See D21826.
Build script for PHP8.3RC6 (see also T13232):
- Install libmxl2 (configure + make + make install) for simplexml support for AWS stuff (particularly `bin/provision events`).
```
#!/bin/sh
set -e
set -x
export PKG_CONFIG_PATH="/Users/epriestley/src/zlib-1.2.11:/Users/epriestley/src/curl-7.80.0"
./configure \
--with-mysqli \
--enable-pcntl \
--enable-mbstring \
--without-iconv \
--disable-mbregex \
--without-sqlite3 \
--disable-dom \
--disable-pdo \
--disable-xmlreader \
--disable-xmlwriter \
--without-pcre-jit \
--with-curl=/Users/epriestley/src/curl-7.80.0
# --disable-simplexml \
# --with-apxs2=/usr/local/opt/httpd/bin/apxs \
# --with-openssl=/usr/local/opt/openssl/ \
# --with-zlib=/usr/local/opt/zlib \
# --with-zip \
```