Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 45 insertions, 0 deletions

diff --git a/src/boost/tools/build/test/conditionals4.py b/src/boost/tools/build/test/conditionals4.py
new file mode 100644
index 000000000..28b787207
--- /dev/null
+++ b/src/boost/tools/build/test/conditionals4.py
@@ -0,0 +1,45 @@
+#!/usr/bin/python
+
+# Copyright 2021 Dmitry Arkhipov (grisumbras@gmail.com)
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE.txt or https://www.bfgroup.xyz/b2/LICENSE.txt)
+
+# Test conditionals returning conditionals
+
+import BoostBuild
+
+t = BoostBuild.Tester()
+
+t.write("a.cpp", "")
+
+t.write("jamroot.jam", """
+import feature ;
+import common ;
+
+feature.feature the_feature : false true : propagated ;
+
+rule add-feature ( properties * )
+{
+    return <the_feature>true ;
+}
+
+rule maker ( targets * : sources * : properties * )
+{
+    if ! <the_feature>true in $(properties)
+    {
+        EXIT "Need <the_feature>true to build" ;
+    }
+    CMD on $(targets) = [ common.file-creation-command ] ;
+}
+
+actions maker
+{
+    $(CMD) $(<) ;
+}
+
+make a : a.cpp : maker : <variant>debug:<conditional>@add-feature ;
+""")
+
+t.run_build_system()
+
+t.cleanup()