3 $description = "Test proper handling of SHELL.";
5 # Find the default value when SHELL is not set. On UNIX it will be /bin/sh,
6 # but on other platforms who knows?
9 $mshell = `echo 'all:;\@echo \$(SHELL)' | $make_path -f-`;
12 # According to POSIX, the value of SHELL in the environment has no impact on
13 # the value in the makefile.
14 # Note %extraENV takes precedence over the default value for the shell.
16 $extraENV{SHELL} = '/dev/null';
17 run_make_test('all:;@echo "$(SHELL)"', '', $mshell);
19 # According to POSIX, any value of SHELL set in the makefile should _NOT_ be
20 # exported to the subshell! I wanted to set SHELL to be $^X (perl) in the
21 # makefile, but make runs $(SHELL) -c 'commandline' and that doesn't work at
22 # all when $(SHELL) is perl :-/. So, we just add an extra initial /./ which
23 # works well on UNIX and seems to work OK on at least some non-UNIX systems.
25 $extraENV{SHELL} = $mshell;
27 run_make_test("SHELL := /./$mshell\n".'
28 all:;@echo "$(SHELL) $$SHELL"
29 ', '', "/./$mshell $mshell");
31 # As a GNU make extension, if make's SHELL variable is explicitly exported,
32 # then we really _DO_ export it.
34 $extraENV{SHELL} = $mshell;
36 run_make_test("export SHELL := /./$mshell\n".'
37 all:;@echo "$(SHELL) $$SHELL"
38 ', '', "/./$mshell /./$mshell");
41 # Test out setting of SHELL, both exported and not, as a target-specific
44 $extraENV{SHELL} = $mshell;
46 run_make_test("all: SHELL := /./$mshell\n".'
47 all:;@echo "$(SHELL) $$SHELL"
48 ', '', "/./$mshell $mshell");
50 $extraENV{SHELL} = $mshell;
55 two: export SHELL := /./$mshell\n".'
56 one two:;@echo "$@: $(SHELL) $$SHELL"
57 ', '', "two: /./$mshell /./$mshell\none: /././$mshell $mshell\n");
61 # We don't know the output here: on Solaris for example, every line printed
62 # by the shell in -x mode has a trailing space (!!)
63 my $script = 'true; true';
65 my $out = `/bin/sh $flags '$script' 2>&1`;
73 # We can't just use "false" because on different systems it provides a
74 # different exit code--once again Solaris: false exits with 255 not 1
75 $script = 'true; false; true';
77 $out = `/bin/sh $flags '$script' 2>&1`;
84 '', "$out#MAKEFILE#:3: recipe for target `all' failed
85 #MAKE#: *** [all] Error $err\n", 512);