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2a61f4747e
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Masahiro Yamada 2a61f4747e stack-protector: test compiler capability in Kconfig and drop AUTO mode 
Move the test for -fstack-protector(-strong) option to Kconfig.

If the compiler does not support the option, the corresponding menu
is automatically hidden.  If STRONG is not supported, it will fall
back to REGULAR.  If REGULAR is not supported, it will be disabled.
This means, AUTO is implicitly handled by the dependency solver of
Kconfig, hence removed.

I also turned the 'choice' into only two boolean symbols.  The use of
'choice' is not a good idea here, because all of all{yes,mod,no}config
would choose the first visible value, while we want allnoconfig to
disable as many features as possible.

X86 has additional shell scripts in case the compiler supports those
options, but generates broken code.  I added CC_HAS_SANE_STACKPROTECTOR
to test this.  I had to add -m32 to gcc-x86_32-has-stack-protector.sh
to make it work correctly.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Kees Cook <keescook@chromium.org>
2018-06-08 18:56:00 +09:00
..
basic fixdep: suppress consecutive / from file paths in dependency list files 2018-05-07 21:40:39 +09:00
coccinelle Kbuild updates for v4.18 2018-06-06 11:00:15 -07:00
dtc dtc: checks: drop warning for missing PCI bridge bus-range 2018-04-24 07:47:40 -05:00
gcc-plugins security: convert security hooks to use hlist 2018-03-31 13:18:27 +11:00
gdb scripts/gdb/linux/tasks.py: fix get_thread_info 2018-01-19 10:09:41 -08:00
genksyms genksyms: remove symbol prefix support 2018-05-17 22:43:35 +09:00
kconfig kconfig: Avoid format overflow warning from GCC 8.1 2018-06-05 22:07:21 +09:00
ksymoops Fix dead URLs to ftp.kernel.org 2017-03-28 16:16:52 +02:00
mod Kbuild updates for v4.18 2018-06-06 11:00:15 -07:00
package kbuild: deb-pkg improve maintainer address generation 2018-05-17 22:38:15 +09:00
selinux Kbuild updates for v4.15 2017-11-17 17:45:29 -08:00
tracing License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
.gitignore Docs: clean up some DocBook loose ends 2017-06-23 14:17:38 -06:00
adjust_autoksyms.sh kbuild: remove CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX 2018-05-17 22:44:57 +09:00
asn1_compiler.c kbuild: rename *-asn1.[ch] to *.asn1.[ch] 2018-04-07 19:04:02 +09:00
bloat-o-meter syscalls/core, syscalls/x86: Clean up compat syscall stub naming convention 2018-04-09 16:47:28 +02:00
bootgraph.pl scripts: Switch to more portable Perl shebang 2017-05-14 11:20:44 +09:00
bpf_helpers_doc.py bpf: change eBPF helper doc parsing script to allow for smaller indent 2018-05-17 17:34:43 +02:00
cc-can-link.sh bpfilter: switch to CC from HOSTCC 2018-06-05 10:21:18 -04:00
check_00index.sh License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
check_extable.sh License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
checkincludes.pl License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
checkkconfigsymbols.py checkkconfigsymbols.py: support Kconfig's 'imply' statement 2017-02-03 11:49:06 +01:00
checkpatch.pl Kbuild updates for v4.18 2018-06-06 11:00:15 -07:00
checkstack.pl scripts/checkstack.pl: remove blackfin support 2018-03-26 15:56:15 +02:00
checksyscalls.sh License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
checkversion.pl License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
clang-version.sh kbuild: add clang-version.sh 2018-03-26 02:01:18 +09:00
cleanfile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cleanpatch License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
coccicheck Coccinelle: coccicheck: fix typo 2018-02-02 00:21:47 +09:00
config License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
conmakehash.c kbuild: trivial - remove trailing spaces 2014-04-30 17:34:32 +02:00
const_structs.checkpatch const_structs.checkpatch: add frequently used from Julia Lawall's list 2016-10-11 15:06:30 -07:00
decode_stacktrace.sh License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
decodecode scripts/decodecode: make it take multiline Code line 2018-01-31 17:18:34 -08:00
depmod.sh depmod.sh: remove symbol prefix support 2018-05-17 22:44:52 +09:00
diffconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
documentation-file-ref-check scripts/documentation-file-ref-check: rewrite it in perl with auto-fix mode 2018-05-10 15:42:43 -06:00
export_report.pl scripts: Switch to more portable Perl shebang 2017-05-14 11:20:44 +09:00
extract_xc3028.pl MAINTAINERS & files: Canonize the e-mails I use at files 2018-05-04 06:21:06 -04:00
extract-cert.c KEYS: Remove unnecessary header #inclusions from extract-cert.c 2015-09-25 16:31:45 +01:00
extract-ikconfig scripts/extract-ikconfig: Support LZ4-compressed images. 2015-04-15 14:01:12 +02:00
extract-module-sig.pl License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
extract-sys-certs.pl License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
extract-vmlinux
faddr2line scripts/faddr2line: make the new code listing format optional 2018-06-05 09:04:37 -07:00
file-size.sh kbuild: Use ls(1) instead of stat(1) to obtain file size 2018-03-26 02:01:24 +09:00
find-unused-docs.sh scripts: Add a script to find unused documentation 2017-10-23 08:01:37 -06:00
gcc-goto.sh License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
gcc-ld License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
gcc-plugin.sh License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
gcc-version.sh License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
gcc-x86_32-has-stack-protector.sh stack-protector: test compiler capability in Kconfig and drop AUTO mode 2018-06-08 18:56:00 +09:00
