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Re: gcc 3.3 cmath undefined errors

From: Eljay Love-Jensen <eljay at adobe dot com>
To: Wesley Smith <wesley dot hoke at gmail dot com>, gcc-help at gcc dot gnu dot org
Date: Wed, 18 May 2005 18:55:28 -0500
Subject: Re: gcc 3.3 cmath undefined errors
References: <1079b0505051813393c0813fc@mail.gmail.com><6.2.1.2.2.20050518183740.021a2348@iplan-mn.corp.adobe.com><1079b050505181645762eb6a5@mail.gmail.com>

Hi Wes,

>I have a question though about gcc -x c++/g++.  Are these the same thing?  What's the difference?

They are not the same thing.

gcc executes the C toolchain, and puts in C flags, C defines and C libraries.

g++ executes the C++ toolchain, and puts in C++ flags, C++ defines, and C++ libraries.

What all the little fiddly bits are I'm not 100% sure.  Use the -v flag (verbose) to see what they produce for you on your system.

Careful use of gcc can make it behave identical to g++.  But why bother?  :-)

HTH,
--Eljay

Follow-Ups:
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  - From: Wesley Smith

References:
- gcc 3.3 cmath undefined errors
  - From: Wesley Smith
- Re: gcc 3.3 cmath undefined errors
  - From: Eljay Love-Jensen
- Re: gcc 3.3 cmath undefined errors
  - From: Wesley Smith

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