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[src/trunk]: src/usr.bin/make/unit-tests make(1): document why .BEGIN cannot ...
details: https://anonhg.NetBSD.org/src/rev/701541d19ae9
branches: trunk
changeset: 946091:701541d19ae9
user: rillig <rillig%NetBSD.org@localhost>
date: Sun Nov 15 22:28:08 2020 +0000
description:
make(1): document why .BEGIN cannot be combined with .USE/.USEBEFORE
diffstat:
usr.bin/make/unit-tests/deptgt-begin.mk | 15 +++++++--------
1 files changed, 7 insertions(+), 8 deletions(-)
diffs (36 lines):
diff -r 984218a4fd53 -r 701541d19ae9 usr.bin/make/unit-tests/deptgt-begin.mk
--- a/usr.bin/make/unit-tests/deptgt-begin.mk Sun Nov 15 20:50:46 2020 +0000
+++ b/usr.bin/make/unit-tests/deptgt-begin.mk Sun Nov 15 22:28:08 2020 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: deptgt-begin.mk,v 1.4 2020/11/15 20:47:01 rillig Exp $
+# $NetBSD: deptgt-begin.mk,v 1.5 2020/11/15 22:28:08 rillig Exp $
#
# Tests for the special target .BEGIN in dependency declarations,
# which is a container for commands that are run before any other
@@ -24,11 +24,9 @@
: Making $@ before .BEGIN.
# Another way is to define a custom target and make that a .USE dependency.
-# This way, its commands are appended to the commands of the .BEGIN target
-# just before the .BEGIN target is made.
-#
-# XXX: For some reason, the commands from the .USE target are not run.
-# XXX: .USE nodes should not be candidates for the .MAIN node.
+# For the .BEGIN target, .USE dependencies do not work though, since in
+# Compat_Run, the .USE and .USEBEFORE nodes are expanded right after the
+# .BEGIN target has been run, which is too late.
.BEGIN: use
use: .USE .NOTMAIN
: Making $@ from a .USE dependency.
@@ -36,8 +34,9 @@
# Same as with .USE, but run the commands before the main commands from the
# .BEGIN target.
#
-# XXX: For some reason, the commands from the .USEBEFORE target are not run.
-# XXX: .USEBEFORE nodes should not be candidates for the .MAIN node.
+# For the .BEGIN target, .USEBEFORE dependencies do not work though, since in
+# Compat_Run, the .USE and .USEBEFORE nodes are expanded right after the
+# .BEGIN target has been run, which is too late.
.BEGIN: use-before
use-before: .USEBEFORE .NOTMAIN
: Making $@ from a .USEBEFORE dependency.
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