From 2971d4c975c8e893421fe65c207ab18ddc199377 Mon Sep 17 00:00:00 2001
From: "hong.guo" <hong.guo@advantech.com.cn>
Date: Fri, 26 Nov 2021 13:07:56 +0800
Subject: [PATCH] add compatible definition for std::experimental::filesystem

---
 include/SQLiteCpp/Database.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/include/SQLiteCpp/Database.h b/include/SQLiteCpp/Database.h
index 7ee45d8..95ed341 100644
--- a/include/SQLiteCpp/Database.h
+++ b/include/SQLiteCpp/Database.h
@@ -15,6 +15,7 @@
 // c++17: MinGW GCC version > 8
 // c++17: Visual Studio 2017 version 15.7
 // c++17: macOS unless targetting compatibility with macOS < 10.15
+#ifndef SQLITECPP_HAVE_STD_EXPERIMENTAL_FILESYSTEM
 #if __cplusplus >= 201703L
     #if defined(__MINGW32__) || defined(__MINGW64__)
         #if __GNUC__ > 8 // MinGW requires GCC version > 8 for std::filesystem
@@ -33,6 +34,16 @@
 #include  <filesystem>
 #endif // c++17 and a suitable compiler
 
+#else // SQLITECPP_HAVE_STD_EXPERIMENTAL_FILESYSTEM
+
+#define SQLITECPP_HAVE_STD_FILESYSTEM
+#include  <experimental/filesystem>
+namespace std {
+namespace filesystem = experimental::filesystem;
+}
+
+#endif // SQLITECPP_HAVE_STD_EXPERIMENTAL_FILESYSTEM
+
 #include <memory>
 #include <string.h>