diff --git a/configure.ac b/configure.ac
index 5ef6fa8d..f9283a32 100644
--- a/configure.ac
+++ b/configure.ac
@@ -26,10 +26,9 @@ AC_LANG(C++)
 AC_PROG_CXX
 AC_OPENMP
 AC_PROG_RANLIB
-AX_CXX_COMPILE_STDCXX_11(noext, mandatory)
+#AX_CXX_COMPILE_STDCXX_11(noext, mandatory)
 AX_EXT
 
-
 # Checks for libraries.
 #AX_GCC_VAR_ATTRIBUTE(aligned)
 
@@ -66,7 +65,6 @@ AC_CHECK_LIB([mpfr],[mpfr_init],,
 Please install or provide the correct path to your installation
 Info at: http://www.mpfr.org/)])
 
-
 AC_ARG_ENABLE([simd],[AC_HELP_STRING([--enable-simd=SSE4|AVX|AVX2|AVX512|MIC],\
 	[Select instructions to be SSE4.0, AVX 1.0, AVX 2.0+FMA, AVX 512, MIC])],\
 	[ac_SIMD=${enable_simd}],[ac_SIMD=AVX2])
@@ -155,15 +153,15 @@ AM_CONDITIONAL(BUILD_COMMS_NONE,[ test "X${ac_COMMS}X" == "XnoneX" ])
 ###################################################################
 # Checks for doxygen support
 # if present enables the "make doxyfile" command
-echo
-echo Checking doxygen support 
-echo :::::::::::::::::::::::::::::::::::::::::::
-AC_PROG_DOXYGEN
+#echo
+#echo Checking doxygen support 
+#echo :::::::::::::::::::::::::::::::::::::::::::
+#AC_PROG_DOXYGEN
 
-if test -n "$DOXYGEN"
-then
-AC_CONFIG_FILES([docs/doxy.cfg])
-fi
+#if test -n "$DOXYGEN"
+#then
+#AC_CONFIG_FILES([docs/doxy.cfg])
+#fi
 
 echo
 echo Creating configuration files
diff --git a/lib/algorithms/approx/Remez.h b/lib/algorithms/approx/Remez.h
index 4e8ae3c9..f88c5675 100644
--- a/lib/algorithms/approx/Remez.h
+++ b/lib/algorithms/approx/Remez.h
@@ -15,6 +15,8 @@
 #ifndef INCLUDED_ALG_REMEZ_H
 #define INCLUDED_ALG_REMEZ_H
 
+#include <stddef.h>
+
 #include <algorithms/approx/bigfloat.h>
 
 #define JMAX 10000 //Maximum number of iterations of Newton's approximation