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make sconfig parser regeneration menu selectable 

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5688 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer 2010-08-09 13:28:18 +00:00 committed by Stefan Reinauer
parent 35d346fe2d
commit 9bf7810dac
2 changed files with 13 additions and 1 deletions
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10
src/Kconfig
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@ -80,6 +80,16 @@ config CCACHE
Enables the use of ccache for faster builds.
Requires ccache in path.
config SCONFIG_GENPARSER
bool "Generate SCONFIG parser using flex and bison"
default n
depends on EXPERT
help
Enable this option if you are working on the sconfig
device tree parser and made changes to sconfig.l and
sconfig.y.
Otherwise, say N.
config USE_OPTION_TABLE
bool "Use CMOS for configuration values"
default n

4
util/sconfig/Makefile.inc
View File

@ -16,13 +16,15 @@ $(objutil)/sconfig/%.o: $(objutil)/sconfig/%.c
printf " HOSTCC $(subst $(obj)/,,$(@))\n"
$(HOSTCC) $(SCONFIGFLAGS) $(HOSTCFLAGS) -c -o $@ $<
ifdef SCONFIG_GENPARSER
ifdef CONFIG_SCONFIG_GENPARSER
$(top)/util/sconfig/lex.yy.c_shipped: $(top)/util/sconfig/sconfig.l
printf " FLEX $(subst $(top)/,,$(@))\n"
flex -L -o $@ $<
# the .c rule also creates .h
$(top)/util/sconfig/sconfig.tab.h_shipped: $(top)/util/sconfig/sconfig.tab.c_shipped
$(top)/util/sconfig/sconfig.tab.c_shipped: $(top)/util/sconfig/sconfig.y
printf " BISON $(subst $(top)/,,$(@))\n"
bison -l --defines=$(top)/util/sconfig/sconfig.tab.h_shipped -o $@ $<
endif