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Newsgroups: comp.os.msdos.djgpp
Date: Sat, 9 Mar 2013 23:52:34 -0800 (PST)
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Subject: Mmap() and modify_ldt() in DOS
From: Napoleon80386 <napoleon80386 AT gmail DOT com>
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Hello. In this topic https://groups.google.com/forum/#!topic/comp.os.msdos.djgpp/yjONXRu-eDw
my friend asked you about some help for building Wine on DJGPP.
I am also trying to do this. I have already compiled very old version of Wine (when Bob Amstadt was project leader). It runs, but only can show greeting of command line and check whether executable is NE. If I try to run sample app, SIGSERV stops this with error "Illegal parameter in syscall". I guess that problem is mmap() and modify_ldt(), both are only stubs now. 
I am using EMX - it implements more nesessary POSIX API. In 1990s some users tried to port alpha Wine on OS/2 using EMX (you can look into /documentation/wine_os2). They wrote that it is nesessary to implement mmap() and ldt. I wrote to email in this file, but mail server said that this adress no more exists :(
DJGPP and EMX can live together - I am using bash and make from DJGPP. So, I want to ask you some help to implement these functions.