1 files changed, 6 insertions, 2 deletions
diff --git a/latest/setup/installation.html b/latest/setup/installation.html
index 49785876b8..237fdea183 100644
--- a/latest/setup/installation.html
+++ b/latest/setup/installation.html
@@ -277,6 +277,9 @@ and mounting it to <code>/var/synapse</code> should be taken into consideration.
<li>Python 3.7 or later, up to Python 3.10.</li>
<li>At least 1GB of free RAM if you want to join large public rooms like #matrix:matrix.org</li>
</ul>
+<p>If building on an uncommon architecture for which pre-built wheels are
+unavailable, you will need to have a recent Rust compiler installed. The easiest
+way of installing the latest version is to use <a href="https://rustup.rs/">rustup</a>.</p>
<p>To install the Synapse homeserver run:</p>
<pre><code class="language-sh">mkdir -p ~/synapse
virtualenv -p python3 ~/synapse/env
@@ -347,8 +350,9 @@ sudo dnf groupinstall "Development Tools"
<p>You may need to install the latest Xcode developer tools:</p>
<pre><code class="language-sh">xcode-select --install
</code></pre>
-<p>On ARM-based Macs you may need to explicitly install libjpeg which is a pillow dependency. You can use Homebrew (https://brew.sh):</p>
-<pre><code class="language-sh"> brew install jpeg
+<p>On ARM-based Macs you may need to install libjpeg and libpq.
+You can use Homebrew (https://brew.sh):</p>
+<pre><code class="language-sh"> brew install jpeg libpq
</code></pre>
<p>On macOS Catalina (10.15) you may need to explicitly install OpenSSL
via brew and inform <code>pip</code> about it so that <code>psycopg2</code> builds:</p>
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