diff --git a/octave-4.0.3-gcc-6.1.0.patch b/octave-4.0.3-gcc-6.1.0.patch
new file mode 100644
index 0000000..2c59c42
--- /dev/null
+++ b/octave-4.0.3-gcc-6.1.0.patch
@@ -0,0 +1,38 @@
+diff -up octave-4.0.0/libinterp/corefcn/pr-output.cc.abs octave-4.0.0/libinterp/corefcn/pr-output.cc
+--- octave-4.0.0/libinterp/corefcn/pr-output.cc.abs	2015-05-23 08:21:53.000000000 -0600
++++ octave-4.0.0/libinterp/corefcn/pr-output.cc	2016-02-21 08:59:30.966291273 -0700
+@@ -21,7 +21,7 @@ along with Octave; see the file COPYING.
+ */
+ 
+ #ifdef HAVE_CONFIG_H
+-#include <config.h>
++#include "config.h"
+ #endif
+ 
+ #include <cfloat>
+@@ -3145,6 +3145,14 @@ PRINT_INT_SCALAR_INTERNAL (uint32_t)
+ PRINT_INT_SCALAR_INTERNAL (int64_t)
+ PRINT_INT_SCALAR_INTERNAL (uint64_t)
+ 
++inline unsigned int abs (unsigned int x) { return x; }
++inline long unsigned int abs (long unsigned int x) { return x; }
++inline long long unsigned int abs (long long unsigned int x) { return x; }
++inline short unsigned int abs (short unsigned int x) { return x; }
++inline unsigned char abs (unsigned char x) { return x; }
++inline signed char abs (signed char x) { return abs((int)x); }
++inline short int abs (short int x) { return abs((int)x); }
++
+ template <class T>
+ /* static */ inline void
+ octave_print_internal_template (std::ostream& os, const intNDArray<T>& nda,
+diff -up octave-4.0.0/liboctave/cruft/Faddeeva/Faddeeva.hh.gnulib octave-4.0.0/liboctave/cruft/Faddeeva/Faddeeva.hh
+--- octave-4.0.0/liboctave/cruft/Faddeeva/Faddeeva.hh.gnulib	2015-05-23 08:21:53.000000000 -0600
++++ octave-4.0.0/liboctave/cruft/Faddeeva/Faddeeva.hh	2016-02-19 19:50:04.693811663 -0700
+@@ -27,6 +27,7 @@
+ #ifndef FADDEEVA_HH
+ #define FADDEEVA_HH 1
+ 
++#include <math.h>
+ #include <complex>
+ 
+ namespace Faddeeva {
diff --git a/octave.spec b/octave.spec
index fca4716..fa4f4a2 100644
--- a/octave.spec
+++ b/octave.spec
@@ -1,6 +1,6 @@
 Name:          octave
-Version:       4.0.1
-Release:       1mamba
+Version:       4.0.3
+Release:       2mamba
 Summary:       A high-level language, primarily intended for numerical computations
 Group:         Applications/Mathematics
 Vendor:        openmamba
@@ -10,39 +10,78 @@ URL:           http://www.octave.org
 Source0:       ftp://ftp.gnu.org/gnu/octave/octave-%{version}.tar.xz
 Source1:       octave.png
 Patch0:        %{name}-3.4.2-curl_remove_include.patch
+Patch1:        octave-4.0.3-gcc-6.1.0.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
-BuildRequires: GraphicsMagick-devel
 BuildRequires: gcc-fortran
 BuildRequires: glibc-devel
 BuildRequires: libGL-devel
 BuildRequires: libGLU-devel
+BuildRequires: libGraphicsMagick-devel
+BuildRequires: libICE-devel
+BuildRequires: libOSMesa-devel
+BuildRequires: libSM-devel
 BuildRequires: libX11-devel
+BuildRequires: libXau-devel
+BuildRequires: libXcursor-devel
+BuildRequires: libXdmcp-devel
 BuildRequires: libXext-devel
+BuildRequires: libXfixes-devel
 BuildRequires: libXft-devel
 BuildRequires: libXinerama-devel
+BuildRequires: libXrender-devel
+BuildRequires: libalsa-devel
 BuildRequires: libatlas-devel
 BuildRequires: libblas-devel
+BuildRequires: libbsd-devel
+BuildRequires: libbzip2-devel
+BuildRequires: libcares-devel
 BuildRequires: libcurl-devel
+BuildRequires: libexpat-devel
 BuildRequires: libfftw-devel
+BuildRequires: libflac-devel
 BuildRequires: libfltk-devel
 BuildRequires: libfontconfig-devel
 BuildRequires: libfreetype-devel
 BuildRequires: libgcc
+BuildRequires: libglib-devel
 BuildRequires: libglpk-devel
 BuildRequires: libgomp-devel
+BuildRequires: libgraphite2-devel
+BuildRequires: libgss-devel
+BuildRequires: libharfbuzz-devel
 BuildRequires: libhdf5-devel
-BuildRequires: libncurses-devel
+BuildRequires: libidn-devel
+BuildRequires: libjack-devel
+BuildRequires: liblcms2-devel
+BuildRequires: libltdl-devel
+BuildRequires: liblzma-devel
+BuildRequires: libncurses5
+BuildRequires: libogg-devel
+BuildRequires: libopenldap-devel
+BuildRequires: libopenssl-devel
 BuildRequires: libpcre-devel
+BuildRequires: libpng-devel
+BuildRequires: libportaudio-devel
 BuildRequires: libqhull-devel
+BuildRequires: libqrupdate-devel
 BuildRequires: libqt4-devel
 BuildRequires: libquadmath-devel
 BuildRequires: libreadline-devel
+BuildRequires: librtmp-devel
+BuildRequires: libsasl2-devel
+BuildRequires: libsndfile-devel
+BuildRequires: libssh2-devel
 BuildRequires: libstdc++6-devel
 BuildRequires: libsuitesparse-devel
+BuildRequires: libuuid-devel
+BuildRequires: libvorbis-devel
+BuildRequires: libxcb-devel
 BuildRequires: libz-devel
 BuildRequires: qscintilla-devel
 ## AUTOBUILDREQ-END
+BuildRequires: libGraphicsMagick-devel >= 1.3.24
+BuildRequires: libqhull-devel >= 2015-1mamba
 BuildRequires: libglpk-devel >= 4.58-1mamba
 BuildRequires: libcares-devel
 BuildRequires: libidn-devel
@@ -76,18 +115,28 @@ This package contains static libraries and header files need for development.
 
