diff --git a/make/iigs.mk b/make/iigs.mk
index 7d1fe29..8579d85 100644
--- a/make/iigs.mk
+++ b/make/iigs.mk
@@ -22,9 +22,14 @@ BINDIR   := $(BUILD)/bin
 OBJDIR   := $(BUILD)/obj
 
 CLANG    := $(LLVM816_ROOT)/tools/llvm-mos-build/bin/clang
+LLVM_MC  := $(LLVM816_ROOT)/tools/llvm-mos-build/bin/llvm-mc
+AR       := $(LLVM816_ROOT)/tools/llvm-mos-sdk/bin/llvm-ar
+CCWRAP   := $(LLVM816_ROOT)/scripts/ccRegallocFallback.sh
 RT_INC   := $(LLVM816_ROOT)/runtime/include
 CFLAGS   := --target=w65816 -O2 -ffreestanding -ffunction-sections
 INCLUDES := -I$(RT_INC) -I$(INCLUDE_DIR) -I$(INCLUDE_DIR)/joey -I$(SRC_CORE) -I$(REPO_DIR)/src/codegen
+LIBDIR   := $(BUILD)/lib
+LIB      := $(LIBDIR)/libjoey.a
 
 PORT_C_SRCS   := $(wildcard $(SRC_DIR)/iigs/*.c)
 # Hand-rolled asm, migrated to llvm-mc GAS .s.
@@ -42,6 +47,11 @@ CODEGEN_SRCS := $(REPO_DIR)/src/codegen/spriteCompile.c $(REPO_DIR)/src/codegen/
 LIB_C_SRCS := $(CORE_C_SRCS_IIGS) $(GENERIC_C_SRCS) $(PORT_C_SRCS) $(CODEGEN_SRCS)
 LIB_SRCS   := $(LIB_C_SRCS) $(PORT_ASM_SRCS)
 
+# Library header set for archive rebuild triggering (coarse on purpose: any
+# header change forces a full lib recompile -- a needless rebuild is safe, a
+# missed one is not).
+IIGS_LIB_HDRS := $(wildcard $(INCLUDE_DIR)/joey/*.h) $(wildcard $(SRC_CORE)/*.h) $(wildcard $(REPO_DIR)/src/codegen/*.h) $(wildcard $(SRC_DIR)/iigs/*.h) $(wildcard $(REPO_DIR)/src/m68k/*.h)
+
 # Example sources (single-TU unless noted).
 PATTERN_SRC := $(EXAMPLES)/pattern/pattern.c
 DRAW_SRC    := $(EXAMPLES)/draw/draw.c
@@ -135,17 +145,31 @@ $(NTP_ASM): $(NTP_BIN) $(REPO_DIR)/toolchains/iigs/bin-to-s.sh
 # Compile-check every library and example translation unit with clang,
 # and assemble every .s with llvm-mc. This is the canonical "does the
 # IIgs source still build" gate while the launchable pipeline is wired.
-iigs-lib:
-	@mkdir -p $(OBJDIR)
-	@set -e; \
+# The real static library: compile every library TU (through the regalloc
+# fallback, matching clang-build.sh) + assemble every .s, then archive them
+# into libjoey.a. link816 reads the archive natively and --gc-sections selects
+# what each example references, so examples link $(LIB) exactly like the other
+# ports. `iigs-lib' is kept as the canonical build/compile-check entry point.
+$(LIB): $(LIB_SRCS) $(IIGS_LIB_HDRS)
+	@mkdir -p $(OBJDIR) $(LIBDIR)
+	@set -e; objs=""; \
 	for c in $(LIB_C_SRCS); do \
+	    o=$(OBJDIR)/$$(echo $$c | sed 's#[/.]#_#g').o; \
 	    echo "  CC  $$c"; \
-	    $(CLANG) $(CFLAGS) $(INCLUDES) -c $$c -o $(OBJDIR)/$$(echo $$c | sed 's#[/.]#_#g').o; \
+	    $(CCWRAP) $(CLANG) $(CFLAGS) $(INCLUDES) -c $$c -o $$o; \
+	    objs="$$objs $$o"; \
 	done; \
 	for s in $(PORT_ASM_SRCS); do \
+	    o=$(OBJDIR)/$$(basename $$s .s).o; \
 	    echo "  AS  $$s"; \
-	    $(LLVM816_ROOT)/tools/llvm-mos-build/bin/llvm-mc -arch=w65816 -filetype=obj $$s -o $(OBJDIR)/$$(basename $$s .s).o; \
-	done
+	    $(LLVM_MC) -arch=w65816 -filetype=obj $$s -o $$o; \
+	    objs="$$objs $$o"; \
+	done; \
+	rm -f $@; \
+	echo "  AR  $@"; \
+	$(AR) rcs $@ $$objs
+
+iigs-lib: $(LIB)
 
