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-rw-r--r--kconfig/kconfig.mk160
1 files changed, 100 insertions, 60 deletions
diff --git a/kconfig/kconfig.mk b/kconfig/kconfig.mk
index 7b6fa13..0c8b54d 100644
--- a/kconfig/kconfig.mk
+++ b/kconfig/kconfig.mk
@@ -5,8 +5,11 @@
# Derive the project version from, well, the project version:
export PROJECTVERSION=$(CT_VERSION)
+#-----------------------------------------------------------
+# Some static /configuration/
+
KCONFIG_TOP = config/config.in
-obj = $(CT_TOP_DIR)/kconfig
+obj = kconfig
PHONY += clean help oldconfig menuconfig defoldconfig
# Darwin (MacOS-X) does not have proper libintl support
@@ -18,39 +21,65 @@ ifneq ($(KBUILD_NO_NLS),)
CFLAGS += -DKBUILD_NO_NLS
endif
-# Build a list of all config files
-ARCH_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/arch/*.in)
-KERNEL_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/kernel/*.in)
-CC_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/cc/*.in)
-LIBC_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/libc/*.in)
-DEBUG_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/debug/*.in)
-TOOL_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/tools/*.in)
-
-STATIC_CONFIG_FILES = $(shell find $(CT_LIB_DIR)/config -type f -name '*.in')
-GEN_CONFIG_FILES=$(CT_TOP_DIR)/config.gen/arch.in \
- $(CT_TOP_DIR)/config.gen/kernel.in \
- $(CT_TOP_DIR)/config.gen/cc.in \
- $(CT_TOP_DIR)/config.gen/libc.in \
- $(CT_TOP_DIR)/config.gen/tools.in \
- $(CT_TOP_DIR)/config.gen/debug.in
-
-CONFIG_FILES=$(STATIC_CONFIG_FILES) $(GEN_CONFIG_FILES)
-
-# Build list of items
-ARCHS = $(patsubst $(CT_LIB_DIR)/config/arch/%.in,%,$(ARCH_CONFIG_FILES))
-KERNELS = $(patsubst $(CT_LIB_DIR)/config/kernel/%.in,%,$(KERNEL_CONFIG_FILES))
-CCS = $(patsubst $(CT_LIB_DIR)/config/cc/%.in,%,$(CC_CONFIG_FILES))
-LIBCS = $(patsubst $(CT_LIB_DIR)/config/libc/%.in,%,$(LIBC_CONFIG_FILES))
-DEBUGS = $(patsubst $(CT_LIB_DIR)/config/debug/%.in,%,$(DEBUG_CONFIG_FILES))
-TOOLS = $(patsubst $(CT_LIB_DIR)/config/tools/%.in,%,$(TOOL_CONFIG_FILES))
-
-$(GEN_CONFIG_FILES): $(CT_TOP_DIR)/config.gen \
+#-----------------------------------------------------------
+# List all config files, source and generated
+
+# Build the list of all source config files
+STATIC_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(shell find $(CT_LIB_DIR)/config -type f -name '*.in' 2>/dev/null))
+# ... and how to access them:
+$(STATIC_CONFIG_FILES): config
+
+# Build a list of per-component-type source config files
+ARCH_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/arch/*.in))
+KERNEL_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/kernel/*.in))
+CC_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/cc/*.in))
+LIBC_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/libc/*.in))
+DEBUG_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/debug/*.in))
+TOOL_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/tools/*.in))
+
+# Build the list of generated config files
+GEN_CONFIG_FILES = config.gen/arch.in \
+ config.gen/kernel.in \
+ config.gen/cc.in \
+ config.gen/libc.in \
+ config.gen/tools.in \
+ config.gen/debug.in
+# ... and how to access them:
+# Generated files depends on kconfig.mk (this file) because it has the
+# functions needed to build the genrated files, and thus they might
+# need re-generation if kconfig.mk changes
+$(GEN_CONFIG_FILES): config.gen \
$(CT_LIB_DIR)/kconfig/kconfig.mk
-$(CT_TOP_DIR)/config.gen: $(KCONFIG_TOP)
- @mkdir -p $(CT_TOP_DIR)/config.gen
+# KCONFIG_TOP should already be in STATIC_CONFIG_FILES, anyway...
