.

[gnulib.git] / m4 / getgroups.m4

diff --git a/m4/getgroups.m4 b/m4/getgroups.m4
index c1e8dbf..2774b8c 100644 (file)
--- a/m4/getgroups.m4
+++ b/m4/getgroups.m4
@@ -1,4 +1,4 @@
-#serial 1
+#serial 2
 
 dnl From Jim Meyering.
 dnl If you use this macro in a package, you should
@@ -6,11 +6,24 @@ 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