 # End-to-end smoke test: clang -> llvm-mc -> link816 -> MAME, validating
 # the ported asm computes correctly on emulated hardware.
@@ -158,62 +182,62 @@ iigs-clang-smoke:
 # multi-segment OMF wiring still in progress.
 DEP_DIR := $(BUILD)/dep
 
-$(BINDIR)/PATTERN: $(PATTERN_SRC) $(LIB_SRCS) $(IIGS_CLANG_BUILD)
+$(BINDIR)/PATTERN: $(PATTERN_SRC) $(LIB) $(IIGS_CLANG_BUILD)
 	@mkdir -p $(dir $@) $(DEP_DIR)
-	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/PATTERN.d $(INCLUDES) -o $@ $(PATTERN_SRC) $(LIB_SRCS)
+	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/PATTERN.d $(INCLUDES) -o $@ $(PATTERN_SRC) $(LIB)
 
-$(BINDIR)/DRAW: $(DRAW_SRC) $(LIB_SRCS) $(IIGS_CLANG_BUILD)
+$(BINDIR)/DRAW: $(DRAW_SRC) $(LIB) $(IIGS_CLANG_BUILD)
 	@mkdir -p $(dir $@) $(DEP_DIR)
-	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/DRAW.d $(INCLUDES) -o $@ $(DRAW_SRC) $(LIB_SRCS)
+	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/DRAW.d $(INCLUDES) -o $@ $(DRAW_SRC) $(LIB)
 
-$(BINDIR)/KEYS: $(KEYS_SRC) $(LIB_SRCS) $(IIGS_CLANG_BUILD)
+$(BINDIR)/KEYS: $(KEYS_SRC) $(LIB) $(IIGS_CLANG_BUILD)
 	@mkdir -p $(dir $@) $(DEP_DIR)
-	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/KEYS.d $(INCLUDES) -o $@ $(KEYS_SRC) $(LIB_SRCS)
+	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/KEYS.d $(INCLUDES) -o $@ $(KEYS_SRC) $(LIB)
 
-$(BINDIR)/SERIAL: $(SERIAL_SRC) $(LIB_SRCS) $(IIGS_CLANG_BUILD)
+$(BINDIR)/SERIAL: $(SERIAL_SRC) $(LIB) $(IIGS_CLANG_BUILD)
 	@mkdir -p $(dir $@) $(DEP_DIR)
-	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/SERIAL.d $(INCLUDES) -o $@ $(SERIAL_SRC) $(LIB_SRCS)
+	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/SERIAL.d $(INCLUDES) -o $@ $(SERIAL_SRC) $(LIB)
 
-$(BINDIR)/SAVE: $(SAVE_SRC) $(LIB_SRCS) $(IIGS_CLANG_BUILD)
+$(BINDIR)/SAVE: $(SAVE_SRC) $(LIB) $(IIGS_CLANG_BUILD)
 	@mkdir -p $(dir $@) $(DEP_DIR)
-	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/SAVE.d $(INCLUDES) -o $@ $(SAVE_SRC) $(LIB_SRCS)
+	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/SAVE.d $(INCLUDES) -o $@ $(SAVE_SRC) $(LIB)
 
-$(BINDIR)/JOY: $(JOY_SRC) $(LIB_SRCS) $(IIGS_CLANG_BUILD)
+$(BINDIR)/JOY: $(JOY_SRC) $(LIB) $(IIGS_CLANG_BUILD)
 	@mkdir -p $(dir $@) $(DEP_DIR)
-	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/JOY.d $(INCLUDES) -o $@ $(JOY_SRC) $(LIB_SRCS)
+	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/JOY.d $(INCLUDES) -o $@ $(JOY_SRC) $(LIB)
 
