2012-12-11  Richard Biener  <rguenther@suse.de>

	PR other/54324
	* doc/install.texi (Tools/packages necessary for building GCC):
	State ISO C++98 host compiler requirement.  Increment minimum
	GCC version required for building all languages for a cross-compiler
	to 3.4 or later.

From-SVN: r194389