msst-s3/Makefile.kconfig at main · linux-kdevops/msst-s3 · GitHub

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# SPDX-License-Identifier: MIT
# Kconfig integration using Python kconfiglib

# Configuration files
KCONFIG := Kconfig
CONFIG_FILE := .config
CONFIG_OLD := .config.old
DEFCONFIG_DIR := defconfigs

# Python-based Kconfig tools
PYCONF := python3 scripts/pyconf.py
PYMENUCONFIG := python3 scripts/pymenuconfig.py

# Export for sub-makefiles
export KCONFIG_CONFIG := $(CONFIG_FILE)

# Include the config file if it exists
-include $(CONFIG_FILE)

# Kconfig targets
.PHONY: menuconfig nconfig config oldconfig defconfig savedefconfig

menuconfig:
	@$(PYMENUCONFIG) $(KCONFIG)

nconfig:
	@$(PYMENUCONFIG) $(KCONFIG)

config:
	@echo "Interactive config not implemented. Use menuconfig instead."
	@exit 1

oldconfig:
	@$(PYCONF) $(KCONFIG) --oldconfig --config=$(CONFIG_FILE)

# Load a defconfig
defconfig:
	@if [ -z "$(DEFCONFIG)" ]; then \
		echo "Usage: make defconfig DEFCONFIG=<config_name>"; \
		echo "Use 'make list-defconfigs' to see available configurations"; \
		exit 1; \
	fi
	@if [ -f "$(DEFCONFIG_DIR)/$(DEFCONFIG)" ]; then \
		echo "Loading defconfig: $(DEFCONFIG)"; \
		cp "$(DEFCONFIG_DIR)/$(DEFCONFIG)" $(CONFIG_FILE); \
		$(PYCONF) $(KCONFIG) --olddefconfig --config=$(CONFIG_FILE); \
	else \
		echo "Error: Configuration '$(DEFCONFIG)' not found"; \
		echo "Use 'make list-defconfigs' to see available configurations"; \
		exit 1; \
	fi

# Save current config as defconfig
savedefconfig:
	@if [ -z "$(DEFCONFIG)" ]; then \
		echo "Usage: make savedefconfig DEFCONFIG=<config_name>"; \
		exit 1; \
	fi
	@echo "Saving defconfig to: $(DEFCONFIG_DIR)/$(DEFCONFIG)"
	@mkdir -p $(DEFCONFIG_DIR)
	@$(PYCONF) $(KCONFIG) --savedefconfig=$(DEFCONFIG_DIR)/$(DEFCONFIG) --config=$(CONFIG_FILE)

# List available defconfigs
list-defconfigs:
	@echo "Available defconfigs:"
	@if [ -d "$(DEFCONFIG_DIR)" ]; then ls -1 $(DEFCONFIG_DIR)/ | sed 's/^/  /'; fi

# Generate defconfig-* targets for tab completion
DEFCONFIGS := $(notdir $(wildcard $(DEFCONFIG_DIR)/*))
define defconfig_rule
defconfig-$(1):
	@$(MAKE) defconfig DEFCONFIG=$(1)
endef
$(foreach config,$(DEFCONFIGS),$(eval $(call defconfig_rule,$(config))))

# Special config targets
allyesconfig:
	@echo "Enabling all features..."
	@$(PYCONF) $(KCONFIG) --olddefconfig --config=$(CONFIG_FILE)

allnoconfig:
	@echo "Disabling all optional features..."
	@echo "# Minimal configuration" > $(CONFIG_FILE)
	@$(PYCONF) $(KCONFIG) --olddefconfig --config=$(CONFIG_FILE)

# Clean config files
clean-config:
	@rm -f $(CONFIG_FILE) $(CONFIG_OLD) .config.cmd

# Help for Kconfig targets
kconfig-help:
	@echo "Kconfig targets (Python-based):"
	@echo "  menuconfig       - Update configuration using ncurses menu (kconfiglib)"
	@echo "  nconfig          - Same as menuconfig"
	@echo "  oldconfig        - Update configuration using defaults for new options"
	@echo "  defconfig        - Load a defconfig (DEFCONFIG=<name>)"
	@echo "  savedefconfig    - Save current config as defconfig (DEFCONFIG=<name>)"
	@echo "  list-defconfigs  - List available defconfig files"
	@echo "  clean-config     - Remove configuration files"
	@echo ""
	@echo "Examples:"
	@echo "  make defconfig-minio      # Load minio defconfig"
	@echo "  make menuconfig           # Interactive configuration"
	@echo "  make savedefconfig DEFCONFIG=my-config  # Save current config"

# Ensure config exists before building
check-config:
	@if [ ! -f "$(CONFIG_FILE)" ]; then \
		echo "Error: No configuration found!"; \
		echo "Run 'make menuconfig' or 'make defconfig DEFCONFIG=<name>' first"; \
		echo ""; \
		$(MAKE) list-defconfigs; \
		exit 1; \
	fi