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Re: [Help-gsl] compiling gsl what does -MT -MD -MP -MF mean


From: Peter Johansson
Subject: Re: [Help-gsl] compiling gsl what does -MT -MD -MP -MF mean
Date: Mon, 21 May 2012 09:35:37 +1000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.4) Gecko/20120422 Thunderbird/10.0.4

On 05/21/2012 01:49 AM, luxInteg wrote:
Greetings

When  I compile gsl-1.15 on by  linux box   I have lines like these in the
output:-
/bin/sh ../libtool --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I.. -I..
-O3 -fexceptions -m64 -fPIC -MT init2d.lo -MD -MP -MF

I  want to know what the (M switches) i.e. -MT -MD -MP -MF   mean.  I have
looked at the man pages of  libtool
( http://www.manpagez.com/man/1/libtool/)
and of the gcc,   and a few other places and found  no explanation for the -MT
-MD -MP -MF.


http://gcc.gnu.org/onlinedocs/gcc-4.4.0/gcc/Preprocessor-Options.html


Cheers,
Peter



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