diff --git a/gcc-5.2.0-libjava-disable-multilib.patch b/gcc-5.2.0-libjava-disable-multilib.patch
new file mode 100644
index 0000000..a050e35
--- /dev/null
+++ b/gcc-5.2.0-libjava-disable-multilib.patch
@@ -0,0 +1,11 @@
+--- gcc-5.2.0/Makefile.in.orig	2015-08-16 18:06:23.099725324 +0200
++++ gcc-5.2.0/Makefile.in	2015-08-16 18:06:33.553684921 +0200
+@@ -43118,7 +43118,7 @@
+ 	  $$s/$$module_srcdir/configure \
+ 	  --srcdir=$${topdir}/$$module_srcdir \
+ 	  $(TARGET_CONFIGARGS) --build=${build_alias} --host=${target_alias} \
+-	  --target=${target_alias} $(EXTRA_CONFIGARGS_LIBJAVA) \
++	  --target=${target_alias} $(EXTRA_CONFIGARGS_LIBJAVA) --disable-multilib \
+ 	  || exit 1
+ @endif target-libjava
+ 
diff --git a/gcc.spec b/gcc.spec
index 703dd30..66c2b82 100644
--- a/gcc.spec
+++ b/gcc.spec
@@ -27,6 +27,7 @@
    %define disable_cpp 1
    %define disable_doc 1
    %define disable_java 1
+   %define disable_go 1
 %endif
 
 #% if "%{?stage2}" == "1"
@@ -37,10 +38,11 @@
 %define libgcj_name           libgcj4
 %define java_home             %{_jvmdir}/java-1.5.0-gcj-1.5.0.0/jre
 
+%define MAJver %(echo %version | cut -d. -f 1)
 %define majver %(echo %version | cut -d. -f 1-2)
 
 Name:          gcc
-Version:       4.9.2
+Version:       5.2.0
 Release:       2mamba
 Summary:       GNU Compiler Collection (C, C++, Fortran, Java, Ada)
 Group:         Applications/Development
@@ -66,7 +68,8 @@ Patch12:       %{name}-4.5.2-arm_define_ARM_PCS_and_ARM_PCS_VFP.patch
 Patch13:       %{name}-4.5.3-avr-new-devices.patch
 Patch14:       gcc-4.8.0-libffi-texinfo.patch
 Patch15:       gcc-4.9.0-upstream-fixes-1.patch
-Patch16:        gcc-4.9.2-arm-lra-bootstrap.patch
+Patch16:       gcc-4.9.2-arm-lra-bootstrap.patch
+Patch17:       gcc-5.2.0-libjava-disable-multilib.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 ## AUTOBUILDREQ-END
@@ -116,6 +119,7 @@ BuildRequires: antlr
 %endif
 BuildRequires: libcairo-devel >= 1.4.10
 BuildRequires: libxcb-util-devel >= 0.2
+BuildRequires: libisl-devel = 0.14
 #% endif
 #% else
 # BuildRequires: cross-%{target_cpu}-glibc%{?glibc_require_append} >= 2.5
@@ -211,6 +215,21 @@ Requires:      %{libstdcxx_name} = %{version}-%{release}
 This is the GNU implementation of the standard C++ libraries.
 This package includes the files used by gdb for debugging.
 
+%package -n libcc1
+Summary:       GNU cc1 plugin for GDB
+Group:         System/Libraries
+
+%description -n libcc1
+GCC cc1 plugin for GDB.
+
+%package -n libcc1-devel
+Summary:       GNU cc1 plugin for GDB development files
+Group:         Development/Libraries
+Requires:      libcc1 = %{version}-%{release}
+
+%description -n libcc1-devel
+GCC cc1 plugin for GDB development files.
+
 #
 # Java Compiler
 #
@@ -260,6 +279,33 @@ Obsoletes:     gcc-g77, gcc-gfortran
 %description fortran
 This package adds support for compiling Fortran 95 programs with the GNU compiler.
 
