While building Linux next-20210524 tag with gcc 7.x the following warnings and errors were noticed.

build log: ------------ HOSTLD scripts/mod/modpost CC kernel/bounds.s CALL /srv/oe/build/tmp-lkft-glibc/work-shared/intel-corei7-64/kernel-source/scripts/atomic/check-atomics.sh UPD include/generated/bounds.h UPD include/generated/timeconst.h CC arch/x86/kernel/asm-offsets.s In file included from /srv/oe/build/tmp-lkft-glibc/work-shared/intel-corei7-64/kernel-source/arch/x86/include/asm/unistd.h:20:0, from /srv/oe/build/tmp-lkft-glibc/work-shared/intel-corei7-64/kernel-source/arch/x86/include/asm/seccomp.h:5, from /srv/oe/build/tmp-lkft-glibc/work-shared/intel-corei7-64/kernel-source/include/linux/seccomp.h:21, from /srv/oe/build/tmp-lkft-glibc/work-shared/intel-corei7-64/kernel-source/include/linux/sched.h:21, from /srv/oe/build/tmp-lkft-glibc/work-shared/intel-corei7-64/kernel-source/arch/x86/kernel/asm-offsets.c:10: ./arch/x86/include/generated/uapi/asm/unistd_64.h:4:14: warning: missing whitespace after the macro name #define __NR_/usrread 0 ^ ./arch/x86/include/generated/uapi/asm/unistd_64.h:5:14: warning: missing whitespace after the macro name #define __NR_/usrwrite 1 ^ ./arch/x86/include/generated/uapi/asm/unistd_64.h:5:0: warning: "__NR_" redefined #define __NR_/usrwrite 1

./arch/x86/include/generated/uapi/asm/unistd_64.h:4:0: note: this is the location of the previous definition #define __NR_/usrread 0

./arch/x86/include/generated/uapi/asm/unistd_64.h:6:14: warning: missing whitespace after the macro name #define __NR_/usropen 2 ^ ./arch/x86/include/generated/uapi/asm/unistd_64.h:6:0: warning: "__NR_" redefined #define __NR_/usropen 2

./arch/x86/include/generated/uapi/asm/unistd_64.h:5:0: note: this is the location of the previous definition #define __NR_/usrwrite 1

./arch/x86/include/generated/uapi/asm/unistd_64.h:7:14: warning: missing whitespace after the macro name #define __NR_/usrclose 3 ^ ./arch/x86/include/generated/uapi/asm/unistd_64.h:7:0: warning: "__NR_" redefined #define __NR_/usrclose 3

./arch/x86/include/generated/uapi/asm/unistd_64.h:6:0: note: this is the location of the previous definition #define __NR_/usropen 2

./arch/x86/include/generated/uapi/asm/unistd_64.h:8:14: warning: missing whitespace after the macro name #define __NR_/usrstat 4 ^ ./arch/x86/include/generated/uapi/asm/unistd_64.h:8:0: warning: "__NR_" redefined #define __NR_/usrstat 4

./arch/x86/include/generated/uapi/asm/unistd_64.h:7:0: note: this is the location of the previous definition #define __NR_/usrclose 3

./arch/x86/include/generated/uapi/asm/unistd_64.h:9:14: warning: missing whitespace after the macro name #define __NR_/usrfstat 5 ^ ./arch/x86/include/generated/uapi/asm/unistd_64.h:9:0: warning: "__NR_" redefined #define __NR_/usrfstat 5

./arch/x86/include/generated/uapi/asm/unistd_64.h:8:0: note: this is the location of the previous definition #define __NR_/usrstat 4

./arch/x86/include/generated/uapi/asm/unistd_64.h:10:14: warning: missing whitespace after the macro name #define __NR_/usrlstat 6 ^ ./arch/x86/include/generated/uapi/asm/unistd_64.h:10:0: warning: "__NR_" redefined #define __NR_/usrlstat 6

./arch/x86/include/generated/uapi/asm/unistd_64.h:9:0: note: this is the location of the previous definition #define __NR_/usrfstat 5

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Reported-by: Naresh Kamboju naresh.kamboju@linaro.org

Detailed build link, https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-next/DISTRO=lkft...

-- Linaro LKFT https://lkft.linaro.org