2 dnl Copyright (C) 2008-2009 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 dnl Written by Bruno Haible.
11 dnl Use AC_REQUIRE here, so that the default behavior below is expanded
12 dnl once only, before all statements that occur in other macros.
13 AC_REQUIRE([gl_SPAWN_H_DEFAULTS])
15 dnl Execute this unconditionally, because SPAWN_H may be set by other
16 dnl modules, after this code is executed.
17 gl_CHECK_NEXT_HEADERS([spawn.h])
19 AC_CHECK_HEADERS_ONCE([spawn.h])
20 if test $ac_cv_header_spawn_h = yes; then
22 AC_CHECK_TYPES([posix_spawnattr_t], [], [HAVE_POSIX_SPAWNATTR_T=0], [[
25 AC_CHECK_TYPES([posix_spawn_file_actions_t], [],
26 [HAVE_POSIX_SPAWN_FILE_ACTIONS_T=0], [[
31 HAVE_POSIX_SPAWNATTR_T=0
32 HAVE_POSIX_SPAWN_FILE_ACTIONS_T=0
35 AC_SUBST([HAVE_SPAWN_H])
37 AC_REQUIRE([AC_C_RESTRICT])
40 dnl Unconditionally enables the replacement of <spawn.h>.
41 AC_DEFUN([gl_REPLACE_SPAWN_H],
43 AC_REQUIRE([gl_SPAWN_H_DEFAULTS])
47 AC_DEFUN([gl_SPAWN_MODULE_INDICATOR],
49 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
50 AC_REQUIRE([gl_SPAWN_H_DEFAULTS])
51 GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
54 AC_DEFUN([gl_SPAWN_H_DEFAULTS],
56 GNULIB_POSIX_SPAWN=0; AC_SUBST([GNULIB_POSIX_SPAWN])
57 GNULIB_POSIX_SPAWNP=0; AC_SUBST([GNULIB_POSIX_SPAWNP])
58 GNULIB_POSIX_SPAWN_FILE_ACTIONS_INIT=0; AC_SUBST([GNULIB_POSIX_SPAWN_FILE_ACTIONS_INIT])
59 GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE=0; AC_SUBST([GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE])
60 GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2=0; AC_SUBST([GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2])
61 GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN=0; AC_SUBST([GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN])
62 GNULIB_POSIX_SPAWN_FILE_ACTIONS_DESTROY=0; AC_SUBST([GNULIB_POSIX_SPAWN_FILE_ACTIONS_DESTROY])
63 GNULIB_POSIX_SPAWNATTR_INIT=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_INIT])
64 GNULIB_POSIX_SPAWNATTR_GETFLAGS=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_GETFLAGS])
65 GNULIB_POSIX_SPAWNATTR_SETFLAGS=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_SETFLAGS])
66 GNULIB_POSIX_SPAWNATTR_GETPGROUP=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_GETPGROUP])
67 GNULIB_POSIX_SPAWNATTR_SETPGROUP=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_SETPGROUP])
68 GNULIB_POSIX_SPAWNATTR_GETSCHEDPARAM=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_GETSCHEDPARAM])
69 GNULIB_POSIX_SPAWNATTR_SETSCHEDPARAM=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_SETSCHEDPARAM])
70 GNULIB_POSIX_SPAWNATTR_GETSCHEDPOLICY=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_GETSCHEDPOLICY])
71 GNULIB_POSIX_SPAWNATTR_SETSCHEDPOLICY=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_SETSCHEDPOLICY])
72 GNULIB_POSIX_SPAWNATTR_GETSIGDEFAULT=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_GETSIGDEFAULT])
73 GNULIB_POSIX_SPAWNATTR_SETSIGDEFAULT=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_SETSIGDEFAULT])
74 GNULIB_POSIX_SPAWNATTR_GETSIGMASK=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_GETSIGMASK])
75 GNULIB_POSIX_SPAWNATTR_SETSIGMASK=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_SETSIGMASK])
76 GNULIB_POSIX_SPAWNATTR_DESTROY=0; AC_SUBST([GNULIB_POSIX_SPAWNATTR_DESTROY])
77 dnl Assume proper GNU behavior unless another module says otherwise.
78 HAVE_POSIX_SPAWN=1; AC_SUBST([HAVE_POSIX_SPAWN])
79 HAVE_POSIX_SPAWNATTR_T=1; AC_SUBST([HAVE_POSIX_SPAWNATTR_T])
80 HAVE_POSIX_SPAWN_FILE_ACTIONS_T=1;
81 AC_SUBST([HAVE_POSIX_SPAWN_FILE_ACTIONS_T])
82 REPLACE_POSIX_SPAWN=0; AC_SUBST([REPLACE_POSIX_SPAWN])
83 SPAWN_H=''; AC_SUBST([SPAWN_H])