configure: enable inline tests to contain auxiliary files

... and use that to migrate the pch test.

Change-Id: I2ce884442cab6124c37142f571cf6f82191ee4f5
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>

config.tests/common/pch/header.h

@@ -1 +0,0 @@
-#define HEADER_H

config.tests/common/pch/pch.pro

@@ -1,4 +0,0 @@
-CONFIG += precompile_header
-PRECOMPILED_DIR = .pch
-PRECOMPILED_HEADER = header.h
-SOURCES = source.cpp

config.tests/common/pch/source.cpp

@@ -1,44 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the configuration of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef HEADER_H
-#error no go
-#endif
-
-int main() { return 0; }

configure.json

@@ -324,7 +324,21 @@
         "precompile_header": {
             "label": "precompiled header support",
             "type": "compile",
-            "test": "common/pch"
+            "test": {
+                "files": {
+                    "header.h": "#define HEADER_H"
+                },
+                "tail": [
+                    "#ifndef HEADER_H",
+                    "#error no go",
+                    "#endif"
+                ],
+                "qmake": [
+                    "CONFIG += precompile_header",
+                    "PRECOMPILED_DIR = .pch",
+                    "PRECOMPILED_HEADER = header.h"
+                ]
+            }
         },
         "use_gold_linker": {
             "label": "gold linker",

mkspecs/features/qt_configure.prf

@@ -1170,6 +1170,11 @@ defineTest(qtConfPrepareCompileTestSource) {
         "}"
     write_file($$test_dir/main.$$suffix, contents)|error()
 
+    for (test, tests) {
+        for (file, $$qtConfScalarOrList($${test}.test.files._KEYS_)): \
+            write_file($$test_dir/$$file, $$qtConfScalarOrList($${test}.test.files.$${file}))|error()
+    }
+
     # Create stub .pro file
     contents = "SOURCES = main.$$suffix"
     # Custom project code