1 # sys_stat_h.m4 serial 10 -*- Autoconf -*- 2 dnl Copyright (C) 2006-2008 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 7 dnl From Eric Blake. 8 dnl Test whether <sys/stat.h> contains lstat and mkdir or must be substituted. 9 10 AC_DEFUN([gl_HEADER_SYS_STAT_H], 11 [ 12 AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) 13 14 dnl Check for lstat. Systems that lack it (mingw) also lack symlinks, so 15 dnl stat is a good replacement. 16 AC_CHECK_FUNCS_ONCE([lstat]) 17 if test $ac_cv_func_lstat = yes; then 18 HAVE_LSTAT=1 19 else 20 HAVE_LSTAT=0 21 fi 22 AC_SUBST([HAVE_LSTAT]) 23 24 dnl For the mkdir substitute. 25 AC_REQUIRE([AC_C_INLINE]) 26 27 dnl Check for broken stat macros. 28 AC_REQUIRE([AC_HEADER_STAT]) 29 30 gl_CHECK_NEXT_HEADERS([sys/stat.h]) 31 SYS_STAT_H='sys/stat.h' 32 AC_SUBST([SYS_STAT_H]) 33 34 dnl Define types that are supposed to be defined in <sys/types.h> or 35 dnl <sys/stat.h>. 36 AC_CHECK_TYPE([nlink_t], [], 37 [AC_DEFINE([nlink_t], [int], 38 [Define to the type of st_nlink in struct stat, or a supertype.])], 39 [#include <sys/types.h> 40 #include <sys/stat.h>]) 41 42 ]) # gl_HEADER_SYS_STAT_H 43 44 AC_DEFUN([gl_SYS_STAT_MODULE_INDICATOR], 45 [ 46 dnl Use AC_REQUIRE here, so that the default settings are expanded once only. 47 AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS]) 48 GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1 49 ]) 50 51 AC_DEFUN([gl_SYS_STAT_H_DEFAULTS], 52 [ 53 GNULIB_LCHMOD=0; AC_SUBST([GNULIB_LCHMOD]) 54 GNULIB_LSTAT=0; AC_SUBST([GNULIB_LSTAT]) 55 dnl Assume proper GNU behavior unless another module says otherwise. 56 HAVE_LCHMOD=1; AC_SUBST([HAVE_LCHMOD]) 57 REPLACE_LSTAT=0; AC_SUBST([REPLACE_LSTAT]) 58 REPLACE_MKDIR=0; AC_SUBST([REPLACE_MKDIR]) 59 ]) 60
