Imported Upstream version 4.4

[platform/upstream/make.git] / tests / scripts / variables / flavors

diff --git a/tests/scripts/variables/flavors b/tests/scripts/variables/flavors
index 831e5d8..627672f 100644 (file)
--- a/tests/scripts/variables/flavors
+++ b/tests/scripts/variables/flavors
@@ -153,4 +153,48 @@ dep: ; @: $(info recur=/$(recur)/ simple=/$(simple)/)
 !,
              '', "recur=/onetwothree/ simple=/fourfivesix/\n");
 
+# Test POSIX :::=
+# This creates a recursive variable, but it expands the RHS first.  Any
+# variable escapes ('$$') are preserved so that this recursive variable can be
+# expanded again without changing its contents.
+run_make_test('
+bar = Goodbye
+foo :::= $(bar)
+bar = ${ugh}
+ugh = Hello
+all: ; @echo $(foo)
+',
+              '', "Goodbye");
+
+# POSIX :::= no spaces
+run_make_test(q!
+bar = Goodbye
+foo:::=$(bar)
+bar = ${ugh}
+ugh = Hello
+all: ; @echo $(foo)
+!,
+              '', "Goodbye");
+
+# Variable escapes ('$$') are preserved.
+run_make_test(q!
+bar = Good$$bye
+foo :::= $(bar) $$what
+bar = ${ugh}
+ugh = Hello
+all: ; @echo '$(foo)'
+!,
+              '', 'Good$bye $what');
+
+# Append works as expected
+run_make_test(q!
+bar = Good$$bye
+foo :::= $(bar)
+foo += $$what $(bar)
+bar = ${ugh}
+ugh = Hello
+all: ; @echo '$(foo)'
+!,
+              '', 'Good$bye $what Hello');
+
 1;