[3/4] kbuild: remove unnecessary in-subshell execution
diff mbox series

Message ID 1546244651-10447-3-git-send-email-yamada.masahiro@socionext.com
State New, archived
Headers show
Series
  • [1/4] kbuild: remove redundant target cleaning on failure
Related show

Commit Message

Masahiro Yamada Dec. 31, 2018, 8:24 a.m. UTC
The commands surrounded by ( ) are executed in a subshell, but in
most cases, we do not need to spawn an extra subshell.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

 arch/arm/boot/compressed/Makefile |  4 ++--
 scripts/Makefile.build            |  4 ++--
 scripts/Makefile.lib              | 28 ++++++++++++++--------------
 scripts/mkcompile_h               |  4 ++--
 4 files changed, 20 insertions(+), 20 deletions(-)

Comments

kernel test robot Dec. 31, 2018, 10:21 a.m. UTC | #1
Hi Masahiro,

I love your patch! Yet something to improve:

[auto build test ERROR on kbuild/for-next]
[also build test ERROR on next-20181224]
[cannot apply to v4.20]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Masahiro-Yamada/kbuild-remove-redundant-target-cleaning-on-failure/20181231-162816
base:   https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git for-next
config: i386-randconfig-a1-201852 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

>> /bin/bash: -c: line 0: syntax error near unexpected token `}'
   /bin/bash: -c: line 0: `set -e;  if objdump -h usr/initramfs_data.o | grep -q __ksymtab; then {echo "#include <linux/kernel.h>" ; echo "#include <asm/asm-prototypes.h>" ; gcc-4.9 -E -Wp,-MD,usr/.initramfs_data.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -D__KERNEL__ -D__ASSEMBLY__ -fno-PIE -DCC_HAVE_ASM_GOTO -m32 -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wa,-gdwarf-2 -DCC_USING_FENTRY -DINITRAMFS_IMAGE="usr/initramfs_data.cpio"   usr/initramfs_data.S | grep "\<___EXPORT_SYMBOL\>" | sed 's/.*___EXPORT_SYMBOL[[:space:]]*\([a-zA-Z0-9_]*\)[[:space:]]*,.*/EXPORT_SYMBOL(\1);/'; } | gcc-4.9 -E -D__GENKSYMS__ -Wp,-MD,usr/.initramfs_data.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -include include/linux/compiler_types.h  -Iusr -Iusr -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror-implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -DCC_HAVE_ASM_GOTO -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m32 -msoft-float -mregparm=3 -freg-struct-return -fno-pic -mpreferred-stack-boundary=2 -march=i686 -mtune=pentium2 -mtune=generic -Wa,-mtune=generic32 -ffreestanding -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wno-sign-compare -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -O2 --param=allow-store-data-races=0 -fplugin=./scripts/gcc-plugins/randomize_layout_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DRANDSTRUCT_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -Wframe-larger-than=1024 -fstack-protector -Wno-unused-but-set-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -g -femit-struct-debug-baseonly -fno-var-tracking -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time    -DKBUILD_BASENAME='"initramfs_data"' -DKBUILD_MODNAME='"initramfs_data"' -xc - | scripts/genksyms/genksyms    -r /dev/null > usr/.tmp_initramfs_data.ver; ld -m elf_i386 -r -o usr/.tmp_initramfs_data.o usr/initramfs_data.o -T usr/.tmp_initramfs_data.ver; mv -f usr/.tmp_initramfs_data.o usr/initramfs_data.o; rm -f usr/.tmp_initramfs_data.ver; fi'
--
>> /bin/bash: -c: line 0: syntax error near unexpected token `}'
   /bin/bash: -c: line 0: `set -e;  if objdump -h arch/x86/crypto/twofish-i586-asm_32.o | grep -q __ksymtab; then {echo "#include <linux/kernel.h>" ; echo "#include <asm/asm-prototypes.h>" ; gcc-4.9 -E -Wp,-MD,arch/x86/crypto/.twofish-i586-asm_32.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -D__KERNEL__ -D__ASSEMBLY__ -fno-PIE -DCC_HAVE_ASM_GOTO -m32 -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wa,-gdwarf-2 -DCC_USING_FENTRY   arch/x86/crypto/twofish-i586-asm_32.S | grep "\<___EXPORT_SYMBOL\>" | sed 's/.*___EXPORT_SYMBOL[[:space:]]*\([a-zA-Z0-9_]*\)[[:space:]]*,.*/EXPORT_SYMBOL(\1);/'; } | gcc-4.9 -E -D__GENKSYMS__ -Wp,-MD,arch/x86/crypto/.twofish-i586-asm_32.