Verified Commit e3df9579 authored Feb 17, 2026 by Pier Angelo Vendrame

Bug 2016052 - Add a build flag to disable system preferences. r=gstoll

Differential Revision: https://phabricator.services.mozilla.com/D282768

parent 7e71a4c1

modules/libpref/Preferences.cpp

+1 −1

Original line number	Diff line number	Diff line
		@@ -5218,7 +5218,7 @@ nsresult Preferences::InitInitialObjects(bool aIsStartup) {
		}
		}

		#if defined(MOZ_WIDGET_GTK)
		#if defined(MOZ_WIDGET_GTK) && defined(MOZ_SYSTEM_PREFERENCES)
		// To ensure the system-wide preferences are not overwritten by
		// firefox/browser/defauts/preferences/*.js we need to load
		// the /etc/firefox/defaults/pref/*.js settings as last.

toolkit/moz.configure

+11 −0

Original line number	Diff line number	Diff line
		@@ -4052,6 +4052,17 @@ option(

		set_config("MOZ_SYSTEM_POLICIES", True, when="--enable-system-policies")

		# System preferences
		# ==============================================================

		option(
		"--disable-system-preferences",
		help="Disable reading preferences from /etc/firefox",
		)

		set_config("MOZ_SYSTEM_PREFERENCES", True, when="--enable-system-preferences")
		set_define("MOZ_SYSTEM_PREFERENCES", True, when="--enable-system-preferences")

		# Allow disabling the creation a legacy profile
		# ==============================================================