diff --git a/mumps.changes b/mumps.changes
index 7b273cc..fa3663d 100644
--- a/mumps.changes
+++ b/mumps.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Aug 20 23:09:48 UTC 2012 - scorot@free.fr
+
+- fix build with debuginfo enabled
+
 -------------------------------------------------------------------
 Mon Aug 20 21:08:35 UTC 2012 - scorot@free.fr
 
diff --git a/mumps.spec b/mumps.spec
index baf1a18..5c49fa3 100644
--- a/mumps.spec
+++ b/mumps.spec
@@ -127,6 +127,7 @@ Group:          Development/Libraries/Parallel
 Requires:       blacs-openmpi-devel
 Requires:       blas-devel
 Requires:       lapack-devel
+Requires:       mumps-devel = %{version}
 Requires:       mumps-openmpi = %{version}
 Requires:       mumps-scotch-openmpi = %{version}
 Requires:       openmpi-devel
@@ -189,6 +190,7 @@ Group:          Development/Libraries/Parallel
 Requires:       blacs-mvapich2-devel
 Requires:       blas-devel
 Requires:       lapack-devel
+Requires:       mumps-devel = %{version}
 Requires:       mumps-mvapich2 = %{version}
 Requires:       mumps-scotch-mvapich2 = %{version}
 Requires:       mvapich2-devel
@@ -350,6 +352,18 @@ rm -rf examples/*.o examples/*simpletest examples/c_example
 rm -f %{buildroot}%{_libdir}/libpord.so*
 rm -f %{buildroot}%{_libdir}/libpord_ptscotch.so*
 
+# we make a symlink to the serial lib in the parallel lib prefix
+# because some scientific packages don't manage different directories
+# for the serial and parallel libs
+for mpi in %_mpi; do
+pushd %{buildroot}%{_libdir}
+for f in *_seq.* *_scotch.*; do
+ rm -f %{buildroot}%{_libdir}/mpi/gcc/$mpi/%_lib/$f && \
+ ln -s %{_libdir}/$f %{buildroot}%{_libdir}/mpi/gcc/$mpi/%_lib/$f
+done
+
+done
+
 %clean
 rm -rf %{buildroot}
 
@@ -409,9 +423,9 @@ rm -rf %{buildroot}
 %{_libdir}/mpi/gcc/openmpi/%_lib/libzmumps.so.*
 %{_libdir}/mpi/gcc/openmpi/%_lib/libmumps_common.so.*
 %{_libdir}/mpi/gcc/openmpi/%_lib/libpord.so.*
-%exclude %{_libdir}/mpi/gcc/openmpi/%_lib/lib*seq.*
-%exclude %{_libdir}/mpi/gcc/openmpi/%_lib/lib*scotch.*
-%exclude %{_libdir}/mpi/gcc/openmpi/%_lib/libmumps_common_*scotch.*
+%{_libdir}/mpi/gcc/openmpi/%_lib/lib*seq.so.*
+%{_libdir}/mpi/gcc/openmpi/%_lib/lib*_scotch.so.*
+%{_libdir}/mpi/gcc/openmpi/%_lib/libmumps_common_scotch.so.*
 
 %files ptscotch-openmpi
 %defattr(-,root,root,-)
@@ -421,9 +435,7 @@ rm -rf %{buildroot}
 %{_libdir}/mpi/gcc/openmpi/%_lib/libzmumps_ptscotch.so.*
 %{_libdir}/mpi/gcc/openmpi/%_lib/libmumps_common_ptscotch.so.*
 %{_libdir}/mpi/gcc/openmpi/%_lib/libpord_ptscotch.so.*
-%exclude %{_libdir}/mpi/gcc/openmpi/%_lib/lib*seq.*
-%exclude %{_libdir}/mpi/gcc/openmpi/%_lib/lib*mumps_scotch.*
-%exclude %{_libdir}/mpi/gcc/openmpi/%_lib/libmumps_common_scotch.*
+%{_libdir}/mpi/gcc/openmpi/%_lib/libmumps_common_ptscotch.so.*
 
 %files openmpi-devel
 %defattr(-,root,root,-)
@@ -439,9 +451,9 @@ rm -rf %{buildroot}
 %{_libdir}/mpi/gcc/mvapich2/%_lib/libzmumps.so.*
 %{_libdir}/mpi/gcc/mvapich2/%_lib/libmumps_common.so.*
 %{_libdir}/mpi/gcc/mvapich2/%_lib/libpord.so.*
-%exclude %{_libdir}/mpi/gcc/mvapich2/%_lib/lib*seq.*
-%exclude %{_libdir}/mpi/gcc/mvapich2/%_lib/lib*scotch.*
-%exclude %{_libdir}/mpi/gcc/mvapich2/%_lib/libmumps_common_*scotch.*
+%{_libdir}/mpi/gcc/mvapich2/%_lib/lib*seq.so.*
+%{_libdir}/mpi/gcc/mvapich2/%_lib/lib*_scotch.so.*
+%{_libdir}/mpi/gcc/mvapich2/%_lib/libmumps_common_scotch.so.*
 
 %files ptscotch-mvapich2
 %defattr(-,root,root,-)
@@ -451,9 +463,8 @@ rm -rf %{buildroot}
 %{_libdir}/mpi/gcc/mvapich2/%_lib/libzmumps_ptscotch.so.*
 %{_libdir}/mpi/gcc/mvapich2/%_lib/libmumps_common_ptscotch.so.*
 %{_libdir}/mpi/gcc/mvapich2/%_lib/libpord_ptscotch.so.*
-%exclude %{_libdir}/mpi/gcc/mvapich2/%_lib/lib*seq.*
-%exclude %{_libdir}/mpi/gcc/mvapich2/%_lib/lib*mumps_scotch.*
-%exclude %{_libdir}/mpi/gcc/mvapich2/%_lib/libmumps_common_scotch.*
+%{_libdir}/mpi/gcc/mvapich2/%_lib/libmumps_common_ptscotch.so.*
+
 
 %files mvapich2-devel
 %defattr(-,root,root,-)