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# Copyright (C) 2013-2021 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/>.
#
# atomic_link_flags -- compute library path and flags to find libatomic.
# (originally from g++.exp)
#
proc atomic_link_flags { paths } {
global srcdir
global ld_library_path
global shlib_ext
set gccpath ${paths}
set flags ""
set shlib_ext [get_shlib_extension]
if { $gccpath != "" } {
if { [file exists "${gccpath}/libatomic/.libs/libatomic.a"]
|| [file exists "${gccpath}/libatomic/.libs/libatomic.${shlib_ext}"] } {
append flags " -B${gccpath}/libatomic/ "
append flags " -L${gccpath}/libatomic/.libs"
append ld_library_path ":${gccpath}/libatomic/.libs"
}
} else {
global tool_root_dir
set libatomic [lookfor_file ${tool_root_dir} libatomic]
if { $libatomic != "" } {
append flags "-L${libatomic} "
append ld_library_path ":${libatomic}"
}
}
set_ld_library_path_env_vars
return "$flags"
}
#
# atomic_init -- called at the start of each subdir of tests
#
proc atomic_init { args } {
global TEST_ALWAYS_FLAGS
global ALWAYS_CXXFLAGS
global TOOL_OPTIONS
global atomic_saved_TEST_ALWAYS_FLAGS
global atomic_saved_ALWAYS_CXXFLAGS
set link_flags ""
if ![is_remote host] {
if [info exists TOOL_OPTIONS] {
set link_flags "[atomic_link_flags [get_multilibs ${TOOL_OPTIONS}]]"
} else {
set link_flags "[atomic_link_flags [get_multilibs]]"
}
}
append link_flags " -latomic "
if [info exists TEST_ALWAYS_FLAGS] {
set atomic_saved_TEST_ALWAYS_FLAGS $TEST_ALWAYS_FLAGS
}
if [info exists ALWAYS_CXXFLAGS] {
set atomic_saved_ALWAYS_CXXFLAGS $ALWAYS_CXXFLAGS
set ALWAYS_CXXFLAGS [concat "{ldflags=$link_flags}" $ALWAYS_CXXFLAGS]
} else {
if [info exists TEST_ALWAYS_FLAGS] {
set TEST_ALWAYS_FLAGS "$link_flags $TEST_ALWAYS_FLAGS"
} else {
set TEST_ALWAYS_FLAGS "$link_flags"
}
}
return [check_no_compiler_messages_nocache libatomic_available executable {
int main (void) { return 0; }
}]
}
#
# atomic_finish -- called at the end of each subdir of tests
#
proc atomic_finish { args } {
global TEST_ALWAYS_FLAGS
global atomic_saved_TEST_ALWAYS_FLAGS
global atomic_saved_ALWAYS_CXXFLAGS
if [info exists atomic_saved_ALWAYS_CXXFLAGS] {
set ALWAYS_CXXFLAGS $atomic_saved_ALWAYS_CXXFLAGS
} else {
if [info exists atomic_saved_TEST_ALWAYS_FLAGS] {
set TEST_ALWAYS_FLAGS $atomic_saved_TEST_ALWAYS_FLAGS
} else {
unset TEST_ALWAYS_FLAGS
}
}
clear_effective_target_cache
}
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