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This is a port of Modula-3 release 3.6, from DEC Systems Research
Center. Modula-3 is a modern compiled programming language designed
for systems programming as well as large applications. Some notable
features include:
* A clean type system with good support for object-oriented
programming.
* A powerful module system.
* Lightweight threads, fully integrated into the language and all of
the libraries.
* Generics.
* Exceptions.
* Automatic storage management by a multithreaded, incremental,
generational garbage collector.
* Guaranteed type safety, plus the ability to confine unsafe code
behind safe interfaces.
* Elegance and simplicity, even compared with less powerful
languages such as C++ and Ada.
* Ease of integration with existing C libraries.
* A huge collection of runtime libraries, providing:
- Text manipulation.
- Generic containers (lists, sequences, tables, etc.).
- Atoms and symbolic expressions.
- An extensible stream I/O system.
- Persistent objects.
- Operating system interfaces.
- Networking.
- Very nice object-oriented graphics facilities, and some
convenient tools for building GUIs.
* A convenient browser.
A wealth of information about Modula-3 can be found at:
http://www.research.digital.com/SRC/modula-3/html/home.html
This port includes patches for a number of bugs found since the
release of DEC SRC's version 3.6. To save space and time, only
the most commonly-used subset of the DEC distribution is built and
installed by this port. That includes the compiler, the standard
libraries, and the graphics packages, but not the (huge) separate
projects such as netobj, zeus, obliq, and visual obliq. Specifically,
the following packages are included:
X11R4 m3browser mtex showthread
coverage m3build parseparams src
digraph m3bundle pp table-list
formsedit m3core quake tcp
formsvbt m3front realgeometry tcpextras
formsvbtpixmaps m3linker recordheap tempfiles
images m3middle replayheap ui
jvideo m3tohtml set vbtkit
libm3 m3tools showheap videovbt
m3 m3totex shownew web
To reduce download times, this port uses custom distfiles containing
only the packages listed above. Also, I have updated the code
generator so that it is based on gcc-2.7.2.1. If the gcc sources
are found on the system, the port will use the system sources
instead of downloading them. Altogether, these changes reduce the
size of the necessary distfiles from about 16 MB down to 2.7-4.5
MB, depending on what is already installed on the system.
If desired, the packages not included here can be built directly
from the DEC distribution, in:
ftp://gatekeeper.dec.com/pub/DEC/Modula-3/release-3.6/m3.tar.gz
John Polstra <jdp@polstra.com>
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