diff --git a/gcc-multilib/PKGBUILD b/gcc-multilib/PKGBUILD
index a7eeddf..8d2d0f5 100644
--- a/gcc-multilib/PKGBUILD
+++ b/gcc-multilib/PKGBUILD
@@ -11,27 +11,27 @@
 
 pkgbase='gcc-multilib'
 pkgname=('gcc-multilib' 'gcc-libs-multilib' 'lib32-gcc-libs' 'gcc-fortran-multilib' 'gcc-objc-multilib' 'gcc-ada-multilib' 'gcc-go-multilib')
-pkgver=4.7.0
+pkgver=4.7.2
 pkgrel=1
-_snapshot=4.7-20120414
-_libstdcppmanver=20120307		# Note: check source directory name when updating this
+#_snapshot=4.7-20120721
 pkgdesc="The GNU Compiler Collection for multilib"
 arch=('x86_64')
 license=('GPL' 'LGPL' 'FDL' 'custom')
 url="http://gcc.gnu.org"
-makedepends=('binutils-multilib>=2.22' 'libmpc' 'cloog' 'ppl' 'gcc-ada-multilib'
+makedepends=('binutils-multilib>=2.23' 'libmpc' 'cloog' 'ppl' 'gcc-ada-multilib' 'doxygen'
              'lib32-glibc>=2.15')
 checkdepends=('dejagnu')
 options=('!libtool' '!emptydirs')
-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++-api.${_libstdcppmanver}.man.tar.bz2
+source=(ftp://gcc.gnu.org/pub/gcc/releases/gcc-${pkgver}/gcc-${pkgver}.tar.bz2
+	#ftp://gcc.gnu.org/pub/gcc/snapshots/${_snapshot}/gcc-${_snapshot}.tar.bz2
 	gcc_pure64-multilib.patch
-	gcc-4.7.0-cloog-0.17.patch)
-md5sums=('9f9d082b64753d5908690500251fc52e'
-         '489d2f5311535800a120efd8d18db719'
+        gcc-4.7.1-libada-pic.patch
+        gcc-4.7.1-libgo-write.patch)
+md5sums=('cc308a0891e778cfda7a151ab8a6e762'
          '2be883cd6707c59c519b15517363ef08'
-         '488f11cf9822d110dde4a12add1d6e03')
+         '69f4c4ad538878085042b5c7f206887b'
+         '5647f5bbbb74fab3013b396da1749d2a')
+
 
 if [ -n "${_snapshot}" ]; then
   _basedir="${srcdir}/gcc-${_snapshot}"
@@ -48,12 +48,13 @@ build() {
   # Do not run fixincludes
   sed -i 's@\./fixinc\.sh@-c true@' gcc/Makefile.in
 
-  if [ "${CARCH}" = "x86_64" ]; then
-    patch -p1 -i ${srcdir}/gcc_pure64-multilib.patch
-  fi
+  patch -p1 -i ${srcdir}/gcc_pure64-multilib.patch
 
-  # compatibility with latest cloog
-  patch -p1 -i ${srcdir}/gcc-4.7.0-cloog-0.17.patch
+  # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53679
+  patch -p1 -i ${srcdir}/gcc-4.7.1-libgo-write.patch
+
+  # bug to file...
+  patch -p1 -i ${srcdir}/gcc-4.7.1-libada-pic.patch
 
   echo ${pkgver} > gcc/BASE-VER
 
@@ -63,22 +64,30 @@ build() {
   ${_basedir}/configure --prefix=/usr \
       --libdir=/usr/lib --libexecdir=/usr/lib \
       --mandir=/usr/share/man --infodir=/usr/share/info \
-      --with-bugurl=http://chakra-project.org/bugs/ \
+      --with-bugurl=http://chakra-linux.org/bugs/ \
       --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ \
       --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 \
+      --disable-ppl-version-check --disable-cloog-version-check \
       --enable-lto --enable-gold --enable-ld=default \
       --enable-plugin --with-plugin-ld=ld.gold \
-      --enable-multilib --disable-libssp --disable-libstdcxx-pch \
-      --enable-checking=release
+      --with-linker-hash-style=gnu \
+      --enable-multilib --disable-libssp \
+      --disable-build-with-cxx --disable-build-poststage1-with-cxx 
+      #--enable-checking=release
   make
+
+  # make documentation
+  cd $CHOST/libstdc++-v3
+  make doc-man-doxygen
 }
 
 check() {
-  cd gcc-build
+  cd ${srcdir}/gcc-build
 
   # increase stack size to prevent test failures
   # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31827
@@ -89,30 +98,32 @@ check() {
   ${_basedir}/contrib/test_summary
 }
 
