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===========================================================================
GMP port to Power Macintosh and MacOS
Kent Boortz <kent@swox.se>
===========================================================================
This is an unsupported port of GMP to Power Macintosh and MacOS. It
will use the optimized 'mpn' assembler routines written for 32 bit
PowerPC to gain speed.
The output is a library
$GMP_SOURCE_DIR/macos/libgmp.$GMP_VERSION
Not all tests pass
I never run the 'io' test the source don't compile
If using Apple's compilers I never run the mpz t-mul, mpf t-add
and mpf t-sub because they don't compile with MrC 4.1
The 'mpf/t-muldiv' test fails, see PROBLEMS section below
REQUIREMENTS
============
To compile into the library you need
Apple MPW (free) or CodeWarrior MPW
(GMP build was tested with CodeWarrior Pro 5)
MacPerl 5 for MPW
MacPerl is free, download and install the MPW tool version from
http://www.macperl.com
You need the "Appl" and "Tool" archive, for example
http://www.perl.com/CPAN-local/ports/mac/Mac_Perl_520r4_appl.bin
http://www.perl.com/CPAN-local/ports/mac/Mac_Perl_520r4_tool.bin
See the file "Install.MPW_Perl" for MPW Perl installation instructions.
For compiling with the free Apple MPW development system you need a
68K Macintosh with a 68020 or higher microprocessor, or any Power
Macintosh with at least 8 Mb of memory and MacOS 7.5 or later.
See the CodeWarrior documentation for the CodeWarrior MPW requirements.
INSTALLATION
============
The MPW development system can be found on February 2000 Apple developer
"tool chest" CD or be downloaded from
http://developer.apple.com/tools/mpw-tools/
You need "StuffIt Expander" to unpack the source. You can download
"StuffIt Expander" for free from
http://www.aladdinsys.com/expander/expander_mac_login.html
Unpack the installation instructions
ftp://ftp.apple.com/developer/Tool_Chest/Core_Mac_OS_Tools/MPW_etc./About_MPW_etc.sit.hqx
This result is a PDF file that can be read with the free Acrobat Reader
http://www.adobe.com/products/acrobat/readstep.html
From the MPW development environment you need at least
ftp://ftp.apple.com/developer/Tool_Chest/Core_Mac_OS_Tools/MPW_etc./MPW-GM/MPW/MPW_Shell.sit.hqx
ftp://ftp.apple.com/developer/Tool_Chest/Core_Mac_OS_Tools/MPW_etc./MPW-GM/MPW/Scripts.sit.hqx
ftp://ftp.apple.com/developer/Tool_Chest/Core_Mac_OS_Tools/MPW_etc./MPW-GM/MPW/Tools/GetFileName.sit.hqx
ftp://ftp.apple.com/developer/Tool_Chest/Core_Mac_OS_Tools/MPW_etc./MPW-GM/MPW/Tools/Make.sit.hqx
ftp://ftp.apple.com/developer/Tool_Chest/Core_Mac_OS_Tools/MPW_etc./MPW-GM/MPW/Tools/MrC.sit.hqx
ftp://ftp.apple.com/developer/Tool_Chest/Core_Mac_OS_Tools/MPW_etc./MPW-GM/MPW/Tools/PPCAsm.sit.hqx
ftp://ftp.apple.com/developer/Tool_Chest/Core_Mac_OS_Tools/MPW_etc./MPW-GM/MPW/Tools/PPCLink.sit.hqx
ftp://ftp.apple.com/developer/Tool_Chest/Core_Mac_OS_Tools/MPW_etc./MPW-GM/Interfaces&Libraries/Libraries.sit.hqx
ftp://ftp.apple.com/developer/Tool_Chest/Core_Mac_OS_Tools/MPW_etc./MPW-GM/Interfaces&Libraries/RuntimeLibraries.sit.hqx
ftp://ftp.apple.com/developer/Tool_Chest/Core_Mac_OS_Tools/MPW_etc./MPW-GM/Interfaces&Libraries/Interfaces/CIncludes.sit.hqx
Put these into a folder and drag the whole folder to the "StuffIt
Expander" icon to unpack them.
Create a folder "Tools" inside the "MPW_Shell Folder" and move "Make",
"PPCAsm", "MrC" and "PPCLink" down into the "Tools" folder.
Move "Scripts" folder down into the "MPW_Shell Folder".
Create a folder "Interfaces&Libraries" at the same level as the
"MPW_Shell Folder" and inside this folder a new folders
"Interfaces". Put "RuntimeLibraries", "Libraries" and "CInlcudes" into
the corresponding folder.
You can see the expected file structure in
ftp://ftp.apple.com/developer/Tool_Chest/Core_Mac_OS_Tools/MPW_etc./FileList.txt
Follow the rest of the installation instructions in "About MPW etc.".
BUILD PROCESS
=============
The "macos" folder/directory should be inside the top directory in the
GMP source tree and should contain three files
README This file
configure Create files and directories needed
unix2mac Used to convert "configure" end-of-line chars
Makefile.in Source for the final "Makefile"
Double click on the "MPW Shell" icon and set the directory using the
"Directory" menu to the "$GMP_SOURCE_DIR:macos:" folder/directory.
Run "configure" in a two step process
% perl unix2mac configure > configure.mac
% perl configure.mac
or % perl configure.mac cw
If you use CodeWarrior MPW you need to add the argument "cw" to the
configure script. Then run "Make"
% make
This will not execute the commands. It is like "make -n" on Unix, and
will display the commands to execute. You select the commands and
hit "enter" to actually execute the commands.
To test the code you execute the output from
% Make check
If there is an error the test program will complain. Note that the
test programs can contain errors so a test failure doesn't always
mean the library is broken.
To cleanup to the state before configure you execute the output from
% Make clean
Note that this will remove the resulting library as well.
PROBLEMS
========
Bug reports should be sent directly to Kent Boortz <kent@swox.se> and
*not* to "gmp-bugs@gnu.org".
This is a quick and dirty port. I can imagine tons of problems if for
example your unpacking of the source files results in some sort of
conversion of the end-of-file characters. Also the configure script
isn't in sync with the rest of the GMP source and a new GMP release
is likely to break this MacOS port.
The library uses stream I/O operations for some of the GMP functions
and maybe for some error messages. This means that to link this
library to form a normal Mac application you may get link problems,
i.e. a Mac normally has no console/shell to write to. I "think" there
is some sort of glue library or something to link with but
unfortunately I don't really know at the moment.
The "return" key and the "enter" key mean different things to MPW.
The first just add a line break, the second send the line your
pointer is at or the selection you have to the MPW command
interpreter.
If you mount the GMP source from a Unix netatalk server don't edit or
remote files from the Unix side. MPW and MacOS gets very confused
about what file and directories that are there or not.
If you really need a MacOS m68k version of GMP let me know and I may
take the time to do the port.
The 'mpf/t-muldiv' test fails if compiled with MWPPC
ERROR in mpf_mul or mpf_div after 97366 tests
u = 0.5048709791063773838898876874312608802911e-28
v = 0.9313190219018526546832738459330147632116e-9
x = 0.50487097910637738388988768743126088029113124439203043966433e-28
w = 0.54210315394973578595915199220823233621433472905573800979413e-19
The values 'u' and 'x' should be "close" but are not close enough for
the test case. This may or may not indicate a bug in the MWPCC
compiler. There is no complaint using the MrC compiler but I'm not sure
the same semi-random sequence is used.
Kent Boortz <kent@swox.se>
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