gcc-x86_64-has-stack-protector.sh stack-protector: test compiler capability in Kconfig and drop AUTO mode 2018-06-08 18:56:00 +09:00
gen_initramfs_list.sh kbuild: Improve portability of some sed invocations 2018-03-26 02:01:18 +09:00
get_dvb_firmware scripts: Switch to more portable Perl shebang 2017-05-14 11:20:44 +09:00
get_maintainer.pl get_maintainer: add more --self-test options 2017-11-17 16:10:01 -08:00
gfp-translate
headerdep.pl License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
headers_check.pl License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
headers_install.sh kbuild: Improve portability of some sed invocations 2018-03-26 02:01:18 +09:00
headers.sh License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
insert-sys-cert.c KEYS: Reserve an extra certificate symbol for inserting without recompiling 2016-02-26 15:30:20 +00:00
kallsyms.c scripts: Fixed printf format mismatch 2018-05-29 22:04:12 +09:00
Kbuild.include kbuild: remove kbuild cache 2018-05-29 03:28:58 +09:00
Kconfig.include kconfig: add basic helper macros to scripts/Kconfig.include 2018-05-29 03:31:19 +09:00
kernel-doc docs: kernel-doc: fix parsing of arrays 2018-03-29 15:27:42 -06:00
ld-version.sh License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
leaking_addresses.pl leaking_addresses: check if file name contains address 2018-04-07 08:50:34 +10:00
Lindent License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
link-vmlinux.sh kallsyms: remove symbol prefix support 2018-05-17 22:43:36 +09:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile.asm-generic Kbuild updates for v4.15 2017-11-17 17:45:29 -08:00
Makefile.build One new feature was added to ftrace, which is the trace_marker now supports 2018-06-06 16:39:18 -07:00
Makefile.clean License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile.dtbinst DeviceTree for 4.15: 2017-11-14 18:25:40 -08:00
Makefile.extrawarn Kbuild: suppress packed-not-aligned warning for default setting only 2018-01-18 09:37:53 +09:00
Makefile.gcc-plugins gcc-plugins: fix build condition of SANCOV plugin 2018-05-05 10:24:52 +09:00
Makefile.headersinst Kbuild updates for v4.15 2017-11-17 17:45:29 -08:00
Makefile.host kbuild: use HOSTLDFLAGS for single .c executables 2018-04-07 19:04:02 +09:00
Makefile.kasan kasan: rework Kconfig settings 2018-02-06 18:32:47 -08:00
Makefile.kcov Makefile: support flag -fsanitizer-coverage=trace-cmp 2017-11-17 16:10:04 -08:00
Makefile.lib kbuild: replace hardcoded bison in cmd_bison_h with $(YACC) 2018-05-05 10:24:52 +09:00
Makefile.modbuiltin License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile.modinst License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile.modpost Kbuild updates for v4.15 2017-11-17 17:45:29 -08:00
Makefile.modsign License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile.ubsan lib/ubsan: remove returns-nonnull-attribute checks 2018-02-06 18:32:46 -08:00
makelst License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
markup_oops.pl scripts: Switch to more portable Perl shebang 2017-05-14 11:20:44 +09:00
mkcompile_h Kbuild updates for v4.15 2017-11-17 17:45:29 -08:00
mkmakefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mksysmap mksysmap: Add h8300 local symbol pattern 2015-06-23 13:35:47 +09:00
mkuboot.sh License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
module-common.lds module: set .init_array alignment to 8 2017-03-13 09:40:28 -07:00
namespace.pl kbuild: rename built-in.o to built-in.a 2018-03-26 02:01:19 +09:00
objdiff scripts: objdiff: Ignore debug info when comparing 2017-03-11 11:13:38 +09:00
parse-maintainers.pl parse-maintainers: add ability to specify filenames 2017-11-17 16:10:01 -08:00
patch-kernel License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pnmtologo.c kbuild: trivial - remove trailing empty lines 2014-06-10 00:04:06 +02:00
profile2linkerlist.pl License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
prune-kernel License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
recordmcount.c scripts: Fixed printf format mismatch 2018-05-29 22:04:12 +09:00
recordmcount.h scripts: Fixed printf format mismatch 2018-05-29 22:04:12 +09:00
recordmcount.pl powerpc/kbuild: Use flags variables rather than overriding LD/CC/AS 2018-06-01 23:08:09 +10:00
setlocalversion License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
show_delta kbuild: trivial - remove trailing empty lines 2014-06-10 00:04:06 +02:00
sign-file.c sign-file: fix build error in sign-file.c with libressl 2017-02-10 12:43:47 +11:00
sortextable.c powerpc: Build-time sort the exception table 2016-11-14 11:11:51 +11:00
sortextable.h scripts/sortextable: suppress warning: `relocs_size' may be used uninitialized 2014-10-14 02:18:23 +02:00
spdxcheck.py scripts: Add SPDX checker script 2018-04-27 16:45:49 -06:00
spelling.txt spelling.txt: add "unnecessary" typo variants 2017-11-17 16:10:00 -08:00
sphinx-pre-install docs-rst: don't require adjustbox anymore 2017-09-08 10:02:55 -06:00
split-man.pl MAINTAINERS & files: Canonize the e-mails I use at files 2018-05-04 06:21:06 -04:00
stackdelta License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
stackusage License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tags.sh scripts/tags.sh: use find for $ALLSOURCE_ARCHS generation 2018-05-22 23:00:24 +09:00
unifdef.c
ver_linux ver_linux: Drop redundant calls to system() to test if file is readable 2018-05-14 16:36:39 +02:00
xen-hypercalls.sh License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xz_wrap.sh kbuild: Make scripts executable 2014-08-20 16:03:45 +02:00