-$(BINDIR)/SPRITE: $(SPRITE_SRC) $(LIB_SRCS) $(IIGS_CLANG_BUILD)
+$(BINDIR)/SPRITE: $(SPRITE_SRC) $(LIB) $(IIGS_CLANG_BUILD)
 	@mkdir -p $(dir $@) $(DEP_DIR)
-	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/SPRITE.d $(INCLUDES) -o $@ $(SPRITE_SRC) $(LIB_SRCS)
+	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/SPRITE.d $(INCLUDES) -o $@ $(SPRITE_SRC) $(LIB)
 
-$(BINDIR)/UBER: $(UBER_SRC) $(LIB_SRCS) $(IIGS_CLANG_BUILD)
+$(BINDIR)/UBER: $(UBER_SRC) $(LIB) $(IIGS_CLANG_BUILD)
 	@mkdir -p $(dir $@) $(DEP_DIR)
-	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/UBER.d $(INCLUDES) -o $@ $(UBER_SRC) $(LIB_SRCS)
+	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/UBER.d $(INCLUDES) -o $@ $(UBER_SRC) $(LIB)
 
-$(BINDIR)/ADV: $(ADV_SRC) $(LIB_SRCS) $(IIGS_CLANG_BUILD)
+$(BINDIR)/ADV: $(ADV_SRC) $(LIB) $(IIGS_CLANG_BUILD)
 	@mkdir -p $(dir $@) $(DEP_DIR)
-	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/ADV.d $(INCLUDES) -o $@ $(ADV_SRC) $(LIB_SRCS)
+	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/ADV.d $(INCLUDES) -o $@ $(ADV_SRC) $(LIB)
 
-$(BINDIR)/ADV2: $(ADV2_SRC) $(LIB_SRCS) $(IIGS_CLANG_BUILD)
+$(BINDIR)/ADV2: $(ADV2_SRC) $(LIB) $(IIGS_CLANG_BUILD)
 	@mkdir -p $(dir $@) $(DEP_DIR)
-	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/ADV2.d $(INCLUDES) -o $@ $(ADV2_SRC) $(LIB_SRCS)
+	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/ADV2.d $(INCLUDES) -o $@ $(ADV2_SRC) $(LIB)
 
-$(BINDIR)/AGI: $(AGI_SRCS) $(LIB_SRCS) $(IIGS_CLANG_BUILD)
+$(BINDIR)/AGI: $(AGI_SRCS) $(LIB) $(IIGS_CLANG_BUILD)
 	@mkdir -p $(dir $@) $(DEP_DIR)
-	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/AGI.d $(INCLUDES) -I$(EXAMPLES)/agi -o $@ $(AGI_SRCS) $(LIB_SRCS)
+	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/AGI.d $(INCLUDES) -I$(EXAMPLES)/agi -o $@ $(AGI_SRCS) $(LIB)
 
-$(BINDIR)/STAXI: $(STAXI_SRCS) $(LIB_SRCS) $(IIGS_CLANG_BUILD)
+$(BINDIR)/STAXI: $(STAXI_SRCS) $(LIB) $(IIGS_CLANG_BUILD)
 	@mkdir -p $(dir $@) $(DEP_DIR)
-	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/STAXI.d $(INCLUDES) -I$(EXAMPLES)/spacetaxi -o $@ $(STAXI_SRCS) $(LIB_SRCS)
+	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/STAXI.d $(INCLUDES) -I$(EXAMPLES)/spacetaxi -o $@ $(STAXI_SRCS) $(LIB)
 
 # AUDIO loads the NTP replayer from disk at runtime: audio_full.c reads
 # ntpplayer.bin via NTP_PATH instead of baking the 34KB replayer as rodata
 # (which overflowed bank 0, and clang's IMM16+$BE near form can't reach a far
 # rodata segment anyway). The binary no longer links $(NTP_ASM); $(NTP_BIN) is
 # still built so it can be shipped on the application disk next to the binary.
-$(BINDIR)/AUDIO: $(AUDIO_SRC) $(LIB_SRCS) $(NTP_BIN) $(IIGS_CLANG_BUILD)
+$(BINDIR)/AUDIO: $(AUDIO_SRC) $(LIB) $(NTP_BIN) $(IIGS_CLANG_BUILD)
 	@mkdir -p $(dir $@) $(DEP_DIR)
-	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/AUDIO.d $(INCLUDES) -o $@ $(AUDIO_SRC) $(LIB_SRCS)
+	$(IIGS_CLANG_BUILD) -M $(DEP_DIR)/AUDIO.d $(INCLUDES) -o $@ $(AUDIO_SRC) $(LIB)
 
 clean-iigs:
 	rm -rf $(BUILD)