# Copyright (C) 2002, 2004, 2007 Free Software Foundation, Inc.
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# Copyright (C) 2002, 2004, 2007 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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# (at your option) any later version.
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#
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#
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# This program is distributed in the hope that it will be useful,
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# GNU General Public License for more details.
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#
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#
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# You should have received a copy of the GNU General Public License
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# You should have received a copy of the GNU General Public License
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# along with GCC; see the file COPYING3. If not see
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# along with GCC; see the file COPYING3. If not see
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# .
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# .
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#
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#
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# This file was written by Janis Johnson,
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# This file was written by Janis Johnson,
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# Test interoperability of two compilers that follow the same ABI.
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# Test interoperability of two compilers that follow the same ABI.
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#
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#
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# Break simple tests into two pieces and see that they work when linked
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# Break simple tests into two pieces and see that they work when linked
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# together. If an alternate compiler is specified then the two main
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# together. If an alternate compiler is specified then the two main
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# pieces of each test are compiled with different compilers. The
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# pieces of each test are compiled with different compilers. The
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# alternate compiler must be installed, and is specified by defining
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# alternate compiler must be installed, and is specified by defining
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# ALT_CXX_UNDER_TEST in the environment.
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# ALT_CXX_UNDER_TEST in the environment.
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if $tracelevel then {
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if $tracelevel then {
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strace $tracelevel
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strace $tracelevel
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}
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}
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global GXX_UNDER_TEST
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global GXX_UNDER_TEST
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global ld_library_path
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global ld_library_path
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# Load procedures from common libraries.
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# Load procedures from common libraries.
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load_lib standard.exp
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load_lib standard.exp
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load_lib g++.exp
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load_lib g++.exp
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load_lib target-libpath.exp
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load_lib target-libpath.exp
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#
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#
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# compat-use-alt-compiler -- make the alternate compiler the default
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# compat-use-alt-compiler -- make the alternate compiler the default
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#
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#
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proc compat-use-alt-compiler { } {
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proc compat-use-alt-compiler { } {
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global GXX_UNDER_TEST ALT_CXX_UNDER_TEST
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global GXX_UNDER_TEST ALT_CXX_UNDER_TEST
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global CXXFLAGS
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global CXXFLAGS
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global ALWAYS_CXXFLAGS
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global ALWAYS_CXXFLAGS
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global ld_library_path alt_ld_library_path
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global ld_library_path alt_ld_library_path
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global same_alt
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global same_alt
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# We don't need to do this if the alternate compiler is actually
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# We don't need to do this if the alternate compiler is actually
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# the same as the compiler under test.
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# the same as the compiler under test.
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if { $same_alt == 0 } then {
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if { $same_alt == 0 } then {
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set GXX_UNDER_TEST $ALT_CXX_UNDER_TEST
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set GXX_UNDER_TEST $ALT_CXX_UNDER_TEST
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set CXXFLAGS ""
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set CXXFLAGS ""
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set ALWAYS_CXXFLAGS ""
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set ALWAYS_CXXFLAGS ""
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set ld_library_path $alt_ld_library_path
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set ld_library_path $alt_ld_library_path
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set_ld_library_path_env_vars
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set_ld_library_path_env_vars
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}
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}
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}
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}
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#
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#
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# compat-use-tst-compiler -- make compiler under test the default
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# compat-use-tst-compiler -- make compiler under test the default
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#
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#
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proc compat-use-tst-compiler { } {
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proc compat-use-tst-compiler { } {
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global GXX_UNDER_TEST save_gxx_under_test
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global GXX_UNDER_TEST save_gxx_under_test
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global CXXFLAGS save_cxxflags
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global CXXFLAGS save_cxxflags
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global ALWAYS_CXXFLAGS save_always_cxxflags
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global ALWAYS_CXXFLAGS save_always_cxxflags
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global ld_library_path save_ld_library_path
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global ld_library_path save_ld_library_path
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global same_alt
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global same_alt
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# We don't need to do this if the alternate compiler is actually
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# We don't need to do this if the alternate compiler is actually
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# the same as the compiler under test.
