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kconfig/kconfig.mk
author "Yann E. MORIN" <yann.morin.1998@free.fr>
Sat Jul 14 18:25:47 2012 +0200 (2012-07-14)
branch1.15
changeset 3006 1c9e4e6a6922
parent 2835 0a2fa748727e
permissions -rw-r--r--
configure: check for GNU awk, not any awk

Building glibc requires GNU awk, not any other.

Reported-by: Han Sooloo <hansooloo@gmail.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
(transplanted from 4ccfca658d9bbbc4a682751332ce5b92cbdfb0fe) 
     1 # ===========================================================================

     2 # crosstool-NG configuration targets

     3 # These targets are used from top-level makefile

     4 

     5 #-----------------------------------------------------------

     6 # The configurators rules

     7 

     8 configurators = menuconfig nconfig oldconfig

     9 PHONY += $(configurators)

    10 

    11 $(configurators): config_files

    12 

    13 CONF  := $(CT_LIB_DIR)/kconfig/conf

    14 MCONF := $(CT_LIB_DIR)/kconfig/mconf

    15 NCONF := $(CT_LIB_DIR)/kconfig/nconf

    16 

    17 menuconfig:

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

    19 	$(SILENT)$(MCONF) $(KCONFIG_TOP)

    20 

    21 nconfig:

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

    23 	$(SILENT)$(NCONF) $(KCONFIG_TOP)

    24 

    25 oldconfig: .config

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

    27 	$(SILENT)$(CONF) --silent$@ $(KCONFIG_TOP)

    28 

    29 # Always be silent, the stdout an be >.config

    30 extractconfig:

    31 	@$(awk) 'BEGIN { dump=0; }                                                  \

    32 	         dump==1 && $$0~/^\[.....\][[:space:]]+(# |)CT_/ {                  \

    33 	             $$1="";                                                        \

    34 	             gsub("^[[:space:]]","");                                       \

    35 	             print;                                                         \

    36 	         }                                                                  \

    37 	         $$0~/Dumping user-supplied crosstool-NG configuration: done in/ {  \

    38 	             dump=0;                                                        \

    39 	         }                                                                  \

    40 	         $$0~/Dumping user-supplied crosstool-NG configuration$$/ {         \

    41 	             dump=1;                                                        \

    42 	         }'

    43 

    44 #-----------------------------------------------------------

    45 # Help text used by make help

    46 

    47 help-config::

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

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

    50 	@echo  '  extractconfig      - Extract to stdout the configuration items from a'

    51 	@echo  '                       build.log file piped to stdin'
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