mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2024-12-20 21:33:08 +00:00
145d0cad94
/trunk/kconfig/kconfig.mk | 7 5 2 0 ++++-- /trunk/kconfig/lxdialog/check-lxdialog.sh | 44 21 23 0 ++++++++++++++++++------------------- 2 files changed, 26 insertions(+), 25 deletions(-)
158 lines
5.1 KiB
Makefile
158 lines
5.1 KiB
Makefile
# ===========================================================================
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# crosstool-NG configuration targets
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# These targets are used from top-level makefile
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# Derive the project version from, well, the project version:
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export PROJECTVERSION=$(CT_VERSION)
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# The place where the kconfig stuff lies
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obj = kconfig
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#-----------------------------------------------------------
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# The configurators rules
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configurators = menuconfig oldconfig
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PHONY += $(configurators)
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$(configurators): config_files
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menuconfig: $(obj)/mconf
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@$(ECHO) " CONF $(KCONFIG_TOP)"
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$(SILENT)$< $(KCONFIG_TOP)
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oldconfig: $(obj)/conf .config
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@$(ECHO) " CONF $(KCONFIG_TOP)"
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$(SILENT)$< -s $(KCONFIG_TOP)
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#-----------------------------------------------------------
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# Help text used by make help
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help-config::
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@echo ' menuconfig - Update current config using a menu based program'
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@echo ' oldconfig - Update current config using a provided .config as base'
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#-----------------------------------------------------------
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# Hmmm! Cheesy build!
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# Or: where I can unveil my make-fu... :-]
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# Oh! Files not here are there, in fact! :-)
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vpath %.c $(CT_LIB_DIR)
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vpath %.h $(CT_LIB_DIR)
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# What is the compiler?
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HOST_CC ?= gcc -funsigned-char
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HOST_LD ?= gcc
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# Helpers
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check_gettext = $(CT_LIB_DIR)/kconfig/check-gettext.sh
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check_lxdialog = $(CT_LIB_DIR)/kconfig/lxdialog/check-lxdialog.sh
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# Build flags
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CFLAGS =
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LDFLAGS =
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# Compiler flags to use gettext
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INTL_CFLAGS = $(shell $(SHELL) $(check_gettext) $(HOST_CC) $(EXTRA_CFLAGS))
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# Compiler and linker flags to use ncurses
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NCURSES_CFLAGS = $(shell $(SHELL) $(check_lxdialog) -ccflags)
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NCURSES_LDFLAGS = $(shell $(SHELL) $(check_lxdialog) -ldflags $(HOST_CC) $(LX_FLAGS) $(EXTRA_CFLAGS))
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# Common source files
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COMMON_SRC = kconfig/zconf.tab.c
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COMMON_OBJ = $(patsubst %.c,%.o,$(COMMON_SRC))
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COMMON_DEP = $(patsubst %.o,%.dep,$(COMMON_OBJ))
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$(COMMON_OBJ) $(COMMON_DEP): CFLAGS += $(INTL_CFLAGS)
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# lxdialog source files
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LX_SRC = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/kconfig/lxdialog/*.c))
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LX_OBJ = $(patsubst %.c,%.o,$(LX_SRC))
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LX_DEP = $(patsubst %.o,%.dep,$(LX_OBJ))
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$(LX_OBJ) $(LX_DEP): CFLAGS += $(NCURSES_CFLAGS) $(INTL_CFLAGS)
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# What's needed to build 'conf'
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conf_SRC = kconfig/conf.c
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conf_OBJ = $(patsubst %.c,%.o,$(conf_SRC))
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conf_DEP = $(patsubst %.o,%.dep,$(conf_OBJ))
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$(conf_OBJ) $(conf_DEP): CFLAGS += $(INTL_CFLAGS)
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# What's needed to build 'mconf'
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mconf_SRC = kconfig/mconf.c
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mconf_OBJ = $(patsubst %.c,%.o,$(mconf_SRC))
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mconf_DEP = $(patsubst %.c,%.dep,$(mconf_SRC))
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$(mconf_OBJ) $(mconf_DEP): CFLAGS += $(NCURSES_CFLAGS) $(INTL_CFLAGS)
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$(obj)/mconf: LDFLAGS += $(NCURSES_LDFLAGS)
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ifeq ($(shell uname -o 2>/dev/null || echo unknown),Cygwin)
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$(obj)/mconf: LDFLAGS += -Wl,--enable-auto-import
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endif
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# These are generated files:
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ALL_OBJS = $(sort $(COMMON_OBJ) $(LX_OBJ) $(conf_OBJ) $(mconf_OBJ))
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ALL_DEPS = $(sort $(COMMON_DEP) $(LX_DEP) $(conf_DEP) $(mconf_DEP))
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# Cheesy auto-dependencies
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# Only parse the following if a configurator was called, to avoid building
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# dependencies when not needed (eg. list-steps, list-samples...)
