From 0da44473b32eb703cbd66f8ca4628cb5690ca85f Mon Sep 17 00:00:00 2001
From: Faidon Liambotis <paravoid@debian.org>
Date: Mon, 13 Mar 2023 15:27:40 +0000
Subject: [PATCH] flasher_stub: create %.json targets, make all a proper PHONY

---
 flasher_stub/Makefile | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/flasher_stub/Makefile b/flasher_stub/Makefile
index 2faf37162..41eae4558 100644
--- a/flasher_stub/Makefile
+++ b/flasher_stub/Makefile
@@ -93,13 +93,21 @@ endif
 
 .PHONY: all clean embed
 
-all: $(STUBS_ELF)
-	@echo "  WRAP $^ -> $(BUILD_DIR)"
-	$(Q) $(WRAP_STUB) $^
+all: $(STUBS_ELF:.elf=.json)
+
+embed: $(patsubst $(BUILD_DIR)/%.elf,$(ESPTOOL_STUBS_DIR)/%.json,$(STUBS_ELF))
 
 $(BUILD_DIR):
 	$(Q) mkdir $@
 
+$(BUILD_DIR)/%.json: $(BUILD_DIR)/%.elf
+	@echo "  WRAP $^ -> $(BUILD_DIR)"
+	$(Q) $(WRAP_STUB) $^
+
+$(ESPTOOL_STUBS_DIR)/%.json: $(BUILD_DIR)/%.elf
+	@echo "  WRAP $^ -> $(ESPTOOL_STUBS_DIR)"
+	$(Q) $(WRAP_STUB) --embed $^
+
 CFLAGS = -std=c99 -Wall -Werror -Os \
          -mtext-section-literals -mlongcalls -nostdlib -fno-builtin -flto \
          -Wl,-static -g -ffunction-sections -Wl,--gc-sections -Iinclude -Lld
@@ -157,9 +165,5 @@ $(STUB_ELF_32H2): $(SRCS) $(BUILD_DIR) ld/stub_32h2.ld
 	@echo "  CC(32H2)   $^ -> $@"
 	$(Q) $(CROSS_ESPRISCV32)gcc $(CFLAGS_ESPRISCV32) -DESP32H2=1 -Tstub_32h2.ld -Wl,-Map=$(@:.elf=.map) -o $@ $(filter %.c, $^) $(LDLIBS)
 
-embed: $(STUBS_ELF)
-	@echo "  WRAP $^ -> $(ESPTOOL_STUBS_DIR)"
-	$(Q) $(WRAP_STUB) --embed $^
-
 clean:
 	$(Q) rm -rf $(BUILD_DIR)