From 420167278a03cfec45e27c27d98c0009dddd58a1 Mon Sep 17 00:00:00 2001
From: Gregory Jefferis <jefferis@gmail.com>
Date: Fri, 2 Jun 2023 11:29:04 +0100
Subject: [PATCH] try manually installing glpk

* needed for igraph and therefore nat but not being installed by sys reqs for some reason
---
 .github/workflows/R-CMD-check.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 282e021..e606a78 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -63,6 +63,11 @@ jobs:
           key: ${{ runner.os }}-${{ hashFiles('.github/R-version') }}-1-${{ hashFiles('.github/depends.Rds') }}
           restore-keys: ${{ runner.os }}-${{ hashFiles('.github/R-version') }}-1-
 
+        # this is not getting picked up by system requirements for some reason
+      - name: Install glpk
+        if: runner.os == 'Linux'
+        run: sudo apt-get install -y libglpk-dev
+
       - name: Install system dependencies
         if: runner.os == 'Linux'
         run: |