 %prep
 %setup -q
+#-D -T
+#:<< _EOF
 #%patch0 -p1
-
+# FIX for gcc 6.1 (Fedora)
+%patch1 -p1
+find -name \*.cc -o -name \*.h -o -name \*.yy | xargs sed -i -e 's/#include <c\(math\|stdlib\)>/#include <\1.h>/'
+find -name \*.h -o -name \*.cc | xargs sed -i -e 's/<config.h>/"config.h"/' -e 's/<base-list.h>/"base-list.h"/'
 # FIXME: i586 workaround: comment #include <math.h> in
 # /usr/include/suitesparse/SuiteSparse_config.h
 
 %build
+#:<< _EOF
+autoreconf -fi
+
 %configure \
    --enable-shared=yes \
    --enable-static=no \
    UIC=uic-qt4 \
    MOC=moc-qt4
-   
+ 
+#_EOF
+
 #   \
 #   QT_CFLAGS="`pkg-config --cflags Qt5Core Qt5Gui Qt5Network`" \
 #   QT_LDFLAGS="`pkg-config --libs Qt5Core Qt5Gui Qt5Network`"
@@ -156,6 +205,15 @@ install -D -m 644 %{SOURCE1} \
 %doc ChangeLog README NEWS INSTALL
 
 %changelog
+* Mon Aug 01 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.3-2mamba
+- rebuilt with libqhull 2015 and libGrapicsMagick 1.3.24
+
+* Sun Jul 24 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.3-1mamba
+- update to 4.0.3
+
+* Sun Jul 24 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.1-2mamba
+- rebuilt by autoport with build requirements: libqhull-devel>=2015-1mamba
+
 * Tue Mar 22 2016 Automatic Build System <autodist@mambasoft.it> 4.0.1-1mamba
 - automatic version update by autodist