+#
+# Go compiler
+#
+%package go
+Summary:       The GNU compiler for the Go programming language
+Group:         System/Libraries
+Requires:      libgo = %{version}-%{release}
+Requires:      libgo-devel = %{version}-%{release}
+
+%description go
+The GNU compiler for the Go programming language.
+
+%package -n libgo
+Summary:       Library for the Go programmi language
+Group:         System/Libraries
+
+%description -n libgo
+Library for the Go programmi language.
+
+%package -n libgo-devel
+Summary:        Development headers and static library for libgo
+Group:          Development/Libraries
+Requires:       libgo = %{version}-%{release}
+
+%description -n libgo-devel
+Development files for the library for the Go programmi language.
+
 #
 # Fortran 95 Libraries
 #
@@ -500,7 +546,8 @@ sed -i -e 's/libjawt/libgcjawt/g' libjava/Makefile.{am,in}
 #%patch13 -p1
 #%patch14 -p1
 #%patch15 -p1
-%patch16 -p1
+#%patch16 -p1
+%patch17 -p1
 
 %build
 #:<< ____EOF
@@ -510,7 +557,7 @@ mkdir -p ../%{name}-build &&
 
 cd ../%{name}-build
 
-slibdir=/%{_lib}
+slibdir=%{_libdir}
 
 # BUILD_LANGUAGES is only used in final (not staged) build
 BUILD_LANGUAGES=c,objc,lto
@@ -529,6 +576,9 @@ BUILD_LANGUAGES="${BUILD_LANGUAGES},fortran"
 # Java depends on gdk
 BUILD_LANGUAGES="${BUILD_LANGUAGES},java"
 %endif
+%if "%{disable_go}" != "1"
+BUILD_LANGUAGES="${BUILD_LANGUAGES},go"
+%endif
 
 case %{_target_platform} in
    i386-*|i486-*|i586-*|i686-*|athlon-*)
@@ -553,9 +603,9 @@ case %{_target_platform} in
       ;;
    x86_64-*)
        %if "%{_target_platform}" != "%{_host}"
-          ADDITIONAL_OPTS="--with-slibdir=/usr/%{_target_platform}/lib64 --disable-multilib"
+          ADDITIONAL_OPTS="--disable-libjava-multilib --with-slibdir=/usr/%{_target_platform}/lib64 --disable-multilib"
        %else
-          ADDITIONAL_OPTS="--with-slibdir=/lib64"
+          ADDITIONAL_OPTS="--with-slibdir=$slibdir"
        %endif
        ;;
    *)
@@ -612,9 +662,11 @@ CROSS_SYSTEM_HEADER_DIR=/usr/%{_target_platform}/include \
    --enable-clocale=gnu \
    --x-includes=%{_includedir} \
    --x-libraries=%{_libdir} \
+%if "%{disable_java}" != "1"
    --enable-java-awt=gtk \
    --with-java-home=%{java_home} \
    --enable-libgcj-multifile \
+%endif
    --with-system-zlib \
 %if "%{?disable_jack}" == "1"
    --disable-dssi \
@@ -634,7 +686,11 @@ CROSS_SYSTEM_HEADER_DIR=/usr/%{_target_platform}/include \
 
 %if "%{_target_platform}" != "%{_build}"
    make %{?_smp_mflags} CFLAGS='' LIBCFLAGS='-g -O2' \
-      LIBCXXFLAGS='-g -O2 -fno-implicit-templates' all
+      LIBCXXFLAGS='-g -O2 -fno-implicit-templates' all \
+%ifarch x86_64
+	  CXXCPP=%{_libdir}/cpp
+%endif
+
 %else
    make %{?_smp_mflags} CFLAGS='-O -I/usr/include/freetype2' LIBCFLAGS='-g -O2' \
       LIBCXXFLAGS='-g -O2 -fno-implicit-templates' bootstrap
@@ -664,10 +720,10 @@ for p in gcc gcc-ar gcc-nm gcc-ranlib cc gcov c++ g++ gcj gfortran; do
 done
 