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -include include/linux/compiler_types.h  -Iarch/x86/crypto -Iarch/x86/crypto -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror-implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -DCC_HAVE_ASM_GOTO -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m32 -msoft-float -mregparm=3 -freg-struct-return -fno-pic -mpreferred-stack-boundary=2 -march=i686 -mtune=pentium2 -mtune=generic -Wa,-mtune=generic32 -ffreestanding -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wno-sign-compare -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -O2 --param=allow-store-data-races=0 -fplugin=./scripts/gcc-plugins/randomize_layout_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DRANDSTRUCT_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -Wframe-larger-than=1024 -fstack-protector -Wno-unused-but-set-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -g -femit-struct-debug-baseonly -fno-var-tracking -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time    -DKBUILD_BASENAME='"twofish_i586_asm_32"' -DKBUILD_MODNAME='"twofish_i586"' -xc - | scripts/genksyms/genksyms    -r /dev/null > arch/x86/crypto/.tmp_twofish-i586-asm_32.ver; ld -m elf_i386 -r -o arch/x86/crypto/.tmp_twofish-i586-asm_32.o arch/x86/crypto/twofish-i586-asm_32.o -T arch/x86/crypto/.tmp_twofish-i586-asm_32.ver; mv -f arch/x86/crypto/.tmp_twofish-i586-asm_32.o arch/x86/crypto/twofish-i586-asm_32.o; rm -f arch/x86/crypto/.tmp_twofish-i586-asm_32.ver; fi'
--
>> /bin/bash: -c: line 0: syntax error near unexpected token `}'
   /bin/bash: -c: line 0: `set -e;  if objdump -h arch/x86/crypto/aes-i586-asm_32.o | grep -q __ksymtab; then {echo "#include <linux/kernel.h>" ; echo "#include <asm/asm-prototypes.h>" ; gcc-4.9 -E -Wp,-MD,arch/x86/crypto/.aes-i586-asm_32.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -D__KERNEL__ -D__ASSEMBLY__ -fno-PIE -DCC_HAVE_ASM_GOTO -m32 -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wa,-gdwarf-2 -DCC_USING_FENTRY -DMODULE  arch/x86/crypto/aes-i586-asm_32.S | grep "\<___EXPORT_SYMBOL\>" | sed 's/.*___EXPORT_SYMBOL[[:space:]]*\([a-zA-Z0-9_]*\)[[:space:]]*,.*/EXPORT_SYMBOL(\1);/'; } | gcc-4.9 -E -D__GENKSYMS__ -Wp,-MD,arch/x86/crypto/.aes-i586-asm_32.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -include include/linux/compiler_types.h  -Iarch/x86/crypto -Iarch/x86/crypto -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror-implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -DCC_HAVE_ASM_GOTO -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m32 -msoft-float -mregparm=3 -freg-struct-return -fno-pic -mpreferred-stack-boundary=2 -march=i686 -mtune=pentium2 -mtune=generic -Wa,-mtune=generic32 -ffreestanding -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wno-sign-compare -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -O2 --param=allow-store-data-races=0 -fplugin=./scripts/gcc-plugins/randomize_layout_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DRANDSTRUCT_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -Wframe-larger-than=1024 -fstack-protector -Wno-unused-but-set-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -g -femit-struct-debug-baseonly -fno-var-tracking -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time  -DMODULE  -DKBUILD_BASENAME='"aes_i586_asm_32"' -DKBUILD_MODNAME='"aes_i586"' -xc - | scripts/genksyms/genksyms    -r /dev/null > arch/x86/crypto/.tmp_aes-i586-asm_32.ver; ld -m elf_i386 -r -o arch/x86/crypto/.tmp_aes-i586-asm_32.o arch/x86/crypto/aes-i586-asm_32.o -T arch/x86/crypto/.tmp_aes-i586-asm_32.ver; mv -f arch/x86/crypto/.tmp_aes-i586-asm_32.o arch/x86/crypto/aes-i586-asm_32.o; rm -f arch/x86/crypto/.tmp_aes-i586-asm_32.ver; fi'
--
>> /bin/bash: -c: line 0: syntax error near unexpected token `}'
