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Diffstat (limited to 'm4/sys_stat_h.m4')
| -rw-r--r-- | m4/sys_stat_h.m4 | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/m4/sys_stat_h.m4 b/m4/sys_stat_h.m4 new file mode 100644 index 0000000..52f06aa --- /dev/null +++ b/m4/sys_stat_h.m4 @@ -0,0 +1,100 @@ +# sys_stat_h.m4 serial 31 -*- Autoconf -*- +dnl Copyright (C) 2006-2018 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([gl_HEADER_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> + ]], [fchmodat fstat fstatat futimens lchmod lstat mkdirat mkfifo mkfifoat + mknod mknodat stat utimensat]) +]) # gl_HEADER_SYS_STAT_H + +AC_DEFUN([gl_SYS_STAT_MODULE_INDICATOR], +[ + dnl Use AC_REQUIRE here, so that the default settings are expanded once only. + AC_REQUIRE([gl_SYS_STAT_H_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]) +]) + +AC_DEFUN([gl_SYS_STAT_H_DEFAULTS], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) dnl for REPLACE_FCHDIR + GNULIB_FCHMODAT=0; AC_SUBST([GNULIB_FCHMODAT]) + GNULIB_FSTAT=0; AC_SUBST([GNULIB_FSTAT]) + GNULIB_FSTATAT=0; AC_SUBST([GNULIB_FSTATAT]) + GNULIB_FUTIMENS=0; AC_SUBST([GNULIB_FUTIMENS]) + GNULIB_LCHMOD=0; AC_SUBST([GNULIB_LCHMOD]) + GNULIB_LSTAT=0; AC_SUBST([GNULIB_LSTAT]) + GNULIB_MKDIRAT=0; AC_SUBST([GNULIB_MKDIRAT]) + GNULIB_MKFIFO=0; AC_SUBST([GNULIB_MKFIFO]) + GNULIB_MKFIFOAT=0; AC_SUBST([GNULIB_MKFIFOAT]) + GNULIB_MKNOD=0; AC_SUBST([GNULIB_MKNOD]) + GNULIB_MKNODAT=0; AC_SUBST([GNULIB_MKNODAT]) + GNULIB_STAT=0; AC_SUBST([GNULIB_STAT]) + GNULIB_UTIMENSAT=0; AC_SUBST([GNULIB_UTIMENSAT]) + GNULIB_OVERRIDES_STRUCT_STAT=0; AC_SUBST([GNULIB_OVERRIDES_STRUCT_STAT]) + 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_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_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_MKNOD=0; AC_SUBST([REPLACE_MKNOD]) + REPLACE_STAT=0; AC_SUBST([REPLACE_STAT]) + REPLACE_UTIMENSAT=0; AC_SUBST([REPLACE_UTIMENSAT]) +]) |