-package_gcc-libs-multilib() {
+package_gcc-libs-multilib()
+{
   pkgdesc="Runtime libraries shipped by GCC for multilib"
   depends=('glibc>=2.15' "lib32-gcc-libs=$pkgver-$pkgrel")
   provides=("gcc-libs=$pkgver-$pkgrel")
   conflicts=('gcc-libs')
   install=gcc-libs.install
 
-  cd gcc-build
+  cd ${srcdir}/gcc-build
   make -j1 -C $CHOST/libgcc DESTDIR=${pkgdir} install-shared
-  for lib in libmudflap libgomp libstdc++-v3/src; do
+  for lib in libmudflap libgomp libstdc++-v3/src libitm; do
     make -j1 -C $CHOST/$lib DESTDIR=${pkgdir} install-toolexeclibLTLIBRARIES
   done
   make -j1 -C $CHOST/libstdc++-v3/po DESTDIR=${pkgdir} install
   make -j1 -C $CHOST/libgomp DESTDIR=${pkgdir} install-info
+  make -j1 -C $CHOST/libitm DESTDIR=${pkgdir} install-info
 
   make -j1 DESTDIR=${pkgdir} install-target-libquadmath  
   make -j1 DESTDIR=${pkgdir} install-target-libgfortran
   make -j1 DESTDIR=${pkgdir} install-target-libobjc
 
   # remove unnecessary files installed by install-target-{libquadmath,libgfortran,libobjc}
-  rm -rf ${pkgdir}/usr/lib/{gcc/,libgfortran.spec}
+  rm -r ${pkgdir}/usr/lib/{gcc/,libgfortran.spec}
 
   # remove stuff in lib32-gcc-libs
-  rm -rf ${pkgdir}/usr/lib32
+  rm -r ${pkgdir}/usr/lib32
 
   # remove static libraries
   find ${pkgdir} -name *.a -delete
@@ -122,13 +133,14 @@ package_gcc-libs-multilib() {
     ${pkgdir}/usr/share/licenses/gcc-libs-multilib/RUNTIME.LIBRARY.EXCEPTION
 }
 
-package_lib32-gcc-libs() {
+package_lib32-gcc-libs()
+{
   pkgdesc="Runtime libraries shipped by GCC (32-bit)"
   depends=('lib32-glibc>=2.15' "gcc-libs>=$pkgver")
 
-  cd gcc-build
+  cd ${srcdir}/gcc-build
   make -j1 -C $CHOST/32/libgcc DESTDIR=${pkgdir} install-shared
-  for lib in libmudflap libgomp libstdc++-v3/src; do
+  for lib in libmudflap libgomp libstdc++-v3/src libitm; do
     make -j1 -C $CHOST/32/$lib DESTDIR=${pkgdir} install-toolexeclibLTLIBRARIES
   done
 
@@ -140,8 +152,8 @@ package_lib32-gcc-libs() {
   rm ${pkgdir}/usr/lib32/libgfortran.spec
 
   # remove stuff in gcc-libs-multilib
-  rm -rf ${pkgdir}/usr/lib
-  rm -rf ${pkgdir}/usr/share/info
+  rm -r ${pkgdir}/usr/lib
+  rm -r ${pkgdir}/usr/share/info
 
   # remove static libraries
   find ${pkgdir} -name *.a -delete
@@ -151,21 +163,22 @@ package_lib32-gcc-libs() {
     ${pkgdir}/usr/share/licenses/lib32-gcc-libs/RUNTIME.LIBRARY.EXCEPTION
 }
 
