swithed to C++17 and std::filesystem

Makefile

@@ -12,7 +12,7 @@ INCFLAGS = -I$(LIBI2PD_PATH) -I$(LIBI2PD_CLIENT_PATH)
 DEFINES = -DOPENSSL_SUPPRESS_DEPRECATED
 
 LDFLAGS = 
-LDLIBS = $(I2PD_PATH)/$(I2PD_LIB) -lboost_system$(BOOST_SUFFIX) -lboost_date_time$(BOOST_SUFFIX) -lboost_filesystem$(BOOST_SUFFIX) -lboost_program_options$(BOOST_SUFFIX) -lssl -lcrypto -lz 
+LDLIBS = $(I2PD_PATH)/$(I2PD_LIB) -lboost_system$(BOOST_SUFFIX) -lboost_program_options$(BOOST_SUFFIX) -lssl -lcrypto -lz 
 
 
 ifeq ($(UNAME),Linux)

i2pd

@@ -1 +1 @@
-Subproject commit c98926abf2dcd3cbe2cbbfc00a9e9159240c3df9
+Subproject commit 9668ea9338fe8524781d6966f576227775129769

vain.cpp

@@ -2,7 +2,7 @@
 #include<regex>
 #include<getopt.h>
 #include<string>
-#include<boost/filesystem.hpp>
+#include<filesystem>
 //#include<boost/algorithm/string/predicate.hpp>
 //#include<format> // is not supports for me
 
@@ -428,7 +428,7 @@ int main (int argc, char * argv[])
 		options.outputpath = options.outputpath + std::to_string(foundKeys) + std::string(".dat");
 		foundKeys++;
 		//printf("foundKeys = %d\n", foundKeys);
-	}while(  boost::filesystem::exists(options.outputpath) ); 
+	}while(  std::filesystem::exists(options.outputpath) ); 
 	//puts("do while cycle break");
 	//if ( ! boost::algorithm::ends_with(options.outputpath, ".dat") ) 
 	//	options.outputpath = options.outputpath + ".dat";