diff --git a/ChangeLog b/ChangeLog
index a9d99bbd29624a56237e28bcfe3da627a8855170..1a4989f6b883135f18a856ec387c26c96f5513cf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* configure.ac: Update minimum MPC version to 0.8.
+	* configure: Regenerate.
+
 2009-11-21  Sebastian Pop  <sebpop@gmail.com>
 
 	* configure.ac: Check for version 0.15.5 or later revision of CLooG.
diff --git a/configure b/configure
index d65bbe22dcbfccbe3e440d9043442add96ee74f8..d7d7e124e865e206d7a9ce593e50b373805371e1 100755
--- a/configure
+++ b/configure
@@ -5530,7 +5530,7 @@ int
 main ()
 {
 
-    #if MPC_VERSION < MPC_VERSION_NUM (0,7,0)
+    #if MPC_VERSION < MPC_VERSION_NUM (0,8,0)
     choke me
     #endif
 
@@ -5615,6 +5615,7 @@ main ()
     mpc_neg (n, n, MPC_RNDNN);
     mpc_sqr (n, n, MPC_RNDNN);
     mpc_pow (n, n, n, MPC_RNDNN);
+    mpc_acosh (n, n, MPC_RNDNN);
     mpc_clear (n);
 
   ;
diff --git a/configure.ac b/configure.ac
index 2915932534e9dd0fa85d49c54729ed79644a3a52..c9c5f0ab93fc9af801a46b9a84f1517971136bd1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1367,7 +1367,7 @@ if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
     CFLAGS="$CFLAGS $mpcinc"
     AC_MSG_CHECKING([for the correct version of mpc.h])
     AC_TRY_COMPILE([#include <mpc.h>],[
-    #if MPC_VERSION < MPC_VERSION_NUM (0,7,0)
+    #if MPC_VERSION < MPC_VERSION_NUM (0,8,0)
     choke me
     #endif
     ], [AC_MSG_RESULT([yes]); have_mpc=maybe],
@@ -1414,6 +1414,7 @@ if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
     mpc_neg (n, n, MPC_RNDNN);
     mpc_sqr (n, n, MPC_RNDNN);
     mpc_pow (n, n, n, MPC_RNDNN);
+    mpc_acosh (n, n, MPC_RNDNN);
     mpc_clear (n);
     ], [AC_MSG_RESULT([yes]); have_mpc=yes],
        [AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 63a1924c9b63ca1899e8f202abfb7eacd839f3af..351ddd6f1f3fb9447059e202ee25494a2e9b973d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2009-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* doc/install.texi: Update minimum MPC version to 0.8.
+
 2009-09-09  Segher Boessenkool  <segher@kernel.crashing.org>
 
 	* config/rs6000/rs6000.md (fnmaddsf4_powerpc_1): Remove
diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index be7e69f50181ef3cbce3295f38c8ecde7e2f676c..a98c45fd39e4b3e1d7add421753cb0c4df403709 100644
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -344,7 +344,7 @@ not installed in your default library search path.
 
 Necessary to build libgcj, the GCJ runtime.
 
-@item MPC Library version 0.7.0 (or later)
+@item MPC Library version 0.8.0 (or later)
 
 Optional when building GCC@.  Having this library will enable
 additional optimizations on complex numbers.  It can be downloaded