mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-01 08:17:38 +00:00
131 lines
5.2 KiB
Plaintext
131 lines
5.2 KiB
Plaintext
# sys_stat_h.m4
|
|
# serial 42 -*- Autoconf -*-
|
|
dnl Copyright (C) 2006-2024 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.
|
|
|
|
dnl From Eric Blake.
|
|
dnl Provide a GNU-like <sys/stat.h>.
|
|
|
|
AC_DEFUN_ONCE([gl_SYS_STAT_H],
|
|
[
|
|
AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
|
|
|
|
dnl Check for broken stat macros.
|
|
AC_REQUIRE([AC_HEADER_STAT])
|
|
|
|
gl_CHECK_NEXT_HEADERS([sys/stat.h])
|
|
|
|
dnl Ensure the type mode_t gets defined.
|
|
AC_REQUIRE([AC_TYPE_MODE_T])
|
|
|
|
dnl Whether to enable precise timestamps in 'struct stat'.
|
|
m4_ifdef([gl_WINDOWS_STAT_TIMESPEC], [
|
|
AC_REQUIRE([gl_WINDOWS_STAT_TIMESPEC])
|
|
], [
|
|
WINDOWS_STAT_TIMESPEC=0
|
|
])
|
|
AC_SUBST([WINDOWS_STAT_TIMESPEC])
|
|
|
|
dnl Whether to ensure that struct stat.st_size is 64-bit wide.
|
|
m4_ifdef([gl_LARGEFILE], [
|
|
AC_REQUIRE([gl_LARGEFILE])
|
|
], [
|
|
WINDOWS_64_BIT_ST_SIZE=0
|
|
])
|
|
AC_SUBST([WINDOWS_64_BIT_ST_SIZE])
|
|
|
|
dnl Define types that are supposed to be defined in <sys/types.h> or
|
|
dnl <sys/stat.h>.
|
|
AC_CHECK_TYPE([nlink_t], [],
|
|
[AC_DEFINE([nlink_t], [int],
|
|
[Define to the type of st_nlink in struct stat, or a supertype.])],
|
|
[#include <sys/types.h>
|
|
#include <sys/stat.h>])
|
|
|
|
dnl Check for declarations of anything we want to poison if the
|
|
dnl corresponding gnulib module is not in use.
|
|
gl_WARN_ON_USE_PREPARE([[#include <sys/stat.h>
|
|
]], [chmod fchmodat fstat fstatat futimens getumask lchmod lstat
|
|
mkdirat mkfifo mkfifoat mknod mknodat stat utimensat])
|
|
|
|
AC_REQUIRE([AC_C_RESTRICT])
|
|
])
|
|
|
|
# gl_SYS_STAT_MODULE_INDICATOR([modulename])
|
|
# sets the shell variable that indicates the presence of the given module
|
|
# to a C preprocessor expression that will evaluate to 1.
|
|
# This macro invocation must not occur in macros that are AC_REQUIREd.
|
|
AC_DEFUN([gl_SYS_STAT_MODULE_INDICATOR],
|
|
[
|
|
dnl Ensure to expand the default settings once only.
|
|
gl_SYS_STAT_H_REQUIRE_DEFAULTS
|
|
gl_MODULE_INDICATOR_SET_VARIABLE([$1])
|
|
dnl Define it also as a C macro, for the benefit of the unit tests.
|
|
gl_MODULE_INDICATOR_FOR_TESTS([$1])
|
|
])
|
|
|
|
# Initializes the default values for AC_SUBSTed shell variables.
|
|
# This macro must not be AC_REQUIREd. It must only be invoked, and only
|
|
# outside of macros or in macros that are not AC_REQUIREd.
|
|
AC_DEFUN([gl_SYS_STAT_H_REQUIRE_DEFAULTS],
|
|
[
|
|
m4_defun(GL_MODULE_INDICATOR_PREFIX[_SYS_STAT_H_MODULE_INDICATOR_DEFAULTS], [
|
|
gl_UNISTD_H_REQUIRE_DEFAULTS dnl for REPLACE_FCHDIR
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_CHMOD])
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FCHMODAT])
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FSTAT])
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FSTATAT])
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FUTIMENS])
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_GETUMASK])
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LCHMOD])
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_LSTAT])
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKDIR])
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKDIRAT])
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKFIFO])
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKFIFOAT])
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKNOD])
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKNODAT])
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STAT])
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_UTIMENSAT])
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_OVERRIDES_STRUCT_STAT])
|
|
dnl Support Microsoft deprecated alias function names by default.
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_CHMOD], [1])
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_MKDIR], [1])
|
|
gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_UMASK], [1])
|
|
])
|
|
m4_require(GL_MODULE_INDICATOR_PREFIX[_SYS_STAT_H_MODULE_INDICATOR_DEFAULTS])
|
|
AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
|
|
])
|
|
|
|
AC_DEFUN([gl_SYS_STAT_H_DEFAULTS],
|
|
[
|
|
dnl Assume proper GNU behavior unless another module says otherwise.
|
|
HAVE_FCHMODAT=1; AC_SUBST([HAVE_FCHMODAT])
|
|
HAVE_FSTATAT=1; AC_SUBST([HAVE_FSTATAT])
|
|
HAVE_FUTIMENS=1; AC_SUBST([HAVE_FUTIMENS])
|
|
HAVE_GETUMASK=1; AC_SUBST([HAVE_GETUMASK])
|
|
HAVE_LCHMOD=1; AC_SUBST([HAVE_LCHMOD])
|
|
HAVE_LSTAT=1; AC_SUBST([HAVE_LSTAT])
|
|
HAVE_MKDIRAT=1; AC_SUBST([HAVE_MKDIRAT])
|
|
HAVE_MKFIFO=1; AC_SUBST([HAVE_MKFIFO])
|
|
HAVE_MKFIFOAT=1; AC_SUBST([HAVE_MKFIFOAT])
|
|
HAVE_MKNOD=1; AC_SUBST([HAVE_MKNOD])
|
|
HAVE_MKNODAT=1; AC_SUBST([HAVE_MKNODAT])
|
|
HAVE_UTIMENSAT=1; AC_SUBST([HAVE_UTIMENSAT])
|
|
REPLACE_CHMOD=0; AC_SUBST([REPLACE_CHMOD])
|
|
REPLACE_FCHMODAT=0; AC_SUBST([REPLACE_FCHMODAT])
|
|
REPLACE_FSTAT=0; AC_SUBST([REPLACE_FSTAT])
|
|
REPLACE_FSTATAT=0; AC_SUBST([REPLACE_FSTATAT])
|
|
REPLACE_FUTIMENS=0; AC_SUBST([REPLACE_FUTIMENS])
|
|
REPLACE_LSTAT=0; AC_SUBST([REPLACE_LSTAT])
|
|
REPLACE_MKDIR=0; AC_SUBST([REPLACE_MKDIR])
|
|
REPLACE_MKFIFO=0; AC_SUBST([REPLACE_MKFIFO])
|
|
REPLACE_MKFIFOAT=0; AC_SUBST([REPLACE_MKFIFOAT])
|
|
REPLACE_MKNOD=0; AC_SUBST([REPLACE_MKNOD])
|
|
REPLACE_MKNODAT=0; AC_SUBST([REPLACE_MKNODAT])
|
|
REPLACE_STAT=0; AC_SUBST([REPLACE_STAT])
|
|
REPLACE_UTIMENSAT=0; AC_SUBST([REPLACE_UTIMENSAT])
|
|
])
|