--- a/components/desktop/thunderbird/patches/firefox30-29-rules_mk.patch	Tue Mar 01 10:33:35 2016 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,15 +0,0 @@
-Needs further investigation to see if this can be removed.
-The ninstall... function is not callable for some reason, so we need to copy
-the definition when using install_cmd.
-
---- comm-esr31/mozilla/config/rules.mk.orig	2015-06-04 17:42:51.342231683 -0700
-+++ comm-esr31/mozilla/config/rules.mk	2015-06-04 17:42:51.344729049 -0700
-@@ -1429,7 +1429,7 @@
- nsinstall_is_usable = $(if $(wildcard $(DIST)/bin/nsinstall$(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