. You may need to add "-D_BSD -lbsd" to the CFLAGS definition. This
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causes the system include files to look like BSD include files and
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causes C library routines to act like bsd library routines. Without
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this, the system may choke on "struct wait".
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---------------------------------------------
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AT&T 4.03 OS:
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---------------------------------------------
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Machine: i386/33Mhz i387 32k Cache 16MByte
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OS: AT&T SYSV Release 4 Version 3
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X: X11R5 fixlevel 9
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Xserver: X386 1.2
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1. Change the Tk Makefile as follows:
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XLIB = -lX11
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should be changed to:
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XLIB = -lX11 -lsocket -lnsl
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-------------------------------------------------------
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Silicon Graphics systems:
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-------------------------------------------------------
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1. Change the CC variable in the Makefile to:
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CC = cc -xansi -D__STDC__ -signed
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2. In Irix releases 4.0.1 or earlier the C compiler has a buggy optimizer.
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If Tcl fails its test suite or generates inexplicable errors,
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compile tclVar.c with -O0 instead of -O.
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3. For IRIX 5.1 or later, comments 1 and 2 are no longer relevant,
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but you must add -D_BSD_SIGNALS to CFLAGS to get the proper signal
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routines.
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4. Add a "-lsun" switch in the targets for tclsh and tcltest,
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just before ${MATH_LIBS}.
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---------------------------------------------
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NeXT machines running NeXTStep 3.1:
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---------------------------------------------
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1. Run configure with predefined CPP:
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CPP='cc -E' ./configure
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2. Edit Makefile:
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-add tmpnam.o to COMPAT_OBJS:
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COMPAT_OBJS = getcwd.o waitpid.o strtod.o tmpnam.o
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-add '-m' to MATH_LIBS
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MATH_LIBS = -m -lm
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3. Edit compat/tmpnam.o and replace "/usr/tmp" with "/tmp"
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After this, tcl7.0 will be build fine on NeXT (ignore linker warning)
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and run all the tests. There are some formatting problems in printf() or
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scanf() which come from NeXT's lacking POSIX conformance. Ignore those
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errors, they don't matter much.
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-------------------------------------------------
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ISC 2.2 UNIX (using standard ATT SYSV compiler):
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-------------------------------------------------
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In Makefile, change
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CFLAGS = -g -I. -DTCL_LIBRARY=\"${TCL_LIBRARY}\"
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to
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CFLAGS = -g -I. -DPOSIX_JC -DTCL_LIBRARY=\"${TCL_LIBRARY}\"
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This brings in the typedef for pid_t, which is needed for
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/usr/include/sys/wait.h in tclUnix.h.
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---------------------------------------------
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DEC Alphas:
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---------------------------------------------
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1. There appears to be a compiler/library bug that causes core-dumps
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unless you compile tclVar.c without optimization (remove the -O compiler
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switch). The problem appears to have been fixed in the 1.3-4 version
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of the compiler.
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---------------------------------------------
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CDC 4680MNP, EP/IX 1.4.3:
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---------------------------------------------
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The installation was done in the System V environment (-systype sysv)
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with the BSD extensions available (-I/usr/include/bsd and -lbsd). It was
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built with the 2.20 level C compiler. The 2.11 level should not be used
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because it has a problem with detecting NaN values in lines like:
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if (x != x) ...
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which appear in the TCL code.
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To make the configure script find the BSD extensions, I set environment
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variable DEFS to "-I/usr/include/bsd" and LIBS to "-lbsd" before
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running it. I would have also set CC to "cc2.20", but that compiler
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driver has a bug that loader errors (e.g. not finding a library routine,
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which the script uses to tell what is available) do not cause an error
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status to be returned to the shell.
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There is a bug in the <sys/wait.h> include file that mis-defines the
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structure fields and causes WIFEXITED and WIFSIGNALED to return incorrect
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values. My solution was to create a subdirectory "sys" of the main TCL
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source directory and put a corrected wait.h in it. The "-I." already on
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all the compile lines causes it to be used instead of the system version.
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To fix this, compare the structure definition in /usr/include/bsd/sys/wait.h
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with /bsd43/include/sys/wait.h (or mail to John Jackson, jrj@cc.purdue.edu,
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and he'll send you a context diff).
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After running configure, I made the following changes to Makefile:
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1) In AC_FLAGS, change:
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-DNO_WAIT3=1
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to
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-DNO_WAIT3=0 -Dwait3=wait2
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EP/IX (in the System V environment) provides a wait2() system
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call with what TCL needs (the WNOHANG flag). The extra parameter
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TCL passes to what it thinks is wait3() (the resources used by
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the child process) is always zero and will be safely ignored.
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3) Change:
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CC=cc
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to
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CC=cc2.20
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because of the NaN problem mentioned earlier. Skip this if the
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default compiler is already 2.20 (or later).
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4) Add "-lbsd" to the commands that create tclsh and tcltest
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(look for "-o").
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---------------------------------------------
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Convex systems, OS 10.1 and 10.2:
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Contact: Lennart Sorth (ls@dmi.min.dk)
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---------------------------------------------
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1. tcl7.0b2 compiles on Convex systems (OS 10.1 and 10.2) by just running
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configure, typing make, except tclUnixUtil.c needs to be compiled
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with option "-pcc" (portable cc, =!ANSI) due to:
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cc: Error on line 1111 of tclUnixUtil.c: 'waitpid' redeclared:
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incompatible types.
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-------------------------------------------------
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Pyramid, OSx 5.1a (UCB universe, GCC installed):
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-------------------------------------------------
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1. The procedures memcpy, strchr, fmod, and strrchr are all missing,
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so you'll need to provide substitutes for them. After you do that
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everything should compile fine. There will be one error in a scan
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test, but it's an obscure one because of a non-ANSI implementation
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of sscanf on the machine; you can ignore it.
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2. You may also have to add "tmpnam.o" to COMPAT_OBJS in Makefile:
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the system version appears to be bad.
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