-package_gcc-multilib() {
+package_gcc-multilib()
+{
   pkgdesc="The GNU Compiler Collection - C and C++ frontends for multilib"
-  depends=("gcc-libs-multilib=$pkgver-$pkgrel" 'binutils-multilib>=2.21.1' 'libmpc' 'cloog' 'ppl')
+  depends=("gcc-libs-multilib=$pkgver-$pkgrel" 'binutils-multilib>=2.23' 'libmpc' 'cloog' 'ppl')
   groups=('multilib-devel')
   provides=("gcc=$pkgver-$pkgrel")
   conflicts=('gcc')
   install=gcc.install
 
-  cd gcc-build
-
+  cd ${srcdir}/gcc-build
+  
   make -j1 DESTDIR=${pkgdir} install
 
-  install -d $pkgdir/usr/share/gdb/auto-load
-  mv $pkgdir/usr/{lib/libstdc++.so.6.0.17-gdb.py,share/gdb/auto-load}
-  
+  install -d $pkgdir/usr/share/gdb/auto-load/usr/lib
+  mv $pkgdir{,/usr/share/gdb/auto-load}/usr/lib/libstdc++.so.6.0.17-gdb.py
+
   # unfortunately it is much, much easier to install the lot and clean-up the mess...
   rm $pkgdir/usr/bin/{{$CHOST-,}gfortran,{$CHOST-,}gccgo,gnat*}
   rm $pkgdir/usr/lib{,32}/*.so*
@@ -180,15 +193,9 @@ package_gcc-multilib() {
   rm $pkgdir/usr/share/locale/{de,fr}/LC_MESSAGES/libstdc++.mo
   rm $pkgdir/usr/share/man/man1/{gccgo,gfortran}.1
   rm $pkgdir/usr/share/man/man3/ffi*
-  # many packages require these symlinks
-  install -dm755 ${pkgdir}/lib
-  ln -sf /usr/bin/cpp ${pkgdir}/lib/cpp
-  ln -sf gcc ${pkgdir}/usr/bin/cc
-  ln -sf g++ ${pkgdir}/usr/bin/c++
 
-  # install gengtype for plugin support
-  install -m755 gcc/build/gengtype $pkgdir/usr/lib/gcc/$CHOST/${pkgver}/
-  install -m644 gcc/gtype.state $pkgdir/usr/lib/gcc/$CHOST/${pkgver}/
+  # many packages expect this symlinks
+  ln -s gcc ${pkgdir}/usr/bin/cc
 
   # POSIX conformance launcher scripts for c89 and c99
   cat > $pkgdir/usr/bin/c89 <<"EOF"
@@ -221,21 +228,23 @@ EOF
 
   # install the libstdc++ man pages
   install -dm755 ${pkgdir}/usr/share/man/man3
-  install -m644 ${srcdir}/man/man3/* ${pkgdir}/usr/share/man/man3/
+  install -m644 -t ${pkgdir}/usr/share/man/man3 \
+    ${CHOST}/libstdc++-v3/doc/doxygen/man/man3/*.3
 
   # Install Runtime Library Exception
   install -Dm644 ${_basedir}/COPYING.RUNTIME \
     ${pkgdir}/usr/share/licenses/gcc-multilib/RUNTIME.LIBRARY.EXCEPTION
 }
 
-package_gcc-fortran-multilib() {
+package_gcc-fortran-multilib()
+{
   pkgdesc="Fortran front-end for GCC for multilib"
   depends=("gcc-multilib=$pkgver-$pkgrel")
   provides=("gcc-fortran=$pkgver-$pkgrel")
   conflicts=('gcc-fortran')
   install=gcc-fortran.install
 
