Add dynamic linker support for uClibc-ng/musl
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
diff -Nur gcc-5.4.0.orig/gcc/config/microblaze/linux.h gcc-5.4.0/gcc/config/microblaze/linux.h
--- gcc-5.4.0.orig/gcc/config/microblaze/linux.h 2015-05-28 16:08:19.000000000 +0200
+++ gcc-5.4.0/gcc/config/microblaze/linux.h 2016-10-23 17:09:46.962010871 +0200
-#define DYNAMIC_LINKER "/lib/ld.so.1"
+#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
+#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
+#if TARGET_BIG_ENDIAN_DEFAULT == 0 /* LE */
+#define MUSL_DYNAMIC_LINKER_E "%{EB:;:el}"
+#define MUSL_DYNAMIC_LINKER_E "%{EL:el}"
+#undef MUSL_DYNAMIC_LINKER
+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-microblaze" MUSL_DYNAMIC_LINKER_E ".so.1"
+#if DEFAULT_LIBC == LIBC_UCLIBC
+#define DYNAMIC_LINKER UCLIBC_DYNAMIC_LINKER
+#elif DEFAULT_LIBC == LIBC_MUSL
+#define DYNAMIC_LINKER MUSL_DYNAMIC_LINKER
+#define DYNAMIC_LINKER GLIBC_DYNAMIC_LINKER
#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS \
{ "dynamic_linker", DYNAMIC_LINKER }