Fix QuicTLS & HAProxy linking, run regtests in CI

deps/vtest/Makefile

@@ -0,0 +1,29 @@
+VTEST_VERSION = master
+VTEST_SOURCES = https://codeload.github.com/vtest/vtest/tar.gz/master
+VTEST_TARBALL = VTEST-$(VTEST_VERSION).tar.gz
+VTEST_BUILDIR = src
+VTEST_DESTDIR = dist
+
+all: build $(VTEST_DESTDIR) $(VTEST_DESTDIR)
+
+$(VTEST_TARBALL):
+	curl -sfS -o "$(VTEST_TARBALL)" "$(VTEST_SOURCES)"
+
+$(VTEST_BUILDIR): $(VTEST_TARBALL)
+	@if ! [ -d "$(VTEST_BUILDIR)" ]; then mkdir -v "$(VTEST_BUILDIR)"; fi
+	tar -C $(VTEST_BUILDIR) --strip-components=1 -xf "$(VTEST_TARBALL)"
+
+build: $(VTEST_BUILDIR)
+	$(MAKE) -C "$(VTEST_BUILDIR)" -j "$(shell nproc)"
+
+$(VTEST_DESTDIR): build
+	if ! [ -d "$(VTEST_DESTDIR)" ]; then mkdir -v "$(VTEST_DESTDIR)"; fi
+	cp -fv "$(VTEST_BUILDIR)/vtest" "$(VTEST_DESTDIR)/vtest"
+	chmod -v +x "$(VTEST_DESTDIR)/vtest"
+
+clean:
+	rm -fv "$(VTEST_TARBALL)"
+	rm -rf "$(VTEST_BUILDIR)"
+	rm -rf "$(VTEST_DESTDIR)"
+
+.PHONY: clean build