toaruos/util/check-reqs

#!/bin/bash
# Build Dependencies Checker
# ToAruOS Kernel / Userspace

function INFO {
    echo -e "\033[34;1minfo\033[0m $1" >&2
}

function WARN {
    echo -e "\033[33;1mwarning\033[0m $1" >&2
}

function ERROR {
    echo -e "\033[31;1merror\033[0m $1" >&2
}

function BAIL {
    exit 1
}

INFO "Checking for required tools (one-time check)..."

if [ -z `which cc` ] ; then
    ERROR "No compiler found"
    INFO "You will need a compiler to build the cross toolchain, we recommend gcc."
    BAIL
fi

if [ -z `which genext2fs` ] ; then
    ERROR "Missing genext2fs"
    INFO  "You can probably get it from a package of the same name."
    BAIL
fi

if [ -z `which qemu-system-i386` ] ; then
    ERROR "Missing qemu"
    INFO  "You can probably install it from a package of the same name."
fi