#!/bin/sh
setglobal srctree = $[dirname $0]

setglobal SHOW_ERROR = ''
if test $1 = "--show-error"  {
	setglobal SHOW_ERROR = '1'
	shift || true
}

setglobal gccplugins_dir = $[$3 -print-file-name=plugin]
setglobal plugincc = $[$1 -E -x c++ - -o /dev/null -I"$(srctree)"/gcc-plugins -I"$(gccplugins_dir)"/include !2 > !1 << """
#include "gcc-common.h"
#if BUILDING_GCC_VERSION >= 4008 || defined(ENABLE_BUILD_WITH_CXX)
#warning $2 CXX
#else
#warning $1 CC
#endif
"""
]

if test $Status -ne 0
{
	if test -n $SHOW_ERROR  {
		echo $(plugincc) > !2
	}
	exit 1
}

match $plugincc {
	with *"$1 CC"*
		echo $1
		exit 0
		

	with *"$2 CXX"*
		# the c++ compiler needs another test, see below
		

	with *
		exit 1
		
}

# we need a c++ compiler that supports the designated initializer GNU extension
setglobal plugincc = $[$2 -c -x c++ -std=gnu++98 - -fsyntax-only -I"$(srctree)"/gcc-plugins -I"$(gccplugins_dir)"/include !2 > !1 << """
#include "gcc-common.h"
class test {
public:
	int test;
} test = {
	.test = 1
};
"""
]

if test $Status -eq 0
{
	echo $2
	exit 0
}

if test -n $SHOW_ERROR  {
	echo $(plugincc) > !2
}
exit 1