maint: update copyright

[gnulib.git] / m4 / spawn_h.m4

diff --git a/m4/spawn_h.m4 b/m4/spawn_h.m4
index 371d00c..87fe122 100644 (file)
--- a/m4/spawn_h.m4
+++ b/m4/spawn_h.m4
@@ -1,5 +1,5 @@
-# spawn_h.m4 serial 11
-dnl Copyright (C) 2008-2010 Free Software Foundation, Inc.
+# spawn_h.m4 serial 16
+dnl Copyright (C) 2008-2014 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.
@@ -15,7 +15,6 @@ AC_DEFUN([gl_SPAWN_H],
   dnl <spawn.h> is always overridden, because of GNULIB_POSIXCHECK.
   gl_CHECK_NEXT_HEADERS([spawn.h])
 
-  AC_CHECK_HEADERS_ONCE([spawn.h])
   if test $ac_cv_header_spawn_h = yes; then
     HAVE_SPAWN_H=1
     AC_CHECK_TYPES([posix_spawnattr_t], [], [HAVE_POSIX_SPAWNATTR_T=0], [[
@@ -29,10 +28,15 @@ AC_DEFUN([gl_SPAWN_H],
     HAVE_SPAWN_H=0
     HAVE_POSIX_SPAWNATTR_T=0
     HAVE_POSIX_SPAWN_FILE_ACTIONS_T=0
-    gl_REPLACE_SPAWN_H
   fi
   AC_SUBST([HAVE_SPAWN_H])
 
+  dnl Ensure the type pid_t gets defined.
+  AC_REQUIRE([AC_TYPE_PID_T])
+
+  dnl Ensure the type mode_t gets defined.
+  AC_REQUIRE([AC_TYPE_MODE_T])
+
   AC_REQUIRE([gl_HAVE_POSIX_SPAWN])
 
   AC_REQUIRE([AC_C_RESTRICT])
@@ -66,13 +70,6 @@ AC_DEFUN([gl_HAVE_POSIX_SPAWN],
   fi
 ])
 
-dnl Unconditionally enables the replacement of <spawn.h>.
-AC_DEFUN([gl_REPLACE_SPAWN_H],
-[
-  dnl This is a no-op, because <spawn.h> is always overridden.
-  :
-])
-
 AC_DEFUN([gl_SPAWN_MODULE_INDICATOR],
 [
   dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
@@ -111,4 +108,10 @@ AC_DEFUN([gl_SPAWN_H_DEFAULTS],
   HAVE_POSIX_SPAWN_FILE_ACTIONS_T=1;
                              AC_SUBST([HAVE_POSIX_SPAWN_FILE_ACTIONS_T])
   REPLACE_POSIX_SPAWN=0;     AC_SUBST([REPLACE_POSIX_SPAWN])
+  REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE=0;
+                             AC_SUBST([REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE])
+  REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2=0;
+                             AC_SUBST([REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2])
+  REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN=0;
+                             AC_SUBST([REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN])
 ])