Add a patch to gdb that fixes compilation with gcc 10

patches/gdb-7.5.1-PS3.patch

@@ -0,0 +1,26 @@
+From e90e9ad97190c3e187285682d905582503f4a42a Mon Sep 17 00:00:00 2001
+From: Tom Tromey <[email protected]>
+Date: Wed, 5 Dec 2012 14:56:18 +0000
+Subject: [PATCH] 	PR gdb/14917: 	* server.h (current_insn_ptr,
+ emit_error): Declare 'extern'.
+
+---
+ gdb/gdbserver/ChangeLog | 5 +++++
+ gdb/gdbserver/server.h  | 4 ++--
+ 2 files changed, 7 insertions(+), 2 deletions(-)
+
+diff --git a/gdb/gdbserver/server.h b/gdb/gdbserver/server.h
+index e93ad00c1d1..929819e55bc 100644
+--- a/gdb/gdbserver/server.h
++++ b/gdb/gdbserver/server.h
+@@ -523,8 +523,8 @@ CORE_ADDR get_get_tsv_func_addr (void);
+    function in the IPA.  */
+ CORE_ADDR get_set_tsv_func_addr (void);
+
+-CORE_ADDR current_insn_ptr;
+-int emit_error;
++extern CORE_ADDR current_insn_ptr;
++extern int emit_error;
+
+ /* Version information, from version.c.  */
+ extern const char version[];

scripts/003-gdb-PPU.sh

@@ -15,6 +15,9 @@ if [ ! -d ${GDB} ]; then
   ## Unpack the source code.
   tar xfvj ${GDB}.tar.bz2
 
+  ## Patch the source code.
+  cat ../patches/${GDB}-PS3.patch | patch -p1 -d ${GDB}
+
   ## Replace config.guess and config.sub
   cp config.guess config.sub ${GDB}
 

scripts/007-gdb-SPU.sh

@@ -15,6 +15,9 @@ if [ ! -d ${GDB} ]; then
   ## Unpack the source code.
   tar xfvj ${GDB}.tar.bz2
 
+  ## Patch the source code.
+  cat ../patches/${GDB}-PS3.patch | patch -p1 -d ${GDB}
+
   ## Replace config.guess and config.sub
   cp config.guess config.sub ${GDB}