diff --git a/llvm-remove-werror-date-time.patch b/llvm-remove-werror-date-time.patch
new file mode 100644
index 0000000..fd92bee
--- /dev/null
+++ b/llvm-remove-werror-date-time.patch
@@ -0,0 +1,14 @@
+Index: llvm-3.5.0.src/cmake/modules/HandleLLVMOptions.cmake
+===================================================================
+--- llvm-3.5.0.src.orig/cmake/modules/HandleLLVMOptions.cmake
++++ llvm-3.5.0.src/cmake/modules/HandleLLVMOptions.cmake
+@@ -302,9 +302,6 @@ elseif( LLVM_COMPILER_IS_GCC_COMPATIBLE
+     endif()
+   endif (LLVM_ENABLE_WARNINGS)
+   append_if(LLVM_ENABLE_WERROR "-Werror" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+-  if (NOT LLVM_ENABLE_TIMESTAMPS)
+-    add_flag_if_supported("-Werror=date-time" WERROR_DATE_TIME)
+-  endif ()
+   if (LLVM_ENABLE_CXX1Y)
+     check_cxx_compiler_flag("-std=c++1y" CXX_SUPPORTS_CXX1Y)
+     append_if(CXX_SUPPORTS_CXX1Y "-std=c++1y" CMAKE_CXX_FLAGS)
diff --git a/llvm.changes b/llvm.changes
index 85224b2..62f5de1 100644
--- a/llvm.changes
+++ b/llvm.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Wed Sep 17 11:01:31 UTC 2014 - idonmez@suse.com
+
+- Add llvm-remove-werror-date-time.patch to remove -Werror=date-time
+  for CXXFLAGS, gcc does not support it and it creeps into
+  llvm-config --cflags
+
 -------------------------------------------------------------------
 Wed Sep 17 10:53:20 UTC 2014 - idonmez@suse.com
 
diff --git a/llvm.spec b/llvm.spec
index 9c0cb2e..b786651 100644
--- a/llvm.spec
+++ b/llvm.spec
@@ -58,6 +58,7 @@ Patch9:         arm-remove-xfails.diff
 Patch10:        clang-resourcedirs.patch
 Patch11:        libcxxabi-exceptions.patch
 Patch12:        libcxx-libdir.patch
+Patch13:        llvm-remove-werror-date-time.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  binutils-devel >= 2.21.90
 BuildRequires:  bison
@@ -162,6 +163,7 @@ This package contains the Python bindings to clang (C language) frontend for LLV
 %patch10
 %patch11
 %patch12
+%patch13 -p1
 
 # Move into right place
 mv cfe-%{version}.src tools/clang