Module Name: src
Committed By: rillig
Date: Sat May 7 21:24:53 UTC 2022
Modified Files:
src/usr.bin/make/unit-tests: deptgt-posix.mk
Log Message:
tests/make: document why deptgt-posix needs its own directory
As described in PR toolchain/15163, '.include <file>' first looks in the
current directory, using the system include path only as fallback.
To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/usr.bin/make/unit-tests/deptgt-posix.mk
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/usr.bin/make/unit-tests/deptgt-posix.mk
diff -u src/usr.bin/make/unit-tests/deptgt-posix.mk:1.3 src/usr.bin/make/unit-tests/deptgt-posix.mk:1.4
--- src/usr.bin/make/unit-tests/deptgt-posix.mk:1.3 Sat May 7 12:40:40 2022
+++ src/usr.bin/make/unit-tests/deptgt-posix.mk Sat May 7 21:24:52 2022
@@ -1,4 +1,4 @@
-# $NetBSD: deptgt-posix.mk,v 1.3 2022/05/07 12:40:40 rillig Exp $
+# $NetBSD: deptgt-posix.mk,v 1.4 2022/05/07 21:24:52 rillig Exp $
#
# Tests for the special target '.POSIX', which enables POSIX mode.
#
@@ -13,7 +13,10 @@
#
# Implementation note: this test needs to run isolated from the usual tests
# directory to prevent unit-tests/posix.mk from interfering with the posix.mk
-# from the system directory that this test uses.
+# from the system directory that this test uses; since at least 1997, the
+# directive '.include <file>' has been looking in the current directory first
+# before searching the file in the system search path, as described in
+# https://gnats.netbsd.org/15163.
#
# See also:
# https://pubs.opengroup.org/onlinepubs/9699919799/utilities/make.html
