Index: uspace/lib/libc/arch/ia32/Makefile.inc
===================================================================
--- uspace/lib/libc/arch/ia32/Makefile.inc	(revision eae4e8fa7dfec64f319138584d0480c91f7579ca)
+++ uspace/lib/libc/arch/ia32/Makefile.inc	(revision 12bef5bfd72e208a4b2624a29343e46b8fb1eded)
@@ -39,4 +39,5 @@
 	arch/$(UARCH)/src/setjmp.S
 
+GCC_CFLAGS += -march=pentium
 LFLAGS += -N