diff --git a/libmpeg2-0.5.1-arm-disable-asm.patch b/libmpeg2-0.5.1-arm-disable-asm.patch
new file mode 100644
index 0000000..a90f354
--- /dev/null
+++ b/libmpeg2-0.5.1-arm-disable-asm.patch
@@ -0,0 +1,35 @@
+--- a/configure.ac
++++ b/configure.ac
+@@ -59,7 +59,7 @@
+     AC_TRY_CFLAGS([$TRY_CFLAGS $CFLAGS],[OPT_CFLAGS="$TRY_CFLAGS"])
+ 
+     dnl arch-specific flags
+-    arm_conditional=false
++    build_arm_opt=false
+     case "$host" in
+     i?86-* | k?-* | x86_64-* | amd64-*)
+ 	AC_DEFINE([ARCH_X86],,[x86 architecture])
+@@ -102,8 +102,12 @@
+     alpha*)
+ 	AC_DEFINE([ARCH_ALPHA],,[alpha architecture]);;
+     arm*)
+-	arm_conditional=:
+-	AC_DEFINE([ARCH_ARM],,[ARM architecture]);;
++	AC_LANG(C)
++	AC_COMPILE_IFELSE(
++		[AC_LANG_SOURCE([[
++			void foo(void) { __asm__ volatile("pld [r1]"); }]])],
++		build_arm_opt=true; AC_DEFINE([ARCH_ARM],,[ARM architecture]),
++		build_arm_opt=false);;
+     esac
+ elif test x"$CC" = x"tendracc"; then
+     dnl TenDRA portability checking compiler
+@@ -123,7 +127,7 @@
+     esac
+ fi
+ 
+-AM_CONDITIONAL(ARCH_ARM, ${arm_conditional})
++AM_CONDITIONAL(ARCH_ARM, test x$build_arm_opt = xtrue)
+ 
+ dnl Checks for libtool - this must be done after we set cflags
+ AC_LIBTOOL_WIN32_DLL
diff --git a/libmpeg2.spec b/libmpeg2.spec
index a77e0af..8a8eda6 100644
--- a/libmpeg2.spec
+++ b/libmpeg2.spec
@@ -1,6 +1,6 @@
 Name:          libmpeg2
 Version:       0.5.1
-Release:       1mamba
+Release:       2mamba
 Summary:       MPEG-2 and MPEG-1 decoding library and test program
 Group:         System/Libraries
 Vendor:        openmamba
@@ -8,6 +8,7 @@ Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://libmpeg2.sourceforge.net/
 Source:        http://libmpeg2.sourceforge.net/files/libmpeg2-%{version}.tar.gz
+Patch0:        libmpeg2-0.5.1-arm-disable-asm.patch
 License:       LGPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -33,9 +34,7 @@ Obsoletes:     mpeg2dec-devel
 
 %description devel
 A free library for decoding MPEG-2 and MPEG-1 video streams.
-
-This package contains files needed to build applications that use mpeg2dec's
-libmpeg2.
+This package contains files needed to build applications that use mpeg2dec's libmpeg2.
 
 %package -n mpeg2dec
 Summary:       A tool for decoding MPEG-2 and MPEG-1 video streams.
@@ -45,11 +44,17 @@ Requires:      %{name} = %{version}-%{release}
 %description -n mpeg2dec
 A tool for decoding MPEG-2 and MPEG-1 video streams.
 
+%debug_package
+
 %prep
 %setup -q
+sed -i "s,| arm-\*  |,| aarch64-\* | arm-\*  |," .auto/config.sub
+%ifarch arm
+%patch0 -p1
+./bootstrap
+%endif
 
 %build
-#./bootstrap
 %configure  --enable-shared
 %make
 
@@ -65,16 +70,20 @@ A tool for decoding MPEG-2 and MPEG-1 video streams.
 
 %files
 %defattr(-, root, root)
-%{_libdir}/*.so.*
+%{_libdir}/libmpeg2.so.*
+%{_libdir}/libmpeg2convert.so.*
 %doc AUTHORS COPYING
 
 %files devel
 %defattr(-, root, root)
 %dir %{_includedir}/mpeg2dec/
 %{_includedir}/mpeg2dec/*.h
-%{_libdir}/*.a
-%{_libdir}/*.la
-%{_libdir}/*.so
+%{_libdir}/libmpeg2.a
+%{_libdir}/libmpeg2.la
+%{_libdir}/libmpeg2.so
+%{_libdir}/libmpeg2convert.a
+%{_libdir}/libmpeg2convert.la
+%{_libdir}/libmpeg2convert.so
 %{_libdir}/pkgconfig/*
 %doc doc/*.txt doc/*.c
 %doc NEWS README TODO
@@ -85,6 +94,9 @@ A tool for decoding MPEG-2 and MPEG-1 video streams.
 %{_mandir}/man1/*
 
 %changelog
+* Mon Dec 14 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 0.5.1-2mamba
+- rebuilt with debug package
+
 * Sun Nov 06 2011 Silvan Calarco <silvan.calarco@mambasoft.it> 0.5.1-1mamba
 - update to 0.5.1