-  cd gcc-build
+  cd ${srcdir}/gcc-build
   make -j1 DESTDIR=${pkgdir} install-target-libquadmath
   make -j1 DESTDIR=$pkgdir install-target-libgfortran
   make -j1 -C $CHOST/libgomp DESTDIR=$pkgdir install-nodist_fincludeHEADERS
@@ -245,19 +254,22 @@ package_gcc-fortran-multilib() {
   # remove libraries included in gcc-libs
   rm ${pkgdir}/usr/lib{,32}/lib{gfortran,quadmath}.so*
   rm ${pkgdir}/usr/share/info/libquadmath.info
-  
+
+  ln -s gfortran ${pkgdir}/usr/bin/f95
+
   # Install Runtime Library Exception
   install -Dm644 ${_basedir}/COPYING.RUNTIME \
     ${pkgdir}/usr/share/licenses/gcc-fortran-multilib/RUNTIME.LIBRARY.EXCEPTION
 }
 
-package_gcc-objc-multilib() {
+package_gcc-objc-multilib()
+{
   pkgdesc="Objective-C front-end for GCC for multilib"
   depends=("gcc-multilib=$pkgver-$pkgrel")
   provides=("gcc-objc=$pkgver-$pkgrel")
   conflicts=('gcc-objc')
 
-  cd gcc-build
+  cd ${srcdir}/gcc-build
   make -j1 DESTDIR=$pkgdir install-target-libobjc
   install -dm755 $pkgdir/usr/lib/gcc/$CHOST/$pkgver/
   install -m755 gcc/cc1obj{,plus} $pkgdir/usr/lib/gcc/$CHOST/$pkgver/
@@ -270,14 +282,15 @@ package_gcc-objc-multilib() {
     ${pkgdir}/usr/share/licenses/gcc-objc-multilib/RUNTIME.LIBRARY.EXCEPTION
 }
 
-package_gcc-ada-multilib() {
+package_gcc-ada-multilib()
+{
   pkgdesc="Ada front-end for GCC (GNAT) for multilib"
   depends=("gcc-multilib=$pkgver-$pkgrel")
   provides=("gcc-ada=$pkgver-$pkgrel")
   conflicts=('gcc-ada')
   install=gcc-ada.install
 
-  cd gcc-build/gcc
+  cd ${srcdir}/gcc-build/gcc
   make -j1 DESTDIR=$pkgdir ada.install-{common,info}
   install -m755 gnat1 $pkgdir/usr/lib/gcc/$CHOST/$pkgver
 
@@ -285,19 +298,22 @@ package_gcc-ada-multilib() {
   make -j1 DESTDIR=${pkgdir} INSTALL="install" \
     INSTALL_DATA="install -m644" install-gnatlib
 
+  ln -s gcc ${pkgdir}/usr/bin/gnatgcc
+
   # Install Runtime Library Exception
   install -Dm644 ${_basedir}/COPYING.RUNTIME \
     ${pkgdir}/usr/share/licenses/gcc-ada-multilib/RUNTIME.LIBRARY.EXCEPTION
 }
 
-package_gcc-go-multilib() {
+package_gcc-go-multilib()
+{
   pkgdesc="Go front-end for GCC for multilib"
   depends=("gcc-multilib=$pkgver-$pkgrel")
   provides=("gcc-go=$pkgver-$pkgrel")
   conflicts=('gcc-go')
   install=gcc-go.install
 
-  cd gcc-build
+  cd ${srcdir}/gcc-build
   make -j1 DESTDIR=$pkgdir install-target-libgo
   make -j1 -C gcc DESTDIR=$pkgdir go.install-{common,man,info}
   install -Dm755 gcc/go1 $pkgdir/usr/lib/gcc/$CHOST/$pkgver/go1
diff --git a/gcc-multilib/gcc-4.7.0-cloog-0.17.patch b/gcc-multilib/gcc-4.7.0-cloog-0.17.patch
deleted file mode 100644
index 4b851aa..0000000
--- a/gcc-multilib/gcc-4.7.0-cloog-0.17.patch
+++ /dev/null
@@ -1,24 +0,0 @@
-diff -Naur gcc-4.6-20120120-orig/configure gcc-4.6-20120120/configure
---- gcc-4.6-20120120-orig/configure	2011-12-18 20:03:44.000000000 +1000
-+++ gcc-4.6-20120120/configure	2012-02-03 17:55:14.885990135 +1000
-@@ -6049,8 +6049,8 @@
-     LDFLAGS="${_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
-   ;