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63 lines
1.7 KiB
Bash
63 lines
1.7 KiB
Bash
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#!/bin/sh
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# weak_as_needed.sh -- a test case for version handling with weak symbols
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# and --as-needed libraries.
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# Copyright (C) 2018 Free Software Foundation, Inc.
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# Written by Cary Coutant <ccoutant@gmail.com>.
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# This file is part of gold.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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# MA 02110-1301, USA.
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# This test verifies that a weak reference is properly bound to
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# an as-needed library, when it is first resolved to a symbol in
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# a library that ends up being not needed.
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# Ref: https://stackoverflow.com/questions/50751421/undefined-behavior-in-shared-lib-using-libpthread-but-not-having-it-in-elf-as-d
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check()
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{
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if ! grep -q "$2" "$1"
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then
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echo "Did not find expected output in $1:"
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echo " $2"
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echo ""
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echo "Actual output below:"
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cat "$1"
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exit 1
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fi
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}
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check_missing()
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{
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if grep -q "$2" "$1"
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then
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echo "Found unexpected output in $1:"
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echo " $2"
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echo ""
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echo "Actual output below:"
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cat "$1"
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exit 1
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fi
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}
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check weak_as_needed.stdout "WEAK .* UND *bar@v2"
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check weak_as_needed.stdout "NEEDED.*weak_as_needed_c\.so"
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check_missing weak_as_needed.stdout "NEEDED.*weak_as_needed_b\.so"
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exit 0
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