From: "John M. Aldrich" <fighteer AT cs DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: how compile with djgpp ?
Date: Sun, 03 May 1998 00:16:43 -0400
Organization: Two pounds of chaos and a pinch of salt.
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Message-ID: <354BEFAB.7613@cs.com>
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To: djgpp AT delorie DOT com
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birot gorka wrote:
> 
> i have emacs but i can't use the toolbar so i don't how to compile my
> program.

I want to assume that you've downloaded and installed the required DJGPP
distribution, either as described in 'readme.1st' or via the Zip Picker
on http://www.delorie.com/djgpp/.  If not, please go back and do so. 
There are instructions for compilation in 'readme.1st', and you can find
a User's Guide online on http://www.delorie.com/djgpp/doc/ug/.  Finally,
the DJGPP Frequently Asked Questions list (v2/faq210b.zip or
http://www.delorie.com/djgpp/v2faq/) is an invaluable resource for
beginning and advanced users alike and we recommend that you read it all
the way through at least once.  Please try to find these resources for
yourself before asking such basic questions.

But since you did ask, and I don't have anything better to do, I'll give
you a brief answer.  DJGPP is built around a command-line compiler named
'gcc'.  This is the main driver that you use to handle just about all
your compilation needs.  The simplest format is:

    gcc program.c

This compiles your program and produces an executable 'a.exe'.  To
specify the output file, use the '-o' parameter as follows:

    gcc -o program.exe program.c

To add warnings, optimization, and full debugging information, use the
'-Wall', '-O', and '-g' switches, respectively:

    gcc -Wall -O -g -o program.exe program.c

To compile C++ programs, you must either link the C++ libraries manually
or substitute 'gpp' for 'gcc':

    gcc -Wall -O -g -o program.exe program.cpp -lstdcxx
    gpp -Wall -O -g -o program.exe program.cpp

For programs that use GNU classes such as String, you must also link
'-lgpp' manually:

    gcc -Wall -O -g -o program.exe program.cpp -lstdcxx -lgpp
    gpp -Wall -O -g -o program.exe program.cpp -lgpp

Note that linking with libgpp.a places your programs under the GNU
Library General Public License, which restricts the ways in which you
can distribute it.

Emacs supports built-in compilation with capture of output (M-x
compile), but you must still provide it with a command line or write a
makefile for Make to use.

For further information, please read the documentation.  It's there to
help you.

-- 
---------------------------------------------------------------------
|      John M. Aldrich       | "Courage is the complement of fear.  |
|       aka Fighteer I       | A man who is fearless cannot be      |
|   mailto:fighteer AT cs DOT com   | courageous.  (He is also a fool.)"   |
| http://www.cs.com/fighteer |                    - Lazarus Long    |
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