Index: uspace/lib/libc/arch/arm32/Makefile.inc
===================================================================
--- uspace/lib/libc/arch/arm32/Makefile.inc	(revision fa23560fdd0e695738620af86112b84932e3b3e3)
+++ uspace/lib/libc/arch/arm32/Makefile.inc	(revision ddb0df58c37d07e66431a6471044949a96ecaf7d)
@@ -31,6 +31,10 @@
 #
 
+ifndef CROSS_PREFIX
+	CROSS_PREFIX = /usr/local
+endif
+
 TARGET = arm-linux-gnu
-TOOLCHAIN_DIR = /usr/local/arm/bin
+TOOLCHAIN_DIR = $(CROSS_PREFIX)/arm/bin
 CFLAGS += -ffixed-r9 -mtp=soft 
 LFLAGS += -N $(SOFTINT_PREFIX)/libsoftint.a