external/boost/boost-ios.patch.0

# -*- Mode: Diff -*-
--- libs/filesystem/src/operations.cpp
+++ libs/filesystem/src/operations.cpp
@@ -492,7 +492,11 @@
     int err = invoke_statx(basedir_fd, p.c_str(), AT_NO_AUTOMOUNT, STATX_TYPE | STATX_MODE, &path_stat);
 #elif defined(BOOST_FILESYSTEM_HAS_POSIX_AT_APIS)
     struct ::stat path_stat;
+#ifdef AT_NO_AUTOMOUNT
     int err = ::fstatat(basedir_fd, p.c_str(), &path_stat, AT_NO_AUTOMOUNT);
+#else
+    int err = ::fstatat(basedir_fd, p.c_str(), &path_stat, 0);
+#endif
 #else
     struct ::stat path_stat;
     int err = ::stat(p.c_str(), &path_stat);
@@ -553,7 +553,11 @@
     int err = invoke_statx(basedir_fd, p.c_str(), AT_SYMLINK_NOFOLLOW | AT_NO_AUTOMOUNT, STATX_TYPE | STATX_MODE, &path_stat);
 #elif defined(BOOST_FILESYSTEM_HAS_POSIX_AT_APIS)
     struct ::stat path_stat;
+#ifdef AT_NO_AUTOMOUNT
     int err = ::fstatat(basedir_fd, p.c_str(), &path_stat, AT_SYMLINK_NOFOLLOW | AT_NO_AUTOMOUNT);
+#else
+    int err = ::fstatat(basedir_fd, p.c_str(), &path_stat, AT_SYMLINK_NOFOLLOW);
+#endif
 #else
     struct ::stat path_stat;
     int err = ::lstat(p.c_str(), &path_stat);