crosstool-ng: kconfig/kconfig.mk@c9967a6e3b25

     1 # ===========================================================================

     2 # crosstool-NG configuration targets

     3 # These targets are used from top-level makefile

     5 # Derive the project version from, well, the project version:

     6 export PROJECTVERSION=$(CT_VERSION)

     8 # The place where the kconfig stuff lies

     9 obj = kconfig

    11 #-----------------------------------------------------------

    12 # The configurators rules

    14 configurators = menuconfig oldconfig

    15 PHONY += $(configurators)

    17 $(configurators): config_files

    19 menuconfig: $(obj)/mconf

    20 	@$(ECHO) "  CONF  $(KCONFIG_TOP)"

    21 	$(SILENT)$< $(KCONFIG_TOP)

    23 oldconfig: $(obj)/conf .config

    24 	@$(ECHO) "  CONF  $(KCONFIG_TOP)"

    25 	$(SILENT)$< -s $(KCONFIG_TOP)

    27 #-----------------------------------------------------------

    28 # Help text used by make help

    30 help-config::

    31 	@echo  '  menuconfig         - Update current config using a menu based program'

    32 	@echo  '  oldconfig          - Update current config using a provided .config as base'

    34 #-----------------------------------------------------------

    35 # Hmmm! Cheesy build!

    36 # Or: where I can unveil my make-fu... :-]

    38 # Oh! Files not here are there, in fact! :-)

    39 vpath %.c $(CT_LIB_DIR)

    40 vpath %.h $(CT_LIB_DIR)

    42 # What is the compiler?

    43 HOST_CC ?= gcc -funsigned-char

    44 HOST_LD ?= gcc

    46 # Helpers

    47 check_gettext = $(CT_LIB_DIR)/kconfig/check-gettext.sh

    48 check_lxdialog = $(CT_LIB_DIR)/kconfig/lxdialog/check-lxdialog.sh

    50 # Build flags

    51 CFLAGS =

    52 LDFLAGS =

    54 # Compiler flags to use gettext

    55 INTL_CFLAGS = $(shell $(SHELL) $(check_gettext) $(HOST_CC) $(EXTRA_CFLAGS))

    57 # Compiler and linker flags to use ncurses

    58 NCURSES_CFLAGS = $(shell $(SHELL) $(check_lxdialog) -ccflags)

    59 NCURSES_LDFLAGS = $(shell $(SHELL) $(check_lxdialog) -ldflags $(HOST_CC) $(LX_FLAGS) $(EXTRA_CFLAGS))

    61 # Common source files

    62 COMMON_SRC = kconfig/zconf.tab.c

    63 COMMON_OBJ = $(patsubst %.c,%.o,$(COMMON_SRC))

    64 COMMON_DEP = $(patsubst %.o,%.dep,$(COMMON_OBJ))

    65 $(COMMON_OBJ) $(COMMON_DEP): CFLAGS += $(INTL_CFLAGS)

    67 # lxdialog source files

    68 LX_SRC = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/kconfig/lxdialog/*.c))

    69 LX_OBJ = $(patsubst %.c,%.o,$(LX_SRC))

    70 LX_DEP = $(patsubst %.o,%.dep,$(LX_OBJ))

    71 $(LX_OBJ) $(LX_DEP): CFLAGS += $(NCURSES_CFLAGS) $(INTL_CFLAGS)

    73 # What's needed to build 'conf'

    74 conf_SRC = kconfig/conf.c

    75 conf_OBJ = $(patsubst %.c,%.o,$(conf_SRC))

    76 conf_DEP = $(patsubst %.o,%.dep,$(conf_OBJ))

    77 $(conf_OBJ) $(conf_DEP): CFLAGS += $(INTL_CFLAGS)

    79 # What's needed to build 'mconf'

    80 mconf_SRC = kconfig/mconf.c

    81 mconf_OBJ = $(patsubst %.c,%.o,$(mconf_SRC))

    82 mconf_DEP = $(patsubst %.c,%.dep,$(mconf_SRC))

    83 $(mconf_OBJ) $(mconf_DEP): CFLAGS += $(NCURSES_CFLAGS) $(INTL_CFLAGS)

    84 $(obj)/mconf: LDFLAGS += $(NCURSES_LDFLAGS)

    85 ifeq ($(shell uname -o 2>/dev/null || echo unknown),Cygwin)

    86 $(obj)/mconf: LDFLAGS += -Wl,--enable-auto-import

    87 endif

    89 # These are generated files:

    90 ALL_OBJS = $(sort $(COMMON_OBJ) $(LX_OBJ) $(conf_OBJ) $(mconf_OBJ))

    91 ALL_DEPS = $(sort $(COMMON_DEP) $(LX_DEP) $(conf_DEP) $(mconf_DEP))

    93 # Cheesy auto-dependencies

    94 # Only parse the following if a configurator was called, to avoid building

    95 # dependencies when not needed (eg. list-steps, list-samples...)

