From 2cba64b258da668042fb79941dbcbfa721122980 Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Mon, 12 Apr 2021 10:17:01 +0100
Subject: [PATCH] Fix missing env var expansion in pos file generation.

Fixes https://gitlab.com/kicad/code/kicad/issues/8178
---
 pcbnew/exporters/gen_footprints_placefile.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pcbnew/exporters/gen_footprints_placefile.cpp b/pcbnew/exporters/gen_footprints_placefile.cpp
index d125744923..78e4bfbf43 100644
--- a/pcbnew/exporters/gen_footprints_placefile.cpp
+++ b/pcbnew/exporters/gen_footprints_placefile.cpp
@@ -339,7 +339,8 @@ bool DIALOG_GEN_FOOTPRINT_POSITION::CreateAsciiFiles()
     // Create output directory if it does not exist.
     // Also transform it in absolute path.
     // Bail if it fails
-    wxFileName  outputDir = wxFileName::DirName( m_plotOpts.GetOutputDirectory() );
+    wxString    path = ExpandEnvVarSubstitutions( m_plotOpts.GetOutputDirectory(), &Prj() );
+    wxFileName  outputDir = wxFileName::DirName( path );
     wxString    boardFilename = m_parent->GetBoard()->GetFileName();
 
     m_reporter = &m_messagesPanel->Reporter();