How to set CONFIG_PATH in Heroku buildpack
问题 Before I elaborate on the problem, I should let you know that I've successfully installed ffmpegthumbnailer on heroku's bash (heroku run bash). I'm trying to build ffmpegthumbnailer using a custom Heroku buildpack I've written, but when I run ./configure && make install in the bin/compile buildpack file, ffmpegthumbnailer tells me that it can't find the ffmpeg libs (util, format, codec, scale) and suggest that I set the PKG_CONFIG_PATH. So I set the PKG_CONFIG_PATH and it still can't seem to