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Full Discussion: Building a Compiler
Top Forums UNIX for Beginners Questions & Answers Building a Compiler Post 302973014 by kopfgeldjagar1 on Thursday 12th of May 2016 07:44:45 PM
Old 05-12-2016
Building a Compiler
In an earlier thread, I mentioned that I needed something like Netcat or Socat to create a serial > IP connection. I realized after some thought that I had downloaded the netcat tarball, unpacked it and ended up with the uncompiled program. I attempted to put it together with cc and discovered that i have no compiler application on my production box. Google mentioned GCC, which I found the correct RPM's (including dependencies) for, and I was able to install most of then until I realized that I have a quandry:

Code:
[root@dev21 /home/dev/gcc] rpm -Uvh gcc-4.6.3-2.aix5.2.ppc.rpm
error: failed dependencies:gcc-cpp = 4.6.3-2 is needed by gcc-4.6.3-2

[root@dev21 /home/dev/gcc] rpm -Uvh gcc-cpp-4.6.3-2.aix5.2.ppc.rpm
error: failed dependencies: gcc = 4.6.3-2 is needed by gcc-cpp-4.6.3-2

A needs B needs A

Please explain this to me. Can i use the --nodeps flag?

I'm at a loss at this point. Any help would be appreciated.
Last edited by Scrutinizer; 05-13-2016 at 01:45 AM.. Reason: code tags
 

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LEARN ABOUT DEBIAN

ligcc

LIGCC(1)							 Listaller Project							  LIGCC(1)

NAME

       ligcc - Wrapper around gcc to create more portable apps

SYNOPSIS

       ligcc [OPTION ...]

DESCRIPTION

       This manual page documents briefly the ligcc command.

       ligcc is a wrapper around gcc. It allows you to create more portable executables by doing three things:

       o   Forces the linker to link against older glibc symbols. Users who are using an older version of glibc will no longer get "undefined
	   symbol GLIBC_2.4 in /lib/libc.so"-style error messages.

       o   Allows you to easily statically link to any other library.

       o   Automatically removes bogus dependancies. For example, your program uses libfoo. libfoo uses libpng internally, but your app does not.
	   Yet the pkg-config file for libfoo specifies "-lfoo -lpng" is linker parameters. And tadaa - you now have a bogus dependancy on libpng!
	   LiGCC automatically removes the -lpng for you if your app doesn't use libpng directly.

       o   Add $ORIGIN/../lib to the binary's library search path. $ORIGIN is the directory in which the binary exists. This ensures that your
	   binary can find library dependencies which are placed in the 'lib' folder under the same prefix. You might want to install custom
	   libraries into /lib. If you set $APBUILD_PROJECTNAME, ligcc will also add $ORIGIN/../lib/$APBUILD_PROJECTNAME to the library search
	   path.

OPTIONS

       See the manpage of gcc(1) for more information about possible options.

       There are also several environment variables available to modify ligcc's behavior check the documentation for more information.

SEE ALSO

       lig++ (1), gcc(1).

       Additional documentation can be found on http://listaller.tenstral.net.

AUTHOR

       This manual page was written by Matthias Klumpp matthias@tenstral.net.

COPYRIGHT

       Copyright (C) 2009-2012 Matthias Klumpp

Listaller Project						   20 April,2012							  LIGCC(1)
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