 # create symlinks
-   mkdir -p %{buildroot}/%{_lib}
-   ln -s ../usr/bin/cpp %{buildroot}/%{_lib}/cpp
-   ln -s ../bin/cpp %{buildroot}%{_libdir}
-   ln -s gcc %{buildroot}/usr/bin/cc
+#   mkdir -p %{buildroot}/%{_lib}
+#   ln -s ../usr/bin/cpp %{buildroot}/%{_lib}/cpp
+ln -s ../bin/cpp %{buildroot}%{_libdir}
+ln -s gcc %{buildroot}/usr/bin/cc
 
 #
 # Documentation
@@ -725,7 +781,7 @@ mv %{buildroot}%{_prefix}/lib/libstdc++.so.*-gdb.py %{buildroot}%{_datadir}/gdb/
 #done)
 
 # fix permissions
-chmod 755 %{buildroot}/%{_lib}/libgcc_s.so.1
+#chmod 755 %{buildroot}/%{_lib}/libgcc_s.so.1
 #cp gcc/doc/*.pdf ../gcc-%{version}%{?gcc_extraver}/gcc/doc/
 
 %else # target_platform != host
@@ -733,6 +789,8 @@ chmod 755 %{buildroot}/%{_lib}/libgcc_s.so.1
    rm -rf %{buildroot}%{_mandir}/man7/{fsf-funding.*,gfdl.*,gpl.*}
    rm -rf %{buildroot}%{_datadir}/locale/*
    rm -rf %{buildroot}%{_datadir}/gcc-%{version}/python/libstdcxx/*
+   # FIXME: since 5.2.0
+   rm -rf %{buildroot}%{_libdir}/libcc1.*
 %endif
 # remove ffi provided by external package
 rm -f %{buildroot}%{_libdir}/libffi*
@@ -808,6 +866,7 @@ find %{buildroot}%{_libdir}/gcc -name lib*.a -exec chmod -w {} \;
 %{_bindir}/gcc-nm
 %{_bindir}/gcc-ranlib
 %{_bindir}/gcov
+%{_bindir}/gcov-tool
 %{_bindir}/%{_target_platform}-cc
 %{_bindir}/%{_target_platform}-gcc-%{version}
 %{_bindir}/%{_target_platform}-gcc
@@ -845,14 +904,14 @@ find %{buildroot}%{_libdir}/gcc -name lib*.a -exec chmod -w {} \;
 
 %files -n libgcc
 %defattr(-,root,root)
-/%{_lib}/libgcc*
+%{_libdir}/libgcc*
 %ifarch ppc
-/%{_lib}/nof/libgcc*
+%{_libdir}/nof/libgcc*
 %endif
 
 %files cpp -f cpplib.lang
 %defattr(-,root,root)
-/%{_lib}/cpp
+%{_libdir}/cpp
 %{_bindir}/cpp
 %{_mandir}/man1/cpp.1*
 %if "%{_target_platform}" == "%{_build}"
@@ -868,6 +927,15 @@ find %{buildroot}%{_libdir}/gcc -name lib*.a -exec chmod -w {} \;
 #%{_libdir}/nof/libiberty.a
 #%{_prefix}/%{_target_platform}/%{_lib}/nof/libiberty.a
 
