| 1 | # serial 15 |
| 2 | # Configure fcntl.h. |
| 3 | dnl Copyright (C) 2006-2007, 2009-2014 Free Software Foundation, Inc. |
| 4 | dnl This file is free software; the Free Software Foundation |
| 5 | dnl gives unlimited permission to copy and/or distribute it, |
| 6 | dnl with or without modifications, as long as this notice is preserved. |
| 7 | |
| 8 | dnl Written by Paul Eggert. |
| 9 | |
| 10 | AC_DEFUN([gl_FCNTL_H], |
| 11 | [ |
| 12 | AC_REQUIRE([gl_FCNTL_H_DEFAULTS]) |
| 13 | AC_REQUIRE([gl_FCNTL_O_FLAGS]) |
| 14 | gl_NEXT_HEADERS([fcntl.h]) |
| 15 | |
| 16 | dnl Ensure the type pid_t gets defined. |
| 17 | AC_REQUIRE([AC_TYPE_PID_T]) |
| 18 | |
| 19 | dnl Ensure the type mode_t gets defined. |
| 20 | AC_REQUIRE([AC_TYPE_MODE_T]) |
| 21 | |
| 22 | dnl Check for declarations of anything we want to poison if the |
| 23 | dnl corresponding gnulib module is not in use, if it is not common |
| 24 | dnl enough to be declared everywhere. |
| 25 | gl_WARN_ON_USE_PREPARE([[#include <fcntl.h> |
| 26 | ]], [fcntl openat]) |
| 27 | ]) |
| 28 | |
| 29 | AC_DEFUN([gl_FCNTL_MODULE_INDICATOR], |
| 30 | [ |
| 31 | dnl Use AC_REQUIRE here, so that the default settings are expanded once only. |
| 32 | AC_REQUIRE([gl_FCNTL_H_DEFAULTS]) |
| 33 | gl_MODULE_INDICATOR_SET_VARIABLE([$1]) |
| 34 | dnl Define it also as a C macro, for the benefit of the unit tests. |
| 35 | gl_MODULE_INDICATOR_FOR_TESTS([$1]) |
| 36 | ]) |
| 37 | |
| 38 | AC_DEFUN([gl_FCNTL_H_DEFAULTS], |
| 39 | [ |
| 40 | GNULIB_FCNTL=0; AC_SUBST([GNULIB_FCNTL]) |
| 41 | GNULIB_NONBLOCKING=0; AC_SUBST([GNULIB_NONBLOCKING]) |
| 42 | GNULIB_OPEN=0; AC_SUBST([GNULIB_OPEN]) |
| 43 | GNULIB_OPENAT=0; AC_SUBST([GNULIB_OPENAT]) |
| 44 | dnl Assume proper GNU behavior unless another module says otherwise. |
| 45 | HAVE_FCNTL=1; AC_SUBST([HAVE_FCNTL]) |
| 46 | HAVE_OPENAT=1; AC_SUBST([HAVE_OPENAT]) |
| 47 | REPLACE_FCNTL=0; AC_SUBST([REPLACE_FCNTL]) |
| 48 | REPLACE_OPEN=0; AC_SUBST([REPLACE_OPEN]) |
| 49 | REPLACE_OPENAT=0; AC_SUBST([REPLACE_OPENAT]) |
| 50 | ]) |