Make c++11 value default for xsd --std option

Also add support for c++14, c++17, c++20, and c++23 values and drop passing
--std option in tests and examples.

7 files changed, 10 insertions, 10 deletions

diff --git a/xsd-examples/cxx/tree/custom/calendar/buildfile b/xsd-examples/cxx/tree/custom/calendar/buildfile
index 4085561..3309f6f 100644
--- a/xsd-examples/cxx/tree/custom/calendar/buildfile
+++ b/xsd-examples/cxx/tree/custom/calendar/buildfile
@@ -16,7 +16,7 @@ exe{driver}: xml{calendar}: test.input = true
 
 <{hxx ixx cxx}{calendar}>: xsd{calendar} $xsd
 {{
-  $xsd cxx-tree --std c++11               \
+  $xsd cxx-tree                           \
        --generate-inline                  \
        --extern-xml-schema xml-schema.xsd \
        --output-dir $out_base             \
@@ -30,7 +30,7 @@ hxx{xml-schema}: $xsd
   # Note that the specified xml-schema.xsd doesn't exist and is only used to
   # deduce the generated header name.
   #
-  $xsd cxx-tree --std c++11                              \
+  $xsd cxx-tree                                          \
        --generate-xml-schema                             \
        --custom-type date                                \
        --hxx-epilogue '#include "xml-schema-custom.hxx"' \
diff --git a/xsd-examples/cxx/tree/custom/comments/buildfile b/xsd-examples/cxx/tree/custom/comments/buildfile
index 93196d2..6edf81a 100644
--- a/xsd-examples/cxx/tree/custom/comments/buildfile
+++ b/xsd-examples/cxx/tree/custom/comments/buildfile
@@ -15,7 +15,7 @@ exe{driver}: xml{people}: test.input = true
 
 <{hxx ixx cxx}{people}>: xsd{people} $xsd
 {{
-  $xsd cxx-tree --std c++11               \
+  $xsd cxx-tree                           \
        --generate-inline                  \
        --generate-serialization           \
        --extern-xml-schema xml-schema.xsd \
@@ -30,7 +30,7 @@ hxx{xml-schema}: $xsd
   # Note that the specified xml-schema.xsd doesn't exist and is only used to
   # deduce the generated header name.
   #
-  $xsd cxx-tree --std c++11                              \
+  $xsd cxx-tree                                          \
        --generate-xml-schema                             \
        --generate-serialization                          \
        --custom-type anyType=/type_base                  \
diff --git a/xsd-examples/cxx/tree/custom/contacts/buildfile b/xsd-examples/cxx/tree/custom/contacts/buildfile
index 9835bbf..e401362 100644
--- a/xsd-examples/cxx/tree/custom/contacts/buildfile
+++ b/xsd-examples/cxx/tree/custom/contacts/buildfile
@@ -12,7 +12,7 @@ exe{driver}: xml{contacts}: test.input = true
 
 <{hxx ixx cxx}{contacts}>: xsd{contacts} $xsd
 {{
-  $xsd cxx-tree --std c++11                             \
+  $xsd cxx-tree                                         \
        --generate-inline                                \
         --custom-type contact=/contact_base             \
         --hxx-epilogue '#include "contacts-custom.hxx"' \
diff --git a/xsd-examples/cxx/tree/custom/double/buildfile b/xsd-examples/cxx/tree/custom/double/buildfile
index 03c8cde..0c33afe 100644
--- a/xsd-examples/cxx/tree/custom/double/buildfile
+++ b/xsd-examples/cxx/tree/custom/double/buildfile
@@ -13,7 +13,7 @@ exe{driver}: {hxx     cxx}{* -order -xml-schema} \
 
 <{hxx ixx cxx}{order}>: xsd{order} $xsd
 {{
-  $xsd cxx-tree --std c++11               \
+  $xsd cxx-tree                           \
        --generate-inline                  \
        --generate-serialization           \
        --extern-xml-schema xml-schema.xsd \
@@ -28,7 +28,7 @@ hxx{xml-schema}: $xsd
   # Note that the specified xml-schema.xsd doesn't exist and is only used to
   # deduce the generated header name.
   #
-  $xsd cxx-tree --std c++11                          \
+  $xsd cxx-tree                                      \
        --generate-xml-schema                         \
        --generate-serialization                      \
        --custom-type double=double                   \
diff --git a/xsd-examples/cxx/tree/custom/mixed/buildfile b/xsd-examples/cxx/tree/custom/mixed/buildfile
index 595f8b2..e5919fe 100644
--- a/xsd-examples/cxx/tree/custom/mixed/buildfile
+++ b/xsd-examples/cxx/tree/custom/mixed/buildfile
@@ -12,7 +12,7 @@ exe{driver}: xml{people}: test.input = true
 
 <{hxx ixx cxx}{people}>: xsd{people} $xsd
 {{
-  $xsd cxx-tree --std c++11                          \
+  $xsd cxx-tree                                      \
        --generate-inline                             \
        --generate-serialization                      \
        --custom-type bio=/bio_base                   \
diff --git a/xsd-examples/cxx/tree/custom/taxonomy/buildfile b/xsd-examples/cxx/tree/custom/taxonomy/buildfile
index 520470a..4068daa 100644
--- a/xsd-examples/cxx/tree/custom/taxonomy/buildfile
+++ b/xsd-examples/cxx/tree/custom/taxonomy/buildfile
@@ -12,7 +12,7 @@ exe{driver}: xml{people}: test.input = true
 
 <{hxx ixx cxx}{people} hxx{people-fwd}>: xsd{people} $xsd
 {{
-  $xsd cxx-tree --std c++11                                                \
+  $xsd cxx-tree                                                            \
        --generate-inline                                                   \
        --generate-forward                                                  \
        --generate-polymorphic                                              \
diff --git a/xsd-examples/cxx/tree/custom/wildcard/buildfile b/xsd-examples/cxx/tree/custom/wildcard/buildfile
index a0cd709..1bb5a8f 100644
--- a/xsd-examples/cxx/tree/custom/wildcard/buildfile
+++ b/xsd-examples/cxx/tree/custom/wildcard/buildfile
@@ -12,7 +12,7 @@ exe{driver}: xml{wildcard}: test.input = true
 
 <{hxx ixx cxx}{wildcard}>: xsd{wildcard} $xsd
 {{
-  $xsd cxx-tree --std c++11                            \
+  $xsd cxx-tree                                        \
        --generate-inline                               \
        --generate-serialization                        \
        --generate-ostream                              \