diff --git a/firebird.spec b/firebird.spec
index 70d1679..5eb2336 100644
--- a/firebird.spec
+++ b/firebird.spec
@@ -4,7 +4,7 @@
 %define        major %(echo %version | cut -d. -f 1-3)
 %define        majver %(echo %version | cut -d. -f 1-2)
 Name:          firebird
-Version:       2.5.2.26540
+Version:       2.5.6.27020
 Release:       1mamba
 Summary:       SQL Relational Database
 Group:         Applications/Databases
@@ -128,6 +128,8 @@ This is the Superserver (single process) %{name} SQL RDBMS.
 #:<< __EOF
 [ -e Firebird-%{version}-0 ] && chmod u+w Firebird-%{version}-0/* -R
 %setup -q -n Firebird-%{version}-0
+#-D -T
+#:<< _EOF
 iconv -f ISO-8859-1 -t utf-8 -c doc/README.intl -o doc/README.intl
 #%patch0 -p0
 #%patch1 -p1
@@ -150,9 +152,11 @@ autoreconf
 	--with-system-icu
 
 chmod u+w gen/* -R
-	
+
+#__EOF
+
 # parallel build is broken
-make
+make -j1 CXXFLAGS='-std=gnu++98 -flifetime-dse=1' || make CXXFLAGS='-std=gnu++98 -flifetime-dse=1'
 
 cd gen
 ./install/makeInstallImage.sh
@@ -167,7 +171,7 @@ cd ..
 	--with-system-icu
 
 # parallel build is broken
-make
+make CXXFLAGS='-std=gnu++98 -flifetime-dse=1' || make CXXFLAGS='-std=gnu++98 -flifetime-dse=1'
 
 cd gen
 ./install/makeInstallImage.sh
@@ -181,8 +185,6 @@ chmod u+w gen/* -R
 cp -a gen/buildroot-superserver/* %{buildroot}/
 cp -a gen/buildroot-classic/* %{buildroot}/
 
-cd %{buildroot}
-
 mkdir -p %{buildroot}%{_sysconfdir}/firebird
 mkdir -p %{buildroot}%{_initrddir} 
 mkdir -p %{buildroot}%{_sysconfdir}/xinetd.d
@@ -202,6 +204,8 @@ mkdir -p %{buildroot}%{_libdir}/firebird/bin-superserver
 mkdir -p %{buildroot}%{_libdir}/firebird/UDF-superserver
 mkdir -p %{buildroot}%{_bindir} 
 
+install gen/firebird/bin/fb_config %{buildroot}%{_bindir}/fb_config
+
 pushd %{_builddir}/Firebird-%{version}-0/gen
 	pushd buildroot-classic%{_libdir}/firebird
 		#cp examples/empbuild/employee.fdb %{buildroot}%{_localstatedir}/lib/firebird/data/employee.fdb
@@ -372,6 +376,7 @@ exit 0
 
 %files devel
 %defattr(-,root,root)
+%attr(0755,root,root) %{_bindir}/fb_config
 %dir %{_libdir}/firebird/include
 %attr(644,root,root) %{_libdir}/firebird/include/*
 %attr(644,root,root) %{_includedir}/*
@@ -419,6 +424,9 @@ exit 0
 %doc doc/license/README.license.usage.txt
 
 %changelog
+* Mon Oct 24 2016 Silvan Calarco <silvan.calarco@mambasoft.it> 2.5.6.27020-1mamba
+- update to 2.5.6.27020
+
 * Tue Jun 04 2013 Automatic Build System <autodist@mambasoft.it> 2.5.2.26540-1mamba
 - update to 2.5.2.26540