Add tests to check "cc" can compile a working hello world.

(this test fails at least on riz's macppc)

tests/Makefile

@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.29 2011/02/03 15:38:18 pooka Exp $
+# $NetBSD: Makefile,v 1.30 2011/02/24 10:24:23 pooka Exp $
 
 .include <bsd.own.mk>
 
@@ -8,7 +8,7 @@ TESTSDIR=	${TESTSBASE}
 ATFFILE=	yes
 
 SUBDIR=		crypto dev fs games include ipf kernel lib libexec net
-SUBDIR+=	rump sbin sys syscall usr.bin usr.sbin util
+SUBDIR+=	rump sbin sys syscall toolchain usr.bin usr.sbin util
 
 . if ${MACHINE} != "evbppc" && ${MKKMOD} != "no"
 SUBDIR+= modules

tests/toolchain/Makefile

@@ -0,0 +1,10 @@
+#	$NetBSD: Makefile,v 1.1 2011/02/24 10:24:23 pooka Exp $
+#
+
+.include <bsd.own.mk>
+
+TESTSDIR=       ${TESTSBASE}/toolchain
+
+TESTS_SUBDIRS+= cc
+
+.include <bsd.test.mk>

tests/toolchain/cc/Makefile

@@ -0,0 +1,10 @@
+#	$NetBSD: Makefile,v 1.1 2011/02/24 10:24:24 pooka Exp $
+#
+
+.include <bsd.own.mk>
+
+TESTSDIR=	${TESTSBASE}/toolchain/cc
+
+TESTS_SH=	t_hello
+
+.include <bsd.test.mk>

tests/toolchain/cc/t_hello.sh

@@ -0,0 +1,72 @@
+#	$NetBSD: t_hello.sh,v 1.1 2011/02/24 10:24:24 pooka Exp $
+#
+# Copyright (c) 2011 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+atf_test_case hello
+hello_head() {
+	atf_set "descr" "compile and run \"hello world\""
+}
+
+atf_test_case hello_pic
+hello_pic_head() {
+	atf_set "descr" "compile and run PIC \"hello world\""
+}
+
+hello_body() {
+	cat > test.c << EOF
+#include <stdio.h>
+#include <stdlib.h>
+int main(void) {printf("hello world\n");exit(0);}
+EOF
+	atf_check -s exit:0 -o ignore -e ignore cc -o hello test.c
+	atf_check -s exit:0 -o inline:"hello world\n" ./hello
+}
+
+hello_pic_body() {
+	cat > test.c << EOF
+#include <stdlib.h>
+int main(void) {callpic();exit(0);}
+EOF
+	cat > pic.c << EOF
+#include <stdio.h>
+int callpic(void) {printf("hello world\n");}
+EOF
+
+	atf_check -s exit:0 -o ignore -e ignore \
+	    cc -fPIC -dPIC -shared -o libtest.so pic.c
+	atf_check -s exit:0 -o ignore -e ignore \
+	    cc -o hello test.c -L. -ltest
+
+	export LD_LIBRARY_PATH=.
+	atf_check -s exit:0 -o inline:"hello world\n" ./hello
+}
+
+atf_init_test_cases()
+{
+
+	atf_add_test_case hello
+	atf_add_test_case hello_pic
+}