Help: Fix broken cross-references reported by 'nitpicky' option

Enable the Sphinx 'nitpicky' option and fix the resulting warnings about
dangling references.

Help/command/target_compile_options.rst

@@ -12,8 +12,8 @@ Add compile options to a target.
 Specify compile options to use when compiling a given target.  The
 named ``<target>`` must have been created by a command such as
 :command:`add_executable` or :command:`add_library` and must not be an
-:prop_tgt:`IMPORTED Target`.  If ``BEFORE`` is specified, the content will
-be prepended to the property instead of being appended.
+:ref:`IMPORTED Target <Imported Targets>`.  If ``BEFORE`` is specified,
+the content will be prepended to the property instead of being appended.
 
 This command can be used to add any options, but
 alternative commands exist to add preprocessor definitions

Help/command/target_sources.rst

@@ -12,7 +12,7 @@ Add sources to a target.
 Specify sources to use when compiling a given target.  The
 named ``<target>`` must have been created by a command such as
 :command:`add_executable` or :command:`add_library` and must not be an
-:prop_tgt:`IMPORTED Target`.
+:ref:`IMPORTED Target <Imported Targets>`.
 
 The ``INTERFACE``, ``PUBLIC`` and ``PRIVATE`` keywords are required to
 specify the scope of the following arguments.  ``PRIVATE`` and ``PUBLIC``

Help/prop_sf/AUTOUIC_OPTIONS.rst

@@ -6,7 +6,7 @@ Additional options for ``uic`` when using :prop_tgt:`AUTOUIC`
 This property holds additional command line options
 which will be used when ``uic`` is executed during the build via :prop_tgt:`AUTOUIC`,
 i.e. it is equivalent to the optional ``OPTIONS`` argument of the
-:module:`qt4_wrap_ui()<FindQt4>` macro.
+:module:`qt4_wrap_ui() <FindQt4>` macro.
 
 By default it is empty.
 

Modules/CPackIFW.cmake

@@ -96,7 +96,7 @@
 #
 #  If this is ``ON`` all components will be downloaded.
 #  By default is ``OFF`` or used value
-#  from :variable:`CPACK_DOWNLOAD_ALL` if set
+#  from ``CPACK_DOWNLOAD_ALL`` if set
 #
 # Components
 # """"""""""

Modules/FindQt4.cmake

@@ -23,7 +23,7 @@
 # .. note::
 #
 #  When using :prop_tgt:`IMPORTED` targets, the qtmain.lib static library is
-#  automatically linked on Windows for :variable:`WIN32 <WIN32_EXECUTABLE>`
+#  automatically linked on Windows for :prop_tgt:`WIN32 <WIN32_EXECUTABLE>`
 #  executables. To disable that globally, set the
 #  ``QT4_NO_LINK_QTMAIN`` variable before finding Qt4. To disable that
 #  for a particular executable, set the ``QT4_NO_LINK_QTMAIN`` target

Utilities/Sphinx/conf.py.in

@@ -31,6 +31,8 @@ exclude_patterns = []
 extensions = ['cmake']
 templates_path = ['@conf_path@/templates']
 
+nitpicky = True
+
 cmake_manuals = sorted(glob.glob(r'@conf_docs@/manual/*.rst'))
 cmake_manual_description = re.compile('^\.\. cmake-manual-description:(.*)$')
 man_pages = []