Version v0.2.101 - Update entropy addition

Makefile

@@ -1,18 +1,19 @@
 CC = gcc
 CFLAGS = -Wall -Wextra -std=c99
-LIBS = 
-LIBS_STATIC = -static
+LIBS = -lm
+LIBS_STATIC = -static -lm
 TARGET = otp
 SOURCE = otp.c
+CHACHA20_SOURCE = nostr_chacha20.c
 VERSION_SOURCE = src/version.c
 
 # Default build target
 $(TARGET): $(SOURCE)
-	$(CC) $(CFLAGS) -o $(TARGET) $(SOURCE) $(VERSION_SOURCE) $(LIBS)
+	$(CC) $(CFLAGS) -o $(TARGET) $(SOURCE) $(CHACHA20_SOURCE) $(VERSION_SOURCE) $(LIBS)
 
 # Static linking target
 static: $(SOURCE)
-	$(CC) $(CFLAGS) -o $(TARGET) $(SOURCE) $(VERSION_SOURCE) $(LIBS_STATIC)
+	$(CC) $(CFLAGS) -o $(TARGET) $(SOURCE) $(CHACHA20_SOURCE) $(VERSION_SOURCE) $(LIBS_STATIC)
 
 clean:
 	rm -f $(TARGET) *.pad *.state