--- a/components/desktop/thunderbird/patches/firefox-25-rules_mk.patch	Fri Sep 30 21:33:56 2016 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,15 +0,0 @@
-The ninstall... function is not callable for some reason, so we need to copy
-the definition when using install_cmd.
-
-diff --git a/config/rules.mk b/config/rules.mk
---- a/config/rules.mk
-+++ b/config/rules.mk
-@@ -1402,7 +1402,7 @@
- nsinstall_is_usable = $(if $(wildcard $(DEPTH)/config/nsinstall$(HOST_BIN_SUFFIX)),yes)
-     
- define install_cmd_override
--$(1): install_cmd = $$(if $$(nsinstall_is_usable),$$(INSTALL),$$(NSINSTALL_PY) -t) $$(1)
-+$(1): install_cmd = $$(if $(wildcard $(DIST)/bin/nsinstall$(HOST_BIN_SUFFIX)),$$(INSTALL),$$(NSINSTALL_PY) -t) $$(1)
- endef
- endif
- endif