buildroot make error

rohit@home:~/workplace/rp/buildroot$ make
/usr/bin/make -j1  HOSTCC="/usr/bin/gcc" HOSTCXX="/usr/bin/g++" silentoldconfig
BR2_DEFCONFIG='' KCONFIG_AUTOCONFIG=/home/rohit/workplace/rp/buildroot/output/build/buildroot-config/auto.conf KCONFIG_AUTOHEADER=/home/rohit/workplace/rp/buildroot/output/build/buildroot-config/autoconf.h KCONFIG_TRISTATE=/home/rohit/workplace/rp/buildroot/output/build/buildroot-config/tristate.config BR2_CONFIG=/home/rohit/workplace/rp/buildroot/.config BR2_EXTERNAL=support/dummy-external HOST_GCC_VERSION="4 8" SKIP_LEGACY= /home/rohit/workplace/rp/buildroot/output/build/buildroot-config/conf --silentoldconfig Config.in
>>> linux 26f3b72a9c049be10e6af196252283e1f6ab9d1f Building
PATH="/home/rohit/workplace/rp/buildroot/output/host/bin:/home/rohit/workplace/rp/buildroot/output/host/sbin:/home/rohit/workplace/rp/buildroot/output/host/usr/bin:/home/rohit/workplace/rp/buildroot/output/host/usr/sbin:/home/rohit/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games" BR_BINARIES_DIR=/home/rohit/workplace/rp/buildroot/output/images /usr/bin/make -j5 HOSTCC="/usr/bin/gcc" HOSTCFLAGS="" ARCH=arm INSTALL_MOD_PATH=/home/rohit/workplace/rp/buildroot/output/target CROSS_COMPILE="/home/rohit/workplace/rp/buildroot/output/host/usr/bin/arm-buildroot-linux-uclibcgnueabihf-" DEPMOD=/home/rohit/workplace/rp/buildroot/output/host/sbin/depmod -C /home/rohit/workplace/rp/buildroot/output/build/linux-26f3b72a9c049be10e6af196252283e1f6ab9d1f zImage
make[2]: /home/rohit/workplace/rp/buildroot/output/host/usr/bin/arm-buildroot-linux-uclibcgnueabihf-gcc: Command not found
  CHK     include/config/kernel.release
  CHK     include/generated/uapi/linux/version.h
  HOSTCC  scripts/pnmtologo
  CC      scripts/mod/empty.o
/bin/sh: 1: /home/rohit/workplace/rp/buildroot/output/host/usr/bin/arm-buildroot-linux-uclibcgnueabihf-gcc: not found
make[4]: *** [scripts/mod/empty.o] Error 127
make[3]: *** [scripts/mod] Error 2
make[3]: *** Waiting for unfinished jobs....
  CHK     include/generated/utsrelease.h
  UPD     include/generated/utsrelease.h
  Generating include/generated/mach-types.h
  CHK     include/generated/timeconst.h
  CC      kernel/bounds.s
/bin/sh: 1: /home/rohit/workplace/rp/buildroot/output/host/usr/bin/arm-buildroot-linux-uclibcgnueabihf-gcc: not found
make[3]: *** [kernel/bounds.s] Error 127
make[3]: *** Waiting for unfinished jobs....
  UPD     include/generated/timeconst.h
make[2]: *** [prepare0] Error 2
make[2]: *** Waiting for unfinished jobs....
make[2]: *** [scripts] Error 2
make[1]: *** [/home/rohit/workplace/rp/buildroot/output/build/linux-26f3b72a9c049be10e6af196252283e1f6ab9d1f/.stamp_built] Error 2
make: *** [_all] Error 2