forked from luck/tmp_suning_uos_patched
Kbuild fixes for v4.15
- fix cross-compilation for architectures that setup CROSS_COMPILE in their arch Makefile - fix Kconfig rational operators for bool / tristate - drop a gperf-generated file from .gitignore -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJaWgIlAAoJED2LAQed4NsGniEQAKFEhwU3XErlJHhfz1o84oJT ycfulcz1VDUrxpfYi7/uCiBNB7B5rajnH0fclkMwt4oV7wJgWbtDTzlLNIhX5vQI e+zDc8GMv/9rBks8OBypsUwlW/3etP6PjL1uC2KgG8F/2gNoodJs9Y/5Jfb3esKF Lh8A1LMqSKNG4B9pjRBQv1k2KX6K5R011UGKLg6qcek1lj8r9NpdgKo/jH5tjrTb y5weRpIkofb4sqBjls+7H24DUWg2GVSunEIBBNyxqwn52UhcSNcC2s+jdKqwmS50 R2jP8ENXyiATCJfVdKguhiTQJ4xLbTbHrL1K9vGpimj+3PAf37VbRlhXPJ6FVyCm vuxv6HHL9a7Pm7o/sQxWmHD6GQa6/DCD+j8LPR5ro3Imkh0zqTqvA8R3mnX3NnVz lj2Bu+Ii+OaSgoN7B2lLgIkr8uc99CErEcqjI2fxKm5hVbuqGF9nciiGMLc0fXJW 9alfkdi911LR3SjmwvFngGtq0SXOTG830J2ERfoD4zCKVg5ZffrFyMPLPgdze3Uv BKDynomNfCxciz1h4/MZunUOjrViUFfHXDwkSnkfXAmOGfCM1XoE7/aSOuTzvTnl CT8Sk9RIa90AogVnkA92Zza93Itophpdqdnw8acJIDDrNaToNprzTLB4HNDcKWy9 3k7yoa63AXBvE1k+ofJK =py+X -----END PGP SIGNATURE----- Merge tag 'kbuild-fixes-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - fix cross-compilation for architectures that setup CROSS_COMPILE in their arch Makefile - fix Kconfig rational operators for bool / tristate - drop a gperf-generated file from .gitignore * tag 'kbuild-fixes-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: genksyms: drop *.hash.c from .gitignore kconfig: fix relational operators for bool and tristate symbols kbuild: move cc-option and cc-disable-warning after incl. arch Makefile
This commit is contained in:
Linus Torvalds
commit
22079ee450
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@ -200,10 +200,14 @@ module state. Dependency expressions have the following syntax:
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<expr> ::= <symbol> (1)
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<symbol> '=' <symbol> (2)
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<symbol> '!=' <symbol> (3)
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'(' <expr> ')' (4)
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'!' <expr> (5)
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<expr> '&&' <expr> (6)
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<expr> '||' <expr> (7)
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<symbol1> '<' <symbol2> (4)
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<symbol1> '>' <symbol2> (4)
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<symbol1> '<=' <symbol2> (4)
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<symbol1> '>=' <symbol2> (4)
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'(' <expr> ')' (5)
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'!' <expr> (6)
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<expr> '&&' <expr> (7)
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<expr> '||' <expr> (8)
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Expressions are listed in decreasing order of precedence.
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@ -214,10 +218,13 @@ Expressions are listed in decreasing order of precedence.
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otherwise 'n'.
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(3) If the values of both symbols are equal, it returns 'n',
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otherwise 'y'.
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(4) Returns the value of the expression. Used to override precedence.
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(5) Returns the result of (2-/expr/).
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(6) Returns the result of min(/expr/, /expr/).
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(7) Returns the result of max(/expr/, /expr/).
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(4) If value of <symbol1> is respectively lower, greater, lower-or-equal,
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or greater-or-equal than value of <symbol2>, it returns 'y',
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otherwise 'n'.
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(5) Returns the value of the expression. Used to override precedence.
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(6) Returns the result of (2-/expr/).
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(7) Returns the result of min(/expr/, /expr/).
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(8) Returns the result of max(/expr/, /expr/).
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An expression can have a value of 'n', 'm' or 'y' (or 0, 1, 2
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respectively for calculations). A menu entry becomes visible when its
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43
Makefile
43
Makefile
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@ -484,26 +484,6 @@ CLANG_GCC_TC := --gcc-toolchain=$(GCC_TOOLCHAIN)
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endif
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KBUILD_CFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC)
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KBUILD_AFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC)
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KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,)
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KBUILD_CFLAGS += $(call cc-disable-warning, unused-variable)
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KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier)
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KBUILD_CFLAGS += $(call cc-disable-warning, gnu)
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KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
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# Quiet clang warning: comparison of unsigned expression < 0 is always false
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KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare)
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# CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the
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# source of a reference will be _MergedGlobals and not on of the whitelisted names.
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# See modpost pattern 2
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KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,)
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KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)
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KBUILD_CFLAGS += $(call cc-option, -no-integrated-as)
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KBUILD_AFLAGS += $(call cc-option, -no-integrated-as)
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else
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# These warnings generated too much noise in a regular build.
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# Use make W=1 to enable them (see scripts/Makefile.extrawarn)
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KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)
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KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable)
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endif
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ifeq ($(config-targets),1)
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@ -716,6 +696,29 @@ ifdef CONFIG_CC_STACKPROTECTOR
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endif
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KBUILD_CFLAGS += $(stackp-flag)
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ifeq ($(cc-name),clang)
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KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,)
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KBUILD_CFLAGS += $(call cc-disable-warning, unused-variable)
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KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier)
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KBUILD_CFLAGS += $(call cc-disable-warning, gnu)
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KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
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# Quiet clang warning: comparison of unsigned expression < 0 is always false
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KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare)
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# CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the
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# source of a reference will be _MergedGlobals and not on of the whitelisted names.
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# See modpost pattern 2
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KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,)
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KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)
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KBUILD_CFLAGS += $(call cc-option, -no-integrated-as)
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KBUILD_AFLAGS += $(call cc-option, -no-integrated-as)
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else
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# These warnings generated too much noise in a regular build.
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# Use make W=1 to enable them (see scripts/Makefile.extrawarn)
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KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)
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KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable)
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endif
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ifdef CONFIG_FRAME_POINTER
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KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls
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else
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1
scripts/genksyms/.gitignore
vendored
1
scripts/genksyms/.gitignore
vendored
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@ -1,4 +1,3 @@
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*.hash.c
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*.lex.c
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*.tab.c
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*.tab.h
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@ -893,7 +893,10 @@ static enum string_value_kind expr_parse_string(const char *str,
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switch (type) {
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case S_BOOLEAN:
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case S_TRISTATE:
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return k_string;
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val->s = !strcmp(str, "n") ? 0 :
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!strcmp(str, "m") ? 1 :
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!strcmp(str, "y") ? 2 : -1;
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return k_signed;
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case S_INT:
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val->s = strtoll(str, &tail, 10);
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kind = k_signed;
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