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# Copyright (C) 2004-2013 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING3. If not see
# <http://www.gnu.org/licenses/>.
# This file was contributed by John David Anglin (dave.anglin@nrc-cnrc.gc.ca)
set orig_environment_saved 0
set orig_ld_library_path_saved 0
set orig_ld_run_path_saved 0
set orig_shlib_path_saved 0
set orig_ld_library_path_32_saved 0
set orig_ld_library_path_64_saved 0
set orig_dyld_library_path_saved 0
set orig_gcc_exec_prefix_saved 0
set orig_gcc_exec_prefix_checked 0
#######################################
# proc set_ld_library_path_env_vars { }
#######################################
proc set_ld_library_path_env_vars { } {
global ld_library_path
global orig_environment_saved
global orig_ld_library_path_saved
global orig_ld_run_path_saved
global orig_shlib_path_saved
global orig_ld_library_path_32_saved
global orig_ld_library_path_64_saved
global orig_dyld_library_path_saved
global orig_gcc_exec_prefix_saved
global orig_gcc_exec_prefix_checked
global orig_ld_library_path
global orig_ld_run_path
global orig_shlib_path
global orig_ld_library_path_32
global orig_ld_library_path_64
global orig_dyld_library_path
global orig_gcc_exec_prefix
global TEST_GCC_EXEC_PREFIX
global env
# Save the original GCC_EXEC_PREFIX.
if { $orig_gcc_exec_prefix_checked == 0 } {
if [info exists env(GCC_EXEC_PREFIX)] {
set orig_gcc_exec_prefix "$env(GCC_EXEC_PREFIX)"
set orig_gcc_exec_prefix_saved 1
}
set orig_gcc_exec_prefix_checked 1
}
# Set GCC_EXEC_PREFIX for the compiler under test to pick up files not in
# the build tree from a specified location (normally the install tree).
if [info exists TEST_GCC_EXEC_PREFIX] {
setenv GCC_EXEC_PREFIX "$TEST_GCC_EXEC_PREFIX"
}
# Setting the ld library path causes trouble when testing cross-compilers.
if { [is_remote target] } {
return
}
if { $orig_environment_saved == 0 } {
set orig_environment_saved 1
# Save the original environment.
if [info exists env(LD_LIBRARY_PATH)] {
set orig_ld_library_path "$env(LD_LIBRARY_PATH)"
set orig_ld_library_path_saved 1
}
if [info exists env(LD_RUN_PATH)] {
set orig_ld_run_path "$env(LD_RUN_PATH)"
set orig_ld_run_path_saved 1
}
if [info exists env(SHLIB_PATH)] {
set orig_shlib_path "$env(SHLIB_PATH)"
set orig_shlib_path_saved 1
}
if [info exists env(LD_LIBRARY_PATH_32)] {
set orig_ld_library_path_32 "$env(LD_LIBRARY_PATH_32)"
set orig_ld_library_path_32_saved 1
}
if [info exists env(LD_LIBRARY_PATH_64)] {
set orig_ld_library_path_64 "$env(LD_LIBRARY_PATH_64)"
set orig_ld_library_path_64_saved 1
}
if [info exists env(DYLD_LIBRARY_PATH)] {
set orig_dyld_library_path "$env(DYLD_LIBRARY_PATH)"
set orig_dyld_library_path_saved 1
}
}
# We need to set ld library path in the environment. Currently,
# unix.exp doesn't set the environment correctly for all systems.
# It only sets SHLIB_PATH and LD_LIBRARY_PATH when it executes a
# program. We also need the environment set for compilations, etc.
#
# On Darwin, we have to set variables akin to LD_LIBRARY_PATH, but called
# DYLD_LIBRARY_PATH. The same applies to Solaris 32 bit
# (LD_LIBRARY_PATH_32), Solaris 64 bit (LD_LIBRARY_PATH_64), and HP-UX
# (SHLIB_PATH). In some cases, the variables are independent of
# LD_LIBRARY_PATH, and in other cases LD_LIBRARY_PATH is used if the
# variable is not defined.
#
# Doing this is somewhat of a hack as ld_library_path gets repeated in
# SHLIB_PATH and LD_LIBRARY_PATH when unix_load sets these variables.
if { $orig_ld_library_path_saved } {
setenv LD_LIBRARY_PATH "$ld_library_path:$orig_ld_library_path"
} else {
setenv LD_LIBRARY_PATH "$ld_library_path"
}
if { $orig_ld_run_path_saved } {
setenv LD_RUN_PATH "$ld_library_path:$orig_ld_run_path"
} else {
setenv LD_RUN_PATH "$ld_library_path"
