21602607 Need to move Firefox to 38.5.0 ESR branch to continue getting fixes
22757279 Update Thunderbird to version 38.5.0
22613259 thunderbird lightning extension is missing l10n after moved to userland
21133062 problem in TBIRD/MAILER
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