Index: uspace/lib/posix/Makefile
===================================================================
--- uspace/lib/posix/Makefile	(revision ea42e4497b8cd2567767114322e047a55d5908ad)
+++ uspace/lib/posix/Makefile	(revision c39671d56081c255e0f3340f7d2aa8d76eeba02f)
@@ -139,5 +139,5 @@
 	echo '# Generated file, do not modify.' >> $@.new
 	echo '# Do not forget to set HELENOS_EXPORT_ROOT.' >> $@.new
-	echo 'HELENOS_CROSS_PATH="$(shell dirname $(CC))"' >> $@.new
+	echo 'HELENOS_CROSS_PATH="$(shell dirname "$(CC)")"' >> $@.new
 	echo 'HELENOS_ARCH="$(firstword $(subst -, ,$(TARGET)))"' >> $@.new
 	echo 'HELENOS_TARGET="$(TARGET)"' >> $@.new