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# -*-perl-*-
# $Id$
$description = "Test the foreach function.";
$details = "This is a test of the foreach function in gnu make.
This function starts with a space separated list of
names and a variable. Each name in the list is subsituted
into the variable and the given text evaluated. The general
form of the command is $(foreach var,$list,$text). Several
types of foreach loops are tested\n";
# TEST 0
# Set an environment variable that we can test in the makefile.
# kmk: CC isn't a default.
$extraENV{FOOFOO} = 'foo foo';
$CC_origin = $is_kmk ? "undefined" : "default";
run_make_test("space = ' '".'
null :=
auto_var = udef space CC null FOOFOO MAKE foo CFLAGS WHITE @ <
foo = bletch null @ garf
av = $(foreach var, $(auto_var), $(origin $(var)) )
override WHITE := BLACK
for_var = $(addsuffix .c,foo $(null) $(foo) $(space) $(av) )
fe = $(foreach var2, $(for_var),$(subst .c,.o, $(var2) ) )
all: auto for2
auto : ; @echo $(av)
for2: ; @echo $(fe)',
'-j1 -e WHITE=WHITE CFLAGS=',
"undefined file ". $CC_origin ." file environment default file command line override automatic automatic
foo.o bletch.o null.o @.o garf.o .o .o undefined.o file.o ". $CC_origin .".o file.o environment.o default.o file.o command.o line.o override.o automatic.o automatic.o");
delete $extraENV{FOOFOO};
# TEST 1: Test that foreach variables take precedence over global
# variables in a global scope (like inside an eval). Tests bug #11913
run_make_test('
.PHONY: all target
all: target
x := BAD
define mktarget
target: x := $(x)
target: ; @echo "$(x)"
endef
x := GLOBAL
$(foreach x,FOREACH,$(eval $(value mktarget)))',
'',
'FOREACH');
# Allow variable names with trailing space
run_make_test(q!
$(foreach \
a \
, b c d \
, $(info $a))
all:;@:
!,
"", "b\nc\nd\n");
# Allow empty variable names. We still expand the body.
run_make_test('
x = $(foreach ,1 2 3,a)
y := $x
all: ; @echo $y',
'', "a a a\n");
# Check some error conditions.
run_make_test('
x = $(foreach )
y = $x
all: ; @echo $y',
'',
"#MAKEFILE#:2: *** insufficient number of arguments (1) to function 'foreach'. Stop.",
512);
run_make_test('
x = $(foreach x,y)
y := $x
all: ; @echo $y',
'',
"#MAKEFILE#:2: *** insufficient number of arguments (2) to function 'foreach'. Stop.",
512);
1;
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