Update prerequisites for GNAT

	* doc/install.texi: Update prerequisites for GNAT

diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index 54ad7c7..96b4dfc 100644 (file)
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -263,7 +263,7 @@ name of the package depends on your distro) or you must build GCC as a
 @item @anchor{GNAT-prerequisite}GNAT
 
 In order to build GNAT, the Ada compiler, you need a working GNAT
-compiler (GCC version 4.7 or later).
+compiler (GCC version 5.1 or later).
 
 This includes GNAT tools such as @command{gnatmake} and
 @command{gnatlink}, since the Ada front end is written in Ada and