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jeremybenn |
# Copyright (C) 2004, 2005, 2007 Free Software Foundation, Inc.
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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 GCC; see the file COPYING3. If not see
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# .
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# This file was contributed by John David Anglin (dave.anglin@nrc-cnrc.gc.ca)
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set orig_environment_saved 0
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set orig_ld_library_path_saved 0
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set orig_ld_run_path_saved 0
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set orig_shlib_path_saved 0
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set orig_ld_libraryn32_path_saved 0
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set orig_ld_library64_path_saved 0
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set orig_ld_library_path_32_saved 0
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set orig_ld_library_path_64_saved 0
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set orig_dyld_library_path_saved 0
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#######################################
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# proc set_ld_library_path_env_vars { }
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#######################################
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proc set_ld_library_path_env_vars { } {
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global ld_library_path
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global orig_environment_saved
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global orig_ld_library_path_saved
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global orig_ld_run_path_saved
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global orig_shlib_path_saved
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global orig_ld_libraryn32_path_saved
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global orig_ld_library64_path_saved
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global orig_ld_library_path_32_saved
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global orig_ld_library_path_64_saved
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global orig_dyld_library_path_saved
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global orig_ld_library_path
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global orig_ld_run_path
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global orig_shlib_path
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global orig_ld_libraryn32_path
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global orig_ld_library64_path
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global orig_ld_library_path_32
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global orig_ld_library_path_64
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global orig_dyld_library_path
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# Setting the ld library path causes trouble when testing cross-compilers.
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if { [is_remote target] } {
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return
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}
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if { $orig_environment_saved == 0 } {
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global env
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set orig_environment_saved 1
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# Save the original environment.
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if [info exists env(LD_LIBRARY_PATH)] {
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set orig_ld_library_path "$env(LD_LIBRARY_PATH)"
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set orig_ld_library_path_saved 1
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}
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if [info exists env(LD_RUN_PATH)] {
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set orig_ld_run_path "$env(LD_RUN_PATH)"
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set orig_ld_run_path_saved 1
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}
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if [info exists env(SHLIB_PATH)] {
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set orig_shlib_path "$env(SHLIB_PATH)"
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set orig_shlib_path_saved 1
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}
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if [info exists env(LD_LIBRARYN32_PATH)] {
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set orig_ld_libraryn32_path "$env(LD_LIBRARYN32_PATH)"
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set orig_ld_libraryn32_path_saved 1
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}
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if [info exists env(LD_LIBRARY64_PATH)] {
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set orig_ld_library64_path "$env(LD_LIBRARY64_PATH)"
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set orig_ld_library64_path_saved 1
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}
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if [info exists env(LD_LIBRARY_PATH_32)] {
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set orig_ld_library_path_32 "$env(LD_LIBRARY_PATH_32)"
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set orig_ld_library_path_32_saved 1
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}
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if [info exists env(LD_LIBRARY_PATH_64)] {
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set orig_ld_library_path_64 "$env(LD_LIBRARY_PATH_64)"
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set orig_ld_library_path_64_saved 1
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}
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if [info exists env(DYLD_LIBRARY_PATH)] {
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set orig_dyld_library_path "$env(DYLD_LIBRARY_PATH)"
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set orig_dyld_library_path_saved 1
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}
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}
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# We need to set ld library path in the environment. Currently,
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# unix.exp doesn't set the environment correctly for all systems.
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# It only sets SHLIB_PATH and LD_LIBRARY_PATH when it executes a
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# program. We also need the environment set for compilations, etc.
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#
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# On IRIX 6, we have to set variables akin to LD_LIBRARY_PATH, but
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# called LD_LIBRARYN32_PATH (for the N32 ABI) and LD_LIBRARY64_PATH
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# (for the 64-bit ABI). The same applies to Darwin (DYLD_LIBRARY_PATH),
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# Solaris 32 bit (LD_LIBRARY_PATH_32), Solaris 64 bit (LD_LIBRARY_PATH_64),
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# and HP-UX (SHLIB_PATH). In some cases, the variables are independent
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# of LD_LIBRARY_PATH, and in other cases LD_LIBRARY_PATH is used if the
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# variable is not defined.
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#
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# Doing this is somewhat of a hack as ld_library_path gets repeated in
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# SHLIB_PATH and LD_LIBRARY_PATH when unix_load sets these variables.
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if { $orig_ld_library_path_saved } {
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setenv LD_LIBRARY_PATH "$ld_library_path:$orig_ld_library_path"
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} else {
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setenv LD_LIBRARY_PATH "$ld_library_path"
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}
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if { $orig_ld_run_path_saved } {
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setenv LD_RUN_PATH "$ld_library_path:$orig_ld_run_path"
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} else {
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setenv LD_RUN_PATH "$ld_library_path"
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}
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# The default shared library dynamic path search for 64-bit
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# HP-UX executables searches LD_LIBRARY_PATH before SHLIB_PATH.
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# LD_LIBRARY_PATH isn't used for 32-bit executables. Thus, we
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# set LD_LIBRARY_PATH and SHLIB_PATH as if they were independent.
