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Masahiro Yamada 382243f346 genksyms: fix stale comment

(shipped source) is a stale comment.

Since commit 833e622459 ("genksyms: generate lexer and parser during
build instead of shipping"), there is no source file to be shipped in
this directory.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

2021-05-02 00:43:34 +09:00

951 B

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SPDX-License-Identifier: GPL-2.0

hostprogs-always-y += genksyms

genksyms-objs := genksyms.o parse.tab.o lex.lex.o

FIXME: fix the ambiguous grammar in parse.y and delete this hack

Suppress shift/reduce, reduce/reduce conflicts warnings

unless W=1 is specified.

Just in case, run "$(YACC) --version" without suppressing stderr

so that 'bison: not found' will be displayed if it is missing.

ifeq ($(findstring 1,$(KBUILD_EXTRA_WARN)),)

quiet_cmd_bison_no_warn = $(quiet_cmd_bison) cmd_bison_no_warn = $(YACC) --version >/dev/null;
$(cmd_bison) 2>/dev/null

$(obj)/pars%.tab.c $(obj)/pars%.tab.h: $(src)/pars%.y FORCE $(call if_changed,bison_no_warn)

endif

-I needed for generated C source to include headers in source tree

HOSTCFLAGS_parse.tab.o := -I $(srctree)/$(src) HOSTCFLAGS_lex.lex.o := -I $(srctree)/$(src)

dependencies on generated files need to be listed explicitly

$(obj)/lex.lex.o: $(obj)/parse.tab.h

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