diff --git a/gcc/config/m68k/linux.h b/gcc/config/m68k/linux.h
index f584d19e179..a3c215550fe 100644
--- a/gcc/config/m68k/linux.h
+++ b/gcc/config/m68k/linux.h
@@ -73,6 +73,9 @@ along with GCC; see the file COPYING3.  If not see
 
 #define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
 
+#undef MUSL_DYNAMIC_LINKER
+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-m68k.so.1"
+
 #undef LINK_SPEC
 #define LINK_SPEC "-m m68kelf %{shared} \
   %{!shared: \
diff --git a/libgcc/config/m68k/linux-unwind.h b/libgcc/config/m68k/linux-unwind.h
index 395e4b3212a..432b757541c 100644
--- a/libgcc/config/m68k/linux-unwind.h
+++ b/libgcc/config/m68k/linux-unwind.h
@@ -37,7 +37,7 @@ struct uw_ucontext {
 	stack_t		  uc_stack;
 	mcontext_t	  uc_mcontext;
 	unsigned long	  uc_filler[80];
-	__sigset_t	  uc_sigmask;
+	sigset_t	  uc_sigmask;
 };
 
 #define MD_FALLBACK_FRAME_STATE_FOR m68k_fallback_frame_state