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if { $orig_shlib_path_saved } {
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setenv SHLIB_PATH "$ld_library_path:$orig_shlib_path"
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} else {
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setenv SHLIB_PATH "$ld_library_path"
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}
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if { $orig_ld_libraryn32_path_saved } {
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setenv LD_LIBRARYN32_PATH "$ld_library_path:$orig_ld_libraryn32_path"
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} elseif { $orig_ld_library_path_saved } {
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setenv LD_LIBRARYN32_PATH "$ld_library_path:$orig_ld_library_path"
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} else {
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setenv LD_LIBRARYN32_PATH "$ld_library_path"
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}
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if { $orig_ld_library64_path_saved } {
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setenv LD_LIBRARY64_PATH "$ld_library_path:$orig_ld_library64_path"
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} elseif { $orig_ld_library_path_saved } {
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setenv LD_LIBRARY64_PATH "$ld_library_path:$orig_ld_library_path"
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} else {
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setenv LD_LIBRARY64_PATH "$ld_library_path"
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}
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if { $orig_ld_library_path_32_saved } {
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setenv LD_LIBRARY_PATH_32 "$ld_library_path:$orig_ld_library_path_32"
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} elseif { $orig_ld_library_path_saved } {
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setenv LD_LIBRARY_PATH_32 "$ld_library_path:$orig_ld_library_path"
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} else {
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setenv LD_LIBRARY_PATH_32 "$ld_library_path"
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}
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if { $orig_ld_library_path_64_saved } {
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setenv LD_LIBRARY_PATH_64 "$ld_library_path:$orig_ld_library_path_64"
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} elseif { $orig_ld_library_path_saved } {
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setenv LD_LIBRARY_PATH_64 "$ld_library_path:$orig_ld_library_path"
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} else {
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setenv LD_LIBRARY_PATH_64 "$ld_library_path"
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}
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if { $orig_dyld_library_path_saved } {
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setenv DYLD_LIBRARY_PATH "$ld_library_path:$orig_dyld_library_path"
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} else {
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setenv DYLD_LIBRARY_PATH "$ld_library_path"
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}
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verbose -log "set_ld_library_path_env_vars: ld_library_path=$ld_library_path"
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}
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#######################################
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# proc restore_ld_library_path_env_vars { }
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#######################################
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proc restore_ld_library_path_env_vars { } {
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global orig_environment_saved
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global orig_ld_library_path_saved
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global orig_ld_run_path_saved
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global orig_shlib_path_saved
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global orig_ld_libraryn32_path_saved
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global orig_ld_library64_path_saved
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global orig_ld_library_path_32_saved
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global orig_ld_library_path_64_saved
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global orig_dyld_library_path_saved
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global orig_ld_library_path
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global orig_ld_run_path
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global orig_shlib_path
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global orig_ld_libraryn32_path
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global orig_ld_library64_path
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global orig_ld_library_path_32
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global orig_ld_library_path_64
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global orig_dyld_library_path
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if { $orig_environment_saved == 0 } {
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return
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}
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if { $orig_ld_library_path_saved } {
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setenv LD_LIBRARY_PATH "$orig_ld_library_path"
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} elseif [info exists env(LD_LIBRARY_PATH)] {
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unsetenv LD_LIBRARY_PATH
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}
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if { $orig_ld_run_path_saved } {
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setenv LD_RUN_PATH "$orig_ld_run_path"
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} elseif [info exists env(LD_RUN_PATH)] {
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unsetenv LD_RUN_PATH
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}
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if { $orig_shlib_path_saved } {
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setenv SHLIB_PATH "$orig_shlib_path"
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} elseif [info exists env(SHLIB_PATH)] {
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unsetenv SHLIB_PATH
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}
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if { $orig_ld_libraryn32_path_saved } {
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setenv LD_LIBRARYN32_PATH "$orig_ld_libraryn32_path"
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} elseif [info exists env(LD_LIBRARYN32_PATH)] {
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unsetenv LD_LIBRARYN32_PATH
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}
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if { $orig_ld_library64_path_saved } {
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setenv LD_LIBRARY64_PATH "$orig_ld_library64_path"
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} elseif [info exists env(LD_LIBRARY64_PATH)] {
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unsetenv LD_LIBRARY64_PATH
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}
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if { $orig_ld_library_path_32_saved } {
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setenv LD_LIBRARY_PATH_32 "$orig_ld_library_path_32"
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} elseif [info exists env(LD_LIBRARY_PATH_32)] {
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unsetenv LD_LIBRARY_PATH_32
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}
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if { $orig_ld_library_path_64_saved } {
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setenv LD_LIBRARY_PATH_64 "$orig_ld_library_path_64"
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} elseif [info exists env(LD_LIBRARY_PATH_64)] {
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unsetenv LD_LIBRARY_PATH_64
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}
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if { $orig_dyld_library_path_saved } {
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setenv DYLD_LIBRARY_PATH "$orig_dyld_library_path"
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} elseif [info exists env(DYLD_LIBRARY_PATH)] {
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unsetenv DYLD_LIBRARY_PATH
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}
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}
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#######################################
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# proc get_shlib_extension { }
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#######################################
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proc get_shlib_extension { } {
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global shlib_ext
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if { [ istarget *-*-darwin* ] } {
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set shlib_ext "dylib"
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} elseif { [ istarget *-*-cygwin* ] || [ istarget *-*-mingw* ] } {
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set shlib_ext "dll"
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} elseif { [ istarget hppa*-*-hpux* ] } {
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set shlib_ext "sl"
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} else {
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set shlib_ext "so"
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}
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return $shlib_ext
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}
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