check-dependencies

#!/bin/bash

declare -A missing

cmake --version >/dev/null 2>&1
if [ $? != 0 ]; then missing[cmake]=cmake; fi

gcc --version >/dev/null 2>&1
if [ $? != 0 ]; then missing[gcc]=build-essential; fi

g++ --version >/dev/null 2>&1
if [ $? != 0 ]; then missing[g++]=build-essential; fi

autoconf --version >/dev/null 2>&1
if [ $? != 0 ]; then missing[autoconf]=autoconf; fi

automake --version >/dev/null 2>&1
if [ $? != 0 ]; then missing[automake]=automake; fi

pkg-config --version >/dev/null 2>&1
if [ $? != 0 ]; then missing[pkg-config]=pkg-config; fi

if [ ${#missing[@]} -ne 0 ]; then
    echo --------------------------------------------------------------------------------
    echo some software is required for this build and currently missing from your system:
    echo
    declare -A packages
    for name in "${!missing[@]}"; do
        echo '  - '$name
    packages[${missing[$name]}]=1
    done
    echo
    echo on Ubuntu systems, you may fix this situation by issuing the following commands:
    echo
    echo '  apt-get update'
    echo '  apt-get install '${!packages[@]}
    echo
    echo aborting
    echo --------------------------------------------------------------------------------
    exit 1
fi

exit 0