5511f9acda
We no longer support building the full-blown libintl in static linking scenarios, as it causes too many problems. Therefore, remove the patch that was handling this. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
117 lines
4.2 KiB
Diff
117 lines
4.2 KiB
Diff
From 438f088ad520ac91ae47dba9a515ab0d1088c89c Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?J=C3=B6rg=20Krause?= <joerg.krause@embedded.rocks>
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Date: Fri, 15 Apr 2016 03:32:02 +0200
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Subject: [PATCH] Link with -ldl option only when it is supported
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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`-ldl` option is used unconditionally in `QMAKE_LIBS_DYNLOAD` while libdl is
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not supported when libc is static. As the value of `QMAKE_LIBS_DYNLOAD` goes
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into 'Libs.private' field of the pkgconfig files created by qmake, static
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linking with qt will fail with:
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/usr/bin/ld: cannot find -ldl
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Fix this issue by adding a build test to configure to check if libdl is
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supported. `QMAKE_LIBS_DYNLOAD` in "src/corelib/plugin/plugin.pri" is now used
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only if libdl is available.
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Backported from Qt5:
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https://github.com/qtproject/qtbase/commit/f669ea0d54302de31456d57286aa0e4ca1443e98
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Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
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---
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config.tests/unix/libdl/libdl.cpp | 39 +++++++++++++++++++++++++++++++++++++++
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config.tests/unix/libdl/libdl.pro | 3 +++
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configure | 6 ++++++
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src/corelib/plugin/plugin.pri | 2 +-
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4 files changed, 49 insertions(+), 1 deletion(-)
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create mode 100644 config.tests/unix/libdl/libdl.cpp
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create mode 100644 config.tests/unix/libdl/libdl.pro
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diff --git a/config.tests/unix/libdl/libdl.cpp b/config.tests/unix/libdl/libdl.cpp
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new file mode 100644
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index 0000000..28a8233
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--- /dev/null
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+++ b/config.tests/unix/libdl/libdl.cpp
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@@ -0,0 +1,39 @@
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+/****************************************************************************
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+**
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+** Copyright (C) 2015 The Qt Company Ltd.
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+** Contact: http://www.qt.io/licensing/
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+**
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+** This file is part of the config.tests of the Qt Toolkit.
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+**
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+** $QT_BEGIN_LICENSE:LGPL21$
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+** Commercial License Usage
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+** Licensees holding valid commercial Qt licenses may use this file in
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+** accordance with the commercial license agreement provided with the
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+** Software or, alternatively, in accordance with the terms contained in
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+** a written agreement between you and The Qt Company. For licensing terms
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+** and conditions see http://www.qt.io/terms-conditions. For further
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+** information use the contact form at http://www.qt.io/contact-us.
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+**
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+** GNU Lesser General Public License Usage
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+** Alternatively, this file may be used under the terms of the GNU Lesser
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+** General Public License version 2.1 or version 3 as published by the Free
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+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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+** following information to ensure the GNU Lesser General Public License
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+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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+**
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+** As a special exception, The Qt Company gives you certain additional
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+** rights. These rights are described in The Qt Company LGPL Exception
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+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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+**
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+** $QT_END_LICENSE$
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+**
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+****************************************************************************/
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+
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+#include <dlfcn.h>
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+
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+int main(int, char **)
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+{
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+ dlopen(0, 0);
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+}
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diff --git a/config.tests/unix/libdl/libdl.pro b/config.tests/unix/libdl/libdl.pro
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new file mode 100644
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index 0000000..a643934
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--- /dev/null
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+++ b/config.tests/unix/libdl/libdl.pro
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@@ -0,0 +1,3 @@
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+SOURCES = libdl.cpp
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+CONFIG -= qt dylib
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+LIBS += -ldl
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\ No newline at end of file
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diff --git a/configure b/configure
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index 10ad7ca..1c70691 100755
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--- a/configure
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+++ b/configure
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@@ -5506,6 +5506,12 @@ if [ "$CFG_LIBPNG" = "auto" ]; then
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fi
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fi
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+# detect dl
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+if ! compileTest unix/libdl "libdl"; then
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+ QMakeVar add DEFINES QT_NO_DYNAMIC_LIBRARY
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+ QMAKE_CONFIG="$QMAKE_CONFIG no-libdl"
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+fi
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+
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# detect accessibility
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if [ "$CFG_ACCESSIBILITY" = "auto" ]; then
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if [ "$XPLATFORM_SYMBIAN" = "yes" ]; then
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diff --git a/src/corelib/plugin/plugin.pri b/src/corelib/plugin/plugin.pri
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index eb7a7f7..c342f2e 100644
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--- a/src/corelib/plugin/plugin.pri
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+++ b/src/corelib/plugin/plugin.pri
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@@ -32,4 +32,4 @@ integrity {
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SOURCES += plugin/qlibrary_unix.cpp
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}
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-LIBS_PRIVATE += $$QMAKE_LIBS_DYNLOAD
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+!no-libdl: LIBS_PRIVATE += $$QMAKE_LIBS_DYNLOAD
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--
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2.8.0
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