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Date: Thu, 7 Jun 2018 02:18:18 +0900
From: Masahiro Yamada <yamada.masahiro@...ionext.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
masahiroy@...nel.org
Subject: [GIT PULL 2/2] Kconfig updates for v4.18
Hi Linus,
Please pull Kconfig updates for v4.18
(The follow-up cleanup works are not included in this PR.
I will send them later on because I need to wait for
some prerequisite patches from the PowerPC subsystem.)
You will see a conflict in the top-level Makefile.
It should be resolved as follows:
(The correct fix is also available in linux-next)
------------------------------------------
diff --cc Makefile
index 0d5cdaa,defb383..bbc979a
--- a/Makefile
+++ b/Makefile
@@@ -807,7 -806,8 +806,7 @@@ KBUILD_CFLAGS_KERNEL += $(call cc-optio
endif
# arch Makefile may override CC so keep this after arch Makefile is included
- NOSTDINC_FLAGS += -nostdinc -isystem $(call shell-cached,$(CC)
-print-file-name=include)
+ NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
-CHECKFLAGS += $(NOSTDINC_FLAGS)
# warn about C99 declaration after statement
KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
-------------------------------------------
The following changes since commit b04e217704b7f879c6b91222b066983a44a7a09f:
Linux 4.17-rc7 (2018-05-27 13:01:47 -0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git
tags/kconfig-v4.18
for you to fetch changes up to 2ae89c7a82ea9d81a19b4fc2df23bef4b112f24e:
kconfig: Avoid format overflow warning from GCC 8.1 (2018-06-05
22:07:21 +0900)
----------------------------------------------------------------
Kconfig updates for v4.18
Kconfig now supports new functionality to perform textual substitution.
It has been a while since Linus suggested to move compiler option tests
from makefiles to Kconfig. Finally, here it is. The implementation has
been generalized into a Make-like macro language. Some built-in functions
such as 'shell' are provided. Variables and user-defined functions are
also supported so that 'cc-option', 'ld-option', etc. are implemented as
macros.
Summary:
- refactor package checks for building {m,n,q,g}conf
- remove unused/unmaintained localization support
- remove Kbuild cache
- drop CONFIG_CROSS_COMPILE support
- replace 'option env=' with direct variable expansion
- add built-in functions such as 'shell'
- support variables and user-defined functions
- add helper macros as as 'cc-option'
- add unit tests and a document of the new macro language
- add 'testconfig' to help
- fix warnings from GCC 8.1
----------------------------------------------------------------
Masahiro Yamada (26):
kbuild: do not display CHK for filechk
kconfig: refactor Qt package checks for building qconf
kconfig: refactor GTK+ package checks for building gconf
kconfig: refactor ncurses package checks for building mconf and nconf
kbuild: remove kbuild cache
kbuild: remove CONFIG_CROSS_COMPILE support
kconfig: reference environment variables directly and remove 'option env='
kconfig: remove string expansion in file_lookup()
kconfig: remove string expansion for mainmenu after yyparse()
kconfig: remove sym_expand_string_value()
kconfig: make default prompt of mainmenu less specific
kconfig: add built-in function support
kconfig: add 'shell' built-in function
kconfig: replace $(UNAME_RELEASE) with function call
kconfig: begin PARAM state only when seeing a command keyword
kconfig: support user-defined function and recursively expanded variable
kconfig: support simply expanded variable
kconfig: support append assignment operator
kconfig: expand lefthand side of assignment statement
kconfig: add 'info', 'warning-if', and 'error-if' built-in functions
kconfig: add 'filename' and 'lineno' built-in variables
kconfig: error out if a recursive variable references itself
Documentation: kconfig: document a new Kconfig macro language
kconfig: test: add Kconfig macro language tests
kconfig: show compiler version text in the top comment
kconfig: add basic helper macros to scripts/Kconfig.include
Nathan Chancellor (1):
kconfig: Avoid format overflow warning from GCC 8.1
Petr Vorel (2):
kconfig: Add testconfig into make help output
