1 files changed, 8 insertions, 0 deletions
diff --git a/src/xpi.mk b/src/xpi.mk
index d7e8467..5ff0977 100644
--- a/src/xpi.mk
+++ b/src/xpi.mk
@@ -70,6 +70,10 @@
 #                This directory must be an absolute path. Use this parameter
 #                with care.
 #
+#        MOZ_XPI_DISABLE_SYSTEM_PREFS (OPTIONAL):
+#                if defined (set to 1), no system preference file will be
+#                created in /etc.
+#
 #        Unused variables (can be removed):
 #
 #        MOZ_XPI_EMID (OPTIONAL):
@@ -93,6 +97,10 @@ ifneq (,$(MOZ_XPI_PRESERVE_PERMISSIONS))
 install_xpi_extra_parameter += --preserve-permissions
 endif
 
+ifneq (,$(MOZ_XPI_DISABLE_SYSTEM_PREFS))
+install_xpi_extra_parameter += --disable-system-prefs
+endif
+
 ifneq (,$(MOZ_XPI_INSTALL_DIRECTORY))
 install_xpi_extra_parameter += -i $(MOZ_XPI_INSTALL_DIRECTORY)
 endif