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/linux/scripts/genksyms/
H A DMakefilediff b23d1a241f4eb44ae55785c9b65274717c8e2c1e Fri Mar 23 14:04:33 CET 2018 Masahiro Yamada <yamada.masahiro@socionext.com> kbuild: add %.lex.c and %.tab.[ch] to 'targets' automatically

Files generated by if_changed* must be added to 'targets' to include
*.cmd files. Otherwise, they would be regenerated every time.

The build system automatically adds objects to 'targets' where
appropriate, such as obj-y, extra-y, etc. but does nothing for
intermediate files. So, each Makefile needs to add them by itself.

There are some common cases where objects are generated by chained
rules. Lexers and parsers are compiled like follows:

%.lex.o <- %.lex.c <- %.l
%.tab.o <- %.tab.c <- %.y

They are common patterns, so it is reasonable to take care of them
in the core Makefile instead of requiring each Makefile to do so.

At this moment, you cannot delete 'target += zconf.lex.c' in the
Kconfig Makefile because zconf.lex.c is included from zconf.tab.c
instead of being compiled separately. It should be deleted after
Kconfig is more refactored.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Frank Rowand <frowand.list@gmail.com>
/linux/scripts/dtc/
H A DMakefilediff b23d1a241f4eb44ae55785c9b65274717c8e2c1e Fri Mar 23 14:04:33 CET 2018 Masahiro Yamada <yamada.masahiro@socionext.com> kbuild: add %.lex.c and %.tab.[ch] to 'targets' automatically

Files generated by if_changed* must be added to 'targets' to include
*.cmd files. Otherwise, they would be regenerated every time.

The build system automatically adds objects to 'targets' where
appropriate, such as obj-y, extra-y, etc. but does nothing for
intermediate files. So, each Makefile needs to add them by itself.

There are some common cases where objects are generated by chained
rules. Lexers and parsers are compiled like follows:

%.lex.o <- %.lex.c <- %.l
%.tab.o <- %.tab.c <- %.y

They are common patterns, so it is reasonable to take care of them
in the core Makefile instead of requiring each Makefile to do so.

At this moment, you cannot delete 'target += zconf.lex.c' in the
Kconfig Makefile because zconf.lex.c is included from zconf.tab.c
instead of being compiled separately. It should be deleted after
Kconfig is more refactored.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Frank Rowand <frowand.list@gmail.com>
/linux/scripts/kconfig/
H A DMakefilediff b23d1a241f4eb44ae55785c9b65274717c8e2c1e Fri Mar 23 14:04:33 CET 2018 Masahiro Yamada <yamada.masahiro@socionext.com> kbuild: add %.lex.c and %.tab.[ch] to 'targets' automatically

Files generated by if_changed* must be added to 'targets' to include
*.cmd files. Otherwise, they would be regenerated every time.

The build system automatically adds objects to 'targets' where
appropriate, such as obj-y, extra-y, etc. but does nothing for
intermediate files. So, each Makefile needs to add them by itself.

There are some common cases where objects are generated by chained
rules. Lexers and parsers are compiled like follows:

%.lex.o <- %.lex.c <- %.l
%.tab.o <- %.tab.c <- %.y

They are common patterns, so it is reasonable to take care of them
in the core Makefile instead of requiring each Makefile to do so.

At this moment, you cannot delete 'target += zconf.lex.c' in the
Kconfig Makefile because zconf.lex.c is included from zconf.tab.c
instead of being compiled separately. It should be deleted after
Kconfig is more refactored.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Frank Rowand <frowand.list@gmail.com>
/linux/scripts/
H A DMakefile.builddiff b23d1a241f4eb44ae55785c9b65274717c8e2c1e Fri Mar 23 14:04:33 CET 2018 Masahiro Yamada <yamada.masahiro@socionext.com> kbuild: add %.lex.c and %.tab.[ch] to 'targets' automatically

Files generated by if_changed* must be added to 'targets' to include
*.cmd files. Otherwise, they would be regenerated every time.

The build system automatically adds objects to 'targets' where
appropriate, such as obj-y, extra-y, etc. but does nothing for
intermediate files. So, each Makefile needs to add them by itself.

There are some common cases where objects are generated by chained
rules. Lexers and parsers are compiled like follows:

%.lex.o <- %.lex.c <- %.l
%.tab.o <- %.tab.c <- %.y

They are common patterns, so it is reasonable to take care of them
in the core Makefile instead of requiring each Makefile to do so.

At this moment, you cannot delete 'target += zconf.lex.c' in the
Kconfig Makefile because zconf.lex.c is included from zconf.tab.c
instead of being compiled separately. It should be deleted after
Kconfig is more refactored.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Frank Rowand <frowand.list@gmail.com>