[src/trunk]: src/usr.bin/make/unit-tests make(1): add test for the special .M...

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a9091e07334a
branches:  trunk
changeset: 978763:a9091e07334a
user:      rillig <rillig%NetBSD.org@localhost>
date:      Tue Dec 01 20:37:30 2020 +0000

description:
make(1): add test for the special .MAKEFLAGS variable

diffstat:

 distrib/sets/lists/tests/mi                       |   4 ++-
 usr.bin/make/unit-tests/Makefile                  |   3 +-
 usr.bin/make/unit-tests/varname-dot-makeflags.exp |   3 ++
 usr.bin/make/unit-tests/varname-dot-makeflags.mk  |  15 ++++++++++++++
 usr.bin/make/unit-tests/varname-makeflags.mk      |  24 ++++++++++++++++++++--
 5 files changed, 44 insertions(+), 5 deletions(-)

diffs (94 lines):

diff -r d02ecb264ab6 -r a9091e07334a distrib/sets/lists/tests/mi
--- a/distrib/sets/lists/tests/mi       Tue Dec 01 20:15:23 2020 +0000
+++ b/distrib/sets/lists/tests/mi       Tue Dec 01 20:37:30 2020 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.980 2020/12/01 17:50:04 rillig Exp $
+# $NetBSD: mi,v 1.981 2020/12/01 20:37:30 rillig Exp $
 #
 # Note: don't delete entries from here - mark them as "obsolete" instead.
 #
@@ -5501,6 +5501,8 @@
 ./usr/tests/usr.bin/make/unit-tests/varname-dot-make-ppid.mk                   tests-usr.bin-tests     compattestfile,atf
 ./usr/tests/usr.bin/make/unit-tests/varname-dot-make-save_dollars.exp          tests-usr.bin-tests     compattestfile,atf
 ./usr/tests/usr.bin/make/unit-tests/varname-dot-make-save_dollars.mk           tests-usr.bin-tests     compattestfile,atf
+./usr/tests/usr.bin/make/unit-tests/varname-dot-makeflags.exp                  tests-usr.bin-tests     compattestfile,atf
+./usr/tests/usr.bin/make/unit-tests/varname-dot-makeflags.mk                   tests-usr.bin-tests     compattestfile,atf
 ./usr/tests/usr.bin/make/unit-tests/varname-dot-makeoverrides.exp              tests-usr.bin-tests     compattestfile,atf
 ./usr/tests/usr.bin/make/unit-tests/varname-dot-makeoverrides.mk               tests-usr.bin-tests     compattestfile,atf
 ./usr/tests/usr.bin/make/unit-tests/varname-dot-newline.exp                    tests-usr.bin-tests     compattestfile,atf
diff -r d02ecb264ab6 -r a9091e07334a usr.bin/make/unit-tests/Makefile
--- a/usr.bin/make/unit-tests/Makefile  Tue Dec 01 20:15:23 2020 +0000
+++ b/usr.bin/make/unit-tests/Makefile  Tue Dec 01 20:37:30 2020 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.232 2020/12/01 17:50:04 rillig Exp $
+# $NetBSD: Makefile,v 1.233 2020/12/01 20:37:30 rillig Exp $
 #
 # Unit tests for make(1)
 #
@@ -375,6 +375,7 @@
 TESTS+=                varname-dot-make-pid
 TESTS+=                varname-dot-make-ppid
 TESTS+=                varname-dot-make-save_dollars
+TESTS+=                varname-dot-makeflags
 TESTS+=                varname-dot-makeoverrides
 TESTS+=                varname-dot-newline
 TESTS+=                varname-dot-objdir
diff -r d02ecb264ab6 -r a9091e07334a usr.bin/make/unit-tests/varname-dot-makeflags.exp
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/usr.bin/make/unit-tests/varname-dot-makeflags.exp Tue Dec 01 20:37:30 2020 +0000
@@ -0,0 +1,3 @@
+echo "$MAKEFLAGS"
+ -r -k -d 00000 -D VARNAME WITH SPACES 
+exit status 0
diff -r d02ecb264ab6 -r a9091e07334a usr.bin/make/unit-tests/varname-dot-makeflags.mk
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/usr.bin/make/unit-tests/varname-dot-makeflags.mk  Tue Dec 01 20:37:30 2020 +0000
@@ -0,0 +1,15 @@
+# $NetBSD: varname-dot-makeflags.mk,v 1.1 2020/12/01 20:37:30 rillig Exp $
+#
+# Tests for the special .MAKEFLAGS variable, which collects almost all
+# command line arguments and passes them on to any child processes via
+# the environment variable MAKEFLAGS (without leading '.').
+
+# When options are parsed, the option and its argument are appended as
+# separate words to .MAKEFLAGS.  Special characters in the option argument
+# are not quoted though.  It seems to have not been necessary at least from
+# 1993 until 2020.
+.MAKEFLAGS: -d00000 -D"VARNAME WITH SPACES"
+
+all:
+       echo "$$MAKEFLAGS"
+       @:;
diff -r d02ecb264ab6 -r a9091e07334a usr.bin/make/unit-tests/varname-makeflags.mk
--- a/usr.bin/make/unit-tests/varname-makeflags.mk      Tue Dec 01 20:15:23 2020 +0000
+++ b/usr.bin/make/unit-tests/varname-makeflags.mk      Tue Dec 01 20:37:30 2020 +0000
@@ -1,8 +1,26 @@
-# $NetBSD: varname-makeflags.mk,v 1.2 2020/08/16 14:25:16 rillig Exp $
+# $NetBSD: varname-makeflags.mk,v 1.3 2020/12/01 20:37:30 rillig Exp $
 #
-# Tests for the special MAKEFLAGS variable.
+# Tests for the special MAKEFLAGS variable, which is basically just a normal
+# environment variable.  It is closely related to .MAKEFLAGS but captures the
+# state of .MAKEFLAGS at the very beginning of make, before any makefiles are
+# read.
 
 # TODO: Implementation
 
+.MAKEFLAGS: -d0
+
+# The unit tests are run with an almost empty environment.  In particular,
+# the variable MAKEFLAGS is not set.  The '.MAKEFLAGS:' above also doesn't
+# influence the environment variable MAKEFLAGS, therefore it is still
+# undefined at this point.
+.if ${MAKEFLAGS:Uundefined} != "undefined"
+.  error
+.endif
+
+# The special variable .MAKEFLAGS is influenced though.
+# See varname-dot-makeflags.mk for more details.
+.if ${.MAKEFLAGS} != " -r -k -d 0"
+.  error
+.endif
+
 all:
-       @:;