90 lines
2.8 KiB
Plaintext
90 lines
2.8 KiB
Plaintext
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#!/bin/sh
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# libtool-reloc - libtool wrapper with support for relocatable programs
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# Copyright (C) 2019-2022 Free Software Foundation, Inc.
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# Written by Bruno Haible <bruno@clisp.org>, 2019.
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#
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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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#
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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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#
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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, see <https://www.gnu.org/licenses/>.
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# Usage: libtool-reloc libtool LIBTOOL_ARGUMENTS
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# Outputs a command and runs it.
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func_verbose ()
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{
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# Make it easy to copy&paste the printed command into a shell in most cases,
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# by escaping '\\', '"', and '$'. This is not perfect, just good enough.
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echo "$@" | sed -e 's/\([\\"$]\)/\\\1/g'
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"$@"
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}
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# Determine the mode from the arguments.
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mode=
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for arg
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do
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case "$arg" in
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--mode=link) mode=link ;;
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esac
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done
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if test "$mode" = link; then
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# Determine the target from the arguments.
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target=
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next_is_target=false
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for arg
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do
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if $next_is_target; then
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target="$arg"
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next_is_target=false
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else
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case "$arg" in
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-o) next_is_target=true ;;
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*) next_is_target=false ;;
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esac
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fi
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done
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case "$target" in
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*.la)
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# When creating a library:
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# 1. Add a '-Wl,-rpath,@loader_path' option.
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# (A '-R @loader_path' option does not work: libtool produces
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# an error "error: only absolute run-paths are allowed".)
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# (Also note that 'install_name_tool -add_rpath @loader_path ...'
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# does not work on Mac OS X 10.5.)
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# This is done through the RELOCATABLE_LDFLAGS macro.
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# 2. After creating the library, run
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# install_name_tool -id @rpath/$dlname $target_dir/.libs/$dlname
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# (This is easier than to modify the libtool script to emit a different
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# install_name. Also, an option '-Wl,-install_name,@rpath/$dlname' does
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# not work since libtool emits another option '-Wl,-install_name,...'
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# after it.
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"$@" && {
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dlname_assignment=`grep '^dlname=' "$target"`
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dlname=
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eval "$dlname_assignment"
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# Nothing to do when --disable-shared was specified.
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if test -n "$dlname"; then
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target_dir=`dirname "$target"`
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if test -f "$target_dir/.libs/$dlname"; then
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func_verbose install_name_tool -id "@rpath/$dlname" "$target_dir/.libs/$dlname"
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fi
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fi
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}
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;;
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*)
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"$@"
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;;
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esac
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else
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"$@"
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fi
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