Make -l always have the SUSv2 meaning of "check links."

GNU tar changed -l to match SUSv2 a couple of years ago,
so bsdtar no longer needs to pander to this particular GNUism.

Thanks to: Debian maintainers
MFC after: 7 days

1 files changed, 8 insertions, 17 deletions

diff --git a/usr.bin/tar/bsdtar.1 b/usr.bin/tar/bsdtar.1
index 3ae5502..92b61a2 100644
--- a/usr.bin/tar/bsdtar.1
+++ b/usr.bin/tar/bsdtar.1
@@ -232,16 +232,9 @@ All symbolic links will be followed.
 Normally, symbolic links are archived as such.
 With this option, the target of the link will be archived instead.
 .It Fl l
-If
-.Ev POSIXLY_CORRECT
-is specified in the environment, this is a synonym for the
+This is a synonym for the
 .Fl -check-links
 option.
-Otherwise, an error will be displayed.
-Users who desire behavior compatible with GNU tar should use
-the
-.Fl -one-file-system
-option instead.
 .It Fl m
 (x mode only)
 Do not extract modification time.
@@ -422,11 +415,6 @@ The locale to use.
 See
 .Xr environ 7
 for more information.
-.It Ev POSIXLY_CORRECT
-If this environment variable is defined, the
-.Fl l
-option will be interpreted in accordance with
-.St -p1003.1-96 .
 .It Ev TAPE
 The default tape device.
 The
@@ -681,13 +669,16 @@ This is a complete re-implementation based on the
 .Xr libarchive 3
 library.
 .Sh BUGS
-POSIX and GNU violently disagree about the meaning of the
+This program follows
+.St -p1003.1-96
+for the definition of the
 .Fl l
 option.
-Because of the potential for disaster if someone expects
-one behavior and gets the other, the
+Note that GNU tar prior to version 1.15 treated
 .Fl l
-option is deliberately broken in this implementation.
+as a synonym for the
+.Fl -one-file-system
+option.
 .Pp
 The
 .Fl C Pa dir