Move LTO flag stripping into the Lua module Makefile

Signed-off-by: Hanxi Zhang <hanxizh@amazon.com>

Author: hanxizh9910

src/Makefile

@@ -734,14 +734,9 @@ $(TLS_MODULE_NAME): $(SERVER_NAME)
 $(RDMA_MODULE_NAME): $(SERVER_NAME)
 	$(QUIET_CC)$(CC) $(LDFLAGS) -o $@ rdma.c -shared -fPIC $(RDMA_MODULE_CFLAGS)
 
-# Strip LTO flags from OPTIMIZATION for the static Lua module build.
-# When archiving into a .a, LTO bitcode objects cause linker failures
-# if the system's LLVM gold plugin version doesn't match clang's version.
-LUA_MODULE_OPTIMIZATION=$(subst -flto,,$(subst -ffat-lto-objects,,$(subst -flto=auto,,$(OPTIMIZATION))))
-
 # engine_lua.so
 $(LUA_MODULE_NAME): .make-prerequisites
-	$(MAKE) -C modules/lua OPTIMIZATION="$(LUA_MODULE_OPTIMIZATION)" BUILD_LUA="$(BUILD_LUA)"
+	$(MAKE) -C modules/lua OPTIMIZATION="$(OPTIMIZATION)" BUILD_LUA="$(BUILD_LUA)"
 
 # valkey-cli
 $(ENGINE_CLI_NAME): $(ENGINE_CLI_OBJ)

src/modules/lua/Makefile

@@ -9,6 +9,10 @@ ifeq ($(BUILD_LUA),module)
 else
 	STATIC_LUA_FLAG=-DSTATIC_LUA=1
 	LUA_TARGET=libvalkeylua.a
+	# Strip LTO flags for the static build. When archiving into a .a,
+	# LTO bitcode objects cause linker failures if the system linker
+	# cannot read them.
+	OPTIMIZATION:=$(subst -flto,,$(subst -ffat-lto-objects,,$(subst -flto=auto,,$(OPTIMIZATION))))
 endif
 
 ifeq ($(uname_S),Darwin)