Implementation of the second expansion in explicit

rules, static pattern rules and implicit rules.

tests/scripts/features/se_explicit

@@ -0,0 +1,105 @@
+#                                                                    -*-perl-*-
+$description = "Test second expansion in ordinary rules.";
+
+$details = "";
+
+# Test #1: automatic variables.
+#
+run_make_test('
+.DEFAULT: ; @echo $@
+
+foo: bar baz
+
+foo: biz | buz
+
+foo: $$@.1 \
+     $$<.2 \
+     $$(addsuffix .3,$$^) \
+     $$(addsuffix .4,$$+) \
+     $$|.5 \
+     $$*.6
+
+',
+'',
+'bar
+baz
+biz
+buz
+foo.1
+bar.2
+bar.3
+baz.3
+biz.3
+bar.4
+baz.4
+biz.4
+buz.5
+.6
+');
+
+
+# Test #2: target/pattern -specific variables.
+#
+run_make_test('
+.DEFAULT: ; @echo $@
+
+foo.x: $$a $$b
+
+foo.x: a := bar
+
+%.x: b := baz
+
+',
+'',
+'bar
+baz
+');
+
+
+# Test #3: order of prerequisites.
+#
+run_make_test('
+.DEFAULT: ; @echo $@
+
+all: foo bar baz
+
+# Subtest #1
+#
+foo: foo.1; @:
+
+foo: foo.2
+
+foo: foo.3
+
+
+# Subtest #2
+#
+bar: bar.2
+
+bar: bar.1; @:
+
+bar: bar.3
+
+
+# Subtest #3
+#
+baz: baz.1
+
+baz: baz.2
+
+baz: ; @:
+
+',
+'',
+'foo.1
+foo.2
+foo.3
+bar.1
+bar.2
+bar.3
+baz.1
+baz.2
+');
+
+# This tells the test driver that the perl test script executed properly.
+1;

tests/scripts/features/se_implicit

@@ -0,0 +1,188 @@
+#                                                                    -*-perl-*-
+$description = "Test second expansion in ordinary rules.";
+
+$details = "";
+
+use Cwd;
+
+$dir = cwd;
+$dir =~ s,.*/([^/]+)$,../$1,;
+
+
+# Test #1: automatic variables.
+#
+run_make_test('
+.DEFAULT: ; @echo $@
+
+foo.a: bar baz
+
+foo.a: biz | buz
+
+foo.%: 1.$$@ \
+       2.$$< \
+       $$(addprefix 3.,$$^) \
+       $$(addprefix 4.,$$+) \
+       5.$$| \
+       6.$$*
+	@:
+
+1.foo.a \
+2.bar \
+3.bar \
+3.baz \
+3.biz \
+4.bar \
+4.baz \
+4.biz \
+5.buz \
+6.a:
+	@echo $@
+
+',
+'',
+'1.foo.a
+2.bar
+3.bar
+3.baz
+3.biz
+4.bar
+4.baz
+4.biz
+5.buz
+6.a
+bar
+baz
+biz
+buz
+');
+
+
+# Test #2: target/pattern -specific variables.
+#
+run_make_test('
+foo.x:
+
+foo.%: $$(%_a) $$(%_b) bar
+	@:
+
+foo.x: x_a := bar
+
+%.x: x_b := baz
+
+bar baz: ; @echo $@
+
+',
+'',
+'bar
+baz
+');
+
+
+# Test #3: order of prerequisites.
+#
+run_make_test('
+.DEFAULT: ; @echo $@
+
+all: foo bar baz
+
+
+# Subtest #1
+#
+%oo: %oo.1; @:
+
+foo: foo.2
+
+foo: foo.3
+
+foo.1: ; @echo $@
+
+
+# Subtest #2
+#
+bar: bar.2
+
+%ar: %ar.1; @:
+
+bar: bar.3
+
+bar.1: ; @echo $@
+
+
+# Subtest #3
+#
+baz: baz.1
+
+baz: baz.2
+
+%az: ; @:
+
+',
+'',
+'foo.1
+foo.2
+foo.3
+bar.1
+bar.2
+bar.3
+baz.1
+baz.2
+');
+
+
+# Test #4: stem splitting logic.
+#
+run_make_test('
+$(dir)/tmp/bar.o:
+
+$(dir)/tmp/foo/bar.c: ; @echo $@
+$(dir)/tmp/bar/bar.c: ; @echo $@
+foo.h: ; @echo $@
+
+%.o: $$(addsuffix /%.c,foo bar) foo.h
+	@echo $@: {$<} $^
+
+',
+"dir=$dir",
+"$dir/tmp/foo/bar.c
+$dir/tmp/bar/bar.c
+foo.h
+$dir/tmp/bar.o: {$dir/tmp/foo/bar.c} $dir/tmp/foo/bar.c $dir/tmp/bar/bar.c foo.h
+");
+
+
+# Test #5: stem splitting logic and order-only prerequisites.
+#
+run_make_test('
+$(dir)/tmp/foo.o: $(dir)/tmp/foo.c
+$(dir)/tmp/foo.c: ; @echo $@
+bar.h: ; @echo $@
+
+%.o: %.c|bar.h
+	@echo $@: {$<} {$|} $^
+
+',
+"dir=$dir",
+"$dir/tmp/foo.c
+bar.h
+$dir/tmp/foo.o: {$dir/tmp/foo.c} {bar.h} $dir/tmp/foo.c
+");
+
+
+# Test #6: lack of implicit prerequisites.
+#
+run_make_test('
+foo.o: foo.c
+foo.c: ; @echo $@
+
+%.o:
+	@echo $@: {$<} $^
+
+',
+'',
+'foo.c
+foo.o: {foo.c} foo.c
+');
+
+
+# This tells the test driver that the perl test script executed properly.
+1;

