installation error on ubuntu 20.04

[Ruitangtang]

Describe the bug
conda install -c conda-forge pkg-config

Expected behavior
A clear and concise description of what you expected to happen.

To Reproduce
Steps to reproduce the behavior. please provide any codes or traceback you received.

bits/stdio2.h:228:17: error: missing binary operator before token "("

User Environment (please complete the following information):

• OS: [e.g. macOS, Windows, Ubuntu] Ubuntu 20.04
• Version of R 4.3.1
• Version of fdmr you are using

[gareth-j]

Issue

Couldn't install packages due to missing packages.
This was in a conda install of R.
conda installed libcurl and other packages.
Other packages it suggested and are covered in the Ubuntu section of the readme were installed.

Error from the compilation step:

bits/stdio2.h:228:17: error: missing binary operator before token "("

Fix

conda install -c conda-forge pkg-config

User Environment

• OS: Ubuntu 20.04
• Version of R: 4.3.1
• Version of fdmr you are using: 0.1.0

[mnky9800n]

we should add this fix to the FAQ