Yocto recipe for Hello World program compilation using a makefile.

Follow the below steps to create to Yocto recipe for hello world program compilation using a makefile.

Create the Yocto recipe file

Create a Hello World recipe in your custom layer.

# vim recipes-hello/hello/hello_1.0.bb

DESCRIPTION = "Simple hello world application"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"

SRC_URI = "file://hello_world.c \
           file://Makefile \
"
S = "${WORKDIR}"

do_compile() {
    oe_runmake
}

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

Create the Hello World program and makefile.

Create hello world program and makefile in your recipe directory.

# vim recipes-hello/hello/files/Makefile
all:

    $(CC) -o hello_world hello_world.c

clean:
    rm -f hello_world

# vim recipes-hello/hello/files/hello_world.c
#include<stdio.h>
int main(){
printf("Hello world \n");
return 0;
}

Build Hello World recipe.
Build the recipe using the below command.
```
$ bitbake hello_world
```

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