diff -Nur gcc-7.3.0.orig/gcc/config/m68k/linux.h gcc-7.3.0/gcc/config/m68k/linux.h
--- gcc-7.3.0.orig/gcc/config/m68k/linux.h	2017-01-06 22:21:02.000000000 +0100
+++ gcc-7.3.0/gcc/config/m68k/linux.h	2018-10-05 06:38:51.000000000 +0200
@@ -73,6 +73,9 @@
 
 #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 -Nur gcc-7.3.0.orig/libgcc/config/m68k/linux-unwind.h gcc-7.3.0/libgcc/config/m68k/linux-unwind.h
--- gcc-7.3.0.orig/libgcc/config/m68k/linux-unwind.h	2017-07-04 12:22:56.000000000 +0200
+++ gcc-7.3.0/libgcc/config/m68k/linux-unwind.h	2018-10-05 06:38:51.000000000 +0200
@@ -37,7 +37,7 @@
 	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