unix_capture.c: Optionally use dirfd-relative functions (openat(), etc)

[wimlib] / configure.ac

diff --git a/configure.ac b/configure.ac
index 3f7f2b897ce76d111184050a290581df823cb4e4..75f4bd631238085ffc90fad549b7dac010d24293 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -48,7 +48,8 @@ AC_PROG_CC
 AM_PROG_CC_C_O
 AC_CANONICAL_HOST
 
-AC_CHECK_FUNCS([utimensat lutimes utime flock mempcpy])
+AC_CHECK_FUNCS([utimensat lutimes utime flock mempcpy  \
+               openat fstatat readlinkat fdopendir])
 
 # Note: some of the following header checks are only to define the appropriate
 # HAVE_*_H macro so that the NTFS-3g headers don't get confused and try to skip
@@ -206,25 +207,6 @@ case "$host" in
                ;;
 esac
 
-AC_ARG_WITH([ntdll],
-           AS_HELP_STRING([--without-ntdll], [Windows only:  do not try to
-                           use functions from ntdll.  By default, in some parts
-                           of its code, wimlib uses Windows NT system calls to
-                           work around flaws in the Win32 API.  This support
-                           can be omitted if needed, but some annoying bugs
-                           will surface (e.g.  permission denied errors even
-                                         when running as the Administrator).]),
-       [WITH_NTDLL=$withval],
-       [WITH_NTDLL=yes])
-
-if test "x$WINDOWS_NATIVE_BUILD" = "xyes"; then
-       if test "x$WITH_NTDLL" = "xyes"; then
-               WINDOWS_LDADD="$WINDOWS_LDADD"
-               AC_DEFINE([WITH_NTDLL], [1], [Define to 1 to try to use ntdll
-                                               functions])
-       fi
-fi
-
 AC_SUBST([VISIBILITY_CFLAGS], [$VISIBILITY_CFLAGS])
 AC_SUBST([WINDOWS_LDFLAGS], [$WINDOWS_LDFLAGS])
 AC_SUBST([WINDOWS_LDADD], [$WINDOWS_LDADD])