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# We must be carefull what we enclose, because we need some of the variable
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# definitions for clean (and distclean) at least.
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# Just protecting the "-include $(DEPS)" line should be sufficient.
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ifneq ($(strip $(MAKECMDGOALS)),)
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ifneq ($(strip $(filter $(configurators),$(MAKECMDGOALS))),)
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DEPS = $(COMMON_DEP)
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ifneq ($(strip $(filter oldconfig,$(MAKECMDGOALS))),)
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DEPS += $(conf_DEP)
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endif
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ifneq ($(strip $(filter menuconfig,$(MAKECMDGOALS))),)
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DEPS += $(mconf_DEP) $(LX_DEP)
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endif
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-include $(DEPS)
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endif # MAKECMDGOALS contains a configurator rule
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endif # MAKECMDGOALS != ""
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# Each .o or .dep *can not* directly depend on kconfig/, because kconfig can
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# be touched during the build (who's touching it, btw?) so each .o or .dep
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# would be re-built when it sould not be.
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# So manually check for presence of $(obj) (ie. kconfig), and only mkdir
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# if needed. After all, that's not so bad...
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# mkdir $(obj)/lxdialog, because we need it, and incidentally, that
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# also creates $(obj).
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define check_kconfig_dir
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$(SILENT)if [ ! -d $(obj)/lxdialog ]; then \
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$(ECHO) " MKDIR $(obj)"; \
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mkdir -p $(obj)/lxdialog; \
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fi
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endef
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# Build the dependency for C files
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%.dep: %.c $(CT_LIB_DIR)/kconfig/kconfig.mk
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$(check_kconfig_dir)
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@$(ECHO) " DEP $@"
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$(SILENT)$(HOST_CC) $(CFLAGS) $(EXTRA_CFLAGS) -MM $< |sed -r -e 's|([^:]+.o)( *:+)|$(<:.c=.o) $@\2|;' >$@
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# Build C files
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%.o: %.c $(CT_LIB_DIR)/kconfig/kconfig.mk
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$(check_kconfig_dir)
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@$(ECHO) " CC $@"
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$(SILENT)$(HOST_CC) $(CFLAGS) $(EXTRA_CFLAGS) -o $@ -c $<
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# Actual link
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$(obj)/mconf: $(COMMON_OBJ) $(LX_OBJ) $(mconf_OBJ)
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@$(ECHO) ' LD $@'
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$(SILENT)$(HOST_LD) -o $@ $^ $(LDFLAGS) $(EXTRA_LDFLAGS)
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$(obj)/conf: $(COMMON_OBJ) $(conf_OBJ)
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@$(ECHO) ' LD $@'
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$(SILENT)$(HOST_LD) -o $@ $^ $(LDFLAGS) $(EXTRA_LDFLAGS)
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#-----------------------------------------------------------
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# Cleaning up the mess...
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clean::
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@$(ECHO) " CLEAN kconfig"
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$(SILENT)rm -f kconfig/{,m}conf $(ALL_OBJS) $(ALL_DEPS)
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$(SILENT)rmdir --ignore-fail-on-non-empty kconfig{/lxdialog,} 2>/dev/null || true
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