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63 lines
3.1 KiB
Bash
Executable File
63 lines
3.1 KiB
Bash
Executable File
#!/bin/sh
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################################################################################
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# Copyright 1996 by Thomas E. Dickey <dickey@clark.net> #
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# All Rights Reserved. #
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# #
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# Permission to use, copy, modify, and distribute this software and its #
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# documentation for any purpose and without fee is hereby granted, provided #
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# that the above copyright notice appear in all copies and that both that #
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# copyright notice and this permission notice appear in supporting #
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# documentation, and that the name of the above listed copyright holder(s) not #
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# be used in advertising or publicity pertaining to distribution of the #
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# software without specific, written prior permission. THE ABOVE LISTED #
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# COPYRIGHT HOLDER(S) DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, #
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# INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT #
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# SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY SPECIAL, #
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# INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM #
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# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE #
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# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR #
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# PERFORMANCE OF THIS SOFTWARE. #
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################################################################################
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# $Id: shlib,v 1.3 1996/06/17 21:45:36 tom Exp $
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# Use this script as a wrapper when running executables linked to shared
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# libraries on systems that use the $LD_LIBRARY_PATH variable and don't embed
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# the soname's path within the linked executable (such as IRIX), e.g,
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#
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# shlib knight
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#
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# Setting LD_LIBRARY_PATH, overrides/supplements the loader's normal search
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# path, and works on most systems. The drawback is that then the environment
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# variable has to be set to run the programs within this directory tree.
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#
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# For Linux (and other systems using the GNU loader), we can use the rpath
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# directive, which embeds the pathname of the library within the executable.
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# Using the Linux loader's rpath directive introduces a constraint, since
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# it's embedded into the binary, and means that the binary cannot be moved
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# around (though it'll work if the $exec_prefix convention that puts the bin
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# and lib directories under the same parent is followed).
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#
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# Using the actual soname (e.g., ../lib/libncurses.so) alone, is a more
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# flexible solution; you can link without having to set the environment
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# variable, and on some systems (IRIX) you can even run the resulting binaries
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# without setting LD_LIBRARY_PATH.
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#
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# Using a conventional link, with -L and -l options on Linux results in a
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# statically linked executable, which we don't want at all.
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#
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q=""
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for p in lib ../lib
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do
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if test -d $p; then
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q="$p"
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fi
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done
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if test -n "$q" ; then
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if test -n "$LD_LIBRARY_PATH"; then
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LD_LIBRARY_PATH="$q:$LD_LIBRARY_PATH"
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else
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LD_LIBRARY_PATH="$q"
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fi
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export LD_LIBRARY_PATH
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fi
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eval "$*"
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