Message-ID: <35C006AD.EB62F036@mailexcite.com>
Date: Thu, 30 Jul 1998 01:37:50 -0400
From: Doug Gale <dgale AT mailexcite DOT com>
MIME-Version: 1.0
Newsgroups: comp.os.msdos.djgpp
Subject: Re: rsxntdj instalation
References: <000801bdbaa3$5edcb4c0$1a1f1bc4 AT enterprise-z>
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Jorge Iván Meza Martínez wrote:

> I am trying to install "RSXNTDJ 1.3.1", I have the DJGPP 2.8.1 and works
> fine.
>
> i am trying to compile a test program:
>
> #include <windows.h>   // Windows.h einlesen
> int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,LPSTR
> lpCmdLine, int nCmdShow)
> {
> MessageBox (NULL, "Hello Win32", "First App", MB_OK);
> return 0;
> }
>
> with gcc -Zwin32 test.c -o test.exe
>
> i think that the compiler stage is well because I get a test.o file, but
> linker fails:
> "d:/djgpp/bin/ld.exe: cannot open -lc_app:  No such file or directory
>  ENOENT )"

[snip]

I had the same problem, but recognized that the problem was due to the fact that
there are two sets of libraries: one for single-threaded apps, and one for
multi-threaded apps. These two sets of libraries are stored in the lib/st and
lib/mt directories in the rsxntdj directory. I solved this problem by making a
small modification to the specs file.

To make this fix:
1. open up your specs file (your wonderfully detailed message tells me it is at
d:\djgpp\contrib\RSXNTDJ/lib/specs)
2. Find the *link section.
3. Append this text to the line:  %{Zmt: -Ld:\djgpp\contrib\RSXNTDJ/lib/mt}
%{!Zmt: -Ld:\djgpp\contrib\RSXNTDJ/lib/st}

This effectively adds a new gcc option. If you add the command line option
"-Zmt" it will search the multi-threaded library directories. If you don't add
the option, it will search the single-thread library directory. This will fix
the compile error you are getting.