diff --git a/Makefile.in b/Makefile.in
index ace61b063..e199b417b 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -176,7 +176,7 @@ endif
 	rm -rf autom4te.cache
 
 cppcheck: $(O:.o=.cc) $(srcdir)/dosify.c $(srcdir)/version.c
-	cppcheck --enable=all --std=c99 --std=c++03 -f \
+	cppcheck --enable=all --std=c99 --std=c++11 -f \
 	         --suppressions-list=$(srcdir)/cppcheck.sup \
 	         -UYYPARSE_PARAM -UYYPRINT -Ushort -Usize_t -Uyyoverflow \
 	         -UYYTYPE_INT8 -UYYTYPE_INT16 -UYYTYPE_UINT8 -UYYTYPE_UINT16 \
diff --git a/cadpli/Makefile.in b/cadpli/Makefile.in
index 879aa5105..e1d2ac69e 100644
--- a/cadpli/Makefile.in
+++ b/cadpli/Makefile.in
@@ -59,7 +59,7 @@ distclean: clean
 	rm -f Makefile config.log
 
 cppcheck: $(O:.o=.c)
-	cppcheck --enable=all --std=c99 --std=c++03 -f $(INCLUDE_PATH) $^
+	cppcheck --enable=all --std=c99 --std=c++11 -f $(INCLUDE_PATH) $^
 
 Makefile: $(srcdir)/Makefile.in ../config.status
 	cd ..; ./config.status --file=cadpli/$@
diff --git a/driver-vpi/Makefile.in b/driver-vpi/Makefile.in
index c259cfb0b..834c54860 100644
--- a/driver-vpi/Makefile.in
+++ b/driver-vpi/Makefile.in
@@ -66,7 +66,7 @@ distclean: clean
 	rm -f Makefile config.log
 
 cppcheck: main.c
-	cppcheck --enable=all --std=c99 --std=c++03 -f $(INCLUDE_PATH) $^
+	cppcheck --enable=all --std=c99 --std=c++11 -f $(INCLUDE_PATH) $^
 
 Makefile: $(srcdir)/Makefile.in ../config.status
 	cd ..; ./config.status --file=driver-vpi/$@
diff --git a/driver/Makefile.in b/driver/Makefile.in
index 3bb9afe99..a41868cf8 100644
--- a/driver/Makefile.in
+++ b/driver/Makefile.in
@@ -67,7 +67,7 @@ distclean: clean
 	rm -f Makefile config.log
 
 cppcheck: $(O:.o=.c)
-	cppcheck --enable=all --std=c99 --std=c++03 -f \
+	cppcheck --enable=all --std=c99 --std=c++11 -f \
 	         -UYY_USER_INIT \
 	         -UYYPARSE_PARAM -UYYPRINT -Ushort -Uyyoverflow \
 	         -UYYTYPE_INT8 -UYYTYPE_INT16 -UYYTYPE_UINT8 -UYYTYPE_UINT16 \
diff --git a/ivlpp/Makefile.in b/ivlpp/Makefile.in
index a48954250..c5580b665 100644
--- a/ivlpp/Makefile.in
+++ b/ivlpp/Makefile.in
@@ -60,7 +60,7 @@ distclean: clean
 	rm -f Makefile config.log
 
 cppcheck: $(O:.o=.c)
-	cppcheck --enable=all --std=c99 --std=c++03 -f $(INCLUDE_PATH) $^
+	cppcheck --enable=all --std=c99 --std=c++11 -f $(INCLUDE_PATH) $^
 
 Makefile: $(srcdir)/Makefile.in ../config.status
 	cd ..; ./config.status --file=ivlpp/$@
diff --git a/libveriuser/Makefile.in b/libveriuser/Makefile.in
index 467166398..112e6384e 100644
--- a/libveriuser/Makefile.in
+++ b/libveriuser/Makefile.in
@@ -76,7 +76,7 @@ distclean: clean
 	rm -f config.h stamp-config-h
 
 cppcheck: $(O:.o=.c)
-	cppcheck --enable=all --std=c99 --std=c++03 -f \
+	cppcheck --enable=all --std=c99 --std=c++11 -f \
 	         --suppressions-list=$(srcdir)/cppcheck.sup \
 	         --relative-paths=$(srcdir) $(INCLUDE_PATH) $^
 
diff --git a/tgt-blif/Makefile.in b/tgt-blif/Makefile.in
index 98865c138..9908466a2 100644
--- a/tgt-blif/Makefile.in
+++ b/tgt-blif/Makefile.in
@@ -58,7 +58,7 @@ distclean: clean
 	rm -f Makefile config.log
 
 cppcheck: $(O:.o=.cc)
-	cppcheck --enable=all --std=c99 --std=c++03 -f \
+	cppcheck --enable=all --std=c99 --std=c++11 -f \
 	         --suppressions-list=$(srcdir)/cppcheck.sup \
 	         --relative-paths=$(srcdir) $(INCLUDE_PATH) $^
 
