configure.in: Robustify error message for missing GMP/MPFR.

	* configure.in: Robustify error message for missing GMP/MPFR.

	* configure: Regenerate.

From-SVN: r118568

ChangeLog

+2006-11-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* configure.in: Robustify error message for missing GMP/MPFR.
+
+	* configure: Regenerate.
+
 2006-10-31  Stephen M. Webb <stephen.webb@bregmasoft.com>
 
 	* MAINTAINERS (Write After Approval): Add myself.

configure.in

@@ -1118,7 +1118,11 @@ fi
 CFLAGS="$saved_CFLAGS"
 
 if test x$have_gmp != xyes; then
-  AC_MSG_ERROR([Building GCC requires GMP 4.1+ and MPFR 2.2+.  Try the --with-gmp and/or --with-mpfr options.])
+  AC_MSG_ERROR([Building GCC requires GMP 4.1+ and MPFR 2.2+.
+Try the --with-gmp and/or --with-mpfr options to specify their locations.
+Copies of these libraries' source code can be found at their respective
+hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
+See also http://gcc.gnu.org/install/prerequisites.html for additional info.])
 fi
 
 # Flags needed for both GMP and/or MPFR