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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [compat/] [compat.exp] - Rev 378
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# Copyright (C) 2002, 2003, 2007 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 written by Janis Johnson, <janis187@us.ibm.com>
# Test interoperability of two compilers that follow the same ABI.
#
# Break simple tests into two pieces and see that they work when linked
# together. If an alternate compiler is specified then the two main
# pieces of each test are compiled with different compilers. The
# alternate compiler must be installed, and is specified by defining
# ALT_CC_UNDER_TEST in the environment.
if $tracelevel then {
strace $tracelevel
}
global GCC_UNDER_TEST
global ALT_CC_UNDER_TEST
global compat_save_gcc_under_test
global compat_use_alt
global compat_same_alt
global compat_have_dfp
# Load procedures from common libraries.
load_lib standard.exp
load_lib gcc.exp
# Load the language-dependent compatibility support procedures.
load_lib c-compat.exp
# Load the language-independent compabibility support procedures.
load_lib compat.exp
gcc_init
# Save variables for the C compiler under test, which each test will
# change a couple of times. This must be done after calling gcc-init.
set compat_save_gcc_under_test $GCC_UNDER_TEST
# Define an identifier for use with this suite to avoid name conflicts
# with other compat tests running at the same time.
set sid "c_compat"
# Find out whether there is an alternate compiler to test. If the
# variable is defined but is set to "same", that means we use the same
# compiler twice, which is meaningful if the two parts of COMPAT_OPTIONS
# are different.
set compat_use_alt 0
set compat_same_alt 0
if [info exists ALT_CC_UNDER_TEST] then {
set compat_use_alt 1
if [string match "same" $ALT_CC_UNDER_TEST] then {
set compat_same_alt 1
}
}
compat_setup_dfp
# Main loop.
foreach src [lsort [find $srcdir/$subdir *_main.c]] {
# If we're only testing specific files and this isn't one of them, skip it.
if ![runtest_file_p $runtests $src] then {
continue
}
compat-execute $src $sid $compat_use_alt
}
# Restore the original compiler under test.
compat-use-tst-compiler
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