diff --git a/tgt-fpga/Makefile.in b/tgt-fpga/Makefile.in
index 95b69e689..c68f02b06 100644
--- a/tgt-fpga/Makefile.in
+++ b/tgt-fpga/Makefile.in
@@ -61,7 +61,7 @@ distclean: clean
 	rm -f Makefile config.log
 
 cppcheck: $(O:.o=.c)
-	cppcheck --enable=all --std=c99 --std=c++03 -f \
+	cppcheck --enable=all --std=c99 --std=c++11 -f \
 	         --suppressions-list=$(srcdir)/cppcheck.sup \
 	         --relative-paths=$(srcdir) $(INCLUDE_PATH) $^
 
diff --git a/tgt-null/Makefile.in b/tgt-null/Makefile.in
index 897d1d7f0..50fbfa674 100644
--- a/tgt-null/Makefile.in
+++ b/tgt-null/Makefile.in
@@ -56,7 +56,7 @@ distclean: clean
 	rm -f Makefile config.log
 
 cppcheck: $(O:.o=.c)
-	cppcheck --enable=all --std=c99 --std=c++03 -f \
+	cppcheck --enable=all --std=c99 --std=c++11 -f \
 	         --suppressions-list=$(srcdir)/cppcheck.sup \
 	         --relative-paths=$(srcdir) $(INCLUDE_PATH) $^
 
diff --git a/tgt-pal/Makefile.in b/tgt-pal/Makefile.in
index f33a6aa68..9ad2698bf 100644
--- a/tgt-pal/Makefile.in
+++ b/tgt-pal/Makefile.in
@@ -55,7 +55,7 @@ distclean: clean
 	rm -f Makefile config.log
 
 cppcheck: $(O:.o=.c)
-	cppcheck --enable=all --std=c99 --std=c++03 -f \
+	cppcheck --enable=all --std=c99 --std=c++11 -f \
 	         --suppressions-list=$(srcdir)/cppcheck.sup \
 	         --relative-paths=$(srcdir) $(INCLUDE_PATH) $^
 
diff --git a/tgt-pcb/Makefile.in b/tgt-pcb/Makefile.in
index 32ee044cd..5b6c77157 100644
--- a/tgt-pcb/Makefile.in
+++ b/tgt-pcb/Makefile.in
@@ -61,7 +61,7 @@ distclean: clean
 	rm -f stamp-pcb_config-h pcb_config.h
 
 cppcheck: $(O:.o=.cc)
-	cppcheck --enable=all --std=c99 --std=c++03 -f \
+	cppcheck --enable=all --std=c99 --std=c++11 -f \
 	         --suppressions-list=$(srcdir)/cppcheck.sup \
 	         -UYY_USER_INIT \
 	         -UYYPARSE_PARAM -UYYPRINT -Ushort -Usize_t -Uyyoverflow \
diff --git a/tgt-sizer/Makefile.in b/tgt-sizer/Makefile.in
index c24044880..f11f994b5 100644
--- a/tgt-sizer/Makefile.in
+++ b/tgt-sizer/Makefile.in
@@ -56,7 +56,7 @@ distclean: clean
 	rm -f Makefile config.log
 
 cppcheck: $(O:.o=.cc)
-	cppcheck --enable=all --std=c99 --std=c++03 -f \
+	cppcheck --enable=all --std=c99 --std=c++11 -f \
 	         --suppressions-list=$(srcdir)/cppcheck.sup \
 	         --relative-paths=$(srcdir) $(INCLUDE_PATH) $^
 
diff --git a/tgt-stub/Makefile.in b/tgt-stub/Makefile.in
index 5b749490e..632308dd4 100644
--- a/tgt-stub/Makefile.in
+++ b/tgt-stub/Makefile.in
@@ -57,7 +57,7 @@ distclean: clean
 	rm -f Makefile config.log
 
 cppcheck: $(O:.o=.c)
-	cppcheck --enable=all --std=c99 --std=c++03 -f \
+	cppcheck --enable=all --std=c99 --std=c++11 -f \
 	         --suppressions-list=$(srcdir)/cppcheck.sup \
 	         --relative-paths=$(srcdir) $(INCLUDE_PATH) $^
 
diff --git a/tgt-verilog/Makefile.in b/tgt-verilog/Makefile.in
index d6fdd17c6..0a04a6f47 100644
--- a/tgt-verilog/Makefile.in
+++ b/tgt-verilog/Makefile.in
@@ -55,7 +55,7 @@ distclean: clean
 	rm -f Makefile config.log
 
 cppcheck: $(O:.o=.c)
-	cppcheck --enable=all --std=c99 --std=c++03 -f \
+	cppcheck --enable=all --std=c99 --std=c++11 -f \
 	         --suppressions-list=$(srcdir)/cppcheck.sup \
 	         --relative-paths=$(srcdir) $(INCLUDE_PATH) $^
 
