Upgraded code to switch to C++17. Tested on Debian Buster

test/Makefile.am

@@ -8,14 +8,14 @@ som_SOURCES = \
 	$(top_srcdir)/src/similarity/features/som/DataNormalizer.cpp	\
 	$(top_srcdir)/src/similarity/features/som/Network.cpp
 
-som_CXXFLAGS=-std=c++14 -Wall -I${top_srcdir}/src/ -I${top_srcdir}/src/similarity/features/som/
+som_CXXFLAGS=-std=c++17 -I${top_srcdir}/src/ -I${top_srcdir}/src/similarity/features/som/
 
 
 database_SOURCES = \
 	$(srcdir)/database/DatabaseTest.cpp			\
 	$(top_srcdir)/src/database/Artist.cpp			\
 	$(top_srcdir)/src/database/Cluster.cpp			\
-	$(top_srcdir)/src/database/Database.cpp			\
+	$(top_srcdir)/src/database/Db.cpp			\
 	$(top_srcdir)/src/database/TrackArtistLink.cpp		\
 	$(top_srcdir)/src/database/TrackFeatures.cpp		\
 	$(top_srcdir)/src/database/TrackList.cpp		\
@@ -29,5 +29,5 @@ database_SOURCES = \
 	$(top_srcdir)/src/utils/Logger.cpp			\
 	$(top_srcdir)/src/utils/Utils.cpp
 
-database_CXXFLAGS=-std=c++14 -Wall -I${top_srcdir}/src/
+database_CXXFLAGS=-std=c++17 -I${top_srcdir}/src/
 

test/database/DatabaseTest.cpp

@@ -19,11 +19,11 @@
 
 #include <cstdlib>
 
-#include <boost/filesystem.hpp>
+#include <filesystem>
 
 #include "database/Artist.hpp"
 #include "database/Cluster.hpp"
-#include "database/Database.hpp"
+#include "database/Db.hpp"
 #include "database/TrackList.hpp"
 #include "database/Release.hpp"
 #include "database/Track.hpp"
@@ -34,10 +34,10 @@ using namespace Database;
 class ScopedFileDeleter final
 {
 	public:
-		ScopedFileDeleter(const boost::filesystem::path& path) : _path {path} {}
-		~ScopedFileDeleter() { boost::filesystem::remove(_path); }
+		ScopedFileDeleter(const std::filesystem::path& path) : _path {path} {}
+		~ScopedFileDeleter() { std::filesystem::remove(_path); }
 	private:
-		boost::filesystem::path _path;
+		std::filesystem::path _path;
 };
 
 #define CHECK(PRED)  \
@@ -1247,19 +1247,19 @@ testDatabaseEmpty(Session& session)
 	CHECK(Track::getAll(session).empty());
 }
 
-int main(int argc, char* argv[])
+int main()
 {
 
 	try
 	{
-		const boost::filesystem::path tmpFile {boost::filesystem::temp_directory_path() / boost::filesystem::unique_path()};
+		const std::filesystem::path tmpFile {std::tmpnam(nullptr)};
 		ScopedFileDeleter tmpFileDeleter {tmpFile};
 
 		std::cout << "Database test file: '" << tmpFile.string() << "'" << std::endl;
 
 		for (std::size_t i = 0; i < 2; ++i)
 		{
-			Database::Database db {tmpFile};
+			Database::Db db {tmpFile};
 			std::unique_ptr<Session> session {db.createSession()};
 
 			auto runTest = [&session](const std::string& name, std::function<void(Session&)> testFunc)

test/som/SomTest.cpp

@@ -26,7 +26,7 @@
 
 using namespace SOM;
 
-int main(int argc, char* argv[])
+int main()
 {
 	static const InputVector::value_type EPSILON = 0.01;
 	{