kbuild: Move last word of nconfig help to the previous line
Sam Ravnborg (1):
kconfig: drop localization support
Documentation/kbuild/kconfig-language.txt | 8 -
Documentation/kbuild/kconfig-macro-language.txt | 242 +++++++++
Kconfig | 10 +-
MAINTAINERS | 3 +-
Makefile | 10 +-
arch/sh/Kconfig | 4 +-
arch/sparc/Kconfig | 4 +-
arch/um/Kconfig.common | 4 -
arch/x86/Kconfig | 4 +-
arch/x86/um/Kconfig | 10 +-
init/Kconfig | 25 +-
scripts/Kbuild.include | 102 +---
scripts/Kconfig.include | 27 +
scripts/kconfig/.gitignore | 4 -
scripts/kconfig/Makefile | 194 ++------
scripts/kconfig/POTFILES.in | 12 -
scripts/kconfig/check.sh | 14 -
scripts/kconfig/conf.c | 51 +-
scripts/kconfig/confdata.c | 39 +-
scripts/kconfig/gconf-cfg.sh | 23 +
scripts/kconfig/gconf.c | 46 +-
scripts/kconfig/kconf_id.c | 1 -
scripts/kconfig/kxgettext.c | 235 ---------
scripts/kconfig/lkc.h | 19 +-
scripts/kconfig/lkc_proto.h | 15 +-
scripts/kconfig/lxdialog/check-lxdialog.sh | 93 ----
scripts/kconfig/lxdialog/checklist.c | 4 +-
scripts/kconfig/lxdialog/dialog.h | 8 +-
scripts/kconfig/lxdialog/inputbox.c | 4 +-
scripts/kconfig/lxdialog/menubox.c | 10 +-
scripts/kconfig/lxdialog/textbox.c | 2 +-
scripts/kconfig/lxdialog/yesno.c | 4 +-
scripts/kconfig/mconf-cfg.sh | 44 ++
scripts/kconfig/mconf.c | 141 +++---
scripts/kconfig/menu.c | 23 +-
scripts/kconfig/nconf-cfg.sh | 44 ++
scripts/kconfig/nconf.c | 148 +++---
scripts/kconfig/nconf.h | 1 -
scripts/kconfig/preprocess.c | 572
++++++++++++++++++++++
scripts/kconfig/qconf-cfg.sh | 25 +
scripts/kconfig/qconf.cc | 104 ++--
scripts/kconfig/symbol.c | 109 -----
.../tests/no_write_if_dep_unmet/expected_config | 2 +-
scripts/kconfig/tests/preprocess/builtin_func/Kconfig | 27 +
.../kconfig/tests/preprocess/builtin_func/__init__.py | 9 +
.../tests/preprocess/builtin_func/expected_stderr | 5 +
.../tests/preprocess/builtin_func/expected_stdout | 1 +
.../tests/preprocess/circular_expansion/Kconfig | 5 +
.../tests/preprocess/circular_expansion/__init__.py | 11 +
.../preprocess/circular_expansion/expected_stderr | 1 +
scripts/kconfig/tests/preprocess/escape/Kconfig | 44 ++
scripts/kconfig/tests/preprocess/escape/__init__.py | 8 +
.../kconfig/tests/preprocess/escape/expected_stderr | 10 +
scripts/kconfig/tests/preprocess/variable/Kconfig | 53 ++
scripts/kconfig/tests/preprocess/variable/__init__.py | 8 +
.../kconfig/tests/preprocess/variable/expected_stderr | 9 +
scripts/kconfig/util.c | 33 +-
scripts/kconfig/zconf.l | 95 +++-
scripts/kconfig/zconf.y | 46 +-
59 files changed, 1666 insertions(+), 1143 deletions(-)
create mode 100644 Documentation/kbuild/kconfig-macro-language.txt
create mode 100644 scripts/Kconfig.include
delete mode 100644 scripts/kconfig/POTFILES.in
delete mode 100755 scripts/kconfig/check.sh
create mode 100755 scripts/kconfig/gconf-cfg.sh
delete mode 100644 scripts/kconfig/kxgettext.c
delete mode 100755 scripts/kconfig/lxdialog/check-lxdialog.sh
create mode 100755 scripts/kconfig/mconf-cfg.sh
create mode 100644 scripts/kconfig/nconf-cfg.sh
create mode 100644 scripts/kconfig/preprocess.c
create mode 100755 scripts/kconfig/qconf-cfg.sh
create mode 100644 scripts/kconfig/tests/preprocess/builtin_func/Kconfig
create mode 100644 scripts/kconfig/tests/preprocess/builtin_func/__init__.py
create mode 100644
scripts/kconfig/tests/preprocess/builtin_func/expected_stderr
create mode 100644
scripts/kconfig/tests/preprocess/builtin_func/expected_stdout
create mode 100644 scripts/kconfig/tests/preprocess/circular_expansion/Kconfig
create mode 100644
scripts/kconfig/tests/preprocess/circular_expansion/__init__.py
create mode 100644
scripts/kconfig/tests/preprocess/circular_expansion/expected_stderr
create mode 100644 scripts/kconfig/tests/preprocess/escape/Kconfig
create mode 100644 scripts/kconfig/tests/preprocess/escape/__init__.py
create mode 100644 scripts/kconfig/tests/preprocess/escape/expected_stderr
create mode 100644 scripts/kconfig/tests/preprocess/variable/Kconfig
create mode 100644 scripts/kconfig/tests/preprocess/variable/__init__.py
create mode 100644 scripts/kconfig/tests/preprocess/variable/expected_stderr
--
Best Regards
Masahiro Yamada
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