re PR bootstrap/30589 (C99 extern inline patch broke bootstrap on i386-pc-mingw32)

	PR bootstrap/30589
	* doc/install.texi: Document that for MinGW only runtime 3.12 and
	later is supported.

From-SVN: r130794

gcc/ChangeLog

+2007-12-12  Jakub Jelinek  <jakub@redhat.com>
+
+	PR bootstrap/30589
+	* doc/install.texi: Document that for MinGW only runtime 3.12 and
+	later is supported.
+
 2007-12-12  David Edelsohn  <edelsohn@gnu.org>
 
 	* config/rs6000/rs6000.c (is_mem_ref): Ignore STACK_TIE.

gcc/doc/install.texi

@@ -4280,6 +4280,10 @@ Ports of GCC are included with the
 GCC will build under Cygwin without modification; it does not build
 with Microsoft's C++ compiler and there are no plans to make it do so.
 
+For MinGW, GCC will build with and support only MinGW runtime 3.12 and later.
+Earlier versions of headers are incompatible with the new default semantics
+of @code{extern inline} in @code{-std=c99} and @code{-std=gnu99} modes.
+
 @html
 <hr />
 @end html