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-rw-r--r--m4/posix_spawn_faction_addchdir.m420
1 files changed, 20 insertions, 0 deletions
diff --git a/m4/posix_spawn_faction_addchdir.m4 b/m4/posix_spawn_faction_addchdir.m4
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+++ b/m4/posix_spawn_faction_addchdir.m4
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+# posix_spawn_faction_addchdir.m4 serial 1
+dnl Copyright (C) 2018-2020 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.
+
+AC_DEFUN([gl_FUNC_POSIX_SPAWN_FILE_ACTIONS_ADDCHDIR],
+[
+ AC_REQUIRE([gl_SPAWN_H_DEFAULTS])
+ AC_REQUIRE([AC_PROG_CC])
+ gl_POSIX_SPAWN
+ AC_CHECK_FUNCS_ONCE([posix_spawn_file_actions_addchdir posix_spawn_file_actions_addchdir_np])
+ if test $ac_cv_func_posix_spawn_file_actions_addchdir = yes; then
+ dnl This function is not yet standardized. Therefore override the
+ dnl system's implementation always.
+ REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDCHDIR=1
+ else
+ HAVE_POSIX_SPAWN_FILE_ACTIONS_ADDCHDIR=0
+ fi
+])