Turn off -W option due to intersphinx

dev-docs/CMakeLists.txt

@@ -8,11 +8,11 @@ set(DOCTREE_DIR ${CMAKE_CURRENT_BINARY_DIR}/doctree)
 # We try to execute Sphinx directly through python -m to avoid problems with the
 # startup scripts on Windows. They are not always reliable as they can have
 # hardcoded paths in them.
-# -W turns warnings into errors
+# -W turns warnings into errors, but there is an issue with getting the numpy intersphinx
 add_custom_target(dev-docs-${BUILDER}
                   COMMAND ${Python_EXECUTABLE} -m ${SPHINX_MAIN} ${SPHINX_NO_COLOR}
                           -w dev_docs_warnings.txt
-                          -W ${SPHINX_KEEPGOING} -b ${BUILDER}
+                          ${SPHINX_KEEPGOING} -b ${BUILDER}
                           -d ${DOCTREE_DIR} ${CMAKE_CURRENT_LIST_DIR}/source
                           ${OUT_DIR}
                   COMMENT "Building html developer documentation")

docs/CMakeLists.txt

@@ -49,8 +49,8 @@ function (add_sphinx_build_target builder math_renderer)
     set(conf_builder ${SPHINX_CONF_DIR}/conf-${builder}.py)
   endif()
 
-  # -W turns warnings into errors
-  set(sphinx_options -W ${SPHINX_NOCOLOR} ${SPHINX_KEEPGOING} -b ${builder} -d ${DOCTREES_DIR})
+  # -W turns warnings into errors, but there is an issue with getting the numpy intersphinx
+  set(sphinx_options ${SPHINX_NOCOLOR} ${SPHINX_KEEPGOING} -b ${builder} -d ${DOCTREES_DIR})
   # add a tag to differentiate between html/qthelp in conf
   if(ARGC GREATER 3)
     set(sphinx_options ${sphinx_options} -t ${ARGV3})