From 745580a36dc284d322a8d266ed39f80af3231d51 Mon Sep 17 00:00:00 2001
From: Glenn Morris <rgm@gnu.org>
Date: Wed, 12 Jan 2022 09:35:43 -0800
Subject: [PATCH] Avoid user environment interfering with bootstrap

* Makefile.in, admin/unidata/Makefile.in:
* doc/misc/Makefile.in, lib-src/Makefile.in:
Don't export user environment variables that can affect running
emacs.  (Bug#53038)
---
 Makefile.in               | 3 +++
 admin/unidata/Makefile.in | 3 +++
 doc/misc/Makefile.in      | 4 ++++
 lib-src/Makefile.in       | 3 +++
 4 files changed, 13 insertions(+)

diff --git a/Makefile.in b/Makefile.in
index b72127dde67..8ac6f527469 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -319,6 +319,9 @@ GLIB_COMPILE_SCHEMAS = glib-compile-schemas
 # Program name transformation.
 TRANSFORM = @program_transform_name@
 
+# Prevent any settings in the user environment causing problems.
+unexport EMACSDATA EMACSDOC EMACSLOADPATH EMACSPATH
+
 # What emacs should be called when installed.
 EMACS_NAME = `echo emacs | sed '$(TRANSFORM)'`
 EMACS = ${EMACS_NAME}${EXEEXT}
diff --git a/admin/unidata/Makefile.in b/admin/unidata/Makefile.in
index 45bba85213b..e75010dc2b8 100644
--- a/admin/unidata/Makefile.in
+++ b/admin/unidata/Makefile.in
@@ -29,6 +29,9 @@ srcdir = @srcdir@
 top_srcdir = @top_srcdir@
 top_builddir = @top_builddir@
 
+# Prevent any settings in the user environment causing problems.
+unexport EMACSDATA EMACSDOC EMACSLOADPATH EMACSPATH
+
 EMACS = ${top_builddir}/src/emacs
 unidir = ${top_srcdir}/lisp/international
 emacs = "${EMACS}" -batch --no-site-file --no-site-lisp
diff --git a/doc/misc/Makefile.in b/doc/misc/Makefile.in
index 6c1e9cbc910..d348dbc194b 100644
--- a/doc/misc/Makefile.in
+++ b/doc/misc/Makefile.in
@@ -234,6 +234,10 @@ ${buildinfodir}/tramp.info tramp.html: ${srcdir}/trampver.texi
 
 
 abs_top_builddir = @abs_top_builddir@
+
+# Prevent any settings in the user environment causing problems.
+unexport EMACSDATA EMACSDOC EMACSLOADPATH EMACSPATH
+
 EMACS = ${abs_top_builddir}/src/emacs
 emacs = "${EMACS}" -batch --no-site-file --no-site-lisp --eval '(setq load-prefer-newer t)'
 
diff --git a/lib-src/Makefile.in b/lib-src/Makefile.in
index c25ba5c974d..0453b935068 100644
--- a/lib-src/Makefile.in
+++ b/lib-src/Makefile.in
@@ -20,6 +20,9 @@
 
 SHELL = @SHELL@
 
+# Prevent any settings in the user environment causing problems.
+unexport EMACSDATA EMACSDOC EMACSLOADPATH EMACSPATH
+
 # Following ../lisp/Makefile.in.
 EMACS = ../src/emacs${EXEEXT}
 EMACSOPT = -batch --no-site-file --no-site-lisp
-- 
2.39.2