diff --git a/suitesparse.spec b/suitesparse.spec
index b36a395..27a14a8 100644
--- a/suitesparse.spec
+++ b/suitesparse.spec
@@ -50,7 +50,7 @@
 
 Name:           suitesparse
 Version:        4.4.6
-Release:        5%{?dist}
+Release:        6%{?dist}
 Summary:        A collection of sparse matrix libraries
 
 Group:          System Environment/Libraries
@@ -63,11 +63,7 @@ BuildRequires:  atlas-devel >= 3.10
 %else
 BuildRequires:  atlas-devel
 %endif
-%ifnarch s390 s390x
 BuildRequires:  tbb-devel
-%global with_tbb 1
-%endif
-
 BuildRequires:  hardlink
 
 Obsoletes:      umfpack <= 5.0.1
@@ -131,6 +127,13 @@ This package contains documentation files for %{name}.
 %prep
 %setup -q -n SuiteSparse
 
+# Fix pragma ivdep so gcc understands it.
+for fil in $(grep -Frl 'pragma ivdep' .); do
+  sed -i.orig 's/pragma ivdep/pragma GCC ivdep/' $fil
+  touch -r ${fil}.orig $fil
+  rm -f ${fil}.orig
+done
+
 %build
 mkdir -p Doc/{AMD,BTF,CAMD,CCOLAMD,CHOLMOD,COLAMD,KLU,LDL,UMFPACK,SPQR,RBio} Lib Include
 
@@ -346,13 +349,13 @@ popd
 
 pushd SPQR
   pushd Lib
-    make CFLAGS="$RPM_OPT_FLAGS %{?with_tbb:-DHAVE_TBB} -DNPARTITION -fPIC"
+    make CFLAGS="$RPM_OPT_FLAGS -DHAVE_TBB -DNPARTITION -fPIC"
   popd
   pushd ../Lib
     g++ -shared %{?__global_ldflags} -Wl,-soname,libspqr.so.%{spqr_version_major} -o \
         libspqr.so.%{spqr_version} ../SPQR/Lib/*.o \
         -L%{_libdir}/atlas -L%{_libdir} %{atlaslibs} \
-        %{?with_tbb:-ltbb} \
+        -ltbb \
         libcholmod.so.%{cholmod_version_major} \
         libsuitesparseconfig.so.%{SuiteSparse_config_major} -lm
     ln -sf libspqr.so.%{spqr_version} libspqr.so.%{spqr_version_major}
@@ -429,6 +432,10 @@ hardlink -cv Docs/ Licenses/
 %doc Doc/*
 
 %changelog
+* Thu Sep 22 2016 Jerry James <loganjerry@gmail.com> - 4.4.6-6
+- Rebuild for tbb 2017
+- tbb is available for all arches now
+
 * Fri Feb 05 2016 Fedora Release Engineering <releng@fedoraproject.org> - 4.4.6-5
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild