From 1870b56894dd633a6c1ab49d3bf6857b3d6f75c1 Mon Sep 17 00:00:00 2001
From: Pierre Labastie <pierre.labastie@neuf.fr>
Date: Sun, 14 Nov 2021 15:18:38 +0100
Subject: [PATCH] Ensure that MAKE_TERM(OUT|ERR) are unset

Some packages use those variables to determine whether they are
talking to a terminal, and issue color codes that mess our
logs if the top level make has been launched from a terminal.
---
 BLFS/xsl/scripts.xsl | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/BLFS/xsl/scripts.xsl b/BLFS/xsl/scripts.xsl
index 4b98fbc..5561af7 100644
--- a/BLFS/xsl/scripts.xsl
+++ b/BLFS/xsl/scripts.xsl
@@ -215,8 +215,13 @@ export JH_KEEP_FILES="</xsl:text>
        </xsl:otherwise>
      </xsl:choose>
 <!-- Unsetting MAKELEVEL is needed for some packages which assume that
-     their top level Makefile is at level zero -->
+     their top level Makefile is at level zero.
+     Some packages (cmake) use MAKE_TERMOUT and MAKE_TERMERR to determine
+     whether they are talking to a terminal.
+     In our case, stdout/stderr are always redirected, so unset them.-->
      <xsl:text>unset MAKELEVEL
+unset MAKE_TERMOUT
+unset MAKE_TERMERR
 <!-- When installing several packages, and profile or profile.d
      has been modified by a previous package, we need to ensure that
      the updated profile is used.