| # -*-perl-*- |
| $description = "Test the call function.\n"; |
| |
| $details = "Try various uses of call and ensure they all give the correct |
| results.\n"; |
| |
| run_make_test(q! |
| # Simple, just reverse two things |
| # |
| reverse = $2 $1 |
| |
| # A complex 'map' function, using recursive 'call'. |
| # |
| map = $(foreach a,$2,$(call $1,$a)) |
| |
| # Test using a builtin; this is silly as it's simpler to do without call |
| # |
| my-notdir = $(call notdir,$(1)) |
| |
| # Test using non-expanded builtins |
| # |
| my-foreach = $(foreach $(1),$(2),$(3)) |
| my-if = $(if $(1),$(2),$(3)) |
| |
| # Test recursive invocations of call with different arguments |
| # |
| one = $(1) $(2) $(3) |
| two = $(call one,$(1),foo,$(2)) |
| |
| # Test recursion on the user-defined function. As a special case make |
| # won't error due to this. |
| # Implement transitive closure using $(call ...) |
| # |
| DEP_foo = bar baz quux |
| DEP_baz = quux blarp |
| rest = $(wordlist 2,$(words ${1}),${1}) |
| tclose = $(if $1,$(firstword $1)\ |
| $(call tclose,$(sort ${DEP_$(firstword $1)} $(call rest,$1)))) |
| |
| all: ; @echo '$(call reverse,bar,foo)'; \ |
| echo '$(call map,origin,MAKE reverse map)'; \ |
| echo '$(call my-notdir,a/b c/d e/f)'; \ |
| echo '$(call my-foreach)'; \ |
| echo '$(call my-foreach,a,,,)'; \ |
| echo '$(call my-if,a,b,c)'; \ |
| echo '$(call two,bar,baz)'; \ |
| echo '$(call tclose,foo)'; |
| !, |
| "", "foo bar\ndefault file file\nb d f\n\n\nb\nbar foo baz\nfoo bar baz blarp quux \n"); |
| |
| # These won't work because call expands all its arguments first, before |
| # passing them on, then marks them as resolved/simple, so they're not |
| # expanded again by the function. |
| # |
| # echo '$(call my-foreach,a,x y z,$$(a)$$(a))'; \ |
| # echo '$(call my-if,,$$(info don't print this),$$(info do print this))' |
| # |
| # $answer = "xx yy zz\ndo print this\n"; |
| |
| # TEST eclipsing of arguments when invoking sub-calls |
| |
| run_make_test(q! |
| all = $1 $2 $3 $4 $5 $6 $7 $8 $9 |
| |
| level1 = $(call all,$1,$2,$3,$4,$5) |
| level2 = $(call level1,$1,$2,$3) |
| level3 = $(call level2,$1,$2,$3,$4,$5) |
| |
| all: |
| @echo $(call all,1,2,3,4,5,6,7,8,9,10,11) |
| @echo $(call level1,1,2,3,4,5,6,7,8) |
| @echo $(call level2,1,2,3,4,5,6,7,8) |
| @echo $(call level3,1,2,3,4,5,6,7,8) |
| !, |
| "", "1 2 3 4 5 6 7 8 9\n1 2 3 4 5\n1 2 3\n1 2 3\n"); |
| |
| # Ensure that variables are defined in global scope even in a $(call ...) |
| |
| delete $ENV{X123}; |
| |
| run_make_test(' |
| tst = $(eval export X123) |
| $(call tst) |
| all: ; @echo "$${X123-not set}" |
| ', |
| '', "\n"); |
| |
| 1; |
| |
| ### Local Variables: |
| ### eval: (setq whitespace-action (delq 'auto-cleanup whitespace-action)) |
| ### End: |