   /bin/bash: -c: line 0: `set -e;  if objdump -h arch/x86/crypto/crc32-pclmul_asm.o | grep -q __ksymtab; then {echo "#include <linux/kernel.h>" ; echo "#include <asm/asm-prototypes.h>" ; gcc-4.9 -E -Wp,-MD,arch/x86/crypto/.crc32-pclmul_asm.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -D__KERNEL__ -D__ASSEMBLY__ -fno-PIE -DCC_HAVE_ASM_GOTO -m32 -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wa,-gdwarf-2 -DCC_USING_FENTRY -DMODULE  arch/x86/crypto/crc32-pclmul_asm.S | grep "\<___EXPORT_SYMBOL\>" | sed 's/.*___EXPORT_SYMBOL[[:space:]]*\([a-zA-Z0-9_]*\)[[:space:]]*,.*/EXPORT_SYMBOL(\1);/'; } | gcc-4.9 -E -D__GENKSYMS__ -Wp,-MD,arch/x86/crypto/.crc32-pclmul_asm.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -include include/linux/compiler_types.h  -Iarch/x86/crypto -Iarch/x86/crypto -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror-implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -DCC_HAVE_ASM_GOTO -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m32 -msoft-float -mregparm=3 -freg-struct-return -fno-pic -mpreferred-stack-boundary=2 -march=i686 -mtune=pentium2 -mtune=generic -Wa,-mtune=generic32 -ffreestanding -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wno-sign-compare -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -O2 --param=allow-store-data-races=0 -fplugin=./scripts/gcc-plugins/randomize_layout_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DRANDSTRUCT_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -Wframe-larger-than=1024 -fstack-protector -Wno-unused-but-set-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -g -femit-struct-debug-baseonly -fno-var-tracking -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time  -DMODULE  -DKBUILD_BASENAME='"crc32_pclmul_asm"' -DKBUILD_MODNAME='"crc32_pclmul"' -xc - | scripts/genksyms/genksyms    -r /dev/null > arch/x86/crypto/.tmp_crc32-pclmul_asm.ver; ld -m elf_i386 -r -o arch/x86/crypto/.tmp_crc32-pclmul_asm.o arch/x86/crypto/crc32-pclmul_asm.o -T arch/x86/crypto/.tmp_crc32-pclmul_asm.ver; mv -f arch/x86/crypto/.tmp_crc32-pclmul_asm.o arch/x86/crypto/crc32-pclmul_asm.o; rm -f arch/x86/crypto/.tmp_crc32-pclmul_asm.ver; fi'
--
>> /bin/bash: -c: line 0: syntax error near unexpected token `}'
   /bin/bash: -c: line 0: `set -e;  if objdump -h arch/x86/entry/entry_32.o | grep -q __ksymtab; then {echo "#include <linux/kernel.h>" ; echo "#include <asm/asm-prototypes.h>" ; gcc-4.9 -E -Wp,-MD,arch/x86/entry/.entry_32.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -D__KERNEL__ -D__ASSEMBLY__ -fno-PIE -DCC_HAVE_ASM_GOTO -m32 -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wa,-gdwarf-2 -DCC_USING_FENTRY   arch/x86/entry/entry_32.S | grep "\<___EXPORT_SYMBOL\>" | sed 's/.*___EXPORT_SYMBOL[[:space:]]*\([a-zA-Z0-9_]*\)[[:space:]]*,.*/EXPORT_SYMBOL(\1);/'; } | gcc-4.9 -E -D__GENKSYMS__ -Wp,-MD,arch/x86/entry/.entry_32.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -include include/linux/compiler_types.h  -Iarch/x86/entry -Iarch/x86/entry -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror-implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -DCC_HAVE_ASM_GOTO -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m32 -msoft-float -mregparm=3 -freg-struct-return -fno-pic -mpreferred-stack-boundary=2 -march=i686 -mtune=pentium2 -mtune=generic -Wa,-mtune=generic32 -ffreestanding -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wno-sign-compare -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -O2 --param=allow-store-data-races=0 -fplugin=./scripts/gcc-plugins/randomize_layout_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DRANDSTRUCT_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -Wframe-larger-than=1024 -fstack-protector -Wno-unused-but-set-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -g -femit-struct-debug-baseonly -fno-var-tracking -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time    -DKBUILD_BASENAME='"entry_32"' -DKBUILD_MODNAME='"entry_32"' -xc - | scripts/genksyms/genksyms    -r /dev/null > arch/x86/entry/.tmp_entry_32.ver; ld -m elf_i386 -r -o arch/x86/entry/.tmp_entry_32.o arch/x86/entry/entry_32.o -T arch/x86/entry/.tmp_entry_32.ver; mv -f arch/x86/entry/.tmp_entry_32.o arch/x86/entry/entry_32.o; rm -f arch/x86/entry/.tmp_entry_32.ver; fi'
--
>> /bin/bash: -c: line 0: syntax error near unexpected token `}'
