mirror of
git://git.sv.gnu.org/coreutils.git
synced 2026-03-07 05:23:02 +02:00
fd685e41d6
this macro that resorts to looking for getgroups in -lbsd. Set new shell variable, GETGROUPS_LIB (that callers should check), if it is found there.
50 lines
1.5 KiB
Plaintext
50 lines
1.5 KiB
Plaintext
#serial 2
|
|
|
|
dnl From Jim Meyering.
|
|
dnl If you use this macro in a package, you should
|
|
dnl add the following two lines to acconfig.h:
|
|
dnl /* Define to rpl_getgroups if the replacement function should be used. */
|
|
dnl #undef getgroups
|
|
dnl
|
|
dnl Invoking code should check $GETGROUPS_LIB something like this:
|
|
dnl jm_FUNC_GETGROUPS
|
|
dnl test -n "$GETGROUPS_LIB" && LIBS="$GETGROUPS_LIB $LIBS"
|
|
dnl
|
|
|
|
AC_DEFUN(jm_FUNC_GETGROUPS,
|
|
[AC_REQUIRE([AC_TYPE_GETGROUPS])dnl
|
|
AC_REQUIRE([AC_TYPE_SIZE_T])dnl
|
|
AC_CHECK_FUNCS(getgroups)
|
|
|
|
# If we don't yet have getgroups, see if it's in -lbsd.
|
|
# This is reported to be necessary on an ITOS 3000WS running SEIUX 3.1.
|
|
if test $ac_cv_func_getgroups = no; then
|
|
jm_cv_sys_getgroups_saved_lib="$LIBS"
|
|
AC_CHECK_LIB(bsd, getgroups, [GETGROUPS_LIB=-lbsd])
|
|
LIBS="$jm_cv_sys_getgroups_saved_lib"
|
|
fi
|
|
|
|
# Run the program to test the functionality of the system-supplied
|
|
# getgroups function only if there is such a function.
|
|
if test $ac_cv_func_getgroups = yes; then
|
|
AC_CACHE_CHECK([for working getgroups], jm_cv_func_working_getgroups,
|
|
[AC_TRY_RUN([
|
|
int
|
|
main ()
|
|
{
|
|
/* On Ultrix 4.3, getgroups (0, 0) always fails. */
|
|
exit (getgroups (0, 0) == -1 ? 1 : 0);
|
|
}
|
|
],
|
|
jm_cv_func_working_getgroups=yes,
|
|
jm_cv_func_working_getgroups=no,
|
|
dnl When crosscompiling, assume getgroups is broken.
|
|
jm_cv_func_working_getgroups=no)
|
|
])
|
|
if test $jm_cv_func_working_getgroups = no; then
|
|
LIBOBJS="$LIBOBJS getgroups.o"
|
|
AC_DEFINE_UNQUOTED(getgroups, rpl_getgroups)
|
|
fi
|
|
fi
|
|
])
|