1# sys_stat_h.m4 serial 33 -*- Autoconf -*- 2dnl Copyright (C) 2006-2020 Free Software Foundation, Inc. 3dnl This file is free software; the Free Software Foundation 4dnl gives unlimited permission to copy and/or distribute it, 5dnl with or without modifications, as long as this notice is preserved. 6 7dnl From Eric Blake. 8dnl Provide a GNU-like <sys/stat.h>. 9 10AC_DEFUN([gl_HEADER_SYS_STAT_H], 11[ 12 AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) 13 14 dnl Check for broken stat macros. 15 AC_REQUIRE([AC_HEADER_STAT]) 16 17 gl_CHECK_NEXT_HEADERS([sys/stat.h]) 18 19 dnl Ensure the type mode_t gets defined. 20 AC_REQUIRE([AC_TYPE_MODE_T]) 21 22 dnl Whether to enable precise timestamps in 'struct stat'. 23 m4_ifdef([gl_WINDOWS_STAT_TIMESPEC], [ 24 AC_REQUIRE([gl_WINDOWS_STAT_TIMESPEC]) 25 ], [ 26 WINDOWS_STAT_TIMESPEC=0 27 ]) 28 AC_SUBST([WINDOWS_STAT_TIMESPEC]) 29 30 dnl Whether to ensure that struct stat.st_size is 64-bit wide. 31 m4_ifdef([gl_LARGEFILE], [ 32 AC_REQUIRE([gl_LARGEFILE]) 33 ], [ 34 WINDOWS_64_BIT_ST_SIZE=0 35 ]) 36 AC_SUBST([WINDOWS_64_BIT_ST_SIZE]) 37 38 dnl Define types that are supposed to be defined in <sys/types.h> or 39 dnl <sys/stat.h>. 40 AC_CHECK_TYPE([nlink_t], [], 41 [AC_DEFINE([nlink_t], [int], 42 [Define to the type of st_nlink in struct stat, or a supertype.])], 43 [#include <sys/types.h> 44 #include <sys/stat.h>]) 45 46 dnl Check for declarations of anything we want to poison if the 47 dnl corresponding gnulib module is not in use. 48 gl_WARN_ON_USE_PREPARE([[#include <sys/stat.h> 49 ]], [fchmodat fstat fstatat futimens lchmod lstat mkdirat mkfifo mkfifoat 50 mknod mknodat stat utimensat]) 51 52 AC_REQUIRE([AC_C_RESTRICT]) 53]) 54 55AC_DEFUN([gl_SYS_STAT_MODULE_INDICATOR], 56[ 57 dnl Use AC_REQUIRE here, so that the default settings are expanded once only. 58 AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) 59 gl_MODULE_INDICATOR_SET_VARIABLE([$1]) 60 dnl Define it also as a C macro, for the benefit of the unit tests. 61 gl_MODULE_INDICATOR_FOR_TESTS([$1]) 62]) 63 64AC_DEFUN([gl_SYS_STAT_H_DEFAULTS], 65[ 66 AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) dnl for REPLACE_FCHDIR 67 GNULIB_FCHMODAT=0; AC_SUBST([GNULIB_FCHMODAT]) 68 GNULIB_FSTAT=0; AC_SUBST([GNULIB_FSTAT]) 69 GNULIB_FSTATAT=0; AC_SUBST([GNULIB_FSTATAT]) 70 GNULIB_FUTIMENS=0; AC_SUBST([GNULIB_FUTIMENS]) 71 GNULIB_LCHMOD=0; AC_SUBST([GNULIB_LCHMOD]) 72 GNULIB_LSTAT=0; AC_SUBST([GNULIB_LSTAT]) 73 GNULIB_MKDIRAT=0; AC_SUBST([GNULIB_MKDIRAT]) 74 GNULIB_MKFIFO=0; AC_SUBST([GNULIB_MKFIFO]) 75 GNULIB_MKFIFOAT=0; AC_SUBST([GNULIB_MKFIFOAT]) 76 GNULIB_MKNOD=0; AC_SUBST([GNULIB_MKNOD]) 77 GNULIB_MKNODAT=0; AC_SUBST([GNULIB_MKNODAT]) 78 GNULIB_STAT=0; AC_SUBST([GNULIB_STAT]) 79 GNULIB_UTIMENSAT=0; AC_SUBST([GNULIB_UTIMENSAT]) 80 GNULIB_OVERRIDES_STRUCT_STAT=0; AC_SUBST([GNULIB_OVERRIDES_STRUCT_STAT]) 81 dnl Assume proper GNU behavior unless another module says otherwise. 82 HAVE_FCHMODAT=1; AC_SUBST([HAVE_FCHMODAT]) 83 HAVE_FSTATAT=1; AC_SUBST([HAVE_FSTATAT]) 84 HAVE_FUTIMENS=1; AC_SUBST([HAVE_FUTIMENS]) 85 HAVE_LCHMOD=1; AC_SUBST([HAVE_LCHMOD]) 86 HAVE_LSTAT=1; AC_SUBST([HAVE_LSTAT]) 87 HAVE_MKDIRAT=1; AC_SUBST([HAVE_MKDIRAT]) 88 HAVE_MKFIFO=1; AC_SUBST([HAVE_MKFIFO]) 89 HAVE_MKFIFOAT=1; AC_SUBST([HAVE_MKFIFOAT]) 90 HAVE_MKNOD=1; AC_SUBST([HAVE_MKNOD]) 91 HAVE_MKNODAT=1; AC_SUBST([HAVE_MKNODAT]) 92 HAVE_UTIMENSAT=1; AC_SUBST([HAVE_UTIMENSAT]) 93 REPLACE_FCHMODAT=0; AC_SUBST([REPLACE_FCHMODAT]) 94 REPLACE_FSTAT=0; AC_SUBST([REPLACE_FSTAT]) 95 REPLACE_FSTATAT=0; AC_SUBST([REPLACE_FSTATAT]) 96 REPLACE_FUTIMENS=0; AC_SUBST([REPLACE_FUTIMENS]) 97 REPLACE_LSTAT=0; AC_SUBST([REPLACE_LSTAT]) 98 REPLACE_MKDIR=0; AC_SUBST([REPLACE_MKDIR]) 99 REPLACE_MKFIFO=0; AC_SUBST([REPLACE_MKFIFO]) 100 REPLACE_MKNOD=0; AC_SUBST([REPLACE_MKNOD]) 101 REPLACE_STAT=0; AC_SUBST([REPLACE_STAT]) 102 REPLACE_UTIMENSAT=0; AC_SUBST([REPLACE_UTIMENSAT]) 103]) 104