   /bin/bash: -c: line 0: `set -e;  if objdump -h arch/x86/entry/thunk_32.o | grep -q __ksymtab; then {echo "#include <linux/kernel.h>" ; echo "#include <asm/asm-prototypes.h>" ; gcc-4.9 -E -Wp,-MD,arch/x86/entry/.thunk_32.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -D__KERNEL__ -D__ASSEMBLY__ -fno-PIE -DCC_HAVE_ASM_GOTO -m32 -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wa,-gdwarf-2 -DCC_USING_FENTRY   arch/x86/entry/thunk_32.S | grep "\<___EXPORT_SYMBOL\>" | sed 's/.*___EXPORT_SYMBOL[[:space:]]*\([a-zA-Z0-9_]*\)[[:space:]]*,.*/EXPORT_SYMBOL(\1);/'; } | gcc-4.9 -E -D__GENKSYMS__ -Wp,-MD,arch/x86/entry/.thunk_32.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -include include/linux/compiler_types.h  -Iarch/x86/entry -Iarch/x86/entry -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror-implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -DCC_HAVE_ASM_GOTO -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m32 -msoft-float -mregparm=3 -freg-struct-return -fno-pic -mpreferred-stack-boundary=2 -march=i686 -mtune=pentium2 -mtune=generic -Wa,-mtune=generic32 -ffreestanding -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wno-sign-compare -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -O2 --param=allow-store-data-races=0 -fplugin=./scripts/gcc-plugins/randomize_layout_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DRANDSTRUCT_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -Wframe-larger-than=1024 -fstack-protector -Wno-unused-but-set-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -g -femit-struct-debug-baseonly -fno-var-tracking -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time    -DKBUILD_BASENAME='"thunk_32"' -DKBUILD_MODNAME='"thunk_32"' -xc - | scripts/genksyms/genksyms    -r /dev/null > arch/x86/entry/.tmp_thunk_32.ver; ld -m elf_i386 -r -o arch/x86/entry/.tmp_thunk_32.o arch/x86/entry/thunk_32.o -T arch/x86/entry/.tmp_thunk_32.ver; mv -f arch/x86/entry/.tmp_thunk_32.o arch/x86/entry/thunk_32.o; rm -f arch/x86/entry/.tmp_thunk_32.ver; fi'
--
>> /bin/bash: -c: line 0: syntax error near unexpected token `}'
   /bin/bash: -c: line 0: `set -e;  if objdump -h arch/x86/kernel/ftrace_32.o | grep -q __ksymtab; then {echo "#include <linux/kernel.h>" ; echo "#include <asm/asm-prototypes.h>" ; gcc-4.9 -E -Wp,-MD,arch/x86/kernel/.ftrace_32.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -D__KERNEL__ -D__ASSEMBLY__ -fno-PIE -DCC_HAVE_ASM_GOTO -m32 -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wa,-gdwarf-2 -DCC_USING_FENTRY   arch/x86/kernel/ftrace_32.S | grep "\<___EXPORT_SYMBOL\>" | sed 's/.*___EXPORT_SYMBOL[[:space:]]*\([a-zA-Z0-9_]*\)[[:space:]]*,.*/EXPORT_SYMBOL(\1);/'; } | gcc-4.9 -E -D__GENKSYMS__ -Wp,-MD,arch/x86/kernel/.ftrace_32.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -include include/linux/compiler_types.h  -Iarch/x86/kernel -Iarch/x86/kernel -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror-implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -DCC_HAVE_ASM_GOTO -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m32 -msoft-float -mregparm=3 -freg-struct-return -fno-pic -mpreferred-stack-boundary=2 -march=i686 -mtune=pentium2 -mtune=generic -Wa,-mtune=generic32 -ffreestanding -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wno-sign-compare -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -O2 --param=allow-store-data-races=0 -fplugin=./scripts/gcc-plugins/randomize_layout_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DRANDSTRUCT_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -Wframe-larger-than=1024 -fstack-protector -Wno-unused-but-set-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -g -femit-struct-debug-baseonly -fno-var-tracking -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time    -DKBUILD_BASENAME='"ftrace_32"' -DKBUILD_MODNAME='"ftrace_32"' -xc - | scripts/genksyms/genksyms    -r /dev/null > arch/x86/kernel/.tmp_ftrace_32.ver; ld -m elf_i386 -r -o arch/x86/kernel/.tmp_ftrace_32.o arch/x86/kernel/ftrace_32.o -T arch/x86/kernel/.tmp_ftrace_32.ver; mv -f arch/x86/kernel/.tmp_ftrace_32.o arch/x86/kernel/ftrace_32.o; rm -f arch/x86/kernel/.tmp_ftrace_32.ver; fi'
