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9052b52dfc
properly. Fix configure: allow cross-compilation; fix getloadavg (still needs _lots_ of work!) Let $(call ...) functions to be self-referencing. Lets us do transitive closures, for example.
72 lines
1.9 KiB
Perl
72 lines
1.9 KiB
Perl
# -*-perl-*-
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$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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results.\n";
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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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#
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reverse = $2 $1
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# A complex `map' function, using recursive `call'.
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#
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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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#
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my-notdir = $(call notdir,$(1))
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# Test using non-expanded builtins
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#
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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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#
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one = $(1) $(2) $(3)
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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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#
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DEP_foo = bar baz quux
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DEP_baz = quux blarp
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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 '$(call tclose,foo)'
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EOMAKE
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# These won't work until/unless PR/1527 is resolved.
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# echo '$(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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#
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# $answer = "xx yy zz\nok\n";
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# END of Contents of MAKEFILE
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close(MAKEFILE);
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&run_make_with_options($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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1;
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