patches for gcc 4.6.3. Tested and working

gcc.patch

--- gcc/config/i386/linux-unwind_old.h	2020-04-23 01:24:02.340521262 -0700
+++ gcc/config/i386/linux-unwind.h	2020-04-23 01:25:27.189316948 -0700
@@ -47,7 +47,7 @@
   if (*(unsigned char *)(pc+0) == 0x48
       && *(unsigned long *)(pc+1) == 0x050f0000000fc0c7)
     {
-      struct ucontext *uc_ = context->cfa;
+      ucontext_t *uc_ = context->cfa;
       /* The void * cast is necessary to avoid an aliasing warning.
          The aliasing warning is correct, but should not be a problem
          because it does not alias anything.  */
@@ -133,10 +133,10 @@
     {
       struct rt_sigframe {
 	int sig;
-	struct siginfo *pinfo;
+	siginfo_t *pinfo;
 	void *puc;
-	struct siginfo info;
-	struct ucontext uc;
+	siginfo_t info;
+	ucontext_t uc;
       } *rt_ = context->cfa;
       /* The void * cast is necessary to avoid an aliasing warning.
          The aliasing warning is correct, but should not be a problem

libjava1.patch

--- libjava/include/i386-signal_old.h	2020-04-23 01:44:22.270333520 -0700
+++ libjava/include/i386-signal.h	2020-04-23 01:44:39.510698282 -0700
@@ -26,7 +26,7 @@
 #define HANDLE_DIVIDE_OVERFLOW						\
 do									\
 {									\
-  struct ucontext *_uc = (struct ucontext *)_p;				\
+  ucontext_t *_uc = (ucontext_t *)_p;				\
   gregset_t &_gregs = _uc->uc_mcontext.gregs;				\
   unsigned char *_eip = (unsigned char *)_gregs[REG_EIP];		\
 									\

libjava2.patch

--- libjava/include/x86_64-signal_old.h	2020-04-23 01:40:42.281679031 -0700
+++ libjava/include/x86_64-signal.h	2020-04-23 01:41:10.129268256 -0700
@@ -28,7 +28,7 @@
 #define HANDLE_DIVIDE_OVERFLOW						\
 do									\
 {									\
-  struct ucontext *_uc = (struct ucontext *)_p;				\
+  ucontext_t *_uc = (ucontext_t *)_p;				\
   gregset_t &_gregs = _uc->uc_mcontext.gregs;				\
   unsigned char *_rip = (unsigned char *)_gregs[REG_RIP];		\
 									\