* harbour/external/sqlite3/Makefile
* set SQLITE_OS_OTHER for all DOS builds
* harbour/config/dos/watcom.cf
* harbour/config/win/watcom.cf
* modified to work with *nix like shells so it can be used in cross build
environment
Now in my Linux box I can create Windows, DOS and OS2 harbour builds
using OpenWatcom 1.8 and native Linux binaries. Final Windows executables
works correctly. DOS one doesn't and it's probably problem with
OpenWatcom Linux linker and DOS DPMI stubs - I'll check it yet.
I cannot tested generated OS2 executable files. If someone has
OS2 and can try to run it then I can send them to him for test.
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