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Optimization in gcc


	I am stuck with an odd sort of problem and I was wondering if I could get some help. I need to be able to switch on optimizations without using either a makefile or using command line arguments. Is this possible, at all? the problem can be viewed as this. If I ship a file x1.cpp to a user and all he needs to type is
	make x1
make will automatically compile it. Now I want the compiled code to use as many optimizations as it can on the target machine. This is of course the equivalent of doing a
	g++ -O2 x1.cpp -o x1
or something similar. 

	If this is possible, my guess is that somewhere in the preprocessor / pragma implementation should have this.

	All the searching that I've done is of no avail. Help!

   Madhu M Kurup /* Nemo Me Impune Lacessit */ madhu@xxxxxxxxxxx