cb95fff1c7
Change-Id: Ibebe1318d1c2de97601aa07269705c87737083ee Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
76 lines
2.9 KiB
Bash
Executable File
76 lines
2.9 KiB
Bash
Executable File
#!/bin/bash
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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 the build configuration utility 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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if [ $# -ne 2 ]; then
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echo "$0: wrong number of arguments for internal tool used by iOS mkspec"
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else
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arch_paths=""
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for a in $2; do
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arch_paths="$arch_paths $1/$a"
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done
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for f in $(find $arch_paths -name '*.o'); do
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# Skip object files without the _main symbol
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nm $f 2>/dev/null | grep -q 'T _main$' || continue
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fname=${f#$1/}
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file -b $f | grep -qi 'llvm bit-code' && \
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(cat \
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<<EOF >&2
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$f:: error: The file '$fname' contains LLVM bitcode, not object code. Automatic main() redirection could not be applied.
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note: This is most likely due to the use of link-time optimization (-flto). Please disable LTO, or work around the \
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issue by manually renaming your main() function to qtmn():
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#ifdef Q_OS_IOS
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extern "C" int qtmn(int argc, char *argv[])
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#else
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int main(int argc, char *argv[])
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#endif
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EOF
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) && exit 1
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echo "Found main() in $fname"
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strings -t d - $f | grep '_main\(\.eh\)\?$' | while read match; do
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offset=$(echo $match | cut -d ' ' -f 1)
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symbol=$(echo $match | cut -d ' ' -f 2)
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echo " Renaming '$symbol' at offset $offset to '${symbol/main/qtmn}'"
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# In-place rename the string (keeping the same length)
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printf '_qtmn' | dd of=$f bs=1 seek=$offset conv=notrunc >/dev/null 2>&1
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done
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done
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fi |