1 files changed, 7 insertions, 5 deletions

diff --git a/m4/pselect.m4 b/m4/pselect.m4
index edf4d828209..5cd1e044fc9 100644
--- a/m4/pselect.m4
+++ b/m4/pselect.m4
@@ -1,4 +1,4 @@
-# pselect.m4 serial 6
+# pselect.m4 serial 7
 dnl Copyright (C) 2011-2018 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -51,10 +51,12 @@ AC_DEFUN([gl_FUNC_PSELECT],
       [gl_cv_func_pselect_detects_ebadf=no],
           [
            case "$host_os" in
-                           # Guess yes on glibc systems.
-            *-gnu* | gnu*) gl_cv_func_pselect_detects_ebadf="guessing yes" ;;
-                           # If we don't know, assume the worst.
-            *)             gl_cv_func_pselect_detects_ebadf="guessing no" ;;
+                             # Guess yes on Linux systems.
+            linux-* | linux) gl_cv_func_pselect_detects_ebadf="guessing yes" ;;
+                             # Guess yes on glibc systems.
+            *-gnu* | gnu*)   gl_cv_func_pselect_detects_ebadf="guessing yes" ;;
+                             # If we don't know, assume the worst.
+            *)               gl_cv_func_pselect_detects_ebadf="guessing no" ;;
            esac
           ])
       ])