Index: uspace/lib/c/arch/ia32/Makefile.common
===================================================================
--- uspace/lib/c/arch/ia32/Makefile.common	(revision 4489117e1577b1819144b2d510d0d104689dff33)
+++ uspace/lib/c/arch/ia32/Makefile.common	(revision 8c15255808b8cb7f5be4dc66647bfc281a76c041)
@@ -28,5 +28,9 @@
 
 CLANG_ARCH = i386
+ifeq ($(PROCESSOR),i486)
+GCC_CFLAGS += -march=i486 -fno-omit-frame-pointer
+else
 GCC_CFLAGS += -march=pentium -fno-omit-frame-pointer
+endif
 
 ENDIANESS = LE