gdb: add patches from sabotage to make this build/work with musl.

srcpkgs/gdb/patches/gdb-76-linux-low-threaddb.patch

@@ -0,0 +1,32 @@
+this patch fixes compilation of gdbserver on systems that don't have
+thread_db.h. in that case we fall back to gdb's own copy 
+"gdb_thread_db.h", so the typedef of the td_thrhandle_t member is 
+available, which is accessed in other parts of the code without
+checking whether thread_db.h is available.
+this is by far the cleaner solution, removing the accesses to the
+th member in other parts of the source would either litter it with
+ifdefs or cripple the functionality.
+
+--- gdb-7.6.2.org/gdb/gdbserver/linux-low.h
++++ gdb-7.6.2/gdb/gdbserver/linux-low.h
+@@ -18,6 +18,8 @@
+ 
+ #ifdef HAVE_THREAD_DB_H
+ #include <thread_db.h>
++#else
++#include "gdb_thread_db.h"
+ #endif
+ #include <signal.h>
+ 
+@@ -270,11 +272,9 @@
+   int need_step_over;
+ 
+   int thread_known;
+-#ifdef HAVE_THREAD_DB_H
+   /* The thread handle, used for e.g. TLS access.  Only valid if
+      THREAD_KNOWN is set.  */
+   td_thrhandle_t th;
+-#endif
+ 
+   /* Arch-specific additions.  */
+   struct arch_lwp_info *arch_private;

srcpkgs/gdb/patches/gdb-76-pid_t.patch

@@ -0,0 +1,10 @@
+--- gdb-7.6.2.org/gdb/common/linux-ptrace.h
++++ gdb-7.6.2/gdb/common/linux-ptrace.h
+@@ -67,6 +67,7 @@
+ #define __WALL          0x40000000 /* Wait for any child.  */
+ #endif
+ 
++#include <unistd.h> /* for pid_t */
+ extern void linux_ptrace_attach_warnings (pid_t pid, struct buffer *buffer);
+ extern void linux_ptrace_init_warnings (void);
+ 

srcpkgs/gdb/patches/gdb-amd64-debugreg.patch

@@ -0,0 +1,64 @@
+diff -u -r -N gdb-7.3.1-org//gdb/amd64-linux-nat.c gdb-7.3.1-patched//gdb/amd64-linux-nat.c
+--- gdb-7.3.1-org//gdb/amd64-linux-nat.c	1970-01-01 00:00:00.000000000 +0000
++++ gdb-7.3.1-patched//gdb/amd64-linux-nat.c	2011-09-22 22:20:23.438841813 +0000
+@@ -32,7 +32,7 @@
+ #include "elf/common.h"
+ #include <sys/uio.h>
+ #include <sys/ptrace.h>
+-#include <sys/debugreg.h>
++#include "debugreg.h"
+ #include <sys/syscall.h>
+ #include <sys/procfs.h>
+ #include <asm/prctl.h>
+diff -u -r -N gdb-7.3.1-org//gdb/debugreg.h gdb-7.3.1-patched//gdb/debugreg.h
+--- gdb-7.3.1-org//gdb/debugreg.h	1970-01-01 00:00:00.000000000 +0000
++++ gdb-7.3.1-patched//gdb/debugreg.h	2011-09-22 22:20:01.381841813 +0000
+@@ -0,0 +1,48 @@
++#ifndef SYS_DEBUGREG_H
++#define SYS_DEBUGREG_H
++
++#include <stdint.h>
++
++#define DR_FIRSTADDR 0
++#define DR_LASTADDR 3
++
++#define DR_STATUS 6
++#define DR_CONTROL 7
++
++#define DR_TRAP0        (0x1)
++#define DR_TRAP1        (0x2)
++#define DR_TRAP2        (0x4)
++#define DR_TRAP3        (0x8)
++
++#define DR_STEP         (0x4000)
++#define DR_SWITCH       (0x8000)
++
++#define DR_CONTROL_SHIFT 16
++#define DR_CONTROL_SIZE  4
++
++#define DR_RW_EXECUTE   (0x0)
++#define DR_RW_WRITE     (0x1)
++#define DR_RW_READ      (0x3)
++
++#define DR_LEN_1 (0x0)
++#define DR_LEN_2 (0x4)
++#define DR_LEN_4 (0xC)
++#define DR_LEN_8 (0x8)
++
++#define DR_LOCAL_ENABLE_SHIFT  0
++#define DR_GLOBAL_ENABLE_SHIFT 1
++#define DR_ENABLE_SIZE         2
++
++#define DR_LOCAL_ENABLE_MASK  (0x55)
++#define DR_GLOBAL_ENABLE_MASK (0xAA)
++
++
++#if SIZE_MAX > 4294967295
++# define DR_CONTROL_RESERVED (0xFFFFFFFF0000FC00UL)
++#else
++# define DR_CONTROL_RESERVED (0x00FC00U)
++#endif
++#define DR_LOCAL_SLOWDOWN   (0x100)
++#define DR_GLOBAL_SLOWDOWN  (0x200)
++
++#endif

