From 6a0605c71126b15e607cc57d3e589ffc693f5c0e Mon Sep 17 00:00:00 2001
From: Sebastian Holtermann <sebholt@xwmw.org>
Date: Tue, 8 Aug 2017 12:11:10 +0200
Subject: Autogen: Always create AUTOMOC/AUTOUIC include directory

The **AUTOGEN** include directory was always passed to the compiler but
only generated on demand. To avoid compiler complaints when using
`-Wmissing-include-dirs` make sure the directory gets created always.

Closes #17147
---
 Source/cmQtAutoGenerators.cxx | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Source/cmQtAutoGenerators.cxx b/Source/cmQtAutoGenerators.cxx
index 042d111..c79f66d 100644
--- a/Source/cmQtAutoGenerators.cxx
+++ b/Source/cmQtAutoGenerators.cxx
@@ -727,6 +727,17 @@ bool cmQtAutoGenerators::RunAutogen()
   // moc file is included anywhere a moc_<filename>.cpp file is created and
   // included in the mocs_compilation_$<CONFIG>.cpp file.
 
+  // Create AUTOGEN include directory
+  {
+    const std::string incDirAbs = cmSystemTools::CollapseCombinedPath(
+      this->AutogenBuildDir, this->AutogenIncludeDir);
+    if (!cmsys::SystemTools::MakeDirectory(incDirAbs)) {
+      this->LogError("AutoGen: Error: Could not create include directory " +
+                     Quoted(incDirAbs));
+      return false;
+    }
+  }
+
   // key = moc source filepath, value = moc output filepath
   std::map<std::string, std::string> mocsIncluded;
   std::map<std::string, std::string> mocsNotIncluded;
-- 
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