diff --git a/libslang.spec b/libslang.spec
index 374c20e..9f29e82 100644
--- a/libslang.spec
+++ b/libslang.spec
@@ -1,7 +1,7 @@
 %define majversion %(echo %version | cut -d. -f 1-2)
 Name:          libslang
 Version:       2.3.2
-Release:       1mamba
+Release:       2mamba
 Summary:       The shared library for the S-Lang extension language
 Group:         System/Libraries
 Vendor:        openmamba
@@ -52,18 +52,20 @@ Documentation which may help you write S-Lang based applications is also include
 
 Install the slang-devel package if you want to develop applications based on the S-Lang extension language.
 
+%debug_package
+
 %prep
 %setup -q -n slang-%{version}
 
 %build
-perl -p -i -e \
-'s/(ELF_CFLAGS=\"[^\"]*)-O2([^\"]*\".*)/$1'"$RPM_OPT_FLAGS"' $2/gs' \
-configure
+#perl -p -i -e \
+#'s/(ELF_CFLAGS=\"[^\"]*)-O2([^\"]*\".*)/$1'"$RPM_OPT_FLAGS"' $2/gs' \
+#configure
 
 %configure \
    --includedir=%{_includedir}/slang
 
-%make all
+%make -j1 all
 
 %install
 [ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
@@ -109,6 +111,9 @@ chmod 755 %{buildroot}%{_libdir}/*.so.*
 %doc doc README
 
 %changelog
+* Thu Nov 26 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 2.3.2-2mamba
+- rebuilt with debug package
+
 * Mon Apr 02 2018 Automatic Build System <autodist@mambasoft.it> 2.3.2-1mamba
 - automatic version update by autodist