tow21@xxxxxxxxx writes:
> Would it be sensible in any case for autoconf to try setting the
> native shell into POSIX mode first, before trying a possibly
> buggy third-party installed shell?
Yes, and it tries to do that for other shells, but we didn't know
about the BIN_SH business. I installed this patch.
2004-07-29 Paul Eggert <eggert@xxxxxxxxxxx>
* lib/m4sugar/m4sh.m4 (_AS_BOURNE_COMPATIBLE): Set BIN_SH, for
Tru64.
* doc/autoconf.texi (Shellology): Mention BIN_SH.
Index: lib/m4sugar/m4sh.m4
===================================================================
RCS file: /cvsroot/autoconf/autoconf/lib/m4sugar/m4sh.m4,v
retrieving revision 1.118
diff -p -u -r1.118 m4sh.m4
--- lib/m4sugar/m4sh.m4 27 Jul 2004 20:15:15 -0000 1.118
+++ lib/m4sugar/m4sh.m4 29 Jul 2004 22:26:04 -0000
@@ -165,6 +165,7 @@ if test -n "${ZSH_VERSION+set}" && (emul
elif test -n "${BASH_VERSION+set}${KSH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then
set -o posix
fi
+BIN_SH=xpg4; export BIN_SH # for Tru64
DUALCASE=1; export DUALCASE # for MKS sh
])
Index: doc/autoconf.texi
===================================================================
RCS file: /cvsroot/autoconf/autoconf/doc/autoconf.texi,v
retrieving revision 1.823
diff -p -u -r1.823 autoconf.texi
--- doc/autoconf.texi 27 Jul 2004 20:15:15 -0000 1.823
+++ doc/autoconf.texi 29 Jul 2004 22:26:04 -0000
@@ -9390,8 +9390,21 @@ you'll need to use @command{bash} 2.05 f
The Korn shell is compatible with the Bourne family and it mostly
conforms to @acronym{POSIX}. It has two major variants commonly
called @samp{ksh88} and @samp{ksh93}, named after the years of initial
-release. It is usually called @command{ksh}, but Solaris systems have
-three variants:
+release. It is usually called @command{ksh}, but is called @command{sh}
+on some hosts if you set your path appropriately.
+
+@itemize @minus
+@item
+@prindex @samp{pdksh}
+A public-domain clone of the Korn shell called @samp{pdksh} is
+widely available: it has most of the @samp{ksh88} features along with
+a few of its own.
+Similarly to @command{bash}, you can detect whether you are running
+@samp{pdksh} by testing whether @code{KSH_VERSION} is set, and you can
+require @acronym{POSIX} compatibility by running @samp{set -o posix}.
+
+@item
+Solaris systems have three variants:
@prindex @command{/usr/bin/ksh} on Solaris
@command{/usr/bin/ksh} is @samp{ksh88},
@prindex @command{/usr/xpg4/bin/sh} on Solaris
@@ -9403,13 +9416,14 @@ is standard on Solaris; the other varian
packages. There is no extra charge for these packages, but they are
not part of a minimal OS install and therefore some installations may
not have it.
-@prindex @samp{pdksh}
-A public-domain clone of the Korn shell called @samp{pdksh} is also
-widely available: it has most of the @samp{ksh88} features along with
-a few of its own.
-Similarly to @command{bash}, you can detect whether you are running
-@samp{pdksh} by testing whether @code{KSH_VERSION} is set, and you can
-require @acronym{POSIX} compatibility by running @samp{set -o posix}.
+
+@item
+Starting with Tru64 Version 4.0, the Korn shell @command{/usr/bin/ksh}
+is also available as @command{/usr/bin/posix/sh}. If the environment
+variable @env{BIN_SH} is set to @code{xpg4}, subsidiary invocations of
+the standard shell conform to @acronym{POSIX}.
+
+@end itemize
@item Zsh
@cindex Zsh
_______________________________________________
Autoconf mailing list
Autoconf@xxxxxxx
http://lists.gnu.org/mailman/listinfo/autoconf
