[PATCH 5/13] microblaze musl support

[Szabolcs Nagy]

Set up dynamic linker name for microblaze.

gcc/Changelog:

2015-04-16  Gregor Richards  <gregor.richa...@uwaterloo.ca>

        * config/microblaze/linux.h (MUSL_DYNAMIC_LINKER): Define.
        (DYNAMIC_LINKER): Change.

diff --git a/gcc/config/microblaze/linux.h b/gcc/config/microblaze/linux.h
index a7faa7d..14fe41e 100644
--- a/gcc/config/microblaze/linux.h
+++ b/gcc/config/microblaze/linux.h
@@ -25,7 +25,21 @@
 #undef TLS_NEEDS_GOT
 #define TLS_NEEDS_GOT 1
 
-#define DYNAMIC_LINKER "/lib/ld.so.1"
+#if TARGET_BIG_ENDIAN_DEFAULT == 0 /* LE */
+#define MUSL_DYNAMIC_LINKER_E "%{EB:;:el}"
+#else
+#define MUSL_DYNAMIC_LINKER_E "%{EL:el}"
+#endif
+
+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-microblaze" MUSL_DYNAMIC_LINKER_E ".so.1"
+#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
+
+#if DEFAULT_LIBC == LIBC_MUSL
+#define DYNAMIC_LINKER MUSL_DYNAMIC_LINKER
+#else
+#define DYNAMIC_LINKER GLIBC_DYNAMIC_LINKER
+#endif
+
 #undef  SUBTARGET_EXTRA_SPECS
 #define SUBTARGET_EXTRA_SPECS \
   { "dynamic_linker", DYNAMIC_LINKER }