From 8abec8c153576cb30e46c3da444dc5628becd32f Mon Sep 17 00:00:00 2001
From: Pablo Piskunow <pablo.perez.piskunow@gmail.com>
Date: Thu, 23 Nov 2023 10:32:21 +0100
Subject: [PATCH] fix CFLAG

---
 .github/workflows/tests.yml | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8e6d094..3e03283 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -58,13 +58,12 @@ jobs:
 
       - name: Clone and Install kwant (Ubuntu)
         if: startsWith(matrix.os, 'ubuntu')
-        env:
-          CFLAGS: "-I$(python -c 'import numpy; print(numpy.get_include())')"
         run: |
           git clone https://github.com/kwant-project/kwant.git
           cd kwant
           git checkout master
-          python setup.py build
+          numpy_include=$(python -c 'import numpy; print(numpy.get_include())')
+          CFLAGS="-I$numpy_include" python setup.py build
           sudo python setup.py install
 
       - name: Install Nox