#!/bin/sh# SPDX-License-Identifier: GPL-2.0srctree=$(dirname "$0") SHOW_ERROR=if [ "$1" = "--show-error" ] ; then	SHOW_ERROR=1	shift || truefi gccplugins_dir=$($3 -print-file-name=plugin)plugincc=$($1 -E -x c++ - -o /dev/null -I"${srctree}"/gcc-plugins -I"${gccplugins_dir}"/include 2>&1 <<EOF#include "gcc-common.h"#if BUILDING_GCC_VERSION >= 4008 || defined(ENABLE_BUILD_WITH_CXX)#warning $2 CXX#else#warning $1 CC#endifEOF) if [ $? -ne 0 ]then	if [ -n "$SHOW_ERROR" ] ; then		echo "${plugincc}" >&2	fi	exit 1fi case "$plugincc" in	*"$1 CC"*)		echo "$1"		exit 0		;; 	*"$2 CXX"*)		# the c++ compiler needs another test, see below		;; 	*)		exit 1		;;esac # we need a c++ compiler that supports the designated initializer GNU extensionplugincc=$($2 -c -x c++ -std=gnu++98 - -fsyntax-only -I"${srctree}"/gcc-plugins -I"${gccplugins_dir}"/include 2>&1 <<EOF#include "gcc-common.h"class test {public:	int test;} test = {	.test = 1};EOF) if [ $? -eq 0 ]then	echo "$2"	exit 0fi if [ -n "$SHOW_ERROR" ] ; then	echo "${plugincc}" >&2fiexit 1