Attempt to fix Sphinx build

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@281697 91177308-0d34-0410-b5e6-96231b3b80d8

docs/BuildingLibcxx.rst

@@ -144,26 +144,26 @@ libc++ specific options
 
   **Default**: ``OFF``
 
-  Build libc++ as a 32 bit library. Also see :option:`LLVM_BUILD_32_BITS`.
+  Build libc++ as a 32 bit library. Also see `LLVM_BUILD_32_BITS`.
 
 .. option:: LIBCXX_ENABLE_SHARED:BOOL
 
   **Default**: ``ON``
 
-  Build libc++ as a shared library. Either :option:`LIBCXX_ENABLE_SHARED` or
-  :option:`LIBCXX_ENABLE_STATIC` has to be enabled.
+  Build libc++ as a shared library. Either `LIBCXX_ENABLE_SHARED` or
+  `LIBCXX_ENABLE_STATIC` has to be enabled.
 
 .. option:: LIBCXX_ENABLE_STATIC:BOOL
 
   **Default**: ``ON``
 
-  Build libc++ as a static library. Either :option:`LIBCXX_ENABLE_SHARED` or
-  :option:`LIBCXX_ENABLE_STATIC` has to be enabled.
+  Build libc++ as a static library. Either `LIBCXX_ENABLE_SHARED` or
+  `LIBCXX_ENABLE_STATIC` has to be enabled.
 
 .. option:: LIBCXX_LIBDIR_SUFFIX:STRING
 
   Extra suffix to append to the directory where libraries are to be installed.
-  This option overrides :option:`LLVM_LIBDIR_SUFFIX`.
+  This option overrides `LLVM_LIBDIR_SUFFIX`.
 
 
 .. _libc++experimental options:

docs/Makefile.sphinx

@@ -5,7 +5,7 @@
 # out-of-tree builds.
 
 # You can set these variables from the command line.
-SPHINXOPTS    =
+SPHINXOPTS    = -n -W
 SPHINXBUILD   = sphinx-build
 PAPER         =
 BUILDDIR      = _build

docs/TestingLibcxx.rst

@@ -191,13 +191,13 @@ Environment Variables
 .. envvar:: LIBCXX_SITE_CONFIG=<path/to/lit.site.cfg>
 
   Specify the site configuration to use when running the tests.
-  Also see :option:`libcxx_site_config`.
+  Also see `libcxx_site_config`.
 
 .. envvar:: LIBCXX_COLOR_DIAGNOSTICS
 
   If ``LIBCXX_COLOR_DIAGNOSTICS`` is defined then the test suite will attempt
   to use color diagnostic outputs from the compiler.
-  Also see :option:`color_diagnostics`.
+  Also see `color_diagnostics`.
 
 Benchmarks
 ==========