diff -auNr jurand-1.3.2-orig/Makefile jurand-1.3.2/Makefile
--- jurand-1.3.2-orig/Makefile	2023-12-14 16:27:32.535474016 +0800
+++ jurand-1.3.2/Makefile	2023-12-14 16:28:45.112770530 +0800
@@ -12,6 +12,9 @@
 test: test.sh test-compile
 	@./$<
 
+CXXFLAGS += -g -std=gnu++2a -Isrc -Wall -Wextra -Wpedantic -D_GLIBCXX_USE_CXX11_ABI=1
+LDFLAGS += -pthread
+
 $(call Executable_file,jurand): $(call Object_file,jurand.cpp)
 $(call Executable_file,jurand_test): $(call Object_file,jurand_test.cpp)
 
diff -auNr jurand-1.3.2-orig/src/java_symbols.hpp jurand-1.3.2/src/java_symbols.hpp
--- jurand-1.3.2-orig/src/java_symbols.hpp	2023-12-14 16:27:32.535474016 +0800
+++ jurand-1.3.2/src/java_symbols.hpp	2023-12-14 16:30:01.613434431 +0800
@@ -636,14 +636,14 @@
 	
 	if (not parameters.in_place_)
 	{
-		auto osyncstream = std::osyncstream(std::cout);
+		auto oss = std::osyncstream(std::cout);
 		
 		if (not path.empty())
 		{
-			osyncstream << path.native() << ":\n";
+			oss << path.native() << ":\n";
 		}
 		
-		osyncstream.write(content.c_str(), content.size());
+		oss.write(content.c_str(), content.size());
 	}
 	else if (content.size() < original_content.size())
 	{