re PR other/54324 (GCC install document does not list minimum required g++ version)

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

gcc/ChangeLog

 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.
+
+2012-12-11  Richard Biener  <rguenther@suse.de>
+
 	PR tree-optimization/55079
 	* tree-vrp.c (extract_range_from_binary_expr_1): Handle MAX/MIN_EXPR
 	for more cases.

gcc/doc/install.texi

@@ -243,13 +243,15 @@ described below.
 
 @heading Tools/packages necessary for building GCC
 @table @asis
-@item ISO C90 compiler
+@item ISO C++98 compiler
 Necessary to bootstrap GCC, although versions of GCC prior
-to 3.4 also allow bootstrapping with a traditional (K&R) C compiler.
+to 4.8 also allow bootstrapping with a ISO C89 compiler and versions
+of GCC prior to 3.4 also allow bootstrapping with a traditional
+(K&R) C compiler.
 
 To build all languages in a cross-compiler or other configuration where
 3-stage bootstrap is not performed, you need to start with an existing
-GCC binary (version 2.95 or later) because source code for language
+GCC binary (version 3.4 or later) because source code for language
 frontends other than C might use GCC extensions.
 
 @item GNAT