srcpkgs/gdb/patches/gdb-arm-gentmap.patch

@@ -0,0 +1,10 @@
+--- gdb-7.4.org/sim/common/gentmap.c	2012-06-27 16:43:51.032331245 +0000
++++ gdb-7.4/sim/common/gentmap.c	2012-06-27 16:49:12.382319996 +0000
+@@ -2,6 +2,7 @@
+ 
+ #include <stdio.h>
+ #include <stdlib.h>
++#include <string.h>
+ 
+ struct tdefs {
+   char *symbol;

srcpkgs/gdb/patches/gdb-linux_nat.patch

@@ -0,0 +1,30 @@
+the first chunk fixes build errors,
+the non_stop part below fixes thread debugging being available
+by default without setting any breakpoints or usage of libthread_db.
+
+--- gdb-7.4.org/gdb/linux-nat.c	2013-08-10 05:24:24.651000003 +0000
++++ gdb-7.4/gdb/linux-nat.c	2013-08-10 05:25:50.966000003 +0000
+@@ -71,6 +71,14 @@
+ # endif
+ #endif /* HAVE_PERSONALITY */
+ 
++#ifndef __SIGRTMIN
++#define __SIGRTMIN SIGRTMIN
++#endif
++
++#ifndef W_STOPCODE
++#define W_STOPCODE(sig) ((sig) << 8 | 0x7f)
++#endif
++
+ /* This comment documents high-level logic of this file.
+ 
+ Waiting for events in sync mode
+@@ -2265,7 +2273,7 @@
+ 		status = 0;
+ 	    }
+ 
+-	  if (non_stop)
++	  if (1)
+ 	    {
+ 	      /* Add the new thread to GDB's lists as soon as possible
+ 		 so that:

srcpkgs/gdb/patches/gdb-threaddb.patch

@@ -0,0 +1,36 @@
+--- gdb-7.4.org/gdb/common/gdb_thread_db.h
++++ gdb-7.4/gdb/common/gdb_thread_db.h
+@@ -1,17 +1,5 @@
+ #ifdef HAVE_THREAD_DB_H
+ #include <thread_db.h>
+-
+-#ifndef LIBTHREAD_DB_SO
+-#define LIBTHREAD_DB_SO "libthread_db.so.1"
+-#endif
+-
+-#ifndef LIBTHREAD_DB_SEARCH_PATH
+-/* $sdir appears before $pdir for some minimal security protection:
+-   we trust the system libthread_db.so a bit more than some random
+-   libthread_db associated with whatever libpthread the app is using.  */
+-#define LIBTHREAD_DB_SEARCH_PATH "$sdir:$pdir"
+-#endif
+-
+ #else
+ 
+ /* Copyright (C) 1999-2000, 2007-2012 Free Software Foundation, Inc.
+@@ -453,3 +441,15 @@
+ #endif	/* thread_db.h */
+ 
+ #endif /* HAVE_THREAD_DB_H */
++
++#ifndef LIBTHREAD_DB_SO
++#define LIBTHREAD_DB_SO "libthread_db.so.1"
++#endif
++
++#ifndef LIBTHREAD_DB_SEARCH_PATH
++/* $sdir appears before $pdir for some minimal security protection:
++   we trust the system libthread_db.so a bit more than some random
++   libthread_db associated with whatever libpthread the app is using.  */
++#define LIBTHREAD_DB_SEARCH_PATH "$sdir:$pdir"
++#endif
++

srcpkgs/gdb/template

@@ -1,9 +1,10 @@
 # Template file for 'gdb'
 pkgname=gdb
 version=7.6.2
-revision=1
+revision=2
+patch_args="-Np1"
 build_style=gnu-configure
-configure_args="--disable-nls --with-system-readline --with-system-gdbinit=/etc/gdb/gdbinit"
+configure_args="--disable-werror --disable-nls --with-system-readline --with-system-gdbinit=/etc/gdb/gdbinit"
 makedepends="ncurses-devel zlib-devel readline-devel"
 conf_files="/etc/gdb/gdbinit"
 pycompile_dirs="usr/share/gdb/python/gdb"