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Native compilers for Windows

It is remarkable to me that so few  native compilers are still available on the market today. I am well aware of the benefits of .Net and Java byte-code compilers. However, there are a number of products that are better suited to native code.   Regardless of the reasons, it is troubling to note how few commercial/high quality competitors are left.

Worse yet, some of these compilers are basically out to pasture, obsolete, no longer maintained, old, crusty, and ultimately a dubious idea to base any professional work on. But they might still be a ton of fun to explore.

Here are a few products that still generate native code. I do not include compilers that run byte codes or tokenized source. I include compilers that generate assembly or "C" source that can the n be assembled/compiled to binaries.

Inclusion in this list is not an endorsement and neither is exclusion a judgement - I am merely collecting these lists as a service to myself and others.  The main criteria for inclusion is the generation of native code at compile time, not JIT and not interpreted.

By the way, it seems that 64-bit compilers are even rarer than Win32 compilers.

Many of these are no longer actively maintained which is too bad.

Ada Compilers

none known. See J language below for alternative.


NASM -the netwide assembler.

BASIC Compilers
C/C++ Compilers
NOTE: if you are doing Windows development using free tools, you probably need to get the Windows-specific headers and libraries. You can get these at:

CAML Compiler
COBOL Compilers
D Compilers
Factor Compiler

Factor has an optimizing compiler! This is a neat functional programming language very similar to Forth but far more powerful.
FORTRAN Compilers
Naturally, Fortran has many native compilers.
Google GO

Lisp Compilers (Common Lisp and Scheme)
Modula-2/3 Compilers
ML Compiler
Oberon 2 Compilers
OCCAM Compilers
  • none known

OCAML Compilers
  • OCaml for Windows (uses Cygwin to run but generates Win32 exes that don't require cygwin)

Pascal Compilers
PL/1 Compilers
Prolog Compilers
Oddly enough, there are a ton of compilers for prolog, which is funny since this was originally an interpreted language.
What happened to Lund Simula?

none known.
Catspaw used to provide a Spitbol-386 compiler.

Harbour Project -


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First steps when using Fossil SCM.

Download the executable from

Depending on your programming language and operating systems, you'll want to make sure you ignore certain kinds of file extensions.

You might want to create a configuration file and store it in fossil for use in other fossil setups.  The configuration file goes into the top level directory under a folder called ".fossil-settings".  The filename matches the configuration setting, thus it is called "ignore-glob".

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For Windows, I would ignore these:


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Typing fossil settings binary-…