diff --git a/libftdi1-1.4-cmake_swig.patch b/libftdi1-1.4-cmake_swig.patch
new file mode 100644
index 0000000..bbbdd46
--- /dev/null
+++ b/libftdi1-1.4-cmake_swig.patch
@@ -0,0 +1,21 @@
+--- a/python/CMakeLists.txt
++++ b/python/CMakeLists.txt
+@@ -1,3 +1,7 @@
++# swig_add_module is deprecated and SWIG_MODULE_<target>_REAL_NAME is no
++# longer set by default so set policy to the old behavior.
++cmake_policy(SET CMP0078 OLD)
++
+ option ( PYTHON_BINDINGS "Build python bindings via swig" ON )
+ option ( LINK_PYTHON_LIBRARY "Link against python libraries" ON )
+ 
+@@ -24,8 +28,9 @@ if ( SWIG_FOUND AND PYTHONLIBS_FOUND AND
+ 
+   if ( DOCUMENTATION AND DOXYGEN_FOUND )
+     set(CMAKE_SWIG_FLAGS -DDOXYGEN=${DOXYGEN_FOUND})
++    set_property(SOURCE ftdi1.i PROPERTY DEPENDS ftdi1_doc.i)
+   endif()
+-  swig_add_module ( ftdi1 python ftdi1.i )
++  swig_add_library ( ftdi1 LANGUAGE python SOURCES ftdi1.i )
+   swig_link_libraries ( ftdi1 ftdi1 )
+ 
+   if ( LINK_PYTHON_LIBRARY )
diff --git a/libftdi1.spec b/libftdi1.spec
index 618624e..56c361e 100644
--- a/libftdi1.spec
+++ b/libftdi1.spec
@@ -1,6 +1,6 @@
 Name:          libftdi1
 Version:       1.4
-Release:       1mamba
+Release:       2mamba
 Summary:       A library to talk to FTDI chips: FT232BM/245BM, FT2232C/D and FT232/245R 
 Group:         System/Libraries
 Vendor:        openmamba
@@ -8,15 +8,17 @@ Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://www.intra2net.com/en/developer/libftdi/index.php
 Source:        http://www.intra2net.com/en/developer/libftdi/download/libftdi1-%{version}.tar.bz2
+Patch0:        libftdi1-1.4-cmake_swig.patch
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: ldconfig
 BuildRequires: libconfuse-devel
 BuildRequires: libgcc
-BuildRequires: libpython-devel
 BuildRequires: libpython3-devel
 BuildRequires: libstdc++6-devel
-BuildRequires: libusbx-devel
+BuildRequires: libusb-devel
+BuildRequires: python3
 ## AUTOBUILDREQ-END
 BuildRequires: cmake
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
@@ -42,11 +44,17 @@ Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
 %description -n ftdi1-utils
 Utilities to talk to FTDI chips: FT232BM/245BM, FT2232C/D and FT232/245R using libusb, including the popular bitbang mode. 
 
+%debug_package
+
 %prep
 %setup -q -n libftdi1-%{version}
+%patch0 -p1
 
 %build
-%cmake -d build
+%cmake -d build \
+   -DEXAMPLES=OFF \
+   -DFTDI_EEPROM=ON
+
 %make -j1
 
 %install
@@ -93,6 +101,9 @@ Utilities to talk to FTDI chips: FT232BM/245BM, FT2232C/D and FT232/245R using l
 %{_bindir}/ftdi_eeprom
 
 %changelog
+* Wed Dec 09 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 1.4-2mamba
+- rebuilt with debug package and cmake swig build patch
+
 * Sun Oct 13 2019 Automatic Build System <autodist@mambasoft.it> 1.4-1mamba
 - automatic version update by autodist