--- xen-4.1.2/stubdom/Makefile.orig
+++ xen-4.1.2/stubdom/Makefile
@@ -61,7 +61,7 @@ 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: \(.*\)/\1/p')
+GCC_INSTALL = $(shell LC_ALL=C gcc -print-search-dirs | sed -n -e 's/install: \(.*\)/\1/p')
 TARGET_CPPFLAGS += -U __linux__ -U __FreeBSD__ -U __sun__
 TARGET_CPPFLAGS += -nostdinc
 TARGET_CPPFLAGS += -isystem $(MINI_OS)/include/posix