diff --git a/tgt-vhdl/Makefile.in b/tgt-vhdl/Makefile.in
index 20af2b1fd..34196baf8 100644
--- a/tgt-vhdl/Makefile.in
+++ b/tgt-vhdl/Makefile.in
@@ -60,7 +60,7 @@ distclean: clean
 	rm -f stamp-vhdl_config-h vhdl_config.h
 
 cppcheck: $(O:.o=.cc)
-	cppcheck --enable=all --std=c99 --std=c++03 -f \
+	cppcheck --enable=all --std=c99 --std=c++11 -f \
 	         --suppressions-list=$(srcdir)/cppcheck.sup \
 	         --relative-paths=$(srcdir) $(INCLUDE_PATH) $^
 
diff --git a/tgt-vlog95/Makefile.in b/tgt-vlog95/Makefile.in
index 06ccd9965..678c23d40 100644
--- a/tgt-vlog95/Makefile.in
+++ b/tgt-vlog95/Makefile.in
@@ -56,7 +56,7 @@ distclean: clean
 	rm -f Makefile config.log
 
 cppcheck: $(O:.o=.c)
-	cppcheck --enable=all --std=c99 --std=c++03 -f \
+	cppcheck --enable=all --std=c99 --std=c++11 -f \
 	         --suppressions-list=$(srcdir)/cppcheck.sup \
 	         --relative-paths=$(srcdir) $(INCLUDE_PATH) $^
 
diff --git a/tgt-vvp/Makefile.in b/tgt-vvp/Makefile.in
index 251b0dcc1..bf458f272 100644
--- a/tgt-vvp/Makefile.in
+++ b/tgt-vvp/Makefile.in
@@ -64,7 +64,7 @@ distclean: clean
 	rm -f stamp-vvp_config-h vvp_config.h
 
 cppcheck: $(O:.o=.c)
-	cppcheck --enable=all --std=c99 --std=c++03 -f \
+	cppcheck --enable=all --std=c99 --std=c++11 -f \
 	         --suppressions-list=$(srcdir)/cppcheck.sup \
 	         --relative-paths=$(srcdir) $(INCLUDE_PATH) $^
 
diff --git a/vhdlpp/Makefile.in b/vhdlpp/Makefile.in
index 6119f5f5c..ab645c6ff 100644
--- a/vhdlpp/Makefile.in
+++ b/vhdlpp/Makefile.in
@@ -85,7 +85,7 @@ distclean: clean
 	rm -f stamp-vhdlpp_config-h vhdlpp_config.h
 
 cppcheck: $(O:.o=.cc)
-	cppcheck --enable=all --std=c99 --std=c++03 -f \
+	cppcheck --enable=all --std=c99 --std=c++11 -f \
 	         -UYY_USER_INIT \
 	         -UYYPARSE_PARAM -UYYPRINT -Ushort -Usize_t -Uyyoverflow \
 	         -UYYTYPE_INT8 -UYYTYPE_INT16 -UYYTYPE_UINT8 -UYYTYPE_UINT16 \
diff --git a/vpi/Makefile.in b/vpi/Makefile.in
index bbb9d6db3..2440ac44a 100644
--- a/vpi/Makefile.in
+++ b/vpi/Makefile.in
@@ -103,7 +103,7 @@ distclean: clean
 # The -U flag is used to skip checking paths that depend on that define having
 # an explicit value (i.e. the define is expected to be real code).
 cppcheck: $(O:.o=.c) $(OPP:.o=.cc) $(M:.o=.c) $(V:.o=.c)
-	cppcheck --enable=all --std=c99 --std=c++03 -f \
+	cppcheck --enable=all --std=c99 --std=c++11 -f \
 	         --suppressions-list=$(srcdir)/cppcheck.sup \
 	         -UYY_USER_INIT \
 	         -UYYPARSE_PARAM -UYYPRINT -Ushort -Uyyoverflow \
diff --git a/vvp/Makefile.in b/vvp/Makefile.in
index 3dbd57b2f..cb33eca67 100644
--- a/vvp/Makefile.in
+++ b/vvp/Makefile.in
@@ -106,7 +106,7 @@ distclean: clean
 	rm -f stamp-config-h config.h
 
 cppcheck: $(O:.o=.cc) draw_tt.c
-	cppcheck --enable=all --std=c99 --std=c++03 -f \
+	cppcheck --enable=all --std=c99 --std=c++11 -f \
 	         --suppressions-list=$(srcdir)/cppcheck.sup \
 	         -UMODULE_DIR1 -UMODULE_DIR2 -UYY_USER_INIT \
 	         -UYYPARSE_PARAM -UYYPRINT -Ushort -Usize_t -Uyyoverflow \