clang: fix lldb CMake when epydoc is present

See https://bugs.llvm.org/show_bug.cgi?id=43637

mingw-w64-clang/0510-fix-CMake-when-LLDB_DISABLE_PYTHON-if-ON-and-ep.patch

@@ -0,0 +1,39 @@
+From: oscar <oscar@wanadoo.es>
+Date: Thu, 10 Oct 2019 16:33:54 +0200
+Subject: [PATCH] lldb: fix CMake when LLDB_DISABLE_PYTHON if ON and epydoc is
+ present
+
+https://bugs.llvm.org/show_bug.cgi?id=43637
+
+---
+ docs/CMakeLists.txt | 6 ++++--
+ 1 file changed, 4 insertions(+), 2 deletions(-)
+
+diff --git a/docs/CMakeLists.txt b/docs/CMakeLists.txt
+index bfdd50badf6..a15f0e2db38 100644
+--- a/docs/CMakeLists.txt
++++ b/docs/CMakeLists.txt
+@@ -18,7 +18,11 @@ endif()
+ find_program(EPYDOC_EXECUTABLE NAMES epydoc epydoc.py)
+ if(EPYDOC_EXECUTABLE)
+   message(STATUS "Found epydoc - ${EPYDOC_EXECUTABLE}")
++else()
++  message(STATUS "Could NOT find epydoc")
++endif()
+ 
++if(NOT LLDB_DISABLE_PYTHON AND EPYDOC_EXECUTABLE)
+   find_program(DOT_EXECUTABLE dot)
+   if(DOT_EXECUTABLE)
+     set(EPYDOC_OPTIONS ${EPYDOC_OPTIONS} --graph all --dotpath ${DOT_EXECUTABLE})
+@@ -49,8 +53,6 @@ if(EPYDOC_EXECUTABLE)
+     COMMENT "Generating LLDB Python API reference with epydoc" VERBATIM
+   )
+   add_dependencies(lldb-python-doc swig_wrapper lldb-python-doc-package)
+-else()
+-  message(STATUS "Could NOT find epydoc")
+ endif()
+ 
+ if (LLVM_ENABLE_SPHINX)
+-- 
+2.23.0
+

mingw-w64-clang/PKGBUILD

@@ -91,6 +91,7 @@ source=(${_url}/$pkgver/llvm-${pkgver}.src.tar.xz{,.sig}
         "0507-declare-exports-for-all-windows-platforms.patch"
         "0508-add-share-header.patch"
         "0509-include-crtdbg.patch"
+        "0510-fix-CMake-when-LLDB_DISABLE_PYTHON-if-ON-and-ep.patch"
         "0601-fix-static-assert-macro.patch"
         "0701-disable-visibility-annotations.patch"
         "0801-Don-t-build-LLVMPolly-on-WIN32.patch")
@@ -154,6 +155,7 @@ sha256sums=('d6a0565cf21f22e9b4353b2eb92622e8365000a9e90a16b09b56f8157eabfe84'
             '78d52a2e11b3e6d0acbaab8b603921674dfed70062bf3aaf37ce1961de68d416'
             'dc656168d3e3067e57b342fbd9a9eb57dd95d8d8e540e7e66e48c3cea790bbb3'
             'f065285abd6bf5f67599a82f8c2338c57c1c5b4b3088b5d62c12356c3703f74e'
+            '963387da0ff24e167c91d193def2f5a7581dca41166f73b8914fcf8fd636101f'
             'b9727a84f6e412ef9ace5f1b4030ccbc8789a6f1ef74cc09f95dfa9118515b8a'
             'eaa7ad87e3f0fc9ff697c8865cce5c501fcb3a71a9a29c9497e444013163976f'
             'bc394e597f8939b6f6630bd88c990f951738aaadacded2f3be71c658e9608fe7')
@@ -230,7 +232,8 @@ prepare() {
       "0506-mingw-python-posix-like.patch" \
       "0507-declare-exports-for-all-windows-platforms.patch" \
       "0508-add-share-header.patch" \
-      "0509-include-crtdbg.patch"
+      "0509-include-crtdbg.patch" \
+      "0510-fix-CMake-when-LLDB_DISABLE_PYTHON-if-ON-and-ep.patch"
 
   cd "${srcdir}/libunwind-${pkgver}.src"
   apply_patch_with_msg \