diff --git a/cmake/arch.cmake b/cmake/arch.cmake
index 527d2bec6..52fb64eaa 100644
--- a/cmake/arch.cmake
+++ b/cmake/arch.cmake
@@ -49,7 +49,18 @@ if (DYNAMIC_ARCH)
   endif ()
 
   if (X86_64)
-    set(DYNAMIC_CORE PRESCOTT CORE2 PENRYN DUNNINGTON NEHALEM OPTERON OPTERON_SSE3 BARCELONA BOBCAT ATOM NANO)
+    set(DYNAMIC_CORE PRESCOTT CORE2)
+    if (DYNAMIC_OLDER)
+	set (DYNAMIC_CORE ${DYNAMIC_CORE} PENRYN DUNNINGTON)
+    endif ()
+    set (DYNAMIC_CORE ${DYNAMIC_CORE} NEHALEM)
+    if (DYNAMIC_OLDER)
+	set (DYNAMIC_CORE ${DYNAMIC_CORE} OPTERON OPTERON_SSE3)
+    endif ()
+    set (DYNAMIC_CORE ${DYNAMIC_CORE} BARCELONA) 
+    if (DYNAMIC_OLDER)
+	set (DYNAMIC_CORE ${DYNAMIC_CORE} BOBCAT ATOM NANO)
+    endif ()
     if (NOT NO_AVX)
       set(DYNAMIC_CORE ${DYNAMIC_CORE} SANDYBRIDGE BULLDOZER PILEDRIVER STEAMROLLER EXCAVATOR)
     endif ()
diff --git a/cmake/openblas.pc.in b/cmake/openblas.pc.in
index 35973b09b..ca88a6d5f 100644
--- a/cmake/openblas.pc.in
+++ b/cmake/openblas.pc.in
@@ -1,7 +1,7 @@
 libdir=@CMAKE_INSTALL_FULL_LIBDIR@
 includedir=@CMAKE_INSTALL_FULL_INCLUDEDIR@
 
-openblas_config=USE_64BITINT=@USE_64BITINT@ NO_CBLAS=@NO_CBLAS@ NO_LAPACK=@NO_LAPACK@ NO_LAPACKE=@NO_LAPACKE@ DYNAMIC_ARCH=@DYNAMIC_ARCH@ NO_AFFINITY=@NO_AFFINITY@ USE_OPENMP=@USE_OPENMP@ @CORE@ MAX_THREADS=@NUM_THREADS@ 
+openblas_config=USE_64BITINT=@USE_64BITINT@ NO_CBLAS=@NO_CBLAS@ NO_LAPACK=@NO_LAPACK@ NO_LAPACKE=@NO_LAPACKE@ DYNAMIC_ARCH=@DYNAMIC_ARCH@ DYNAMIC_OLDER=@DYNAMIC_OLDER@ NO_AFFINITY=@NO_AFFINITY@ USE_OPENMP=@USE_OPENMP@ @CORE@ MAX_THREADS=@NUM_THREADS@ 
 Name: OpenBLAS
 Description: OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version
 Version: @OPENBLAS_VERSION@
diff --git a/cmake/system.cmake b/cmake/system.cmake
index c21fe7c14..48e8f75bc 100644
--- a/cmake/system.cmake
+++ b/cmake/system.cmake
@@ -163,6 +163,9 @@ endif ()
 
 if (DYNAMIC_ARCH)
   set(CCOMMON_OPT "${CCOMMON_OPT} -DDYNAMIC_ARCH")
+  if (DYNAMIC_OLDER)
+    set(CCOMMON_OPT "${CCOMMON_OPT} -DDYNAMIC_OLDER")
+  endif ()
 endif ()
 
 if (NO_LAPACK)