blob: 34e72be435da81c091616e9172e898ba4c696cb6 [file] [log] [blame]
# -*-perl-*-
$description = "Test proper handling of SHELL.";
# If we don't have a POSIX shell available, never mind
$is_posix_sh or return -1;
# On Windows, shell names might not match
if ($port_type eq 'W32') {
return -1;
}
$mshell = $sh_name;
# According to POSIX, the value of SHELL in the environment has no impact on
# the value in the makefile.
$ENV{SHELL} = '/dev/null';
run_make_test('all:;@echo "$(SHELL)"', '', $mshell);
# According to POSIX, any value of SHELL set in the makefile should _NOT_ be
# exported to the subshell! I wanted to set SHELL to be $^X (perl) in the
# makefile, but make runs $(SHELL) -c 'commandline' and that doesn't work at
# all when $(SHELL) is perl :-/. So, we just add an extra initial /./ which
# works well on UNIX and seems to work OK on at least some non-UNIX systems.
$ENV{SHELL} = $mshell;
my $altshell = "/./$mshell";
my $altshell2 = "/././$mshell";
if ($mshell =~ m,^([a-zA-Z]:)([\\/])(.*),) {
$altshell = "$1$2.$2$3";
$altshell2 = "$1$2.$2.$2$3";
}
run_make_test("SHELL := $altshell\n".'
all:;@echo "$(SHELL) $$SHELL"
', '', "$altshell $mshell");
# As a GNU make extension, if make's SHELL variable is explicitly exported,
# then we really _DO_ export it.
$ENV{SHELL} = $mshell;
run_make_test("export SHELL := $altshell\n".'
all:;@echo "$(SHELL) $$SHELL"
', '', "$altshell $altshell");
# Test out setting of SHELL, both exported and not, as a target-specific
# variable.
$ENV{SHELL} = $mshell;
run_make_test("all: SHELL := $altshell\n".'
all:;@echo "$(SHELL) $$SHELL"
', '', "$altshell $mshell");
$ENV{SHELL} = $mshell;
run_make_test("
SHELL := $altshell2
one: two
two: export SHELL := $altshell\n".'
one two:;@echo "$@: $(SHELL) $$SHELL"
', '', "two: $altshell $altshell\none: $altshell2 $mshell\n");
# Test .SHELLFLAGS
# We don't know the output here: on Solaris for example, every line printed
# by the shell in -x mode has a trailing space (!!)
my $script = 'true; true';
my $flags = '-xc';
my $out = `$sh_name $flags '$script' 2>&1`;
run_make_test(qq!
.SHELLFLAGS = $flags
all: ; \@$script
!,
'', $out);
# Do it again but add spaces to SHELLFLAGS
# Some shells (*shakes fist at Solaris*) cannot handle multiple flags in
# separate arguments.
my $t = `$sh_name -e -c true 2>/dev/null`;
my $multi_ok = $? == 0;
if ($multi_ok) {
$flags = '-x -c';
run_make_test(qq!
.SHELLFLAGS = $flags
all: ; \@$script
!,
'', $out);
}
# We can't just use "false" because on different systems it provides a
# different exit code--once again Solaris: false exits with 255 not 1
$script = 'true; false; true';
$flags = '-xec';
$out = `$sh_name $flags '$script' 2>&1`;
my $err = $? >> 8;
run_make_test(qq!
.SHELLFLAGS = $flags
all: ; \@$script
!,
'', "$out#MAKE#: *** [#MAKEFILE#:3: all] Error $err\n", 512);
1;