Import bmake-20201101vendor/NetBSD/bmake/20201101

Lots of new unit-tests increase code coverage.

Lots of refactoring, cleanup and simlpification to reduce
code size.

Fixes for Bug 223564 and 245807

Updates to dirdeps.mk and meta2deps.py

1 files changed, 26 insertions, 0 deletions

diff --git a/unit-tests/opt-debug-jobs.mk b/unit-tests/opt-debug-jobs.mk
new file mode 100644
index 000000000000..fb65d4f3356c
--- /dev/null
+++ b/unit-tests/opt-debug-jobs.mk
@@ -0,0 +1,26 @@
+# $NetBSD: opt-debug-jobs.mk,v 1.4 2020/10/05 19:27:48 rillig Exp $
+#
+# Tests for the -dj command line option, which adds debug logging about
+# running jobs in multiple shells.
+
+.MAKEFLAGS: -dj
+
+# Run in parallel mode since the debug logging is more interesting there
+# than in compat mode.
+.MAKEFLAGS: -j1
+
+all:
+	# Only the actual command is logged.
+	# To see the evaluation of the variable expressions, use -dv.
+	: ${:Uexpanded} expression
+
+	# Undefined variables expand to empty strings.
+	# Multiple spaces are preserved in the command, as they might be
+	# significant.
+	: ${UNDEF} variable
+
+	# In the debug output, single quotes are not escaped, even though
+	# the whole command is enclosed in single quotes as well.
+	# This allows to copy and paste the whole command, without having
+	# to unescape anything.
+	: 'single' and "double" quotes