--
>> /bin/bash: -c: line 0: syntax error near unexpected token `}'
   /bin/bash: -c: line 0: `set -e;  if objdump -h arch/x86/kernel/irqflags.o | grep -q __ksymtab; then {echo "#include <linux/kernel.h>" ; echo "#include <asm/asm-prototypes.h>" ; gcc-4.9 -E -Wp,-MD,arch/x86/kernel/.irqflags.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -D__KERNEL__ -D__ASSEMBLY__ -fno-PIE -DCC_HAVE_ASM_GOTO -m32 -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wa,-gdwarf-2 -DCC_USING_FENTRY   arch/x86/kernel/irqflags.S | grep "\<___EXPORT_SYMBOL\>" | sed 's/.*___EXPORT_SYMBOL[[:space:]]*\([a-zA-Z0-9_]*\)[[:space:]]*,.*/EXPORT_SYMBOL(\1);/'; } | gcc-4.9 -E -D__GENKSYMS__ -Wp,-MD,arch/x86/kernel/.irqflags.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -include include/linux/compiler_types.h  -Iarch/x86/kernel -Iarch/x86/kernel -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror-implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -DCC_HAVE_ASM_GOTO -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m32 -msoft-float -mregparm=3 -freg-struct-return -fno-pic -mpreferred-stack-boundary=2 -march=i686 -mtune=pentium2 -mtune=generic -Wa,-mtune=generic32 -ffreestanding -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wno-sign-compare -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -O2 --param=allow-store-data-races=0 -fplugin=./scripts/gcc-plugins/randomize_layout_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DRANDSTRUCT_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -Wframe-larger-than=1024 -fstack-protector -Wno-unused-but-set-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -g -femit-struct-debug-baseonly -fno-var-tracking -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time    -DKBUILD_BASENAME='"irqflags"' -DKBUILD_MODNAME='"irqflags"' -xc - | scripts/genksyms/genksyms    -r /dev/null > arch/x86/kernel/.tmp_irqflags.ver; ld -m elf_i386 -r -o arch/x86/kernel/.tmp_irqflags.o arch/x86/kernel/irqflags.o -T arch/x86/kernel/.tmp_irqflags.ver; mv -f arch/x86/kernel/.tmp_irqflags.o arch/x86/kernel/irqflags.o; rm -f arch/x86/kernel/.tmp_irqflags.ver; fi'
--
>> /bin/bash: -c: line 0: syntax error near unexpected token `}'
   /bin/bash: -c: line 0: `set -e;  if objdump -h arch/x86/kernel/head_32.o | grep -q __ksymtab; then {echo "#include <linux/kernel.h>" ; echo "#include <asm/asm-prototypes.h>" ; gcc-4.9 -E -Wp,-MD,arch/x86/kernel/.head_32.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -D__KERNEL__ -D__ASSEMBLY__ -fno-PIE -DCC_HAVE_ASM_GOTO -m32 -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wa,-gdwarf-2 -DCC_USING_FENTRY   arch/x86/kernel/head_32.S | grep "\<___EXPORT_SYMBOL\>" | sed 's/.*___EXPORT_SYMBOL[[:space:]]*\([a-zA-Z0-9_]*\)[[:space:]]*,.*/EXPORT_SYMBOL(\1);/'; } | gcc-4.9 -E -D__GENKSYMS__ -Wp,-MD,arch/x86/kernel/.head_32.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -include include/linux/compiler_types.h  -Iarch/x86/kernel -Iarch/x86/kernel -D__KERNEL__ -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror-implicit-function-declaration -Werror=implicit-int -Wno-format-security -std=gnu89 -DCC_HAVE_ASM_GOTO -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx -m32 -msoft-float -mregparm=3 -freg-struct-return -fno-pic -mpreferred-stack-boundary=2 -march=i686 -mtune=pentium2 -mtune=generic -Wa,-mtune=generic32 -ffreestanding -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_AVX512=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wno-sign-compare -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -O2 --param=allow-store-data-races=0 -fplugin=./scripts/gcc-plugins/randomize_layout_plugin.so -fplugin=./scripts/gcc-plugins/stackleak_plugin.so -DRANDSTRUCT_PLUGIN -DSTACKLEAK_PLUGIN -fplugin-arg-stackleak_plugin-track-min-size=100 -Wframe-larger-than=1024 -fstack-protector -Wno-unused-but-set-variable -fno-omit-frame-pointer -fno-optimize-sibling-calls -fno-var-tracking-assignments -g -femit-struct-debug-baseonly -fno-var-tracking -pg -mfentry -DCC_USING_FENTRY -fno-inline-functions-called-once -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -fno-strict-overflow -fno-merge-all-constants -fmerge-constants -fno-stack-check -fconserve-stack -Werror=date-time    -DKBUILD_BASENAME='"head_32"' -DKBUILD_MODNAME='"head_32"' -xc - | scripts/genksyms/genksyms    -r /dev/null > arch/x86/kernel/.tmp_head_32.ver; ld -m elf_i386 -r -o arch/x86/kernel/.tmp_head_32.o arch/x86/kernel/head_32.o -T arch/x86/kernel/.tmp_head_32.ver; mv -f arch/x86/kernel/.tmp_head_32.o arch/x86/kernel/head_32.o; rm -f arch/x86/kernel/.tmp_head_32.ver; fi'
