diff --git a/core/gcc/PKGBUILD b/core/gcc/PKGBUILD
index ee7139731..1f844fa8f 100644
--- a/core/gcc/PKGBUILD
+++ b/core/gcc/PKGBUILD
@@ -15,8 +15,8 @@ noautobuild=1
 
 pkgname=('gcc' 'gcc-libs' 'gcc-fortran' 'gcc-objc')
 pkgver=4.6.2
-pkgrel=5
-_snapshot=4.6-20111223
+pkgrel=7
+_snapshot=4.6-20120120
 _libstdcppmanver=20111215		# Note: check source directory name when updating this
 pkgdesc="The GNU Compiler Collection"
 arch=('i686' 'x86_64')
@@ -29,7 +29,8 @@ source=(#ftp://gcc.gnu.org/pub/gcc/releases/gcc-${pkgver}/gcc-${pkgver}.tar.bz2
         ftp://gcc.gnu.org/pub/gcc/snapshots/${_snapshot}/gcc-${_snapshot}.tar.bz2
         ftp://gcc.gnu.org/pub/gcc/libstdc++/doxygen/libstdc++-man.${_libstdcppmanver}.tar.bz2
         gcc_pure64.patch
-        gcc-hash-style-both.patch)
+        gcc-hash-style-both.patch
+        gcc-4.6.2-cloog-0.17.patch)
 md5sums=('4755b9f6ac0abecbaa2097ed9738406a'
          '450772ce32daed97d7383199f8797f33'
          '4030ee1c08dd1e843c0225b772360e76'
@@ -55,6 +56,9 @@ build() {
   fi
   patch -Np0 -i ${srcdir}/gcc-hash-style-both.patch
 
+  # compatibility with latest cloog
+  patch -Np1 -i ${srcdir}/gcc-4.6.2-cloog-0.17.patch
+
   echo ${pkgver} > gcc/BASE-VER
 
   # ALARM: Specify build host types
@@ -72,11 +76,12 @@ build() {
       --enable-shared --enable-threads=posix \
       --with-system-zlib --enable-__cxa_atexit \
       --disable-libunwind-exceptions --enable-clocale=gnu \
+      --disable-libstdcxx-pch --enable-libstdcxx-time \
       --enable-gnu-unique-object --enable-linker-build-id \
       --with-ppl --enable-cloog-backend=isl \
       --enable-lto --enable-gold --enable-ld=default \
       --enable-plugin --with-plugin-ld=ld.gold \
-      --disable-multilib --disable-libssp --disable-libstdcxx-pch \
+      --disable-multilib --disable-libssp \
       --enable-checking=release $CONFIGFLAG
   make
 }
@@ -156,6 +161,11 @@ package_gcc()
   install -m755 gcc/build/gengtype $pkgdir/usr/lib/gcc/$CHOST/${pkgver}/
   install -m644 gcc/gtype.state $pkgdir/usr/lib/gcc/$CHOST/${pkgver}/
 
+  # plugin headers are all over the place at the moment...
+  for i in common objc pragma pretty-print; do
+    ln -sf ../c-$i.h $pkgdir/usr/lib/gcc/$CHOST/${pkgver}/plugin/include/c-family/c-$i.h
+  done
+
   # POSIX conformance launcher scripts for c89 and c99
   cat > $pkgdir/usr/bin/c89 <<"EOF"
 #!/bin/sh
@@ -233,3 +243,8 @@ package_gcc-objc()
   install -Dm644 ${_basedir}/COPYING.RUNTIME \
     ${pkgdir}/usr/share/licenses/gcc-objc/RUNTIME.LIBRARY.EXCEPTION
 }
+md5sums=('f7ca5d9f7a07216577f81318b7cf56ef'
+         '450772ce32daed97d7383199f8797f33'
+         '4030ee1c08dd1e843c0225b772360e76'
+         '4df25b623799b148a0703eaeec8fdf3f'
+         '68b596040715d889deecfb20cabf115e')
diff --git a/core/gcc/gcc-4.6.2-cloog-0.17.patch b/core/gcc/gcc-4.6.2-cloog-0.17.patch
new file mode 100644
index 000000000..67a66cba0
--- /dev/null
+++ b/core/gcc/gcc-4.6.2-cloog-0.17.patch
@@ -0,0 +1,36 @@
+diff -Naur gcc-4.6-20120120-orig/configure gcc-4.6-20120120/configure
+--- gcc-4.6-20120120-orig/configure	2011-12-18 20:03:44.000000000 +1000
++++ gcc-4.6-20120120/configure	2012-02-03 17:55:14.885990135 +1000
+@@ -6049,8 +6049,8 @@
+     LDFLAGS="${_cloog_saved_LDFLAGS} ${clooglibs} ${ppllibs}"
+
+     if test "${cloog_org}" = yes ; then
+-      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.16.1 of CLooG" >&5
+-$as_echo_n "checking for version 0.16.1 of CLooG... " >&6; }
++      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for version 0.17 of CLooG" >&5
++$as_echo_n "checking for version 0.17 of CLooG... " >&6; }
+ if test "${gcc_cv_cloog_ct_0_14_0+set}" = set; then :
+   $as_echo_n "(cached) " >&6
+ else
+@@ -6061,8 +6061,7 @@
+ main ()
+ {
+ #if CLOOG_VERSION_MAJOR != 0 \
+-    || CLOOG_VERSION_MINOR != 16 \
+-    || CLOOG_VERSION_REVISION < 1
++    || CLOOG_VERSION_MINOR != 17
+     choke me
+    #endif
+   ;
+diff -Naur gcc-4.6-20120120-orig/gcc/graphite-clast-to-gimple.c gcc-4.6-20120120/gcc/graphite-clast-to-gimple.c
+--- gcc-4.6-20120120-orig/gcc/graphite-clast-to-gimple.c	2011-03-13 08:05:38.000000000 +1000
++++ gcc-4.6-20120120/gcc/graphite-clast-to-gimple.c	2012-02-03 17:51:47.943463879 +1000
+@@ -1367,7 +1367,7 @@
+   /* Change cloog output language to C.  If we do use FORTRAN instead, cloog
+      will stop e.g. with "ERROR: unbounded loops not allowed in FORTRAN.", if
+      we pass an incomplete program to cloog.  */
+-  options->language = LANGUAGE_C;
++  options->language = CLOOG_LANGUAGE_C;
+
+   /* Enable complex equality spreading: removes dummy statements
+      (assignments) in the generated code which repeats the