dnl -*-fundamental-*-
dnl
-dnl $Id: configure.in,v 1.4 1997/08/20 16:10:56 mdw Exp $
+dnl $Id: configure.in,v 1.7 1997/09/09 18:18:41 mdw Exp $
dnl
dnl Source for auto configuration for `become'
dnl
dnl----- Revision history ---------------------------------------------------
dnl
dnl $Log: configure.in,v $
-dnl Revision 1.4 1997/08/20 16:10:56 mdw
-dnl Lowercase `mdw_' prefixes to macros. Add a `--with-etcdir=PATH'
-dnl option. Update `stamp-h' as required by the Automake docs (silly
-dnl me).
+dnl Revision 1.7 1997/09/09 18:18:41 mdw
+dnl Check for setgroups(2), to see whether subsidiary group lists need to be
+dnl fiddled with.
dnl
+# Revision 1.6 1997/09/08 13:41:14 mdw
+# Check for `setreuid' for changing permissions.
+#
+# Revision 1.5 1997/09/05 11:45:18 mdw
+# Add support for different login styles, and environment variable
+# manipulation in a safe and useful way.
+#
+# Revision 1.4 1997/08/20 16:10:56 mdw
+# Lowercase `mdw_' prefixes to macros. Add a `--with-etcdir=PATH'
+# option. Update `stamp-h' as required by the Automake docs (silly
+# me).
+#
dnl Revision 1.3 1997/08/07 09:34:32 mdw
dnl Added `ElectricFence' support, and support for the `deep' package
dnl structure.
PACKAGE=become VERSION=1.2-pre
AC_SUBST(PACKAGE)
AC_SUBST(VERSION)
-AC_DEFINE(VERSION, "1.2-pre (24 July 1997)")
+AC_DEFINE(VERSION, "1.2-pre (9 September 1997)")
dnl --- Check for compilers and things ---
dnl --- Check for some useful functions ---
+AC_CHECK_FUNCS(setreuid setgroups)
AC_CHECK_FUNCS(getrusage vtimes)
+dnl --- Set default become style ---
+
+AC_ARG_ENABLE([style],
+[ --enable-style=STYLE set default style to preserve, setuser, or login],
+[case "$withval" in
+ preserve) style="l_preserve" ;;
+ su|setuser) style="l_setuser" ;;
+ login) style="l_login" ;;
+esac],
+[style="l_preserve"])
+AC_DEFINE_UNQUOTED(DEFAULT_LOGIN_STYLE, $style)
+
dnl --- Set configuration directory ---
AC_ARG_WITH([etcdir],