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746b25b1aa
- Support 'make compile_commands.json' to generate the compilation
database more easily, avoiding stale entries
- Support 'make clang-analyzer' and 'make clang-tidy' for static checks
using clang-tidy
- Preprocess scripts/modules.lds.S to allow CONFIG options in the module
linker script
- Drop cc-option tests from compiler flags supported by our minimal
GCC/Clang versions
- Use always 12-digits commit hash for CONFIG_LOCALVERSION_AUTO=y
- Use sha1 build id for both BFD linker and LLD
- Improve deb-pkg for reproducible builds and rootless builds
- Remove stale, useless scripts/namespace.pl
- Turn -Wreturn-type warning into error
- Fix build error of deb-pkg when CONFIG_MODULES=n
- Replace 'hostname' command with more portable 'uname -n'
- Various Makefile cleanups
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Merge tag 'kbuild-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Support 'make compile_commands.json' to generate the compilation
database more easily, avoiding stale entries
- Support 'make clang-analyzer' and 'make clang-tidy' for static checks
using clang-tidy
- Preprocess scripts/modules.lds.S to allow CONFIG options in the
module linker script
- Drop cc-option tests from compiler flags supported by our minimal
GCC/Clang versions
- Use always 12-digits commit hash for CONFIG_LOCALVERSION_AUTO=y
- Use sha1 build id for both BFD linker and LLD
- Improve deb-pkg for reproducible builds and rootless builds
- Remove stale, useless scripts/namespace.pl
- Turn -Wreturn-type warning into error
- Fix build error of deb-pkg when CONFIG_MODULES=n
- Replace 'hostname' command with more portable 'uname -n'
- Various Makefile cleanups
* tag 'kbuild-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (34 commits)
kbuild: Use uname for LINUX_COMPILE_HOST detection
kbuild: Only add -fno-var-tracking-assignments for old GCC versions
kbuild: remove leftover comment for filechk utility
treewide: remove DISABLE_LTO
kbuild: deb-pkg: clean up package name variables
kbuild: deb-pkg: do not build linux-headers package if CONFIG_MODULES=n
kbuild: enforce -Werror=return-type
scripts: remove namespace.pl
builddeb: Add support for all required debian/rules targets
builddeb: Enable rootless builds
builddeb: Pass -n to gzip for reproducible packages
kbuild: split the build log of kallsyms
kbuild: explicitly specify the build id style
scripts/setlocalversion: make git describe output more reliable
kbuild: remove cc-option test of -Werror=date-time
kbuild: remove cc-option test of -fno-stack-check
kbuild: remove cc-option test of -fno-strict-overflow
kbuild: move CFLAGS_{KASAN,UBSAN,KCSAN} exports to relevant Makefiles
kbuild: remove redundant CONFIG_KASAN check from scripts/Makefile.kasan
kbuild: do not create built-in objects for external module builds
...
38 lines
1.2 KiB
Makefile
38 lines
1.2 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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export CFLAGS_UBSAN :=
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ifdef CONFIG_UBSAN_ALIGNMENT
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CFLAGS_UBSAN += $(call cc-option, -fsanitize=alignment)
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endif
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ifdef CONFIG_UBSAN_BOUNDS
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ifdef CONFIG_CC_IS_CLANG
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CFLAGS_UBSAN += -fsanitize=array-bounds
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else
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CFLAGS_UBSAN += $(call cc-option, -fsanitize=bounds)
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endif
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endif
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ifdef CONFIG_UBSAN_LOCAL_BOUNDS
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CFLAGS_UBSAN += -fsanitize=local-bounds
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endif
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ifdef CONFIG_UBSAN_MISC
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CFLAGS_UBSAN += $(call cc-option, -fsanitize=shift)
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CFLAGS_UBSAN += $(call cc-option, -fsanitize=integer-divide-by-zero)
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CFLAGS_UBSAN += $(call cc-option, -fsanitize=unreachable)
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CFLAGS_UBSAN += $(call cc-option, -fsanitize=signed-integer-overflow)
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CFLAGS_UBSAN += $(call cc-option, -fsanitize=object-size)
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CFLAGS_UBSAN += $(call cc-option, -fsanitize=bool)
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CFLAGS_UBSAN += $(call cc-option, -fsanitize=enum)
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endif
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ifdef CONFIG_UBSAN_TRAP
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CFLAGS_UBSAN += $(call cc-option, -fsanitize-undefined-trap-on-error)
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endif
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# -fsanitize=* options makes GCC less smart than usual and
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# increase number of 'maybe-uninitialized false-positives
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CFLAGS_UBSAN += $(call cc-option, -Wno-maybe-uninitialized)
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