--
>> /bin/bash: -c: line 0: syntax error near unexpected token `}'
   /bin/bash: -c: line 0: `set -e;  if objdump -h arch/x86/realmode/rm/header.o | grep -q __ksymtab; then {echo "#include <linux/kernel.h>" ; echo "#include <asm/asm-prototypes.h>" ; gcc-4.9 -E -Wp,-MD,arch/x86/realmode/rm/.header.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -D__KERNEL__ -m16 -g -Os -DDISABLE_BRANCH_PROFILING -Wall -Wstrict-prototypes -march=i386 -mregparm=3 -fno-strict-aliasing -fomit-frame-pointer -fno-pic -mno-mmx -mno-sse -ffreestanding -fno-stack-protector -mpreferred-stack-boundary=2 -D_SETUP -D_WAKEUP  -Iarch/x86/boot -D__ASSEMBLY__   arch/x86/realmode/rm/header.S | grep "\<___EXPORT_SYMBOL\>" | sed 's/.*___EXPORT_SYMBOL[[:space:]]*\([a-zA-Z0-9_]*\)[[:space:]]*,.*/EXPORT_SYMBOL(\1);/'; } | gcc-4.9 -E -D__GENKSYMS__ -Wp,-MD,arch/x86/realmode/rm/.header.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -include include/linux/compiler_types.h  -Iarch/x86/realmode/rm -Iarch/x86/realmode/rm -D__KERNEL__ -m16 -g -Os -DDISABLE_BRANCH_PROFILING -Wall -Wstrict-prototypes -march=i386 -mregparm=3 -fno-strict-aliasing -fomit-frame-pointer -fno-pic -mno-mmx -mno-sse -ffreestanding -fno-stack-protector -mpreferred-stack-boundary=2 -D_SETUP -D_WAKEUP  -Iarch/x86/boot    -DKBUILD_BASENAME='"header"' -DKBUILD_MODNAME='"header"' -xc - | scripts/genksyms/genksyms    -r /dev/null > arch/x86/realmode/rm/.tmp_header.ver; ld -m elf_i386 -r -o arch/x86/realmode/rm/.tmp_header.o arch/x86/realmode/rm/header.o -T arch/x86/realmode/rm/.tmp_header.ver; mv -f arch/x86/realmode/rm/.tmp_header.o arch/x86/realmode/rm/header.o; rm -f arch/x86/realmode/rm/.tmp_header.ver; fi'
--
>> /bin/bash: -c: line 0: syntax error near unexpected token `}'
   /bin/bash: -c: line 0: `set -e;  if objdump -h arch/x86/realmode/rm/trampoline_32.o | grep -q __ksymtab; then {echo "#include <linux/kernel.h>" ; echo "#include <asm/asm-prototypes.h>" ; gcc-4.9 -E -Wp,-MD,arch/x86/realmode/rm/.trampoline_32.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -D__KERNEL__ -m16 -g -Os -DDISABLE_BRANCH_PROFILING -Wall -Wstrict-prototypes -march=i386 -mregparm=3 -fno-strict-aliasing -fomit-frame-pointer -fno-pic -mno-mmx -mno-sse -ffreestanding -fno-stack-protector -mpreferred-stack-boundary=2 -D_SETUP -D_WAKEUP  -Iarch/x86/boot -D__ASSEMBLY__   arch/x86/realmode/rm/trampoline_32.S | grep "\<___EXPORT_SYMBOL\>" | sed 's/.*___EXPORT_SYMBOL[[:space:]]*\([a-zA-Z0-9_]*\)[[:space:]]*,.*/EXPORT_SYMBOL(\1);/'; } | gcc-4.9 -E -D__GENKSYMS__ -Wp,-MD,arch/x86/realmode/rm/.trampoline_32.o.d  -nostdinc -isystem /usr/lib/gcc/x86_64-linux-gnu/4.9/include -Iarch/x86/include -I./arch/x86/include/generated  -Iinclude -I./include -Iarch/x86/include/uapi -I./arch/x86/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/kconfig.h -include include/linux/compiler_types.h  -Iarch/x86/realmode/rm -Iarch/x86/realmode/rm -D__KERNEL__ -m16 -g -Os -DDISABLE_BRANCH_PROFILING -Wall -Wstrict-prototypes -march=i386 -mregparm=3 -fno-strict-aliasing -fomit-frame-pointer -fno-pic -mno-mmx -mno-sse -ffreestanding -fno-stack-protector -mpreferred-stack-boundary=2 -D_SETUP -D_WAKEUP  -Iarch/x86/boot    -DKBUILD_BASENAME='"trampoline_32"' -DKBUILD_MODNAME='"trampoline_32"' -xc - | scripts/genksyms/genksyms    -r /dev/null > arch/x86/realmode/rm/.tmp_trampoline_32.ver; ld -m elf_i386 -r -o arch/x86/realmode/rm/.tmp_trampoline_32.o arch/x86/realmode/rm/trampoline_32.o -T arch/x86/realmode/rm/.tmp_trampoline_32.ver; mv -f arch/x86/realmode/rm/.tmp_trampoline_32.o arch/x86/realmode/rm/trampoline_32.o; rm -f arch/x86/realmode/rm/.tmp_trampoline_32.ver; fi'
..