+CONFIG_FILES = $(sort $(KCONFIG_TOP) $(STATIC_CONFIG_FILES) $(GEN_CONFIG_FILES))
+
+# Where to access to the source config files from
+config:
+ @echo " LN config"
+ @ln -s $(CT_LIB_DIR)/config config
+
+# Where to store the generated config files into
+config.gen:
+ @echo " MKDIR config.gen"
+ @mkdir -p config.gen
+
+#-----------------------------------------------------------
+# Build list of per-component-type items to easily build generated files
-# Function build_gen_choice_in:
+ARCHS = $(patsubst config/arch/%.in,%,$(ARCH_CONFIG_FILES))
+KERNELS = $(patsubst config/kernel/%.in,%,$(KERNEL_CONFIG_FILES))
+CCS = $(patsubst config/cc/%.in,%,$(CC_CONFIG_FILES))
+LIBCS = $(patsubst config/libc/%.in,%,$(LIBC_CONFIG_FILES))
+DEBUGS = $(patsubst config/debug/%.in,%,$(DEBUG_CONFIG_FILES))
+TOOLS = $(patsubst config/tools/%.in,%,$(TOOL_CONFIG_FILES))
+
+#-----------------------------------------------------------
+# Helper functions to ease building generated config files
+
+# The function 'build_gen_choice_in' builds a choice-menu of a list of
+# components in the given list, also adding source-ing of associazted
+# config files:
# $1 : destination file
# $2 : name for the entries family (eg. Architecture, kernel...)
# $3 : prefix for the choice entries (eg. ARCH, KERNEL...)
@@ -60,7 +89,7 @@ $(CT_TOP_DIR)/config.gen: $(KCONFIG_TOP)
# Example to build the kernels generated config file:
# $(call build_gen_choice_in,config.gen/kernel.in,Target OS,KERNEL,config/kernel,$(KERNELS))
define build_gen_choice_in
- @echo ' IN $(1)'
+ @echo ' IN $(1)'
@(echo "# $(2) menu"; \
echo "# Generated file, do not edit!!!"; \
echo ""; \
@@ -96,19 +125,8 @@ define build_gen_choice_in
) >$(1)
endef
-$(CT_TOP_DIR)/config.gen/arch.in: $(ARCH_CONFIG_FILES)
- $(call build_gen_choice_in,$(patsubst $(CT_TOP_DIR)/%,%,$@),Target Architecture,ARCH,config/arch,$(ARCHS))
-
-$(CT_TOP_DIR)/config.gen/kernel.in: $(KERNEL_CONFIG_FILES)
- $(call build_gen_choice_in,$(patsubst $(CT_TOP_DIR)/%,%,$@),Target OS,KERNEL,config/kernel,$(KERNELS))
-
-$(CT_TOP_DIR)/config.gen/cc.in: $(CC_CONFIG_FILES)
- $(call build_gen_choice_in,$(patsubst $(CT_TOP_DIR)/%,%,$@),C compiler,CC,config/cc,$(CCS))
-
-$(CT_TOP_DIR)/config.gen/libc.in: $(LIBC_CONFIG_FILES)
- $(call build_gen_choice_in,$(patsubst $(CT_TOP_DIR)/%,%,$@),C library,LIBC,config/libc,$(LIBCS))
-
-# Function build_gen_menu_in:
+# The function 'build_gen_menu_in' builds a menuconfig for each component in
+# the given list, source-ing the associated files conditionnaly:
