patch-m4-use-older-regnames-on-tiger.diff

--- ./lib/sigsegv.c.orig	2021-05-29 12:41:18.000000000 -0700
+++ ./lib/sigsegv.c	2021-05-29 12:43:06.000000000 -0700
@@ -562,7 +562,7 @@
      - 'ucontext_t' and 'struct __darwin_ucontext' in <sys/_types/_ucontext.h>,
      - 'struct __darwin_mcontext64' in <i386/_mcontext.h>, and
      - 'struct __darwin_x86_thread_state64' in <mach/i386/_structs.h>.  */
-#  define SIGSEGV_FAULT_STACKPOINTER  ((ucontext_t *) ucp)->uc_mcontext->__ss.__rsp
+#  define SIGSEGV_FAULT_STACKPOINTER  ((ucontext_t *) ucp)->uc_mcontext->ss.rsp
 
 # elif defined __i386__
 
@@ -570,7 +570,7 @@
      - 'ucontext_t' and 'struct __darwin_ucontext' in <sys/_types/_ucontext.h>,
      - 'struct __darwin_mcontext32' in <i386/_mcontext.h>, and
      - 'struct __darwin_i386_thread_state' in <mach/i386/_structs.h>.  */
-#  define SIGSEGV_FAULT_STACKPOINTER  ((ucontext_t *) ucp)->uc_mcontext->__ss.__esp
+#  define SIGSEGV_FAULT_STACKPOINTER  ((ucontext_t *) ucp)->uc_mcontext->ss.esp
 
 # elif defined __arm64__
 
@@ -586,7 +586,7 @@
      - 'ucontext_t' and 'struct __darwin_ucontext' in <sys/_structs.h>,
      - 'struct __darwin_mcontext' in <ppc/_structs.h>, and
      - 'struct __darwin_ppc_thread_state' in <mach/ppc/_structs.h>.  */
-#  define SIGSEGV_FAULT_STACKPOINTER  ((ucontext_t *) ucp)->uc_mcontext->__ss.__r1
+#  define SIGSEGV_FAULT_STACKPOINTER  ((ucontext_t *) ucp)->uc_mcontext->ss.r1
 
 # endif