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
kernel test robot Dec. 31, 2018, 10:52 a.m. UTC | #2
Hi Masahiro,

I love your patch! Yet something to improve:

[auto build test ERROR on kbuild/for-next]
[also build test ERROR on next-20181224]
[cannot apply to v4.20]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Masahiro-Yamada/kbuild-remove-redundant-target-cleaning-on-failure/20181231-162816
base:   https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git for-next
config: x86_64-randconfig-r0-12311638 (attached as .config)
compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Patch
diff mbox series

diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 6114ae6..6fe29c4 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -169,8 +169,8 @@  $(obj)/bswapsdi2.S: $(srctree)/arch/$(SRCARCH)/lib/bswapsdi2.S
 check_for_bad_syms = \
 bad_syms=$$($(CROSS_COMPILE)nm $@ | sed -n 's/^.\{8\} [bc] \(.*\)/\1/p') && \
 [ -z "$$bad_syms" ] || \
-  ( echo "following symbols must have non local/private scope:" >&2; \
-    echo "$$bad_syms" >&2; false )
+  { echo "following symbols must have non local/private scope:" >&2; \
+    echo "$$bad_syms" >&2; false; }
 
 check_for_multiple_zreladdr = \
 if [ $(words $(ZRELADDR)) -gt 1 -a "$(CONFIG_AUTO_ZRELADDR)" = "" ]; then \
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index fd03d60..0a44863 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -312,11 +312,11 @@  $(real-obj-m:.o=.s): modkern_aflags := $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE)
 #
 # These mirror gensymtypes_c and co above, keep them in synch.
 cmd_gensymtypes_S =                                                         \
-    (echo "\#include <linux/kernel.h>" ;                                    \
+    {echo "\#include <linux/kernel.h>" ;                                    \
      echo "\#include <asm/asm-prototypes.h>" ;                              \
     $(CPP) $(a_flags) $< |                                                  \
      grep "\<___EXPORT_SYMBOL\>" |                                          \
-     sed 's/.*___EXPORT_SYMBOL[[:space:]]*\([a-zA-Z0-9_]*\)[[:space:]]*,.*/EXPORT_SYMBOL(\1);/' ) | \
+     sed 's/.*___EXPORT_SYMBOL[[:space:]]*\([a-zA-Z0-9_]*\)[[:space:]]*,.*/EXPORT_SYMBOL(\1);/'; } | \
     $(CPP) -D__GENKSYMS__ $(c_flags) -xc - |                                \
     $(GENKSYMS) $(if $(1), -T $(2))                                         \
      $(patsubst y,-R,$(CONFIG_MODULE_REL_CRCS))                             \
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 12b88d0..b44ae6c 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -270,7 +270,7 @@  DTC_FLAGS += $(DTC_FLAGS_$(basetarget))
 # Generate an assembly file to wrap the output of the device tree compiler
 quiet_cmd_dt_S_dtb= DTB     $@
 cmd_dt_S_dtb=						\
-(							\
+{							\
 	echo '\#include <asm-generic/vmlinux.lds.h>'; 	\
 	echo '.section .dtb.init.rodata,"a"';		\
 	echo '.balign STRUCT_ALIGNMENT';		\
@@ -280,7 +280,7 @@  cmd_dt_S_dtb=						\
 	echo '__dtb_$(subst -,_,$(*F))_end:';		\
 	echo '.global __dtb_$(subst -,_,$(*F))_end';	\
 	echo '.balign STRUCT_ALIGNMENT'; 		\
-) > $@
+} > $@
 