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# the same as the compiler under test.
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if { $same_alt == 0 } then {
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if { $same_alt == 0 } then {
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set GXX_UNDER_TEST $save_gxx_under_test
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set GXX_UNDER_TEST $save_gxx_under_test
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set CXXFLAGS $save_cxxflags
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set CXXFLAGS $save_cxxflags
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set ALWAYS_CXXFLAGS $save_always_cxxflags
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set ALWAYS_CXXFLAGS $save_always_cxxflags
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set ld_library_path $save_ld_library_path
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set ld_library_path $save_ld_library_path
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set_ld_library_path_env_vars
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set_ld_library_path_env_vars
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}
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}
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}
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}
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# Load the language-independent compabibility support procedures.
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# Load the language-independent compabibility support procedures.
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# This must be done after the compat-use-*-compiler definitions.
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# This must be done after the compat-use-*-compiler definitions.
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load_lib compat.exp
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load_lib compat.exp
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g++_init
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g++_init
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# Save variables for the C++ compiler under test, which each test will
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# Save variables for the C++ compiler under test, which each test will
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# change a couple of times. This must be done after calling g++-init.
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# change a couple of times. This must be done after calling g++-init.
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set save_gxx_under_test $GXX_UNDER_TEST
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set save_gxx_under_test $GXX_UNDER_TEST
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set save_cxxflags $CXXFLAGS
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set save_cxxflags $CXXFLAGS
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set save_always_cxxflags $ALWAYS_CXXFLAGS
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set save_always_cxxflags $ALWAYS_CXXFLAGS
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set save_ld_library_path $ld_library_path
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set save_ld_library_path $ld_library_path
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# Define an identifier for use with this suite to avoid name conflicts
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# Define an identifier for use with this suite to avoid name conflicts
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# with other compat tests running at the same time.
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# with other compat tests running at the same time.
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set sid "cp_compat"
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set sid "cp_compat"
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# Find out whether there is an alternate compiler to test. If the
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# Find out whether there is an alternate compiler to test. If the
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# variable is defined but is set to "same", that means we use the same
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# variable is defined but is set to "same", that means we use the same
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# compiler twice, which is meaningful if the two parts of COMPAT_OPTIONS
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# compiler twice, which is meaningful if the two parts of COMPAT_OPTIONS
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# are different.
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# are different.
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set use_alt 0
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set use_alt 0
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set same_alt 0
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set same_alt 0
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set alt_ld_library_path "."
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set alt_ld_library_path "."
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if [info exists ALT_CXX_UNDER_TEST] then {
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if [info exists ALT_CXX_UNDER_TEST] then {
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set use_alt 1
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set use_alt 1
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if [string match "same" $ALT_CXX_UNDER_TEST] then {
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if [string match "same" $ALT_CXX_UNDER_TEST] then {
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set same_alt 1
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set same_alt 1
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} else {
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} else {
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if [info exists ALT_LD_LIBRARY_PATH] then {
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if [info exists ALT_LD_LIBRARY_PATH] then {
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append alt_ld_library_path ":${ALT_LD_LIBRARY_PATH}"
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append alt_ld_library_path ":${ALT_LD_LIBRARY_PATH}"
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}
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}
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}
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}
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}
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}
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# Main loop.
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# Main loop.
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foreach src [lsort [find $srcdir/$subdir *_main.C]] {
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foreach src [lsort [find $srcdir/$subdir *_main.C]] {
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# If we're only testing specific files and this isn't one of them, skip it.
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# If we're only testing specific files and this isn't one of them, skip it.
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if ![runtest_file_p $runtests $src] then {
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if ![runtest_file_p $runtests $src] then {
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continue
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continue
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}
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}
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compat-execute $src $sid $use_alt
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compat-execute $src $sid $use_alt
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}
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}
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# Restore the original compiler under test.
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# Restore the original compiler under test.
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compat-use-tst-compiler
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compat-use-tst-compiler
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