bpo-43774: Add more links to configure options (GH-25363)

diff --git a/Doc/using/configure.rst b/Doc/using/configure.rst
index 85c9018..e7fad7f 100644
--- a/Doc/using/configure.rst
+++ b/Doc/using/configure.rst
@@ -19,7 +19,10 @@
 .. cmdoption:: --enable-loadable-sqlite-extensions
 
    Support loadable extensions in the :mod:`_sqlite` extension module (default
-   is no), see the :mod:`sqlite3` module.
+   is no).
+
+   See the :meth:`sqlite3.Connection.enable_load_extension` method of the
+   :mod:`sqlite3` module.
 
    .. versionadded:: 3.6
 
@@ -54,8 +57,9 @@
 
 .. cmdoption:: --with-tzpath=<list of absolute paths separated by pathsep>
 
-   Select the default time zone search path for :data:`zoneinfo.TZPATH`,
-   see the :mod:`zoneinfo` module.
+   Select the default time zone search path for :data:`zoneinfo.TZPATH`.
+   See the :ref:`Compile-time configuration
+   <zoneinfo_data_compile_time_config>` of the :mod:`zoneinfo` module.
 
    Default: ``/usr/share/zoneinfo:/usr/lib/zoneinfo:/usr/share/lib/zoneinfo:/etc/zoneinfo``.
 
@@ -287,6 +291,9 @@
 
    Enable DTrace support (default is no).
 
+   See :ref:`Instrumenting CPython with DTrace and SystemTap
+   <instrumentation>`.
+
    .. versionadded:: 3.6
 
 .. cmdoption:: --with-address-sanitizer
diff --git a/Doc/using/unix.rst b/Doc/using/unix.rst
index b5b26ec..09dd5b0 100644
--- a/Doc/using/unix.rst
+++ b/Doc/using/unix.rst
@@ -168,6 +168,7 @@
          $ popd
 
 3. Build Python with custom OpenSSL
+   (see the configure `--with-openssl` and `--with-openssl-rpath` options)
 
    .. code-block:: shell-session