Refactor our build skipping logic

Move the logic to mkspecs to keep the .pro files robust.

Add the basic infrastructure for config.tests, the first one
of which will consistently ensure we have libcap on linux.

Change-Id: Iee4207e747e589ba67d5353cb4c18f156e555c11
Reviewed-by: Andras Becsi <andras.becsi@theqtcompany.com>

2 files changed, 47 insertions, 0 deletions

diff --git a/tools/qmake/config.tests/libcap/libcap.cpp b/tools/qmake/config.tests/libcap/libcap.cpp
new file mode 100644
index 000000000..c0bba3eae
--- /dev/null
+++ b/tools/qmake/config.tests/libcap/libcap.cpp
@@ -0,0 +1,44 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtWebEngine module 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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.LGPLv3 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.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 later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <sys/capability.h>
+
+int main(int, char **)
+{
+    cap_t cap = cap_get_proc();
+    const char *text = cap_to_text(cap, 0);
+    return 0;
+}
diff --git a/tools/qmake/config.tests/libcap/libcap.pro b/tools/qmake/config.tests/libcap/libcap.pro
new file mode 100644
index 000000000..2c688f809
--- /dev/null
+++ b/tools/qmake/config.tests/libcap/libcap.pro
@@ -0,0 +1,3 @@
+linux: SOURCES += libcap.cpp
+LIBS += -lcap
+CONFIG -= qt