2 files changed, 7 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index e3b2af32d1..dce5daa607 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Mar  8 23:27:38 2011  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* process.c (get_sc_ngroups_max): try to use NGROUPS_MAX at first if
+	  _SC_NGROUP_MAX is not defined.
+
 Tue Mar  8 23:10:16 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* misc/ruby-mode.el (ruby-parse-partial): fix for array in block.
diff --git a/process.c b/process.c
index 4b6c164d6b..ebaa0239b7 100644
--- a/process.c
+++ b/process.c
@@ -4550,6 +4550,8 @@ static int get_sc_ngroups_max(void)
 {
 #ifdef _SC_NGROUPS_MAX
     return (int)sysconf(_SC_NGROUPS_MAX);
+#elif defined(NGROUPS_MAX)
+    return (int)NGROUPS_MAX;
 #else
 	return 32;
 #endif