    96 # We must be carefull what we enclose, because we need some of the variable

    97 # definitions for clean (and distclean) at least.

    98 # Just protecting the "-include $(DEPS)" line should be sufficient.

   100 ifneq ($(strip $(MAKECMDGOALS)),)

   101 ifneq ($(strip $(filter $(configurators),$(MAKECMDGOALS))),)

   103 DEPS = $(COMMON_DEP)

   104 ifneq ($(strip $(filter oldconfig,$(MAKECMDGOALS))),)

   105 DEPS += $(conf_DEP)

   106 endif

   107 ifneq ($(strip $(filter menuconfig,$(MAKECMDGOALS))),)

   108 DEPS += $(mconf_DEP) $(LX_DEP)

   109 endif

   111 -include $(DEPS)

   113 endif # MAKECMDGOALS contains a configurator rule

   114 endif # MAKECMDGOALS != ""

   116 # Each .o or .dep *can not* directly depend on kconfig/, because kconfig can

   117 # be touched during the build (who's touching it, btw?) so each .o or .dep

   118 # would be re-built when it sould not be.

   119 # So manually check for presence of $(obj) (ie. kconfig), and only mkdir

   120 # if needed. After all, that's not so bad...

   121 # mkdir $(obj)/lxdialog, because we need it, and incidentally, that

   122 # also creates $(obj).

   123 define check_kconfig_dir

   124 	$(SILENT)if [ ! -d $(obj)/lxdialog ]; then  \

   125 	   $(ECHO) "  MKDIR $(obj)";           \

   126 	   mkdir -p $(obj)/lxdialog;        \

   127 	 fi

   128 endef

   130 # Build the dependency for C files

   131 %.dep: %.c $(CT_LIB_DIR)/kconfig/kconfig.mk

   132 	$(check_kconfig_dir)

   133 	@$(ECHO) "  DEP   $@"

   134 	$(SILENT)$(HOST_CC) $(CFLAGS) $(EXTRA_CFLAGS) -MM $< |$(sed) -r -e 's|([^:]+.o)( *:+)|$(<:.c=.o) $@\2|;' >$@

   136 # Build C files

   137 %.o: %.c $(CT_LIB_DIR)/kconfig/kconfig.mk

   138 	$(check_kconfig_dir)

   139 	@$(ECHO) "  CC    $@"

   140 	$(SILENT)$(HOST_CC) $(CFLAGS) $(EXTRA_CFLAGS) -o $@ -c $<

   142 # Actual link

   143 $(obj)/mconf: $(COMMON_OBJ) $(LX_OBJ) $(mconf_OBJ)

   144 	@$(ECHO) '  LD    $@'

   145 	$(SILENT)$(HOST_LD) -o $@ $^ $(LDFLAGS) $(EXTRA_LDFLAGS)

   147 $(obj)/conf: $(COMMON_OBJ) $(conf_OBJ)

   148 	@$(ECHO) '  LD    $@'

   149 	$(SILENT)$(HOST_LD) -o $@ $^ $(LDFLAGS) $(EXTRA_LDFLAGS)

   151 #-----------------------------------------------------------

   152 # Cleaning up the mess...

   154 clean::

   155 	@$(ECHO) "  CLEAN kconfig"

   156 	$(SILENT)rm -f kconfig/{,m}conf $(ALL_OBJS) $(ALL_DEPS)

   157 	$(SILENT)rmdir --ignore-fail-on-non-empty kconfig{/lxdialog,} 2>/dev/null || true

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Mon Feb 02 22:00:18 2009 +0000 (2009-02-02)
changeset 1201	c9967a6e3b25
parent 1087	5be36a4b304d
child 1254	90a099a0e902
permissions	-rw-r--r--