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os2-building.md

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Building C-Kermit for OS/2 from Source

To build C-Kermit for OS/2 you need OpenWatcom version 1.9. The OpenWatcom 2.0 fork may work but has not been tested.

Cross-compiling from Windows

This is the recommended method for building C-Kermit for OS/2.

Build Process

Firstly put the source code somewhere convenient. Where ever you put it, you need to edit setenv.bat in the root of the folder to point to your source code location. Uncomment the line REM set root=C:\src near the top of the file and set the value to where your source code lives, for example set root=C:\dev\ckwin, then save the file.

There are no further dependencies you need to build as OpenSSL (and therefore libssh) does not support OpenWatcom.

Build C-Kermit for OS/2

  1. Open a console and change directory to where the source code is located
  2. OpenWatcom build environment by running owsetenv.bat (in C:\WATCOM by default)
  3. Setup the C-Kermit build environment by running setenv.bat
  4. CD into kermit\k95
  5. run mkos2.bat for a release build or mkos2d.bat for a debug build
  6. run mkdist-os2.bat to collect everything into the dist-os2 subdirectory

This should leave you with a collection of 32-bit OS/2 executables in the dist-os2 subdirectory:

Executable Description
k2.exe C-Kermit for OS/2 executable
cko32i20.dll TCP/IP Library
k2clip.exe PM Clipboard server
textps.exe Convert plain text to PostScript
telnet.exe Telnet stub (launches k2.exe as a telnet client)
rlogin.exe RLogin stub (launches k2.exe as a rlogin client)

Building on OS/2

The recommended method is to cross-compile from Windows as this is the only method that is tested regularly. Doing builds on OS/2 is really only supported for debugging purposes at this time.

The build process on OS/2 is much the same as on Windows, the only real difference is there is no mkdist-os2 script; you've got to collect and rename the build outputs yourself.

Firstly, edit setenv.cmd, uncomment the line REM set root=C:\src near the top of the file and set the value to where your source code lives then save the file. For example, set root=C:\dev\ckwin.

Next, run C:\watcom\owsetenv.cmd followed by the C-Kermit setenv.cmd script. You should end up in \kermit\k95. To build, run either mkos2.cmd for a release build or mkos2d.cmd for a debug build.