[yocto] Fwd: error while compiling hello_2.7.bb

[praveen vattipalli]

Hi All,
I have hello_2.7.bb file which contains as below
vim hello_2.7.bb
DESCRIPTION = "GNU Helloworld application"
SECTION = "test"
LICENSE = "BSD"

LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/BSD;md5=
3775480a712fc46a69647678acb234cb"
SRC_DIR ?= "/home/rajesh/poky-krogoth-15.0.2/meta/recipes-support/
hello/hello_2.7"
SRC_URI = "file://${SRC_DIR}"

S = "${SRC_DIR}"

do_compile (){
        make prog
}

do_install(){
        install -d ${D}${bindir}
        install -m 0755 ${S}/hello  ${D}${bindir}
}

in hello_2.7 folder i have two files hello.c and Makefile
vim hello.c
#include<stdio.h>
int main()
{
        printf("hello YOCTO POKY\n");
        return 0;
}

Vim Makefile
prog:
        gcc -o hello hello.c

Now when i am building "bitbake hello", I am  getting below error in
poky-krogoth-15.0.2.
The same hello_2.7.bb  is compiling fine without any error in
"poky-dora-10.0.0".
The strange thing i observe in poky-krogoth-15.0.2. is that hello.c and
Makefile are getting erased in hello_2.7 dir.
Am i missing some thing in poky-krogoth-15.0.2? Please help.

Error msg:
ERROR: hello-2.7-r0 do_compile: Function failed: do_compile (log file is
located at /home/rajesh/poky-krogoth-15.0.2/build/tmp/work/cortexa8hf-
neon-poky-linux-gnueabi/hello/2.7-r0/temp/log.do_compile.13763)
ERROR: Logfile of failure stored in: /home/rajesh/poky-krogoth-15.
0.2/build/tmp/work/cortexa8hf-neon-poky-linux-gnueabi/hello/
2.7-r0/temp/log.do_compile.13763
Log data follows:
| DEBUG: Executing shell function do_compile
| make: *** No rule to make target 'prog'.  Stop.
| WARNING: exit code 2 from a shell command.
| ERROR: Function failed: do_compile (log file is located at
/home/rajesh/poky-krogoth-15.0.2/build/tmp/work/cortexa8hf-
neon-poky-linux-gnueabi/hello/2.7-r0/temp/log.do_compile.13763)
ERROR: Task 6 (/home/rajesh/poky-krogoth-15.0.2/meta/recipes-support/hello/
hello_2.7.bb, do_compile) failed with exit code '1'
NOTE: Tasks Summary: Attempted 351 tasks of which 345 didn't need to be
rerun and 1 failed.
No currently running tasks (351 of 358)

Summary: 1 task failed:
  /home/rajesh/poky-krogoth-15.0.2/meta/recipes-support/hello/hello_2.7.bb,
do_compile
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