diff -Nur gcc-4.9.2.orig/gcc/config/microblaze/linux.h gcc-4.9.2/gcc/config/microblaze/linux.h
--- gcc-4.9.2.orig/gcc/config/microblaze/linux.h	2014-01-02 16:23:26.000000000 -0600
+++ gcc-4.9.2/gcc/config/microblaze/linux.h	2015-06-07 09:32:24.621501374 -0500
@@ -25,10 +25,23 @@
 #undef TLS_NEEDS_GOT
 #define TLS_NEEDS_GOT 1
 
-#define DYNAMIC_LINKER "/lib/ld.so.1"
+#define GLIBC_DYNAMIC_LINKER	"/lib/ld-linux.so.2"
+#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
+#if DEFAULT_LIBC == LIBC_UCLIBC
+#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
+#elif DEFAULT_LIBC == LIBC_GLIBC
+#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
+#else
+#error "Unsupported DEFAULT_LIBC"
+#endif
+#define GNU_USER_DYNAMIC_LINKER \
+  CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
+
+#define ELF_DYNAMIC_LINKER	GNU_USER_DYNAMIC_LINKER
+
 #undef  SUBTARGET_EXTRA_SPECS
 #define SUBTARGET_EXTRA_SPECS \
-  { "dynamic_linker", DYNAMIC_LINKER }
+  { "dynamic_linker", ELF_DYNAMIC_LINKER }
 
 #undef LINK_SPEC
 #define LINK_SPEC "%{shared:-shared} \