ocaml/README.win32

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Release notes on the MS Windows port of Caml Special Light
----------------------------------------------------------
REQUIREMENTS:
This port runs under Windows 95 and Windows NT on Intel-based machines.
Windows 3.1 and Windows for Workgroups are not supported. Windows NT
on non-Intel processors has not been tested.
The base bytecode system (cslc, csltop, csllex, cslyacc, ...) runs without
any additional tools.
Linking Caml bytecode with C code (cslc -custom) requires the
Microsoft Visual C++ compiler version 4.0.
The native-code compiler (cslopt) requires Visual C++ version 4.0
and the Microsoft assembler MASM version 5.
The cslmktop and cslcp commands are Bourne shell scripts.
They can be run with the Korn shell available at
ftp://ftp.winsite.com/pub/pc/winnt/misc/ntsh01.zip.
INSTALLATION:
The binary distribution consists of a .zip archive file. This .zip
contains long filenames and cannot therefore be unpacked with pkunzip
version 2. Use either Winzip (shareware) or the NT/95 version of unzip
(freeware):
ftp://ftp.winsite.com/pub/pc/winnt/misc/wznt56.exe
ftp://ftp.uu.net/pub/archiving/zip/WIN32/unz512xN.exe
Unzipping the distribution creates (among others) the following
directories and files:
camlsl\cslwin.exe The toplevel application
camlsl\cslwin.ini Its configuration file
camlsl\bin\ The command-line compilers and tools
camlsl\lib\ The standard library files
Installing the toplevel application:
Copy the file camlsl\cslwin.ini to the Windows system directory
(e.g. C:\windows). This file assumes that the standard library resides
in C:\camlsl\lib. If this is not the case, edit the file cslwin.ini
and change the line that says
CmdLine=cslrun C:\camlsl\lib\csltop -I C:\camlsl\lib
to
CmdLine=cslrun <caml_dir>\lib\csltop -I <caml_dir>\lib
e.g.
CmdLine=cslrun D:\lang\camlsl\lib\csltop -I D:\lang\camlsl\lib
Installing the command-line tools:
You must add the camlsl\bin subdirectory to the PATH variable, e.g.
set PATH=%PATH%;D:\lang\camlsl\bin
Running directly the tools (e.g. typing D:\lang\camlsl\bin\cslc)
will not work if the camlsl\bin directory is not in PATH, because cslc
and the other tools will be unable to find the Caml runtime system
cslrun.exe.
The command-line tools assume that the standard library resides in
C:\camlsl\lib. If you have unpacked it elsehwere, define the CAMLLIB
environment variable to point to the standard library directory, e.g.
set CAMLLIB=D:\lang\camlsl\lib
RECOMPILATION FROM THE SOURCES:
The command-line tools can be recompiled from the Unix source
distribution (csl-X.YZ.tar.gz), which also contains the files modified
for Windows.
In addition to Visual C++ 4.0 and MASM 5, you will also need a healthy
set of Unix / GNU utilities that understands long file names
(see e.g. ftp://ftp.cc.utexas.edu/microlib/nt/gnu/).
The bootstrap compilers provided in the Unix distribution (boot/cslc
and boot/csllex) must be replaced by those from the binary Windows
distribution (camlsl\bin\cslc.exe and camlsl\bin\csllex.exe).
The sources for the toplevel graphical user interface are not
publically available.
RANDOM NOTES:
* The VC++ compiler does a poor job on byterun/interp.c. Consequently,
the performance of bytecode programs is about half of that obtained
under Unix/GCC on similar hardware. GCC would give much better
performance, but none of the currently available ports of GCC for
Win32 is sufficiently complete, robust and stable to compile Caml
Special Light.
* The "num" and "str" libraries are available under Win32. The other
external libraries ("unix", "threads", "camltk4") make heavy use of
Unix system calls and require considerable work to run under Win32.
CREDITS:
The initial port of Caml Special Light to Windows NT was done by Kevin
Gallo at Microsoft Research, who kindly contributed its changes to the
Caml Special Light project.
The graphical user interface for the toplevel is due to Jean-Marie
Geffroy at INRIA Rocquencourt.