Remove compilation artifacts

Makefile

@@ -6,9 +6,20 @@ LFLAGS = -lssl -lcrypto
 CFILES = $(shell find src -name "*.c")
 HFILES = $(shell find src -name "*.h")
 
-EXAMPLES_CLIENT := $(basename $(shell ls examples/client/*.c 2>/dev/null))
-EXAMPLES_SERVER := $(basename $(shell ls examples/server/*.c 2>/dev/null))
-EXAMPLES_ENGINE := $(basename $(shell ls examples/engine/*.c 2>/dev/null))
+# Detect OS and set executable extension
+ifeq ($(OS),Windows_NT)
+    EXT = .exe
+else
+    EXT = .out
+endif
+
+EXAMPLES_CLIENT_SRC := $(shell ls examples/client/*.c 2>/dev/null)
+EXAMPLES_SERVER_SRC := $(shell ls examples/server/*.c 2>/dev/null)
+EXAMPLES_ENGINE_SRC := $(shell ls examples/engine/*.c 2>/dev/null)
+
+EXAMPLES_CLIENT := $(patsubst %.c,%$(EXT),$(EXAMPLES_CLIENT_SRC))
+EXAMPLES_SERVER := $(patsubst %.c,%$(EXT),$(EXAMPLES_SERVER_SRC))
+EXAMPLES_ENGINE := $(patsubst %.c,%$(EXT),$(EXAMPLES_ENGINE_SRC))
 
 all: chttp.c chttp.h examples
 
@@ -17,15 +28,15 @@ chttp.c chttp.h: $(HFILES) $(CFILES)
 
 examples: $(EXAMPLES_CLIENT) $(EXAMPLES_SERVER) $(EXAMPLES_ENGINE)
 
-examples/client/%: examples/client/%.c chttp.c chttp.h
+examples/client/%$(EXT): examples/client/%.c chttp.c chttp.h
 	$(CC) $(CFLAGS) $< chttp.c -o $@ $(LFLAGS)
 
-examples/server/%: examples/server/%.c chttp.c chttp.h
+examples/server/%$(EXT): examples/server/%.c chttp.c chttp.h
 	$(CC) $(CFLAGS) $< chttp.c -o $@ $(LFLAGS)
 
-examples/engine/%: examples/engine/%.c chttp.c chttp.h
+examples/engine/%$(EXT): examples/engine/%.c chttp.c chttp.h
 	$(CC) $(CFLAGS) $< chttp.c -o $@ $(LFLAGS)
 
 clean:
 	rm -f client_example server_example
-	rm -f examples/client/* examples/server/* examples/engine/*
+	rm -f examples/client/*$(EXT) examples/server/*$(EXT) examples/engine/*$(EXT)