diff --git a/0001-docs-fix-cmake-code-block-warning.patch b/0001-docs-fix-cmake-code-block-warning.patch
new file mode 100644
index 0000000..da63112
--- /dev/null
+++ b/0001-docs-fix-cmake-code-block-warning.patch
@@ -0,0 +1,44 @@
+From f12c36b2bc2e1db86098c181b88b8003c595e63c Mon Sep 17 00:00:00 2001
+From: Renato Golin <renato.golin@linaro.org>
+Date: Wed, 20 Jul 2016 09:47:09 +0000
+Subject: [PATCH] [docs] fix cmake code-block warning
+
+This will unblock the llvm-sphinx-buildbot, which is currently failing due
+to a warning being treated as error.
+
+git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@276100 91177308-0d34-0410-b5e6-96231b3b80d8
+---
+ docs/CMakePrimer.rst | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/docs/CMakePrimer.rst b/docs/CMakePrimer.rst
+index 0347790..1e3a09e 100644
+--- a/docs/CMakePrimer.rst
++++ b/docs/CMakePrimer.rst
+@@ -246,11 +246,11 @@ In general CMake if blocks work the way you'd expect:
+ .. code-block:: cmake
+ 
+   if(<condition>)
+-    .. do stuff
++    message("do stuff")
+   elseif(<condition>)
+-    .. do other stuff
++    message("do other stuff")
+   else()
+-    .. do other other stuff
++    message("do other other stuff")
+   endif()
+ 
+ The single most important thing to know about CMake's if blocks coming from a C
+@@ -265,7 +265,7 @@ The most common form of the CMake ``foreach`` block is:
+ .. code-block:: cmake
+ 
+   foreach(var ...)
+-    .. do stuff
++    message("do stuff")
+   endforeach()
+ 
+ The variable argument portion of the ``foreach`` block can contain dereferenced
+-- 
+2.5.5
+
diff --git a/llvm.spec b/llvm.spec
index 19890db..d546a1a 100644
--- a/llvm.spec
+++ b/llvm.spec
@@ -22,6 +22,7 @@ Patch0:		llvm-3.7.1-cmake-s390.patch
 Patch1:		0001-This-code-block-breaks-the-docs-build-http-lab.llvm..patch
 Patch2:		0001-fix-docs-2.patch
 Patch3:		0001-fix-docs-3.patch
+Patch4:		0001-docs-fix-cmake-code-block-warning.patch
 
 BuildRequires:	cmake
 BuildRequires:	zlib-devel
@@ -77,6 +78,7 @@ Static libraries for the LLVM compiler infrastructure.
 %patch1 -p1 -b .sphinx
 %patch2 -p1 -b .docs2
 %patch3 -p1 -b .docs3
+%patch4 -p1 -b .docs4
 
 %build
 mkdir -p _build