Index: tests/Makefile.am
===================================================================
--- tests/Makefile.am	(revision 0a19c51d3657fc94cf13791d5f9b948a7ed41d14)
+++ tests/Makefile.am	(revision 8a71d8e3d1dcbe97636a71f179b79b5476258346)
@@ -53,5 +53,5 @@
 
 # adjust CC to current flags
-CC = LC_ALL=en_US.ascii $(if $(DISTCC_CFA_PATH),distcc $(DISTCC_CFA_PATH) ${ARCH_FLAGS},$(TARGET_CFA) ${DEBUG_FLAGS} ${ARCH_FLAGS})
+CC = LC_ALL=C $(if $(DISTCC_CFA_PATH),distcc $(DISTCC_CFA_PATH) ${ARCH_FLAGS},$(TARGET_CFA) ${DEBUG_FLAGS} ${ARCH_FLAGS})
 CFACC = $(CC)