Update to sagemath 6.5

sagemath-pari.patch

@@ -1,6 +1,68 @@
+diff -up src/sage/libs/pari/decl.pxi.orig src/sage/libs/pari/decl.pxi
+--- src/sage/libs/pari/decl.pxi.orig	2015-04-03 17:09:59.840683372 -0300
++++ src/sage/libs/pari/decl.pxi	2015-04-03 17:10:10.876683795 -0300
+@@ -165,7 +165,6 @@ cdef extern from 'parisage.h':
+     extern int new_galois_format, precdl
+     # The "except 0" here is to ensure compatibility with
+     # _pari_err_handle() in handle_error.pyx
+-    extern int (*cb_pari_err_handle)(GEN) except 0
+     extern int (*cb_pari_handle_exception)(long) except 0
+     extern void (*cb_pari_err_recover)(long)
+ 
+@@ -3757,6 +3756,3 @@ cdef extern from 'pari/paripriv.h':
+         unsigned long flags
+     
+     extern gp_data* GP_DATA
+-
+-cdef extern from 'pari/anal.h':
+-    char* closure_func_err()
+diff -up src/sage/libs/pari/handle_error.pyx.orig src/sage/libs/pari/handle_error.pyx
+--- src/sage/libs/pari/handle_error.pyx.orig	2015-04-03 17:09:59.842683372 -0300
++++ src/sage/libs/pari/handle_error.pyx	2015-04-03 17:10:10.876683795 -0300
+@@ -131,13 +131,13 @@ cdef void _pari_init_error_handling():
+         sage: pari('warning("test")')
+           ***   user warning: test
+     """
+-    global cb_pari_err_handle
++    global cb_pari_handle_exception
+     global cb_pari_err_recover
+-    cb_pari_err_handle = _pari_err_handle
++    cb_pari_handle_exception = _pari_handle_exception
+     cb_pari_err_recover = _pari_err_recover
+ 
+ 
+-cdef int _pari_err_handle(GEN E) except 0:
++cdef int _pari_handle_exception(long errnum_unused) except 0:
+     """
+     Convert a PARI error into a Sage exception, unless the error was
+     a stack overflow, in which case we enlarge the stack.
+@@ -156,6 +156,7 @@ cdef int _pari_err_handle(GEN E) except
+         PariError: impossible inverse in gdiv: 0
+ 
+     """
++    cdef GEN E = pari_err_last()
+     cdef long errnum = E[1]
+     if errnum == e_STACK:
+         # PARI is out of memory.  We double the size of the PARI stack
+@@ -165,15 +166,10 @@ cdef int _pari_err_handle(GEN E) except
+ 
+     sig_block()
+     cdef char* errstr
+-    cdef char* s
+     try:
+         errstr = pari_err2str(E)
+         pari_error_string = errstr.decode('ascii')
+ 
+-        s = closure_func_err()
+-        if s is not NULL:
+-            pari_error_string = s.decode('ascii') + ": " + pari_error_string
+-
+         raise PariError(errnum, pari_error_string, pari_instance.new_gen_noclear(E))
+     finally:
+         pari_free(errstr)
 diff -up src/sage/libs/pari/pari_instance.pxd.orig src/sage/libs/pari/pari_instance.pxd
---- src/sage/libs/pari/pari_instance.pxd.orig	2014-11-18 15:25:03.591127791 -0200
-+++ src/sage/libs/pari/pari_instance.pxd	2014-11-18 15:25:18.999127995 -0200
+--- src/sage/libs/pari/pari_instance.pxd.orig	2015-04-03 17:09:59.834683372 -0300
++++ src/sage/libs/pari/pari_instance.pxd	2015-04-03 17:10:10.874683795 -0300
 @@ -6,6 +6,10 @@ cimport cython
  
  from sage.libs.pari.gen cimport gen
@@ -13,9 +75,9 @@ diff -up src/sage/libs/pari/pari_instance.pxd.orig src/sage/libs/pari/pari_insta
  
  @cython.final
 diff -up src/sage/libs/pari/pari_instance.pyx.orig src/sage/libs/pari/pari_instance.pyx
---- src/sage/libs/pari/pari_instance.pyx.orig	2014-11-18 15:25:16.287127959 -0200
-+++ src/sage/libs/pari/pari_instance.pyx	2014-11-18 15:25:19.000127995 -0200
-@@ -437,7 +437,12 @@ cdef class PariInstance(sage.structure.p
+--- src/sage/libs/pari/pari_instance.pyx.orig	2015-04-03 17:09:59.835683372 -0300
++++ src/sage/libs/pari/pari_instance.pyx	2015-04-03 17:10:10.874683795 -0300
+@@ -417,7 +417,12 @@ cdef class PariInstance(sage.structure.p
          # The size here doesn't really matter, because we will allocate
          # our own stack anyway. We ask PARI not to set up signal and
          # error handlers.
@@ -28,3 +90,13 @@ diff -up src/sage/libs/pari/pari_instance.pyx.orig src/sage/libs/pari/pari_insta
  
          _pari_init_error_handling()
  
+diff -up src/sage/libs/pari/handle_error.pxd.orig src/sage/libs/pari/handle_error.pxd
+--- src/sage/libs/pari/handle_error.pxd.orig	2015-04-03 17:14:16.506693201 -0300
++++ src/sage/libs/pari/handle_error.pxd	2015-04-03 17:14:44.287694265 -0300
+@@ -1,5 +1,5 @@
+ include 'sage/libs/pari/decl.pxi'
+ 
+ cdef void _pari_init_error_handling()
+-cdef int _pari_err_handle(GEN E) except 0
++cdef int _pari_handle_exception(long errnum_unused) except 0
+ cdef void _pari_err_recover(long errnum)