diff --git a/everything b/everything
new file mode 100644
index 0000000..5e93bc7
--- /dev/null
+++ b/everything
@@ -0,0 +1,151 @@
+#!/usr/bin/env bash
+
+set -e
+
+prefix="/opt/coin-or"
+
+# get json2 for helping with github APIs later:
+if [ ! -s "json2" ]; then
+    curl -LsS https://github.com/vi/json2/raw/master/json2 -o json2
+fi
+chmod +x json2
+
+# ensure we can actually run it:
+./json2 <<< '{}' >/dev/null
+
+# prepare paths:
+mkdir -p $prefix/lib/pkgconfig
+PATH="$prefix/bin:$PATH"
+PKG_CONFIG_PATH="$prefix/lib/pkgconfig:$PKG_CONFIG_PATH"
+
+# prepare a mapping of coin-or project names to their tar.gz's:
+declare -A tgzs
+
+note() {
+    echo -e "\e[1m$@\e[0m" >&2
+}
+
+stfu() {
+    "$@" > .stdout 2> .stderr || fail=$?
+    if [[ "$fail" -ne 0 ]]; then
+        echo "command failed with exit status $fail:" >&2
+        echo -E "$@" >&2
+        echo >&2
+        note '$ tail .stdout'
+        tail .stdout >&2
+        echo >&2
+        note '$ tail .stderr'
+        tail .stderr >&2
+        return 1
+    fi
+}
+
+get_autotool() {
+    if [ -s "$1.tar.gz" ]; then
+        note "skipping downloading $1"
+        return 0
+    fi
+    note "downloading $1"
+    curl -LsS "http://ftp.gnu.org/gnu/${1%-*}/$1.tar.gz" -o "$1.tar.gz"
+}
+
+make_autotool() {
+    if [[ $(command -v "${1%-*}") == "$prefix/bin"* ]]; then
+        note "skipping building $1"
+        return 0
+    fi
+    note "building $1"
+
+    # always extract in case configs/caches got messed up (as they do):
+    tar -xzf "$1.tar.gz"
+    pushd "$1" >/dev/null
+    stfu ./configure --prefix=$prefix
+    stfu make
+    stfu make install
+    popd >/dev/null
+}
+
+get_coin() {
+    organ="coin-or"
+    if [ "$1" == "BuildTools" ] || [[ "$1" == "ThirdParty-"* ]]; then
+        organ="coin-or-tools"
+    fi
+
+    curl -LsS "https://api.github.com/repos/$organ/$1/tags" | ./json2 > temp
+    for i in {0..9}; do  # check first few tags for a release
+        grep -Eq "^/$i/name=releases" temp || continue
+        url="$(grep -E "^/$i/tarball_url=" temp)"
+        url="${url#*=}"
+        sha="$(grep -E "^/$i/commit/sha=" temp)"
+        sha="${sha#*=}"
+        tgz="$organ-$1-${sha::7}.tar.gz"
+        tgzs["$1"]="$tgz"
+        if [ -s "$tgz" ]; then
+            note "skipping downloading $1"
+        else
+            note "downloading $1"
+            curl -LsS "$url" -o "$tgz"
+        fi
+        return 0
+    done
+    echo "failed to find the latest release of $1" >&2
+    return 1
+}
+
+with() {
+    withs=()
+    for name in "$@"; do
+        withs+=("--with-$name")
+        if [ "$name" == "asl" ]; then
+            withs+=("--with-$name-lib=$(pkg-config --libs coin$name)")
+            withs+=("--with-$name-incdir=$prefix/include/coin/ThirdParty/")
+        else
+            withs+=("--with-$name-lib=$(pkg-config --libs $name)")
+            withs+=("--with-$name-incdir=$prefix/include/coin/")
+        fi
+    done
+}
+
+make_coin() {
+    note "building $1"
+    tgz="${tgzs[$1]}"
+    # always extract in case configs/caches got messed up (as they do):
+    tar -xzf "$tgz"
+    dir="$(tar -tzf "$tgz" | head -1 | cut -f1 -d/)"
+    pushd "$dir" >/dev/null
+    if [[ "$1" == "ThirdParty-"* ]]; then
+        stfu "./get.${1##*-}"
+    fi
+    shift
+    stfu ./configure --prefix=$prefix "${withs[@]}" "$@"
+    stfu make
+    stfu make install
+    popd >/dev/null
+}
+
+for autotool in autoconf-2.59 automake-1.9.6 libtool-1.5.22; do
+    get_autotool "$autotool"
+    make_autotool "$autotool"
+done
+
+get_coin CoinUtils
+get_coin Osi
+get_coin Clp
+get_coin Cgl
+get_coin Cbc
+get_coin Ipopt
+get_coin Bonmin
+get_coin ThirdParty-ASL
+
+with; make_coin ThirdParty-ASL
+with; make_coin CoinUtils
+with coinutils; make_coin Osi
+with coinutils osi; make_coin Clp
+with coinutils osi clp; make_coin Cgl
+with coinutils osi clp cgl asl; make_coin Cbc
+with coinutils osi clp cgl asl cbc; make_coin Ipopt --with-blas="/mingw64/bin/libopenblas.dll"
+with coinutils osi clp cgl asl cbc ipopt; make_coin Bonmin
+
+# FIXME: Bonmin needs to be linked with more stuff: (g++ invoked by libtool)
+# -lipoptamplinterface
+# -lcoinasl