diff -r fbee95d8182b -r 64fe22ca6e6f config/companion_libs/mpfr.in
--- a/config/companion_libs/mpfr.in	Sun Jun 13 19:15:53 2010 +0200
+++ b/config/companion_libs/mpfr.in	Fri Nov 18 11:32:50 2011 +0800
@@ -6,6 +6,11 @@
 # Don't remove next line
 # CT_INSERT_VERSION_BELOW
 
+config MPFR_V_3_0_1
+    bool
+    prompt "3.0.1 (EXPERIMENTAL)"
+    depends on EXPERIMENTAL
+
 config MPFR_V_3_0_0
     bool
     prompt "3.0.0"
@@ -38,6 +43,7 @@
     string
 # Don't remove next line
 # CT_INSERT_VERSION_STRING_BELOW
+    default "3.0.1" if MPFR_V_3_0_1
     default "3.0.0" if MPFR_V_3_0_0
     default "2.4.2" if MPFR_V_2_4_2
     default "2.4.1" if MPFR_V_2_4_1