Index: /issm/trunk-jpl/m4/issm_options.m4
===================================================================
--- /issm/trunk-jpl/m4/issm_options.m4	(revision 25541)
+++ /issm/trunk-jpl/m4/issm_options.m4	(revision 25542)
@@ -278,5 +278,5 @@
 			export CC=icc
 			export CXX=icpc
-			export CXXFLAGS="-O3 -D_INTEL_LINUX_"
+			export CXXFLAGS="-O3 -D_INTEL_LINUX_ -std=c++11"
 			export CFLAGS="-O3 -D_INTEL_LINUX_"
 		elif test "${VENDOR}" == "intel-acenet"; then
@@ -288,8 +288,8 @@
 			export CC=gcc
 			export CXX=g++
-			export CXXFLAGS="-O3 -march=corei7-avx"
+			export CXXFLAGS="-O3 -march=corei7-avx -std=c++11"
 			export CFLAGS="-O3 -march=corei7-avx"
 		elif test "${VENDOR}" == "intel-pleiades-icpc"; then
-			export CXXFLAGS="-g -O3 -ipo -axAVX -ipo -no-inline-min-size -inline-max-size=345 -no-inline-max-total-size -no-inline-max-per-routine -no-inline-max-per-compile -restrict"
+			export CXXFLAGS="-g -O3 -ipo -axAVX -ipo -no-inline-min-size -inline-max-size=345 -no-inline-max-total-size -no-inline-max-per-routine -no-inline-max-per-compile -restrict -std=c++11"
 			export CFLAGS="-g -O3 -ipo -axAVX -ipo -no-inline-min-size -inline-max-size=345 -no-inline-max-total-size -no-inline-max-per-routine -no-inline-max-per-compile -restrict"
 			AC_DEFINE([_HAVE_RESTRICT_], [1], [with restrict buffers])