delete trailing whitespace from control files

[debian/gzip] / m4 / fseeko.m4

diff --git a/m4/fseeko.m4 b/m4/fseeko.m4
index e0f2dfbe1f4be12d3ed5eede9fc1bf0c08b6f558..86c246e8996d8cdd357be6fa01229ae933cf0836 100644 (file)
--- a/m4/fseeko.m4
+++ b/m4/fseeko.m4
@@ -1,5 +1,5 @@
-# fseeko.m4 serial 16
-dnl Copyright (C) 2007-2013 Free Software Foundation, Inc.
+# fseeko.m4 serial 19
+dnl Copyright (C) 2007-2018 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -37,9 +37,10 @@ AC_DEFUN([gl_FUNC_FSEEKO],
     fi
     m4_ifdef([gl_FUNC_FFLUSH_STDIN], [
       gl_FUNC_FFLUSH_STDIN
-      if test $gl_cv_func_fflush_stdin = no; then
-        REPLACE_FSEEKO=1
-      fi
+      case "$gl_cv_func_fflush_stdin" in
+        *yes) ;;
+        *) REPLACE_FSEEKO=1 ;;
+      esac
     ])
   fi
 ])
@@ -67,7 +68,10 @@ AC_DEFUN([gl_STDIN_LARGE_OFFSET],
 # Prerequisites of lib/fseeko.c.
 AC_DEFUN([gl_PREREQ_FSEEKO],
 [
-  dnl Native Windows has the function _fseeki64. mingw hides it, but mingw64
-  dnl makes it usable again.
+  dnl Native Windows has the function _fseeki64. mingw hides it in some
+  dnl circumstances, but mingw64 makes it usable again.
   AC_CHECK_FUNCS([_fseeki64])
+  if test $ac_cv_func__fseeki64 = yes; then
+    AC_CHECK_DECLS([_fseeki64])
+  fi
 ])