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[gnu-emacs] / m4 / getgroups.m4

diff --git a/m4/getgroups.m4 b/m4/getgroups.m4
index 4b1573d8657a3263d97b002f55463041820783c2..bf01f32eef0a2624b33bcbcb0d62a5ce5ba4ae4b 100644 (file)
--- a/m4/getgroups.m4
+++ b/m4/getgroups.m4
@@ -1,4 +1,4 @@
-# serial 18
+# serial 19
 
 dnl From Jim Meyering.
 dnl A wrapper around AC_FUNC_GETGROUPS.
@@ -87,7 +87,9 @@ AC_DEFUN([gl_FUNC_GETGROUPS],
         [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
           [[int size = getgroups (0, 0);
             gid_t *list = malloc (size * sizeof *list);
-            return getgroups (-1, list) != -1;]])],
+            int result = getgroups (-1, list) != -1;
+            free (list);
+            return result;]])],
           [gl_cv_func_getgroups_works=yes],
           [gl_cv_func_getgroups_works=no],
           [case "$host_os" in