Build fails on macOS if using libffi from Homebrew

[dlo]

node-rsvg $ npm i
npm WARN deprecated gulp-util@3.0.8: gulp-util is deprecated - replace it, following the guidelines at https://medium.com/gulpjs/gulp-util-ca3b1f9f9ac5
npm WARN deprecated minimatch@2.0.10: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
npm WARN deprecated graceful-fs@3.0.11: please upgrade to graceful-fs 4 for compatibility with current and future versions of Node.js
npm WARN deprecated to-iso-string@0.0.2: to-iso-string has been deprecated, use @segment/to-iso-string instead.
npm WARN deprecated natives@1.1.6: This module relies on Node.js's internals and will break at some point. Do not use it, and update to graceful-fs@4.x.
npm WARN deprecated jade@0.26.3: Jade has been renamed to pug, please install the latest version of pug instead of jade
npm WARN deprecated minimatch@0.3.0: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
npm WARN deprecated minimatch@0.2.14: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
npm WARN deprecated graceful-fs@1.2.3: please upgrade to graceful-fs 4 for compatibility with current and future versions of Node.js

> librsvg@0.7.0 install /Users/dan/Downloads/node-rsvg
> node-gyp rebuild

Package libffi was not found in the pkg-config search path.
Perhaps you should add the directory containing `libffi.pc'
to the PKG_CONFIG_PATH environment variable
Package 'libffi', required by 'gobject-2.0', not found
gyp: Call to 'PKG_CONFIG_PATH=/opt/X11/lib/pkgconfig pkg-config --cflags librsvg-2.0 cairo-png cairo-pdf cairo-svg' returned exit status 1 while in binding.gyp. while trying to load binding.gyp

[pkkr]

same issue

[pkkr]

i set the PKG_CONFIG_PATH but this doesn't work

[lastw]

This project is no longer maintained.

If you have any issues, you can try prebuilt node-rsvg or create your own fork.