gcc/testsuite/lib/clearcap.exp

# Copyright (C) 2014-2021 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/>.

# Clear hardware capabilities on Solaris.
if [istarget *-*-solaris2*] {
    set clearcap_ldflags "-mclear-hwcap"
}

#
# clearcap-init -- called at the start of each subdir of tests
#

proc clearcap-init { args } {
    global TEST_ALWAYS_FLAGS
    global ALWAYS_CXXFLAGS
    global clearcap_saved_TEST_ALWAYS_FLAGS
    global clearcap_ldflags

    if [info exists TEST_ALWAYS_FLAGS] {
	set clearcap_saved_TEST_ALWAYS_FLAGS $TEST_ALWAYS_FLAGS
    }
    if [info exists clearcap_ldflags] {
	if [info exists ALWAYS_CXXFLAGS] {
	    set ALWAYS_CXXFLAGS [concat "{ldflags=$clearcap_ldflags}" $ALWAYS_CXXFLAGS]
	} else {
	    append TEST_ALWAYS_FLAGS " $clearcap_ldflags"
	}
    }
    return 0
}

#
# clearcap-finish -- called at the start of each subdir of tests
#

proc clearcap-finish { args } {
    global TEST_ALWAYS_FLAGS
    global clearcap_saved_TEST_ALWAYS_FLAGS

    if [info exists clearcap_saved_TEST_ALWAYS_FLAGS] {
	set TEST_ALWAYS_FLAGS $clearcap_saved_TEST_ALWAYS_FLAGS
    } else {
	unset TEST_ALWAYS_FLAGS
    }
    clear_effective_target_cache
}