Add support for "::=" simple assignment operator.

The next POSIX standard will define "::=" to have the same behavior
as GNU make's ":=", so add support for this new operator.

3 files changed, 72 insertions, 1 deletions

diff --git a/tests/ChangeLog b/tests/ChangeLog
index 3e0643c..7ad4085 100644
--- a/tests/ChangeLog
+++ b/tests/ChangeLog
@@ -1,5 +1,8 @@
 2012-01-29  Paul Smith  <psmith@gnu.org>
 
+	* scripts/variables/flavors: Add tests for ::=
+	* scripts/variables/define: Ditto
+
 	* scripts/functions/file: Test the new $(file ...) function.
 
 2012-01-12  Paul Smith  <psmith@gnu.org>
diff --git a/tests/scripts/variables/define b/tests/scripts/variables/define
index f91519e..68d493b 100644
--- a/tests/scripts/variables/define
+++ b/tests/scripts/variables/define
@@ -30,6 +30,10 @@ define simple :=
 @echo $(FOO)
 endef
 
+define posix ::=
+@echo $(FOO)
+endef
+
 append = @echo a
 
 define append +=
@@ -49,10 +53,54 @@ FOO = there
 
 all: ; $(multi)
 	$(simple)
+	$(posix)
+	$(append)
+	$(cond)
+',
+              '', "echo hi\nhi\nthere\nfoo\nfoo\na\nb\nfirst\n");
+
+# TEST 1a: Various new-style define/endef, with no spaces
+
+run_make_test('
+FOO = foo
+
+define multi=
+echo hi
+@echo $(FOO)
+endef # this is the end
+
+define simple:=
+@echo $(FOO)
+endef
+
+define posix::=
+@echo $(FOO)
+endef
+
+append = @echo a
+
+define append+=
+
+@echo b
+endef
+
+define cond?= # this is a conditional
+@echo first
+endef
+
+define cond?=
+@echo second
+endef
+
+FOO = there
+
+all: ; $(multi)
+	$(simple)
+	$(posix)
 	$(append)
 	$(cond)
 ',
-              '', "echo hi\nhi\nthere\nfoo\na\nb\nfirst\n");
+              '', "echo hi\nhi\nthere\nfoo\nfoo\na\nb\nfirst\n");
 
 # TEST 2: define in true section of conditional (containing conditional)
 
diff --git a/tests/scripts/variables/flavors b/tests/scripts/variables/flavors
index 92feed6..ba133ea 100644
--- a/tests/scripts/variables/flavors
+++ b/tests/scripts/variables/flavors
@@ -73,4 +73,24 @@ all: ; @echo $(foo)
 ',
               '', "Hello\n");
 
+# TEST 6: Simple using POSIX syntax
+run_make_test('
+bar = Goodbye
+foo ::= $(bar)
+bar = ${ugh}
+ugh = Hello
+all: ; @echo $(foo)
+',
+              '', "Goodbye\n");
+
+# TEST 7: POSIX syntax no spaces
+run_make_test('
+bar = Goodbye
+foo::=$(bar)
+bar = ${ugh}
+ugh = Hello
+all: ; @echo $(foo)
+',
+              '', "Goodbye\n");
+
 1;