+%files -n libcc1
+%defattr(-,root,root)
+%{_libdir}/libcc1.so.*
+
+%files -n libcc1-devel
+%defattr(-,root,root)
+%{_libdir}/libcc1.la
+%{_libdir}/libcc1.so
+
 %files -n libitm
 %defattr(-,root,root)
 %{_libdir}/libitm.so.*
@@ -883,6 +951,7 @@ find %{buildroot}%{_libdir}/gcc -name lib*.a -exec chmod -w {} \;
 %files -n libgomp
 %defattr(-,root,root)
 %{_libdir}/libgomp.so.*
+%{_libdir}/libgomp-plugin-host_nonshm.so.*
 %ifarch ppc
 %{_libdir}/nof/libgomp.so.*
 %endif
@@ -892,6 +961,8 @@ find %{buildroot}%{_libdir}/gcc -name lib*.a -exec chmod -w {} \;
 %{_libdir}/libgomp.a
 %{_libdir}/libgomp.la
 %{_libdir}/libgomp.so
+%{_libdir}/libgomp-plugin-host_nonshm.la
+%{_libdir}/libgomp-plugin-host_nonshm.so
 %{_libdir}/libgomp.spec
 %ifarch ppc
 %{_libdir}/nof/libgomp.a
@@ -1032,6 +1103,7 @@ find %{buildroot}%{_libdir}/gcc -name lib*.a -exec chmod -w {} \;
 %{_bindir}/g++
 %{_bindir}/%{_target_platform}-c++
 %{_bindir}/%{_target_platform}-g++
+%{_datadir}/gcc-5.2.0/python/libstdcxx/v6/xmethods.py
 %{_mandir}/man1/g++.1.*
 %doc gcc/cp/ChangeLog*
 
@@ -1204,7 +1276,7 @@ find %{buildroot}%{_libdir}/gcc -name lib*.a -exec chmod -w {} \;
 #%{_libdir}/lib-gnu-java-awt-peer-gtk.la
 #%{_libdir}/lib-gnu-java-awt-peer-gtk.so
 %{_datadir}/java/src-%{version}.zip
-%{_libdir}/pkgconfig/libgcj-%{majver}.pc
+%{_libdir}/pkgconfig/libgcj-%{MAJver}.pc
 %{_mandir}/man1/jv-convert.1.*
 #%doc rpm.doc/boehm-gc/*
 #%doc rpm.doc/libjava/*
@@ -1263,6 +1335,35 @@ find %{buildroot}%{_libdir}/gcc -name lib*.a -exec chmod -w {} \;
 %{_libdir}/libquadmath.so
 %endif
 
+#
+# go language
+#
+%files go
+%defattr(-,root,root)
+%{_bindir}/gccgo
+%{_bindir}/go
+%{_bindir}/gofmt
+%{_bindir}/%{_target_platform}-gccgo
+%{_infodir}/gccgo.info*
+%{_mandir}/man1/gccgo.1*
+%{_mandir}/man1/go.1*
+%{_mandir}/man1/gofmt.1*
+
+%files -n libgo
+%defattr(-,root,root)
+%{_libdir}/libgo.so.*
+%dir %{_libdir}/go/%{version}/%{_target_platform}
+%{_libdir}/go/%{version}/%{_target_platform}/*
+
+%files -n libgo-devel
+%defattr(-,root,root)
+%{_libdir}/libgo.a
+%{_libdir}/libgo.la
+%{_libdir}/libgo.so
+%{_libdir}/libgobegin.a
+%{_libdir}/libgolibbegin.a
+%{_libdir}/libnetgo.a
+
 %if "%{disable_doc}" != "1"
 %files doc
 %defattr(-,root,root)
@@ -1287,13 +1388,16 @@ find %{buildroot}%{_libdir}/gcc -name lib*.a -exec chmod -w {} \;
 %doc gcc/doc/gccint.pdf
 %endif # "%{disable_doc}" != "1"
 
