How to find out if a given gcc is a cross compiler?

[Nathan Kidd]

Toralf Lund wrote:
> I'm looking a nice and simple way to find out if a given gcc command 
> actually specifies a cross compiler, or if I'm cross compiling when 
> using it, if you like. Does anyone know a simple way to find out? I 
> suppose I can compare the target type as output from -dumpmachine with 
> the current host type, but is there a single, reliable way of finding 
> that, and getting the value in the same format as the target? Or should 
> that be "build" machine instead of "host"? I never seem to learn which 
> is which, but the point remains: I'm not sure I know a good way to find it.

Try: gcc -dumpspecs | grep -A 1 cross_compile

-Nathan


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