1# serial 10 2# See if we need to provide faccessat replacement. 3 4dnl Copyright (C) 2009-2021 Free Software Foundation, Inc. 5dnl This file is free software; the Free Software Foundation 6dnl gives unlimited permission to copy and/or distribute it, 7dnl with or without modifications, as long as this notice is preserved. 8 9# Written by Eric Blake. 10 11AC_DEFUN([gl_FUNC_FACCESSAT], 12[ 13 AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) 14 AC_REQUIRE([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK]) 15 16 dnl Persuade glibc <unistd.h> to declare faccessat(). 17 AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) 18 19 AC_CHECK_FUNCS_ONCE([faccessat]) 20 if test $ac_cv_func_faccessat = no; then 21 HAVE_FACCESSAT=0 22 else 23 case $gl_cv_func_lstat_dereferences_slashed_symlink in 24 *yes) ;; 25 *) REPLACE_FACCESSAT=1 ;; 26 esac 27 fi 28]) 29 30# Prerequisites of lib/faccessat.c. 31AC_DEFUN([gl_PREREQ_FACCESSAT], 32[ 33 AC_CHECK_FUNCS([access]) 34]) 35