nixpkgs/pkgs/development/tools/build-managers/tup/setup-hook.sh

#!/bin/sh

tupConfigurePhase() {
    runHook preConfigure

    echo -n CONFIG_TUP_ARCH= >> tup.config
    case "$system" in
    "i686-*")      echo i386 >> tup.config;;
    "x86_64-*")    echo x86_64 >> tup.config;;
    "powerpc-*")   echo powerpc >> tup.config;;
    "powerpc64-*") echo powerpc64 >> tup.config;;
    "ia64-*")      echo ia64 >> tup.config;;
    "alpha-*")     echo alpha >> tup.config;;
    "sparc-*")     echo sparc >> tup.config;;
    "aarch64-*")   echo arm64 >> tup.config;;
    "arm*")        echo arm >> tup.config;;
    esac

    echo "${tupConfig-}" >> tup.config

    tup init
    tup generate tupBuild.sh

    runHook postConfigure
}

if [ -z "${dontUseTupConfigure-}" -a -z "${configurePhase-}" ]; then
    configurePhase=tupConfigurePhase
fi


tupBuildPhase() {
    runHook preBuild

    pushd .
    . tupBuild.sh
    popd

    runHook postBuild
}

if [ -z "${dontUseTupBuild-}" -a -z "${buildPhase-}" ]; then
    buildPhase=tupBuildPhase
fi