# $1 : destination file
# $2 : name of entries family (eg. Tools, Debug...)
# $3 : prefix for the menu entries (eg. TOOL, DEBUG)
@@ -118,7 +136,7 @@ $(CT_TOP_DIR)/config.gen/libc.in: $(LIBC_CONFIG_FILES)
# Example to build the tools generated config file:
# $(call build_gen_menu_in,config.gen/tools.in,Tools,TOOL,config/tools,$(TOOLS))
define build_gen_menu_in
- @echo ' IN $(1)'
+ @echo ' IN $(1)'
@(echo "# $(2) facilities menu"; \
echo "# Generated file, do not edit!!!"; \
echo ""; \
@@ -142,16 +160,29 @@ define build_gen_menu_in
) >$(1)
endef
-$(CT_TOP_DIR)/config.gen/tools.in: $(TOOL_CONFIG_FILES)
- $(call build_gen_menu_in,$(patsubst $(CT_TOP_DIR)/%,%,$@),Tools,TOOL,config/tools,$(TOOLS))
+#-----------------------------------------------------------
+# The rules for the generated config files
+
+config.gen/arch.in: $(ARCH_CONFIG_FILES)
+ $(call build_gen_choice_in,$@,Target Architecture,ARCH,config/arch,$(ARCHS))
+
+config.gen/kernel.in: $(KERNEL_CONFIG_FILES)
+ $(call build_gen_choice_in,$@,Target OS,KERNEL,config/kernel,$(KERNELS))
-$(CT_TOP_DIR)/config.gen/debug.in: $(DEBUG_CONFIG_FILES)
- $(call build_gen_menu_in,$(patsubst $(CT_TOP_DIR)/%,%,$@),Debug,DEBUG,config/debug,$(DEBUGS))
+config.gen/cc.in: $(CC_CONFIG_FILES)
+ $(call build_gen_choice_in,$@,C compiler,CC,config/cc,$(CCS))
-menuconfig oldconfig defoldconfig: $(KCONFIG_TOP)
+config.gen/libc.in: $(LIBC_CONFIG_FILES)
+ $(call build_gen_choice_in,$@,C library,LIBC,config/libc,$(LIBCS))
-$(KCONFIG_TOP):
- @ln -sf $(CT_LIB_DIR)/config config
+config.gen/tools.in: $(TOOL_CONFIG_FILES)
+ $(call build_gen_menu_in,$@,Tools,TOOL,config/tools,$(TOOLS))
+
+config.gen/debug.in: $(DEBUG_CONFIG_FILES)
+ $(call build_gen_menu_in,$@,Debug,DEBUG,config/debug,$(DEBUGS))
+
+#-----------------------------------------------------------
+# The configurators rules
menuconfig: $(CONFIG_FILES) $(obj)/mconf
@$(obj)/mconf $(KCONFIG_TOP)
@@ -162,13 +193,16 @@ oldconfig: $(CONFIG_FILES) $(obj)/conf
defoldconfig: $(CONFIG_FILES) $(obj)/conf
@yes "" |$(obj)/conf -s $(KCONFIG_TOP)
+#-----------------------------------------------------------
# Help text used by make help
+
help-config::
@echo ' menuconfig - Update current config using a menu based program'
@echo ' oldconfig - Update current config using a provided .config as base'
@echo ' build log piped into stdin'
-# Cheesy build
+#-----------------------------------------------------------
+# Not-so-cheesy build, needs rework...
SHIPPED := $(CT_LIB_DIR)/kconfig/zconf.tab.c $(CT_LIB_DIR)/kconfig/lex.zconf.c $(CT_LIB_DIR)/kconfig/zconf.hash.c
@@ -190,7 +224,7 @@ FILES = $(CT_LIB_DIR)/kconfig/confdata.c \
$(obj)/mconf: $(SHIPPED) $(CT_LIB_DIR)/kconfig/mconf.c \
$(HEADERS) $(FILES) \
$(CT_LIB_DIR)/kconfig/kconfig.mk
- @echo ' LD kconfig/mconf'
+ @echo ' LD $@'
@$(HOST_CC) $(CFLAGS) -o $@ $(CT_LIB_DIR)/kconfig/{mconf.c,zconf.tab.c,lxdialog/*.c} \
$(shell $(CT_LIB_DIR)/kconfig/lxdialog/check-lxdialog.sh -ccflags) \
$(shell $(CT_LIB_DIR)/kconfig/lxdialog/check-lxdialog.sh -ldflags $(HOST_CC))
@@ -198,11 +232,17 @@ $(obj)/mconf: $(SHIPPED) $(CT_LIB_DIR)/kconfig/mconf.c \
$(obj)/conf: $(SHIPPED) $(CT_LIB_DIR)/kconfig/conf.c \
$(HEADERS) $(FILES) \
$(CT_LIB_DIR)/kconfig/kconfig.mk
- @echo ' LD kconfig/conf'
+ @echo ' LD $@'
@$(HOST_CC) $(CFLAGS) -o $@ $(CT_LIB_DIR)/kconfig/{conf.c,zconf.tab.c}
+#-----------------------------------------------------------
+# Cleaning up the mess...
+
clean::
- @rm -f $(CT_TOP_DIR)/kconfig/{,m}conf
- @rmdir --ignore-fail-on-non-empty $(CT_TOP_DIR)/kconfig 2>/dev/null || true
- @rm -f $(CT_TOP_DIR)/config 2>/dev/null || true
- @rm -rf $(CT_TOP_DIR)/config.gen
+ @echo " CLEAN kconfig"
+ @rm -f kconfig/{,m}conf
+ @rmdir --ignore-fail-on-non-empty kconfig 2>/dev/null || true
+ @echo " CLEAN config"
+ @rm -f config 2>/dev/null || true
+ @echo " CLEAN config.gen"
+ @rm -rf config.gen