Add a test that test whether we can replace the shell to use by

make with another shell and set all its parameters (meta and builtins
not tested here).

tools/regression/usr.bin/make/shell/replace/Makefile

@@ -0,0 +1,33 @@
+#
+# Test that we can replace the shell and set all the shell parameters
+# (except meta and builtin which have their own test). This is done by
+# using a shell script for the shell that echoes all command line
+# arguments and its standard input. The shell name should not be one of
+# the builtin shells.
+#
+# XXX There seems to be a problem here in -j1 mode: for the line without
+# @- make should switch on echoing again, but it doesn't.
+#
+# $FreeBSD$
+
+all: shell
+	${MAKE} test1
+	${MAKE} -j1 test1
+
+shell: sh.sh
+	@cp ${.CURDIR}/sh.sh ${.OBJDIR}/shell
+	@chmod +x ${.OBJDIR}/shell
+
+.ifmake test1
+
+.SHELL: name="shell" path="${.OBJDIR}/shell"			\
+	quiet="be quiet" echo="be verbose" filter="be verbose"	\
+	echoFlag="x" errFlag="y"				\
+	hasErrCtl=y check="check errors" ignore="ignore errors"
+
+.PHONY: test1
+test1:
+	-@funny $$
+	funnier $$
+
+.endif

tools/regression/usr.bin/make/shell/replace/expected.status

@@ -0,0 +1 @@
+2

tools/regression/usr.bin/make/shell/replace/expected.stderr

@@ -0,0 +1 @@
+make: don't know how to make sh.sh. Stop

tools/regression/usr.bin/make/shell/replace/sh.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+# $FreeBSD$
+echo $@
+if ! test -t 0 ; then
+	cat
+fi

tools/regression/usr.bin/make/shell/replace/test.t

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+# $FreeBSD$
+
+cd `dirname $0`
+. ../../common.sh
+
+desc_test()
+{
+	echo "Check that the shell can be replaced."
+}
+
+eval_cmd $1