kbuild: fix genksyms Makefile

When enabling GENERATE_PARSER the genksyms Makefile
failed to create _shipped version of generated files.

Modifying keywords.gperf failed to cause a rebuild
of genksyms.
Fixed by specifying keywowrds .c as explicit prerequisite
of the lexer.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Sam Ravnborg 2007-09-01 10:24:58 +02:00 committed by Sam Ravnborg
parent cc9eefdb9e
commit a3a6261a11
1 changed files with 6 additions and 2 deletions

View File

@ -23,14 +23,16 @@ quiet_cmd_keywords.c = GPERF $@
$(obj)/keywords.c: $(obj)/keywords.gperf FORCE
$(call if_changed,keywords.c)
cp $@ $@_shipped
# flex
quiet_cmd_lex.c = FLEX $@
cmd_lex.c = flex -o$@ -d $(filter-out FORCE,$^)
cmd_lex.c = flex -o$@ -d $< $(obj)/parse.h
$(obj)/lex.c: $(obj)/lex.l $(obj)/parse.h FORCE
$(obj)/lex.c: $(obj)/lex.l $(obj)/parse.h $(obj)/keywords.c FORCE
$(call if_changed,lex.c)
cp $@ $@_shipped
# bison
@ -39,6 +41,8 @@ quiet_cmd_parse.c = BISON $@
$(obj)/parse.c: $(obj)/parse.y FORCE
$(call if_changed,parse.c)
cp $@ $@_shipped
cp $(@:.c=.h) $(@:.c=.h)_shipped
$(obj)/parse.h: $(obj)/parse.c ;