tests/scripts/features/se_statpat

@@ -0,0 +1,106 @@
+#                                                                    -*-perl-*-
+$description = "Test second expansion in static pattern rules.";
+
+$details = "";
+
+# Test #1: automatic variables.
+#
+run_make_test('
+.DEFAULT: ; @echo $@
+
+foo.a foo.b: foo.%: bar.% baz.%
+
+foo.a foo.b: foo.%: biz.% | buz.%
+
+foo.a foo.b: foo.%: $$@.1 \
+                    $$<.2 \
+                    $$(addsuffix .3,$$^) \
+                    $$(addsuffix .4,$$+) \
+                    $$|.5 \
+                    $$*.6
+
+',
+'',
+'bar.a
+baz.a
+biz.a
+buz.a
+foo.a.1
+bar.a.2
+bar.a.3
+baz.a.3
+biz.a.3
+bar.a.4
+baz.a.4
+biz.a.4
+buz.a.5
+a.6
+');
+
+
+# Test #2: target/pattern -specific variables.
+#
+run_make_test('
+.DEFAULT: ; @echo $@
+
+foo.x foo.y: foo.%: $$(%_a) $$($$*_b)
+
+foo.x: x_a := bar
+
+%.x: x_b := baz
+
+
+',
+'',
+'bar
+baz
+');
+
+
+# Test #3: order of prerequisites.
+#
+run_make_test('
+.DEFAULT: ; @echo $@
+
+all: foo.a bar.a baz.a
+
+# Subtest #1
+#
+foo.a foo.b: foo.%: foo.%.1; @:
+
+foo.a foo.b: foo.%: foo.%.2
+
+foo.a foo.b: foo.%: foo.%.3
+
+
+# Subtest #2
+#
+bar.a bar.b: bar.%: bar.%.2
+
+bar.a bar.b: bar.%: bar.%.1; @:
+
+bar.a bar.b: bar.%: bar.%.3
+
+
+# Subtest #3
+#
+baz.a baz.b: baz.%: baz.%.1
+
+baz.a baz.b: baz.%: baz.%.2
+
+baz.a baz.b: ; @:
+
+',
+'',
+'foo.a.1
+foo.a.2
+foo.a.3
+bar.a.1
+bar.a.2
+bar.a.3
+baz.a.1
+baz.a.2
+');
+
+# This tells the test driver that the perl test script executed properly.
+1;

tests/scripts/misc/general4

@@ -6,9 +6,6 @@ which have either broken at some point in the past or seem likely to
 break.";
 
 open(MAKEFILE,"> $makefile");
-
-# The contents of the Makefile ...
-
 print MAKEFILE <<'EOF';
 # Make sure that subdirectories built as prerequisites are actually handled
 # properly.
@@ -21,11 +18,36 @@ dir/subdir/file.b: dir/subdir ; @echo touch dir/subdir/file.b
 
 dir/subdir/%.a: dir/subdir/%.b ; @echo cp $< $@
 EOF
-
 close(MAKEFILE);
 
 &run_make_with_options($makefile,"",&get_logfile);
 $answer = "mkdir -p dir/subdir\ntouch dir/subdir/file.b\ncp dir/subdir/file.b dir/subdir/file.a\n";
 &compare_output($answer,&get_logfile(1));
 
+
+# Test implicit rules
+
+&touch('foo.c');
+run_make_test('
+foo: foo.o
+',
+              'CC="@echo cc" OUTPUT_OPTION=',
+              'cc -c foo.c
+cc foo.o -o foo');
+unlink('foo.c');
+
+
+# Test other implicit rule searching
+
+&touch('bar');
+run_make_test('
+test.foo:
+%.foo : baz ; @echo done $<
+%.foo : bar ; @echo done $<
+fox: baz
+',
+              '',
+              'done bar');
+unlink('bar');
+
 1;

tests/scripts/variables/automatic

@@ -67,11 +67,11 @@ EOF
 close(MAKEFILE);
 
 &run_make_with_options($makefile2, "$dir/foo $dir/bar", &get_logfile);
-$answer = ".x\n$dir/foo.x\n\$.x\n\$@.x\n$dir.x\nfoo.x\n$dir/bar.x\nbar.x\n";
+$answer = ".x\n$dir/foo.x\nx\n\$@.x\n$dir.x\nfoo.x\n$dir/bar.x\nbar.x\n";
 &compare_output($answer, &get_logfile(1));
 
 &run_make_with_options($makefile2, "$dir/x.z $dir/y.z", &get_logfile);
-$answer = ".x\n$dir/x.z.x\n\$.x\n\$@.x\n$dir.x\nx.z.x\n.y\n$dir/y.z.y\n\$.y\n\$@.y\n$dir.y\ny.z.y\n";
+$answer = ".x\n$dir/x.z.x\nx\n\$@.x\n$dir.x\nx.z.x\n.y\n$dir/y.z.y\n\y\n\$@.y\n$dir.y\ny.z.y\n";
 &compare_output($answer, &get_logfile(1));
 
 &run_make_with_options($makefile2, "$dir/biz", &get_logfile);