diff --git a/CMakeLists.txt b/CMakeLists.txt
index d1f59f701..683683a6e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -469,12 +469,16 @@ FILE(READ "${CMAKE_CURRENT_BINARY_DIR}/libpio.settings"
   LIBPIO_SETTINGS)
 MESSAGE(STATUS ${LIBPIO_SETTINGS})
 
+# Set RPATH for shared libraries
+set(CMAKE_MACOSX_RPATH 1)
+set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
+
 # Install libpio.settings file into same location
 # as the libraries.
 INSTALL(FILES "${PIO_BINARY_DIR}/libpio.settings"
   DESTINATION lib
   COMPONENT libraries)
-
+  
 #####
 # Create pio_meta.h include file.
 #####
diff --git a/src/clib/pio_internal.h b/src/clib/pio_internal.h
index c360ae4e4..79cc48eb2 100644
--- a/src/clib/pio_internal.h
+++ b/src/clib/pio_internal.h
@@ -17,11 +17,13 @@
 #include <limits.h>
 #include <math.h>
 #include <netcdf.h>
-#ifdef _NETCDF4
-#include <netcdf_par.h>
+#ifdef PIO_HAS_PAR_FILTERS
 #include <netcdf_filter.h>
 #include <netcdf_meta.h>
 #endif
+#ifdef _NETCDF4
+#include <netcdf_par.h>
+#endif
 #ifdef _PNETCDF
 #include <pnetcdf.h>
 #endif
diff --git a/tests/performance/pioperformance.F90 b/tests/performance/pioperformance.F90
index 39b197098..7f09919ed 100644
--- a/tests/performance/pioperformance.F90
+++ b/tests/performance/pioperformance.F90
@@ -151,7 +151,7 @@ subroutine pioperformancetest(filename, piotypes, mype, npe_base, &
     integer(kind=PIO_Offset_kind) :: maplen, gmaplen
     integer :: ndims
     integer, pointer :: gdims(:)
-    character(len=20) :: fname
+    character(len=24) :: fname
     type(var_desc_t) :: vari(nvars), varr(nvars), vard(nvars)
     type(iosystem_desc_t) :: iosystem
     integer :: stride, n
@@ -266,7 +266,7 @@ subroutine pioperformancetest(filename, piotypes, mype, npe_base, &
 
                 call pio_init(mype, comm, ntasks, 0, stride, PIO_REARR_SUBSET, iosystem)
 
-                write(fname, '(a,i1,a,i4.4,a,i1,a)') 'pioperf.',rearr,'-',ntasks,'-',k,'.nc'
+                write(fname, '(a,i1,a,i6.6,a,i1,a)') 'pioperf.',rearr,'-',ntasks,'-',iotype,'.nc'
 
                 call PIO_set_hint(iosystem, "nc_var_align_size", "1")
                 
@@ -379,7 +379,7 @@ subroutine pioperformancetest(filename, piotypes, mype, npe_base, &
 ! Now the Read
 #ifdef DOREAD
 
-                write(fname, '(a,i1,a,i4.4,a,i1,a)') 'pioperf.',rearr,'-',ntasks,'-',iotype,'.nc'
+                write(fname, '(a,i1,a,i6.6,a,i1,a)') 'pioperf.',rearr,'-',ntasks,'-',iotype,'.nc'
 
                 ierr = PIO_OpenFile(iosystem, File, iotype, trim(fname), mode=PIO_NOWRITE);
                 do nv=1,nvars