sys_stat_h.m4 3.7 KB

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  1. # sys_stat_h.m4 serial 27 -*- Autoconf -*-
  2. dnl Copyright (C) 2006-2012 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.
  6. dnl From Eric Blake.
  7. dnl Provide a GNU-like <sys/stat.h>.
  8. AC_DEFUN([gl_HEADER_SYS_STAT_H],
  9. [
  10. AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
  11. dnl For the mkdir substitute.
  12. AC_REQUIRE([AC_C_INLINE])
  13. dnl Check for broken stat macros.
  14. AC_REQUIRE([AC_HEADER_STAT])
  15. gl_CHECK_NEXT_HEADERS([sys/stat.h])
  16. dnl Ensure the type mode_t gets defined.
  17. AC_REQUIRE([AC_TYPE_MODE_T])
  18. dnl Whether to override 'struct stat'.
  19. m4_ifdef([gl_LARGEFILE], [
  20. AC_REQUIRE([gl_LARGEFILE])
  21. ], [
  22. WINDOWS_64_BIT_ST_SIZE=0
  23. ])
  24. AC_SUBST([WINDOWS_64_BIT_ST_SIZE])
  25. if test $WINDOWS_64_BIT_ST_SIZE = 1; then
  26. AC_DEFINE([_GL_WINDOWS_64_BIT_ST_SIZE], [1],
  27. [Define to 1 if Gnulib overrides 'struct stat' on Windows so that
  28. struct stat.st_size becomes 64-bit.])
  29. fi
  30. dnl Define types that are supposed to be defined in <sys/types.h> or
  31. dnl <sys/stat.h>.
  32. AC_CHECK_TYPE([nlink_t], [],
  33. [AC_DEFINE([nlink_t], [int],
  34. [Define to the type of st_nlink in struct stat, or a supertype.])],
  35. [#include <sys/types.h>
  36. #include <sys/stat.h>])
  37. dnl Check for declarations of anything we want to poison if the
  38. dnl corresponding gnulib module is not in use.
  39. gl_WARN_ON_USE_PREPARE([[#include <sys/stat.h>
  40. ]], [fchmodat fstat fstatat futimens lchmod lstat mkdirat mkfifo mkfifoat
  41. mknod mknodat stat utimensat])
  42. ]) # gl_HEADER_SYS_STAT_H
  43. AC_DEFUN([gl_SYS_STAT_MODULE_INDICATOR],
  44. [
  45. dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
  46. AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
  47. gl_MODULE_INDICATOR_SET_VARIABLE([$1])
  48. dnl Define it also as a C macro, for the benefit of the unit tests.
  49. gl_MODULE_INDICATOR_FOR_TESTS([$1])
  50. ])
  51. AC_DEFUN([gl_SYS_STAT_H_DEFAULTS],
  52. [
  53. AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) dnl for REPLACE_FCHDIR
  54. GNULIB_FCHMODAT=0; AC_SUBST([GNULIB_FCHMODAT])
  55. GNULIB_FSTAT=0; AC_SUBST([GNULIB_FSTAT])
  56. GNULIB_FSTATAT=0; AC_SUBST([GNULIB_FSTATAT])
  57. GNULIB_FUTIMENS=0; AC_SUBST([GNULIB_FUTIMENS])
  58. GNULIB_LCHMOD=0; AC_SUBST([GNULIB_LCHMOD])
  59. GNULIB_LSTAT=0; AC_SUBST([GNULIB_LSTAT])
  60. GNULIB_MKDIRAT=0; AC_SUBST([GNULIB_MKDIRAT])
  61. GNULIB_MKFIFO=0; AC_SUBST([GNULIB_MKFIFO])
  62. GNULIB_MKFIFOAT=0; AC_SUBST([GNULIB_MKFIFOAT])
  63. GNULIB_MKNOD=0; AC_SUBST([GNULIB_MKNOD])
  64. GNULIB_MKNODAT=0; AC_SUBST([GNULIB_MKNODAT])
  65. GNULIB_STAT=0; AC_SUBST([GNULIB_STAT])
  66. GNULIB_UTIMENSAT=0; AC_SUBST([GNULIB_UTIMENSAT])
  67. dnl Assume proper GNU behavior unless another module says otherwise.
  68. HAVE_FCHMODAT=1; AC_SUBST([HAVE_FCHMODAT])
  69. HAVE_FSTATAT=1; AC_SUBST([HAVE_FSTATAT])
  70. HAVE_FUTIMENS=1; AC_SUBST([HAVE_FUTIMENS])
  71. HAVE_LCHMOD=1; AC_SUBST([HAVE_LCHMOD])
  72. HAVE_LSTAT=1; AC_SUBST([HAVE_LSTAT])
  73. HAVE_MKDIRAT=1; AC_SUBST([HAVE_MKDIRAT])
  74. HAVE_MKFIFO=1; AC_SUBST([HAVE_MKFIFO])
  75. HAVE_MKFIFOAT=1; AC_SUBST([HAVE_MKFIFOAT])
  76. HAVE_MKNOD=1; AC_SUBST([HAVE_MKNOD])
  77. HAVE_MKNODAT=1; AC_SUBST([HAVE_MKNODAT])
  78. HAVE_UTIMENSAT=1; AC_SUBST([HAVE_UTIMENSAT])
  79. REPLACE_FSTAT=0; AC_SUBST([REPLACE_FSTAT])
  80. REPLACE_FSTATAT=0; AC_SUBST([REPLACE_FSTATAT])
  81. REPLACE_FUTIMENS=0; AC_SUBST([REPLACE_FUTIMENS])
  82. REPLACE_LSTAT=0; AC_SUBST([REPLACE_LSTAT])
  83. REPLACE_MKDIR=0; AC_SUBST([REPLACE_MKDIR])
  84. REPLACE_MKFIFO=0; AC_SUBST([REPLACE_MKFIFO])
  85. REPLACE_MKNOD=0; AC_SUBST([REPLACE_MKNOD])
  86. REPLACE_STAT=0; AC_SUBST([REPLACE_STAT])
  87. REPLACE_UTIMENSAT=0; AC_SUBST([REPLACE_UTIMENSAT])
  88. ])