}
# The default shared library dynamic path search for 64-bit
# HP-UX executables searches LD_LIBRARY_PATH before SHLIB_PATH.
# LD_LIBRARY_PATH isn't used for 32-bit executables. Thus, we
# set LD_LIBRARY_PATH and SHLIB_PATH as if they were independent.
if { $orig_shlib_path_saved } {
setenv SHLIB_PATH "$ld_library_path:$orig_shlib_path"
} else {
setenv SHLIB_PATH "$ld_library_path"
}
if { $orig_ld_library_path_32_saved } {
setenv LD_LIBRARY_PATH_32 "$ld_library_path:$orig_ld_library_path_32"
} elseif { $orig_ld_library_path_saved } {
setenv LD_LIBRARY_PATH_32 "$ld_library_path:$orig_ld_library_path"
} else {
setenv LD_LIBRARY_PATH_32 "$ld_library_path"
}
if { $orig_ld_library_path_64_saved } {
setenv LD_LIBRARY_PATH_64 "$ld_library_path:$orig_ld_library_path_64"
} elseif { $orig_ld_library_path_saved } {
setenv LD_LIBRARY_PATH_64 "$ld_library_path:$orig_ld_library_path"
} else {
setenv LD_LIBRARY_PATH_64 "$ld_library_path"
}
if { $orig_dyld_library_path_saved } {
setenv DYLD_LIBRARY_PATH "$ld_library_path:$orig_dyld_library_path"
} else {
setenv DYLD_LIBRARY_PATH "$ld_library_path"
}
verbose -log "set_ld_library_path_env_vars: ld_library_path=$ld_library_path"
}
#######################################
# proc restore_ld_library_path_env_vars { }
#######################################
proc restore_ld_library_path_env_vars { } {
global orig_environment_saved
global orig_ld_library_path_saved
global orig_ld_run_path_saved
global orig_shlib_path_saved
global orig_ld_library_path_32_saved
global orig_ld_library_path_64_saved
global orig_dyld_library_path_saved
global orig_gcc_exec_prefix_saved
global orig_ld_library_path
global orig_ld_run_path
global orig_shlib_path
global orig_ld_library_path_32
global orig_ld_library_path_64
global orig_dyld_library_path
global orig_gcc_exec_prefix
global env
if { $orig_gcc_exec_prefix_saved } {
setenv GCC_EXEC_PREFIX "$orig_gcc_exec_prefix"
} elseif [info exists env(GCC_EXEC_PREFIX)] {
unsetenv GCC_EXEC_PREFIX
}
if { $orig_environment_saved == 0 } {
return
}
if { $orig_ld_library_path_saved } {
setenv LD_LIBRARY_PATH "$orig_ld_library_path"
} elseif [info exists env(LD_LIBRARY_PATH)] {
unsetenv LD_LIBRARY_PATH
}
if { $orig_ld_run_path_saved } {
setenv LD_RUN_PATH "$orig_ld_run_path"
} elseif [info exists env(LD_RUN_PATH)] {
unsetenv LD_RUN_PATH
}
if { $orig_shlib_path_saved } {
setenv SHLIB_PATH "$orig_shlib_path"
} elseif [info exists env(SHLIB_PATH)] {
unsetenv SHLIB_PATH
}
if { $orig_ld_library_path_32_saved } {
setenv LD_LIBRARY_PATH_32 "$orig_ld_library_path_32"
} elseif [info exists env(LD_LIBRARY_PATH_32)] {
unsetenv LD_LIBRARY_PATH_32
}
if { $orig_ld_library_path_64_saved } {
setenv LD_LIBRARY_PATH_64 "$orig_ld_library_path_64"
} elseif [info exists env(LD_LIBRARY_PATH_64)] {
unsetenv LD_LIBRARY_PATH_64
}
if { $orig_dyld_library_path_saved } {
setenv DYLD_LIBRARY_PATH "$orig_dyld_library_path"
} elseif [info exists env(DYLD_LIBRARY_PATH)] {
unsetenv DYLD_LIBRARY_PATH
}
}
#######################################
# proc get_shlib_extension { }
#######################################
proc get_shlib_extension { } {
global shlib_ext
if { [istarget *-*-darwin*] } {
set shlib_ext "dylib"
} elseif { [istarget *-*-cygwin*] || [istarget *-*-mingw*] } {
set shlib_ext "dll"
} elseif { [istarget hppa*-*-hpux*] } {
set shlib_ext "sl"
} else {
set shlib_ext "so"
}
return $shlib_ext
}
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