| # Copyright (C) 2008-2022 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/>. |
| |
| # GCC testsuite that uses the `dg.exp' driver. |
| |
| # This folder contains compile tests that set dg-options to |
| # some -mmcu=<MCU> which might collide with the MCU set by the |
| # target board. This in turn will fail the test case due to |
| # "error: specified option '-mmcu' more than once". |
| # |
| # Hence we filter out -mmcu= from cflags and --tool_opts before |
| # running the tests in this folder. |
| |
| # Exit immediately if this isn't an AVR target. |
| if ![istarget avr-*-*] then { |
| return |
| } |
| |
| # Return the saved values of the variable_list |
| proc save_variables { variable_list } { |
| set saved_variable { } |
| |
| foreach variable $variable_list { |
| upvar 1 $variable var |
| |
| set save($variable) $var |
| lappend saved_variable $save($variable) |
| } |
| return $saved_variable |
| } |
| |
| # Restore the values of the variable_list |
| proc restore_variables { variable_list saved_variable } { |
| foreach variable $variable_list value $saved_variable { |
| upvar 1 $variable var |
| set var $value |
| } |
| } |
| |
| # Filter out -mmcu= options |
| proc filter_out_mmcu { options } { |
| set reduced {} |
| |
| foreach option [ split $options ] { |
| if { ![ regexp "\-mmcu=.*" $option ] } { |
| lappend reduced $option |
| } |
| } |
| |
| return [ join $reduced " " ] |
| } |
| |
| # Load support procs. |
| load_lib gcc-dg.exp |
| |
| # If a testcase doesn't have special options, use these. |
| global DEFAULT_CFLAGS |
| if ![info exists DEFAULT_CFLAGS] then { |
| set DEFAULT_CFLAGS " -ansi -pedantic-errors" |
| } |
| |
| # If no --tool_opts were specified, use empty ones. |
| if ![info exists TOOL_OPTIONS] then { |
| set TOOL_OPTIONS "" |
| } |
| |
| # Initialize `dg'. |
| dg-init |
| |
| # Save |
| set variablelist [ list TOOL_OPTIONS board_info([target_info name],cflags) ] |
| set saved_value [ save_variables $variablelist ] |
| |
| # Filter-out -mmcu= |
| set TOOL_OPTIONS [ filter_out_mmcu $TOOL_OPTIONS ] |
| set board_info([ target_info name ],cflags) [ filter_out_mmcu $board_info([ target_info name ],cflags) ] |
| |
| # Main loop. |
| dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.{\[cCS\],cpp}]] \ |
| "" $DEFAULT_CFLAGS |
| |
| # Restore |
| restore_variables $variablelist $saved_value |
| |
| set dg_runtest_extra_prunes "" |
| |
| # All done. |
| dg-finish |