hi,
I am building openwrt 18.06.2 for RPI3B+ board using glibc as C library and gcc 7.x as compiler.
I have the following error:
make[6]: Leaving directory '/DATA/rpi3/openwrt/source/build_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/glibc-2.27/elf'
arm-openwrt-linux-gnueabi-gcc -nostdlib -nostartfiles -r -o /DATA/rpi3/openwrt/source/build_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/glibc-2.27-final/elf/librtld.os '-Wl,-(' /DATA/rpi3/openwrt/source/build_dir/toolchain-arm_cortex-a7+neon-vfpv
4_gcc-7.4.0_glibc_eabi/glibc-2.27-final/elf/dl-allobjs.os /DATA/rpi3/openwrt/source/build_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/glibc-2.27-final/elf/rtld-libc.a -lgcc '-Wl,-)' \
-Wl,-Map,/DATA/rpi3/openwrt/source/build_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/glibc-2.27-final/elf/librtld.os.map
arm-openwrt-linux-gnueabi-gcc -nostdlib -nostartfiles -shared -o /DATA/rpi3/openwrt/source/build_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/glibc-2.27-final/elf/ld.so.new \
-Wl,-z,combreloc -Wl,-z,relro -Wl,--hash-style=both -Wl,-z,defs \
/DATA/rpi3/openwrt/source/build_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/glibc-2.27-final/elf/librtld.os -Wl,--version-script=/DATA/rpi3/openwrt/source/build_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/glibc-2.27-final/
ld.map \
-Wl,-soname=ld-linux-armhf.so.3 \
-Wl,-defsym=_begin=0
/DATA/rpi3/openwrt/source/staging_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/lib/gcc/arm-openwrt-linux-gnueabi/7.4.0/../../../../arm-openwrt-linux-gnueabi/bin/ld: /DATA/rpi3/openwrt/source/build_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_gli
bc_eabi/glibc-2.27-final/elf/librtld.os: in function `process_dl_debug':
raise.c:(.text+0x4e4): undefined reference to `memcpy'
/DATA/rpi3/openwrt/source/staging_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/lib/gcc/arm-openwrt-linux-gnueabi/7.4.0/../../../../arm-openwrt-linux-gnueabi/bin/ld: /DATA/rpi3/openwrt/source/build_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/glibc-2.27-final/elf/librtld.os: in function `dso_name_valid_for_suid':
raise.c:(.text+0x600): undefined reference to `memchr'
/DATA/rpi3/openwrt/source/staging_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/lib/gcc/arm-openwrt-linux-gnueabi/7.4.0/../../../../arm-openwrt-linux-gnueabi/bin/ld: /DATA/rpi3/openwrt/source/build_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/glibc-2.27-final/elf/librtld.os: in function `_dl_start':
raise.c:(.text+0xc4c): undefined reference to `memcpy'
/DATA/rpi3/openwrt/source/staging_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/lib/gcc/arm-openwrt-linux-gnueabi/7.4.0/../../../../arm-openwrt-linux-gnueabi/bin/ld: /DATA/rpi3/openwrt/source/build_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/glibc-2.27-final/elf/librtld.os: in function `handle_ld_preload':
raise.c:(.text+0x10f8): undefined reference to `memcpy'
/DATA/rpi3/openwrt/source/staging_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/lib/gcc/arm-openwrt-linux-gnueabi/7.4.0/../../../../arm-openwrt-linux-gnueabi/bin/ld: /DATA/rpi3/openwrt/source/build_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/glibc-2.27-final/elf/librtld.os: in function `dl_main':
raise.c:(.text+0x1344): undefined reference to `memcpy'
/DATA/rpi3/openwrt/source/staging_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/lib/gcc/arm-openwrt-linux-gnueabi/7.4.0/../../../../arm-openwrt-linux-gnueabi/bin/ld: raise.c:(.text+0x26c4): undefined reference to `memcpy'
/DATA/rpi3/openwrt/source/staging_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/lib/gcc/arm-openwrt-linux-gnueabi/7.4.0/../../../../arm-openwrt-linux-gnueabi/bin/ld: raise.c:(.text+0x3e40): undefined reference to `memcpy'
/DATA/rpi3/openwrt/source/staging_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/lib/gcc/arm-openwrt-linux-gnueabi/7.4.0/../../../../arm-openwrt-linux-gnueabi/bin/ld: raise.c:(.text+0x4538): undefined reference to `memchr'
/DATA/rpi3/openwrt/source/staging_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/lib/gcc/arm-openwrt-linux-gnueabi/7.4.0/../../../../arm-openwrt-linux-gnueabi/bin/ld: raise.c:(.text+0x49a4): undefined reference to `memcpy'
/DATA/rpi3/openwrt/source/staging_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/lib/gcc/arm-openwrt-linux-gnueabi/7.4.0/../../../../arm-openwrt-linux-gnueabi/bin/ld: /DATA/rpi3/openwrt/source/build_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/glibc-2.27-final/elf/librtld.os: in function `add_name_to_object.isra.4':
raise.c:(.text+0x4d60): undefined reference to `memcpy'
/DATA/rpi3/openwrt/source/staging_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/lib/gcc/arm-openwrt-linux-gnueabi/7.4.0/../../../../arm-openwrt-linux-gnueabi/bin/ld: /DATA/rpi3/openwrt/source/build_dir/toolchain-arm_cortex-a7+neon-vfpv4_gcc-7.4.0_glibc_eabi/glibc-2.27-final/elf/librtld.os: in function `_dl_map_object_from_fd':
raise.c:(.text+0x5c50): undefined reference to `memcpy'
Any help to solve this issue?
Thanks
Regards
Mimmo