 $(obj)/%.dtb.S: $(obj)/%.dtb FORCE
 	$(call if_changed,dt_S_dtb)
@@ -334,23 +334,23 @@  printf "%08x\n" $$dec_size |						\
 )
 
 quiet_cmd_bzip2 = BZIP2   $@
-cmd_bzip2 = (cat $(filter-out FORCE,$^) | \
-	bzip2 -9 && $(call size_append, $(filter-out FORCE,$^))) > $@
+      cmd_bzip2 = cat $(filter-out FORCE,$^) | \
+	bzip2 -9 && $(call size_append, $(filter-out FORCE,$^)) > $@
 
 # Lzma
 # ---------------------------------------------------------------------------
 
 quiet_cmd_lzma = LZMA    $@
-cmd_lzma = (cat $(filter-out FORCE,$^) | \
-	lzma -9 && $(call size_append, $(filter-out FORCE,$^))) > $@
+      cmd_lzma = cat $(filter-out FORCE,$^) | \
+	lzma -9 && $(call size_append, $(filter-out FORCE,$^)) > $@
 
 quiet_cmd_lzo = LZO     $@
-cmd_lzo = (cat $(filter-out FORCE,$^) | \
-	lzop -9 && $(call size_append, $(filter-out FORCE,$^))) > $@
+      cmd_lzo = cat $(filter-out FORCE,$^) | \
+	lzop -9 && $(call size_append, $(filter-out FORCE,$^)) > $@
 
 quiet_cmd_lz4 = LZ4     $@
-cmd_lz4 = (cat $(filter-out FORCE,$^) | \
-	lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@
+      cmd_lz4 = cat $(filter-out FORCE,$^) | \
+	lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^)) > $@
 
 # U-Boot mkimage
 # ---------------------------------------------------------------------------
@@ -392,13 +392,13 @@  quiet_cmd_uimage = UIMAGE  $@
 # big dictionary would increase the memory usage too much in the multi-call
 # decompression mode. A BCJ filter isn't used either.
 quiet_cmd_xzkern = XZKERN  $@
-cmd_xzkern = (cat $(filter-out FORCE,$^) | \
+      cmd_xzkern = cat $(filter-out FORCE,$^) | \
 	sh $(srctree)/scripts/xz_wrap.sh && \
-	$(call size_append, $(filter-out FORCE,$^))) > $@
+	$(call size_append, $(filter-out FORCE,$^)) > $@
 
 quiet_cmd_xzmisc = XZMISC  $@
-cmd_xzmisc = (cat $(filter-out FORCE,$^) | \
-	xz --check=crc32 --lzma2=dict=1MiB) > $@
+      cmd_xzmisc = cat $(filter-out FORCE,$^) | \
+	xz --check=crc32 --lzma2=dict=1MiB > $@
 
 # ASM offsets
 # ---------------------------------------------------------------------------
diff --git a/scripts/mkcompile_h b/scripts/mkcompile_h
index 87f1fc9..2339f86 100755
--- a/scripts/mkcompile_h
+++ b/scripts/mkcompile_h
@@ -62,7 +62,7 @@  UTS_TRUNCATE="cut -b -$UTS_LEN"
 
 # Generate a temporary compile.h
 
-( echo /\* This file is auto generated, version $VERSION \*/
+{ echo /\* This file is auto generated, version $VERSION \*/
   if [ -n "$CONFIG_FLAGS" ] ; then echo "/* $CONFIG_FLAGS */"; fi
 
   echo \#define UTS_MACHINE \"$ARCH\"
@@ -73,7 +73,7 @@  UTS_TRUNCATE="cut -b -$UTS_LEN"
   echo \#define LINUX_COMPILE_HOST \"`echo $LINUX_COMPILE_HOST | $UTS_TRUNCATE`\"
 
   echo \#define LINUX_COMPILER \"`$CC -v 2>&1 | grep ' version ' | sed 's/[[:space:]]*$//'`\"
-) > .tmpcompile
+} > .tmpcompile
 
 # Only replace the real compile.h if the new one is different,
 # in order to preserve the timestamp and avoid unnecessary