Implement out-qualified target syntax for setting target-specific vars

So now we can do:

doc{INSTALL}@./: install = false

Note that so far that's the only place where we support out-qualification.
Grep for @@ OUT to see other places.

3 files changed, 7 insertions, 0 deletions

diff --git a/tests/target/out-qualified/src/build/bootstrap.build b/tests/target/out-qualified/src/build/bootstrap.build
new file mode 100644
index 0000000..056ee6f
--- /dev/null
+++ b/tests/target/out-qualified/src/build/bootstrap.build
@@ -0,0 +1,2 @@
+project = test
+amalgamation =
diff --git a/tests/target/out-qualified/src/buildfile b/tests/target/out-qualified/src/buildfile
new file mode 100644
index 0000000..1bcaa32
--- /dev/null
+++ b/tests/target/out-qualified/src/buildfile
@@ -0,0 +1,5 @@
+./: file{foo}
+
+# Use --verbose 6 to debug.
+#
+file{foo}@./: x = y
diff --git a/tests/target/out-qualified/src/foo b/tests/target/out-qualified/src/foo
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/target/out-qualified/src/foo