docs: Fix Sphinx detection with out-of-tree builds

Adapt to changes made in r302499.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@302500 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/CMakeLists.txt b/docs/CMakeLists.txt
index 13b79fdfa5343738c74853c5dc9b43e99127a5c1..d2956c18f80c558ed583ddefce1a14fe9d7f6c0e 100644 (file)
--- a/docs/CMakeLists.txt
+++ b/docs/CMakeLists.txt
@@ -91,8 +91,8 @@ endif()
 endif()
 
 if (LLVM_ENABLE_SPHINX)
+  include(AddSphinxTarget)
   if (SPHINX_FOUND)
-    include(AddSphinxTarget)
     if (${SPHINX_OUTPUT_HTML})
       add_sphinx_target(html clang)
       add_custom_command(TARGET docs-clang-html POST_BUILD