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Commit 58238c81 authored by Peter Foley's avatar Peter Foley Committed by Michal Marek
Browse files

kbuild: prevent make from deleting _shipped files 



commit 7373f4f8 (kbuild: add implicit rules for parser generation)
created a implicit rule chain (%.c: %.c_shipped: %.y).
Make considers the _shipped files to be intermediate files which
causes them to be deleted if they didn't exist before make was run.
Mark the _shipped files PRECIOUS to prevent make from deleting them.

Signed-off-by: default avatarPeter Foley <pefoley2@verizon.net>
Acked-by: default avatarArnaud Lacombe <lacombar@gmail.com>
Signed-off-by: default avatarMichal Marek <mmarek@suse.cz>
parent f4b129f5

scripts/Makefile.lib

+4 −0
Original line number Diff line number Diff line
@@ -167,6 +167,7 @@ ifdef REGENERATE_PARSERS 
quiet_cmd_gperf = GPERF $@

      cmd_gperf = gperf -t --output-file $@ -a -C -E -g -k 1,3,$$ -p -t $<



.PRECIOUS: $(src)/%.hash.c_shipped

$(src)/%.hash.c_shipped: $(src)/%.gperf

	$(call cmd,gperf)
@@ -177,6 +178,7 @@ LEX_PREFIX = $(if $(LEX_PREFIX_${baseprereq}),$(LEX_PREFIX_${baseprereq}),yy) 
quiet_cmd_flex = LEX     $@

      cmd_flex = flex -o$@ -L -P $(LEX_PREFIX) $<



.PRECIOUS: $(src)/%.lex.c_shipped

$(src)/%.lex.c_shipped: $(src)/%.l

	$(call cmd,flex)
@@ -187,12 +189,14 @@ YACC_PREFIX = $(if $(YACC_PREFIX_${baseprereq}),$(YACC_PREFIX_${baseprereq}),yy) 
quiet_cmd_bison = YACC    $@

      cmd_bison = bison -o$@ -t -l -p $(YACC_PREFIX) $<



.PRECIOUS: $(src)/%.tab.c_shipped

$(src)/%.tab.c_shipped: $(src)/%.y

	$(call cmd,bison)



quiet_cmd_bison_h = YACC    $@

      cmd_bison_h = bison -o/dev/null --defines=$@ -t -l -p $(YACC_PREFIX) $<



.PRECIOUS: $(src)/%.tab.h_shipped

$(src)/%.tab.h_shipped: $(src)/%.y

	$(call cmd,bison_h)