Build and run tests on Windows via Clang/Makefile

Makefile

@@ -1,7 +1,19 @@
+# By default we use LTO, but Windows does not support it
+ifneq ($(WITH_LTO),0)
+	override CXXFLAGS += -flto
+endif
+
+# By default we use zlib but you can build without it (disables permessage-deflate)
+ifneq ($(WITH_ZLIB),0)
+	override LDFLAGS += -lz
+else
+	override CXXFLAGS += -DUWS_NO_ZLIB
+endif
+
 EXAMPLE_FILES := Http3Server Broadcast HelloWorld Crc32 ServerName EchoServer BroadcastingEchoServer UpgradeSync UpgradeAsync
 THREADED_EXAMPLE_FILES := HelloWorldThreaded EchoServerThreaded
-override CXXFLAGS += -lpthread -Wpedantic -Wall -Wextra -Wsign-conversion -Wconversion -std=c++2a -Isrc -IuSockets/src
-override LDFLAGS += uSockets/*.o -lz
+override CXXFLAGS += -Wpedantic -Wall -Wextra -Wsign-conversion -Wconversion -std=c++2a -Isrc -IuSockets/src
+override LDFLAGS += uSockets/*.o
 
 DESTDIR ?=
 prefix ?= /usr/local
@@ -60,14 +72,14 @@ endif
 .PHONY: examples
 examples:
 	$(MAKE) -C uSockets; \
-	for FILE in $(EXAMPLE_FILES); do $(CXX) -flto -O3 $(CXXFLAGS) examples/$$FILE.cpp -o $$FILE $(LDFLAGS) & done; \
-	for FILE in $(THREADED_EXAMPLE_FILES); do $(CXX) -pthread -flto -O3 $(CXXFLAGS) examples/$$FILE.cpp -o $$FILE $(LDFLAGS) & done; \
+	for FILE in $(EXAMPLE_FILES); do $(CXX) -O3 $(CXXFLAGS) examples/$$FILE.cpp -o $$FILE$(EXEC_SUFFIX) $(LDFLAGS) & done; \
+	for FILE in $(THREADED_EXAMPLE_FILES); do $(CXX) -pthread -O3 $(CXXFLAGS) examples/$$FILE.cpp -o $$FILE$(EXEC_SUFFIX) $(LDFLAGS) & done; \
 	wait
 
 .PHONY: capi
 capi:
 	$(MAKE) -C uSockets
-	$(CXX) -shared -fPIC -flto -O3 $(CXXFLAGS) capi/App.cpp -o capi.so $(LDFLAGS)
+	$(CXX) -shared -fPIC -O3 $(CXXFLAGS) capi/App.cpp -o capi.so $(LDFLAGS)
 	$(CXX) capi/example.c -O3 capi.so -o example
 
 install: