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$description = "Test the call function.\n";
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$details = "Try various uses of call and ensure they all give the correct
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open(MAKEFILE, "> $makefile");
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# The Contents of the MAKEFILE ...
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print MAKEFILE <<'EOMAKE';
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# Simple, just reverse two things
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# A complex 'map' function, using recursive 'call'.
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map = $(foreach a,$2,$(call $1,$a))
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# Test using a builtin; this is silly as it's simpler to do without call
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my-notdir = $(call notdir,$(1))
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# Test using non-expanded builtins
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my-foreach = $(foreach $(1),$(2),$(3))
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my-if = $(if $(1),$(2),$(3))
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# Test recursive invocations of call with different arguments
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two = $(call one,$(1),foo,$(2))
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# Test recursion on the user-defined function. As a special case make
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# won't error due to this.
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# Implement transitive closure using $(call ...)
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DEP_foo = bar baz quux
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rest = $(wordlist 2,$(words ${1}),${1})
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tclose = $(if $1,$(firstword $1)\
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$(call tclose,$(sort ${DEP_$(firstword $1)} $(call rest,$1))))
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all: ; @echo '$(call reverse,bar,foo)'; \
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echo '$(call map,origin,MAKE reverse map)'; \
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echo '$(call my-notdir,a/b c/d e/f)'; \
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echo '$(call my-foreach)'; \
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echo '$(call my-foreach,a,,,)'; \
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echo '$(call my-if,a,b,c)'; \
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echo '$(call two,bar,baz)'; \
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echo '$(call tclose,foo)'
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# These won't work until/unless PR/1527 is resolved.
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# echo '$(call my-foreach,a,x y z,$(a)$(a))'; \
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# echo '$(call my-if,,$(warning don't print this),ok)'
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# $answer = "xx yy zz\nok\n";
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# END of Contents of MAKEFILE
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&run_make_with_options($makefile, "", &get_logfile);
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$answer = "foo bar\ndefault file file\nb d f\n\n\nb\nbar foo baz\nfoo bar baz blarp quux \n";
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&compare_output($answer, &get_logfile(1));
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# TEST eclipsing of arguments when invoking sub-calls
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$makefile2 = &get_tmpfile;
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open(MAKEFILE,"> $makefile2");
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print MAKEFILE <<'EOF';
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all = $1 $2 $3 $4 $5 $6 $7 $8 $9
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level1 = $(call all,$1,$2,$3,$4,$5)
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level2 = $(call level1,$1,$2,$3)
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level3 = $(call level2,$1,$2,$3,$4,$5)
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@echo $(call all,1,2,3,4,5,6,7,8,9,10,11)
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@echo $(call level1,1,2,3,4,5,6,7,8)
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@echo $(call level2,1,2,3,4,5,6,7,8)
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@echo $(call level3,1,2,3,4,5,6,7,8)
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&run_make_with_options($makefile2, "", &get_logfile);
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$answer = "1 2 3 4 5 6 7 8 9\n1 2 3 4 5\n1 2 3\n1 2 3\n";
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&compare_output($answer,&get_logfile(1));
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# Ensure that variables are defined in global scope even in a $(call ...)
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tst = $(eval export X123)
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all: ; @echo "$${X123-not set}"
added
removed
tests/scripts/functions/call
