[15/28] Expect at least the version 0.11 of PPL.

diff --git a/ChangeLog b/ChangeLog
index 4ef084f..78c47c6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@ 
+2011-01-21  Sebastian Pop  <sebastian.pop@amd.com>
+
+	* configure: Regenerated.
+	* configure.ac: Check for version 0.11 (or later revision) of PPL.
+
 2011-01-21  Tobias Grosser  <grosser@fim.uni-passau.de>
 
 	* configure: Regenerated.
diff --git a/configure b/configure
index ca3d534..257888b 100755
--- a/configure
+++ b/configure
@@ -5716,8 +5716,8 @@  fi
 if test "x$with_ppl" != "xno" -a "${ENABLE_PPL_CHECK}" = "yes"; then
   saved_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS $pplinc $gmpinc"
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.10 (or later revision) of PPL" >&5
-$as_echo_n "checking for version 0.10 (or later revision) of PPL... " >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.11 (or later revision) of PPL" >&5
+$as_echo_n "checking for version 0.11 (or later revision) of PPL... " >&6; }
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include "ppl_c.h"
@@ -5725,7 +5725,7 @@  int
 main ()
 {
 
-  #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 10
+  #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
   choke me
   #endif
 
diff --git a/configure.ac b/configure.ac
index bbb82c3..a497efe 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1668,9 +1668,9 @@  ENABLE_PPL_CHECK=yes)
 if test "x$with_ppl" != "xno" -a "${ENABLE_PPL_CHECK}" = "yes"; then
   saved_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS $pplinc $gmpinc"
-  AC_MSG_CHECKING([for version 0.10 (or later revision) of PPL])
+  AC_MSG_CHECKING([for version 0.11 (or later revision) of PPL])
   AC_TRY_COMPILE([#include "ppl_c.h"],[
-  #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 10
+  #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
   choke me
   #endif
   ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
diff --git a/gcc/ChangeLog.graphite b/gcc/ChangeLog.graphite
index 93c4c4e..62b5999 100644
--- a/gcc/ChangeLog.graphite
+++ b/gcc/ChangeLog.graphite
@@ -1,5 +1,11 @@ 
 2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
 
+	* doc/install.texi: Update the expected version number of PPL to 0.11.
+	* graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
+	#if PPL_VERSION_MINOR < 11.
+
+2011-01-15  Sebastian Pop  <sebastian.pop@amd.com>
+
 	* graphite-dependences.c (new_poly_ddr): Inlined into
 	dependence_polyhedron.
 	(free_poly_ddr): Moved close by new_poly_ddr.
diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index 7d0fa88..68c5941 100644
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -332,7 +332,7 @@  and @option{--with-mpc-include}.  Alternatively, if an MPC source
 distribution is found in a subdirectory of your GCC sources named
 @file{mpc}, it will be built together with GCC@.
 
-@item Parma Polyhedra Library (PPL) version 0.10
+@item Parma Polyhedra Library (PPL) version 0.11
 
 Necessary to build GCC with the Graphite loop optimizations.
 It can be downloaded from @uref{http://www.cs.unipr.it/ppl/Download/}.
diff --git a/gcc/graphite-ppl.c b/gcc/graphite-ppl.c
index d879d78..1a08362 100644
--- a/gcc/graphite-ppl.c
+++ b/gcc/graphite-ppl.c
@@ -525,15 +525,6 @@  bool
 ppl_powerset_is_empty (ppl_Pointset_Powerset_C_Polyhedron_t ps,
 		       int nb_params ATTRIBUTE_UNUSED)
 {
-#if PPL_VERSION_MAJOR == 0 && PPL_VERSION_MINOR < 11
-  /* On PPL 0.10,
-     ppl_Pointset_Powerset_C_Polyhedron_contains_integer_point (ps)
-     takes too long on some cases and so we call _is_empty instead.  */
-  return ppl_Pointset_Powerset_C_Polyhedron_is_empty (ps);
-
-#else
-  /* On PPL 0.11 or later, we can check for integer feasibility using
-     the PIP solver.  */
   ppl_PIP_Problem_t pip;
   ppl_dimension_type d;
   ppl_const_Constraint_System_t pcs;
@@ -585,7 +576,6 @@  ppl_powerset_is_empty (ppl_Pointset_Powerset_C_Polyhedron_t ps,
     free (ds);
 
   return !has_integer_solutions;
-#endif
 }
 
 #endif