(atexit): Define using a prototype.

[gnulib.git] / m4 / backupfile.m4

diff --git a/m4/backupfile.m4 b/m4/backupfile.m4
index 1326bb2..f3c2aa5 100644 (file)
--- a/m4/backupfile.m4
+++ b/m4/backupfile.m4
@@ -1,4 +1,4 @@
-# backupfile.m4 serial 2
+# backupfile.m4 serial 3

 dnl Copyright (C) 2002, 2003 Free Software Foundation, Inc.
 dnl This file is free software, distributed under the terms of the GNU
 dnl General Public License.  As a special exception to the GNU General
 dnl Copyright (C) 2002, 2003 Free Software Foundation, Inc.
 dnl This file is free software, distributed under the terms of the GNU
 dnl General Public License.  As a special exception to the GNU General


@@ -11,13 +11,11 @@ AC_DEFUN([gl_BACKUPFILE],
   dnl Prerequisites of lib/backupfile.c.
   AC_REQUIRE([AC_HEADER_DIRENT])
   AC_REQUIRE([AC_FUNC_CLOSEDIR_VOID])
   dnl Prerequisites of lib/backupfile.c.
   AC_REQUIRE([AC_HEADER_DIRENT])
   AC_REQUIRE([AC_FUNC_CLOSEDIR_VOID])

-  AC_CHECK_HEADERS_ONCE(stdlib.h string.h)
-  AC_CHECK_DECLS_ONCE(getenv malloc)

   jm_CHECK_TYPE_STRUCT_DIRENT_D_INO
 
   dnl Prerequisites of lib/addext.c.
   AC_REQUIRE([jm_AC_DOS])
   jm_CHECK_TYPE_STRUCT_DIRENT_D_INO
 
   dnl Prerequisites of lib/addext.c.
   AC_REQUIRE([jm_AC_DOS])

-  AC_SYS_LONG_FILE_NAMES
-  AC_CHECK_HEADERS_ONCE(string.h unistd.h)
+  AC_REQUIRE([AC_SYS_LONG_FILE_NAMES])
+  AC_CHECK_HEADERS_ONCE(unistd.h)

   AC_CHECK_FUNCS(pathconf)
 ])
   AC_CHECK_FUNCS(pathconf)
 ])