EMX (Eberhard Mattes eXtender; also known as emx+gcc) is a programming environment for
MS-DOS
MS-DOS ( ; acronym for Microsoft Disk Operating System, also known as Microsoft DOS) is an operating system for x86-based personal computers mostly developed by Microsoft. Collectively, MS-DOS, its rebranding as IBM PC DOS, and a few op ...
and
OS/2
OS/2 is a Proprietary software, proprietary computer operating system for x86 and PowerPC based personal computers. It was created and initially developed jointly by IBM and Microsoft, under the leadership of IBM software designer Ed Iacobucci, ...
.
[
J. Martin and H. A. Muller, "C to Java migration experiences," Software Maintenance and Reengineering, 2002. Proceedings. Sixth European Conference on, Budapest, 2002, pp. 143-153. doi: 10.1109/CSMR.2002.99579]
online
/ref>32-bit
In computer architecture, 32-bit computing refers to computer systems with a processor, memory, and other major system components that operate on data in a maximum of 32- bit units. Compared to smaller bit widths, 32-bit computers can perform la ...
mode applications, presenting a POSIX
The Portable Operating System Interface (POSIX; ) is a family of standards specified by the IEEE Computer Society for maintaining compatibility between operating systems. POSIX defines application programming interfaces (APIs), along with comm ...
API and, on OS/2
OS/2 is a Proprietary software, proprietary computer operating system for x86 and PowerPC based personal computers. It was created and initially developed jointly by IBM and Microsoft, under the leadership of IBM software designer Ed Iacobucci, ...
, access to the OS/2
OS/2 is a Proprietary software, proprietary computer operating system for x86 and PowerPC based personal computers. It was created and initially developed jointly by IBM and Microsoft, under the leadership of IBM software designer Ed Iacobucci, ...
APIs.
Contents
The EMX package consists of:
* The emx.exe program, a DOS extender
A DOS extender is a computer software program running under DOS that enables software to run in a protected mode environment even though the host operating system is only capable of operating in real mode.
DOS extenders were initially developed ...
, that allows running a 32-bit
In computer architecture, 32-bit computing refers to computer systems with a processor, memory, and other major system components that operate on data in a maximum of 32- bit units. Compared to smaller bit widths, 32-bit computers can perform la ...
mode application in DOS
DOS (, ) is a family of disk-based operating systems for IBM PC compatible computers. The DOS family primarily consists of IBM PC DOS and a rebranded version, Microsoft's MS-DOS, both of which were introduced in 1981. Later compatible syste ...
and emx.dll and helper dlls in single threaded (for DOS compatibility) and multithreaded forms for running under OS/2
OS/2 is a Proprietary software, proprietary computer operating system for x86 and PowerPC based personal computers. It was created and initially developed jointly by IBM and Microsoft, under the leadership of IBM software designer Ed Iacobucci, ...
.
* A C library that provides a POSIX API, for use on both DOS and OS/2.
* Additional libraries for OS/2.
* Ports of the C and C++ compilers of GNU GCC, the GNU binutils
The GNU Binary Utilities, or , is a collection of programming tools maintained by the GNU Project for working with executable code including assembly, linking and many other development operations.
The tools are originally from Cygnus Solut ...
, gdb, GNU make, and other tools for program development.
* Tools for creating OS/2 shared libraries
In computing, a library is a collection of resources that can be leveraged during software development to implement a computer program. Commonly, a library consists of executable code such as compiled functions and classes, or a library can ...
.
History
The latest version is emx 0.9d, released in 1998 and last updated in March 2001.
See also
* Cygwin
Cygwin ( ) is a free and open-source Unix-like environment and command-line interface (CLI) for Microsoft Windows. The project also provides a software repository containing open-source packages. Cygwin allows source code for Unix-like operati ...
* DJGPP
* MinGW
MinGW ("Minimalist GNU for Windows"), formerly mingw32, is a free and open source software development environment to create Microsoft Windows applications.
MinGW includes a port of the GNU Compiler Collection (GCC), GNU Binutils for Windows ...
References
External links
Main emx+gcc download site
* {{Webarchive, url=https://web.archive.org/web/20110724060504/http://hobbes.nmsu.edu/h-browse.php?dir=%2Fpub%2Fos2%2Fdev%2Femx%2F , date=2011-07-24
DOS software
OS/2 software
DOS extenders