+#
+# Multilib
+#
 %ifarch x86_64
 %files -n gcc-multilib
 %defattr(-,root,root)
 %dir %{_libdir}/gcc/%{_target_platform}/%{version}/32
 %{_libdir}/gcc/%{_target_platform}/%{version}/32/*
-/lib/libgcc_s.so
-/lib/libgcc_s.so.1
+%{_prefix}/lib/libgcc_s.so
+%{_prefix}/lib/libgcc_s.so.1
 #
 %{_prefix}/lib/libstdc++.a
 %{_prefix}/lib/libstdc++.la
@@ -1310,32 +1414,52 @@ find %{buildroot}%{_libdir}/gcc -name lib*.a -exec chmod -w {} \;
 %{_prefix}/lib/libatomic.so
 %{_prefix}/lib/libatomic.so.*
 #
-%{_prefix}/lib/gcj-*/*
-%{_prefix}/lib/libgcj-tools.la
-%{_prefix}/lib/libgcj-tools.so
-%{_prefix}/lib/libgcj-tools.so.*
-%{_prefix}/lib/libgcj.la
-%{_prefix}/lib/libgcj.so
-%{_prefix}/lib/libgcj.so.*
-%{_prefix}/lib/libgcj_bc.so
-%{_prefix}/lib/libgcj_bc.so.*
-%{_prefix}/lib/libgij.la
-%{_prefix}/lib/libgij.so
-%{_prefix}/lib/libgij.so.*
-%{_prefix}/lib/logging.properties
-%{_prefix}/lib/security/classpath.security
-%{_prefix}/lib/pkgconfig/libgcj-*.pc
+#%{_prefix}/lib/gcj-*/*
+#%{_prefix}/lib/libgcj-tools.la
+#%{_prefix}/lib/libgcj-tools.so
+#%{_prefix}/lib/libgcj-tools.so.*
+#%{_prefix}/lib/libgcj.la
+#%{_prefix}/lib/libgcj.so
+#%{_prefix}/lib/libgcj.so.*
+#%{_prefix}/lib/libgcj_bc.so
+#%{_prefix}/lib/libgcj_bc.so.*
+#%{_prefix}/lib/libgij.la
+#%{_prefix}/lib/libgij.so
+#%{_prefix}/lib/libgij.so.*
+#%{_prefix}/lib/logging.properties
+#%{_prefix}/lib/security/classpath.security
+#%{_prefix}/lib/pkgconfig/libgcj-*.pc
 #
 %{_prefix}/lib/libgfortran.a
 %{_prefix}/lib/libgfortran.la
 %{_prefix}/lib/libgfortran.so
 %{_prefix}/lib/libgfortran.so.*
 %{_prefix}/lib/libgfortran.spec
-/usr/lib/libgomp.a
-/usr/lib/libgomp.la
-/usr/lib/libgomp.so
-/usr/lib/libgomp.so.*
-/usr/lib/libgomp.spec
+#
+# go
+#
+%dir %{_prefix}/lib/go
+%dir %{_prefix}/lib/go/%{version}
+%dir %{_prefix}/lib/go/%{version}/%{_target_platform}
+%{_prefix}/lib/go/%{version}/%{_target_platform}/*
+%{_prefix}/lib/libgo.a
+%{_prefix}/lib/libgo.la
+%{_prefix}/lib/libgo.so
+%{_prefix}/lib/libgo.so.*
+%{_prefix}/lib/libgobegin.a
+%{_prefix}/lib/libgolibbegin.a
+%{_prefix}/lib/libnetgo.a
+#
+#
+#
+%{_prefix}/lib/libgomp.a
+%{_prefix}/lib/libgomp.la
+%{_prefix}/lib/libgomp.so
+%{_prefix}/lib/libgomp.so.*
+%{_prefix}/lib/libgomp.spec
+%{_prefix}/lib/libgomp-plugin-host_nonshm.la
+%{_prefix}/lib/libgomp-plugin-host_nonshm.so
+%{_prefix}/lib/libgomp-plugin-host_nonshm.so.*
 /usr/lib/libitm.a
 /usr/lib/libitm.la
 /usr/lib/libitm.so
@@ -1411,6 +1535,13 @@ find %{buildroot}%{_libdir}/gcc -name lib*.a -exec chmod -w {} \;
 %endif # cross-platform
 
 %changelog
+* Sat Nov 21 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 5.2.0-2mamba
+- rebuilt with go
+- move to %{_libdir} files formerly installed in /%{_lib}
+
+* Sun Aug 16 2015 Automatic Build System <autodist@mambasoft.it> 5.2.0-1mamba
+- automatic version update by autodist
+
 * Thu Apr 09 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 4.9.2-2mamba
 - new target: arm-openmamba-linux-gnueabihf