:~/xen# git branch | sed -n '/\* /s///p' stable-4.3

--- a/stubdom/Makefile
+++ b/stubdom/Makefile
@@ -36,7 +36,7 @@ TARGET_CPPFLAGS += $(CPPFLAGS)
 $(call cc-options-add,TARGET_CFLAGS,CC,$(EMBEDDED_EXTRA_CFLAGS))

 # Do not use host headers and libs
-GCC_INSTALL = $(shell LANG=C gcc -print-search-dirs | sed -n -e 's/install: \(.*\)//p')
+GCC_INSTALL = $(shell LC_ALL=C LANG=C gcc -print-search-dirs | sed -n -e 's/install: \(.*\)//p')
 TARGET_CPPFLAGS += -U __linux__ -U __FreeBSD__ -U __sun__
 TARGET_CPPFLAGS += -nostdinc
 TARGET_CPPFLAGS += -isystem $(MINI_OS)/include/posix
diff --git a/tools/firmware/Makefile b/tools/firmware/Makefile
index aff8e56..a9b403c 100644
--- a/tools/firmware/Makefile
+++ b/tools/firmware/Makefile
@@ -32,7 +32,7 @@ ifeq ($(CONFIG_ROMBIOS),y)
        false ; \
        fi
 endif
-       $(MAKE) PYTHON=$(PYTHON) subdirs-$@
+       LC_ALL=C LANG=C $(MAKE) PYTHON=$(PYTHON) subdirs-$@


 .PHONY: install