| # Copyright (C) 2002, 2003 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 2 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 this program; if not, write to the Free Software |
| # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| # |
| # 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 |