Index: uspace/lib/c/arch/sparc64/Makefile.common
===================================================================
--- uspace/lib/c/arch/sparc64/Makefile.common	(revision 71d0d73754e90e17b9c25671ba4aa25c3c536274)
+++ uspace/lib/c/arch/sparc64/Makefile.common	(revision 0cb47cf9e679a005ef1f1554a8df7d386a703a2b)
@@ -27,5 +27,5 @@
 #
 
-GCC_CFLAGS += -mcpu=ultrasparc -m64
+GCC_CFLAGS += -mcpu=ultrasparc -m64 -mcmodel=medlow
 LFLAGS = -no-check-sections