From c591ca67f72cc955d64b710ee275c2817550199d Mon Sep 17 00:00:00 2001
From: jock_tanner <jock_tanner@web>
Date: Tue, 10 Mar 2020 03:50:09 +0000
Subject: [PATCH]

---
 HDL_workflow.mdwn | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/HDL_workflow.mdwn b/HDL_workflow.mdwn
index e39078260..0ffb1465d 100644
--- a/HDL_workflow.mdwn
+++ b/HDL_workflow.mdwn
@@ -326,9 +326,16 @@ library.  In the meantime, sfpy can be built as follows:
     git apply /path/to/ieee754fpu/berkeley-softfloat.patch
     cd ..
 
-    # install dependencies    
+    # prepare a virtual environment for building
+    sudo apt-get install python3-venv
     python3 -m venv .env
-    . .env/bin/activate
+
+    # alternative method of preparing a virtual environment:
+    #    sudo apt get python-virtualenv
+    #    virtualenv -p python3 .env
+
+    # install dependencies
+    source .env/bin/activate
     pip3 install --upgrade -r requirements.txt
 
     # build
-- 
2.30.2