vlmcsd: fixes build with gcc 13

Fixes: https://github.com/coolsnowwolf/lede/issues/13187

net/vlmcsd/Makefile

@@ -2,14 +2,12 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=vlmcsd
 PKG_VERSION:=svn1113
-PKG_RELEASE:=3
+PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/Wind4/vlmcsd/tar.gz/$(PKG_VERSION)?
 PKG_HASH:=62f55c48f5de1249c2348ab6b96dabbe7e38899230954b0c8774efb01d9c42cc
 
-PKG_LICENSE:=MIT
-PKG_LICENSE_FILES:=LICENSE
 PKG_MAINTAINER:=fuyumi <280604399@qq.com>
 
 PKG_BUILD_PARALLEL:=1
@@ -20,7 +18,6 @@ define Package/vlmcsd
   SECTION:=net
   CATEGORY:=Network
   TITLE:=vlmcsd for OpenWRT
-  URL:=http://forums.mydigitallife.info/threads/50234
   DEPENDS:=+libpthread
 endef
 
@@ -28,8 +25,10 @@ define Package/vlmcsd/description
   vlmcsd is a KMS Emulator in C.
 endef
 
-MAKE_FLAGS += \
-	-C $(PKG_BUILD_DIR)
+define Build/Prepare
+	$(call Build/Prepare/Default)
+	rm $(PKG_BUILD_DIR)/GNUmakefile
+endef
 
 define Package/vlmcsd/install
 	$(INSTALL_DIR) $(1)/usr/bin

net/vlmcsd/src/Makefile

@@ -0,0 +1,35 @@
+SRCDIR := src
+BINDIR := bin
+OBJDIR := build
+
+TARGETS := $(BINDIR)/vlmcs $(BINDIR)/vlmcsd
+
+.PHONY: all
+all: $(BINDIR) $(TARGETS)
+
+$(BINDIR)/vlmcs: $(OBJDIR)/vlmcs.o $(OBJDIR)/kmsdata-full.o $(OBJDIR)/crypto.o \
+                 $(OBJDIR)/kms.o $(OBJDIR)/endian.o $(OBJDIR)/output.o \
+                 $(OBJDIR)/shared_globals.o $(OBJDIR)/helpers.o \
+                 $(OBJDIR)/network.o $(OBJDIR)/rpc.o \
+                 $(OBJDIR)/crypto_internal.o $(OBJDIR)/dns_srv.o
+	$(CC) $(LDFLAGS) -o $@ $^
+
+$(BINDIR)/vlmcsd: $(OBJDIR)/vlmcsd.o $(OBJDIR)/kmsdata.o $(OBJDIR)/crypto.o \
+                  $(OBJDIR)/kms.o $(OBJDIR)/endian.o $(OBJDIR)/output.o \
+                  $(OBJDIR)/shared_globals.o $(OBJDIR)/helpers.o \
+                  $(OBJDIR)/network.o $(OBJDIR)/rpc.o \
+                  $(OBJDIR)/crypto_internal.o
+	$(CC) $(LDFLAGS) -o $@ $^
+
+$(OBJDIR)/%.o: $(SRCDIR)/%.c | $(OBJDIR)
+	$(CC) $(CFLAGS) -c $< -o $@
+
+$(OBJDIR):
+	@mkdir -p $(OBJDIR)
+
+$(BINDIR):
+	@mkdir -p $(BINDIR)
+
+.PHONY: clean
+clean:
+	@rm -rf $(OBJDIR) $(BINDIR)