diff --git a/configure.ac b/configure.ac
index f2ac5fe..5ffaa8d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -12,6 +12,9 @@ AC_PREREQ(2.59)
 # The AC_CONFIG_HEADERS macro selects this kind of output.
 AC_CONFIG_HEADER(config.h)
 
+CFLAGS=-fPIC
+
+
 ###############################################################################
 ################# --enable-xxx and --with-xxx Argument ########################
 ###############################################################################
diff --git a/src/H5Fed.c b/src/H5Fed.c
index b8083b4..7328a2b 100644
--- a/src/H5Fed.c
+++ b/src/H5Fed.c
@@ -35,6 +35,7 @@
   \defgroup h5fed_c_api H5Fed C API
 */
 
+#include <stdarg.h>
 #include <hdf5.h>
 #include "h5/h5.h"
 #include "h5/h5_private.h"
diff --git a/src/H5Fed_storeretrieve.c b/src/H5Fed_storeretrieve.c
index ce68012..bc8695f 100644
--- a/src/H5Fed_storeretrieve.c
+++ b/src/H5Fed_storeretrieve.c
@@ -14,6 +14,7 @@
  
  */
 
+#include <stdarg.h>
 #include <hdf5.h>
 #include "h5/h5.h"
 #include "h5/h5_private.h"