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dnl Process this file with autoconf to produce a configure script.
AC_INIT(nwrite.c)
AC_CONFIG_HEADER(config.h)
dnl Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
dnl Checks for libraries.
dnl Checks for header files.
AC_HEADER_STDC
AC_HEADER_TIME
AC_CHECK_HEADERS(fcntl.h limits.h paths.h sys/file.h sys/time.h unistd.h)
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_STRUCT_TM
dnl Checks for library functions.
AC_TYPE_SIGNAL
AC_FUNC_STRFTIME
AC_CHECK_FUNCS(strchr strdup snprintf)
dnl Check for configurable options
AC_ARG_ENABLE(clear-procs,
[ --enable-clear-procs allow users to clear arguents so they are not
visible in ps (if your OS allows users to do so)],
AC_DEFINE(CLEAR_PROCS))
AC_ARG_ENABLE(gzipped-man,
[ --enable-gzipped-man gzip man pages before installing],
MANGZ="-gz", MANGZ="")
AC_SUBST(MANGZ)
dnl Check who can write to ttys
# Get current mesg status
AC_MSG_CHECKING("current mesg status")
mesg
if test $? = 0 ; then
restore_mesg="y"
else
restore_mesg="n"
fi
AC_CACHE_CHECK("if anyone can write to a mesg y tty",
nwrite_cv_sys_tty_world_writable,
[
echo "Changing to mesg y" 1>&5
mesg y 1>&5
tty_path=`tty`
tty_perms=`ls -lL $tty_path | awk '{print $1}' | sed 's/^........\(.\).$/\1/'`
echo "tty_path=$tty_path tty_perms=$tty_perms" 1>&5
if test "$tty_perms" = "w" ; then
nwrite_cv_sys_tty_world_writable="yes"
else
nwrite_cv_sys_tty_world_writable="no"
fi
echo "Restoring original status" 1>&5
mesg $restore_mesg 1>&5
])
if test "$nwrite_cv_sys_tty_world_writable" = "yes" ; then
INSTALLFLAGS="-m 755"
AC_DEFINE(TTYS_WORLD_WRITABLE, FALSE)
else
INSTALLFLAGS="-g tty -m 755"
AC_DEFINE(TTYS_WORLD_WRITABLE, FALSE)
fi
AC_SUBST(INSTALLFLAGS)
AC_CACHE_CHECK("if tty names start with pts/ or tty",
nwrite_cv_sys_tty_path,
nwrite_cv_sys_tty_path=`tty | sed -e 's|/dev/||' -e 's|pts/.*$|pts/|' -e 's|tty.*$|tty|'`)
case $nwrite_cv_sys_tty_path in
tty)
AC_DEFINE(TTY_PREFIX,"tty")
;;
pts/)
AC_DEFINE(TTY_PREFIX,"pts/")
;;
esac
AC_OUTPUT(Makefile)
|
