--- /dev/null
+From 5e8024c683891be677075d74cedfbf424e36bc31 Mon Sep 17 00:00:00 2001
+From: mirabilos <tg@debian.org>
+Date: Sun, 4 Mar 2018 16:38:21 +0100
+Subject: [PATCH] Fix numerous reports of missing all.h during compilation
+
+When disabling PCH, the all.h copying code is no longer run before
+AUTOMOC=caused *_autogen targets, so we must run it earlier.
+
+From Debian
+---
+ CMakeLists.txt | 7 ++-----
+ 1 file changed, 2 insertions(+), 5 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 66b0ddfce8..7fdfffcc9b 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -553,11 +553,8 @@ endif (NOT MINGW AND NOT APPLE)
+ #
+
+ # all.h is expected in PROJECT_BINARY_DIR by subdirs
+-add_custom_command(
+- OUTPUT ${PROJECT_BINARY_DIR}/all.h
+- COMMAND ${CMAKE_COMMAND}
+- ARGS -E copy ${PROJECT_SOURCE_DIR}/all.h ${PROJECT_BINARY_DIR}/all.h
+- DEPENDS ${PROJECT_SOURCE_DIR}/all.h
++execute_process(
++ COMMAND ${CMAKE_COMMAND} -E copy ${PROJECT_SOURCE_DIR}/all.h ${PROJECT_BINARY_DIR}/all.h
+ WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
+ )
+
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