configure.sh

#!/usr/bin/env bash
set -e

if ! which make >/dev/null 2>&1; then
    echo "checking for make... not found"
    echo "Error: please install 'make'" >> /dev/stderr
    exit 1
else
    echo "checking for make... found"
fi

BUILDTOOL=invalid
SOLUTION=invalid
if ! which dotnet >/dev/null 2>&1; then
    echo "checking for dotnet... not found"

    if ! which fsharpc >/dev/null 2>&1; then
        echo "checking for F# compiler... not found"
        echo "Error: please install 'dotnet' (or legacy 'fsharpc')" >> /dev/stderr
        exit 1
    else
        echo "checking for F# compiler... found"
    fi

    if ! which msbuild >/dev/null 2>&1; then
        echo "checking for msbuild... not found"

        if ! which xbuild >/dev/null 2>&1; then
            echo "checking for xbuild... not found"
            echo "Error: please install 'dotnet' (or legacy 'msbuild' or 'xbuild')" >> /dev/stderr
            exit 1
        else
            echo "checking for xbuild... found"
            BUILDTOOL=xbuild
            SOLUTION=fsx-legacy.sln
        fi
    else
        echo "checking for msbuild... found"
        BUILDTOOL=msbuild
        SOLUTION=fsx-legacy.sln
    fi

    # for downloading nuget.exe
    if ! which curl >/dev/null 2>&1; then
        echo "checking for curl... not found"
        echo "Error: please install 'curl'" >> /dev/stderr
        exit 1
    else
        echo "checking for curl... found"
    fi

else
    echo "checking for dotnet... found"
    BUILDTOOL='"dotnet build"'
    SOLUTION=fsx.sln
fi

DESCRIPTION="tarball"
if which git >/dev/null 2>&1; then
    # https://stackoverflow.com/a/12142066/1623521
    DESCRIPTION=`git rev-parse --abbrev-ref HEAD`
fi

#default:
PREFIX=/usr/local

for i in "$@"
do
case $i in
    -p=*|--prefix=*)
    PREFIX="${i#*=}"

    ;;
    *)
            # unknown option
    ;;
esac
done

source version.config
echo -e "BuildTool=$BUILDTOOL\nSolution=$SOLUTION\nPrefix=$PREFIX" > build.config

echo
echo -e "\tConfiguration summary for fsx $Version ($DESCRIPTION)"
echo
echo -e "\t* Installation prefix: $PREFIX"
echo