diff --git a/libplib.spec b/libplib.spec
index 6f68a58..9d7e1f1 100644
--- a/libplib.spec
+++ b/libplib.spec
@@ -1,29 +1,33 @@
-#%define        extraver -rc1
 Name:          libplib
 Version:       1.8.5
-Release:       3mamba
-Summary:       PLIB: A Suite of Portable Game Libraries.
+Release:       4mamba
+Summary:       A Suite of Portable Game Libraries
 Group:         System/Libraries
 Vendor:        openmamba
 Distribution:  openmamba
-Packager:      Tiziano Pratellesi <tiziano.pratellesi@email.it>
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://plib.sourceforge.net/
 Source:        http://plib.sourceforge.net/dist/plib-%{version}.tar.gz
 Patch0:        plib-1.8.4-alt-shared.patch
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
-BuildRequires: libgcc
-BuildRequires: libGL-devel
 BuildRequires: libICE-devel
 BuildRequires: libSM-devel
-BuildRequires: libstdc++6-devel
 BuildRequires: libX11-devel
+BuildRequires: libXau-devel
+BuildRequires: libXdmcp-devel
 BuildRequires: libXext-devel
 BuildRequires: libXi-devel
 BuildRequires: libXmu-devel
+BuildRequires: libXt-devel
+BuildRequires: libbsd-devel
+BuildRequires: libgcc
+BuildRequires: libglvnd-devel
+BuildRequires: libstdc++6-devel
+BuildRequires: libuuid-devel
+BuildRequires: libxcb-devel
 ## AUTOBUILDREQ-END
-BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
 PLIB includes sound effects, music, a complete 3D engine, font rendering, a simple Windowing library, a game scripting language, a GUI, networking, 3D math library and a collection of handy utility functions.
@@ -36,15 +40,18 @@ Group:         Development/Libraries
 Requires:      %{name} = %{version}
 
 %description devel
-This package contains static libraries and header files need for development.
+This package contains static libraries and header files needed for development.
+
+%debug_package
 
 %prep
 %setup -q -n plib-%{version}
 %patch0 -p1
-
-%build
+sed -i "s,| arm-\*  |,| aarch64-\* | arm-\*  |," config.sub
 libtoolize
 ./autogen.sh
+
+%build
 %configure \
    --enable-shared
 %make
@@ -63,17 +70,20 @@ libtoolize
 %files
 %defattr(-,root,root)
 %{_libdir}/libplib*.so.*
-#%doc AUTHORS COPYING ChangeLog README README.GLUT README.mac README.win32
+%doc AUTHORS COPYING
 
 %files devel
 %defattr(-,root,root)
-%doc AUTHORS COPYING ChangeLog README README.GLUT README.mac README.win32
 %{_includedir}/plib/*
 %{_libdir}/libplib*.a
 %{_libdir}/libplib*.la
 %{_libdir}/libplib*.so
+%doc ChangeLog README README.GLUT
 
 %changelog
+* Mon Jul 05 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 1.8.5-4mamba
+- rebuilt with debug package and specfile fixes
+
 * Sun Dec 28 2014 Automatic Build System <autodist@mambasoft.it> 1.8.5-3mamba
 - automatic rebuild by autodist