Ely Office: six offline-first desktop apps in Rust and GPUI

ElyDoc, ElyTable, ElyShow (LibreOfficeKit), ElyPDF (MuPDF), ElyTree (Git),
ElyMark (Milkdown and CodeMirror in CEF). ElyMail and ElyAgent follow.

scripts/build-libetpan.sh

@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+# Builds the pinned libetpan into engines/libetpan.
+set -euo pipefail
+
+root=$(cd "$(dirname "$0")/.." && pwd)
+src=$root/reference/libetpan
+prefix=$root/engines/libetpan
+work=$root/engines/libetpan-src
+pin=$(git -C "$src" rev-parse HEAD)
+
+if [ "$(cat "$prefix/PIN" 2>/dev/null)" = "$pin" ] && [ -f "$prefix/lib/libetpan.a" ] &&
+  grep -q "^#define HAVE_OPENSSL 1" "$prefix/BUILD-config.h" 2>/dev/null &&
+  grep -q "^#define HAVE_JSON 1" "$prefix/BUILD-config.h" 2>/dev/null; then
+  echo "ok    libetpan $pin"
+  exit 0
+fi
+
+ssl=${OPENSSL_DIR:-$(brew --prefix openssl@3)} || {
+  echo "build-libetpan.sh: set OPENSSL_DIR to an OpenSSL 3 prefix" >&2
+  exit 1
+}
+[ -f "$ssl/include/openssl/ssl.h" ] || {
+  echo "build-libetpan.sh: no OpenSSL headers under $ssl" >&2
+  exit 1
+}
+jobs=$(sysctl -n hw.ncpu 2>/dev/null || nproc)
+rm -rf "$work" "$prefix"
+rsync -a --exclude .git "$src/" "$work/"
+cd "$work"
+./autogen.sh --prefix="$prefix" --enable-static --disable-shared \
+  --with-openssl="$ssl" --with-json --disable-db
+for feature in HAVE_OPENSSL HAVE_JSON; do
+  grep -q "^#define $feature 1" config.h || {
+    echo "build-libetpan.sh: configure left out $feature" >&2
+    exit 1
+  }
+done
+make -j"$jobs"
+make install
+cp config.h "$prefix/BUILD-config.h"
+echo "$pin" >"$prefix/PIN"
+echo "built libetpan $pin"