diff --git a/.gitignore b/.gitignore
index fa2f8ad..4956ac8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@
 /sage-7.3.tar.gz
 /sage-7.4.tar.gz
 /sage-7.5.1.tar.gz
+/sage-7.6.tar.gz
diff --git a/sagemath-4ti2.patch b/sagemath-4ti2.patch
index a4afb86..1c256e6 100644
--- a/sagemath-4ti2.patch
+++ b/sagemath-4ti2.patch
@@ -1,7 +1,7 @@
 diff -up src/sage/sandpiles/sandpile.py.orig src/sage/sandpiles/sandpile.py
---- src/sage/sandpiles/sandpile.py.orig	2017-03-04 13:25:45.385473644 -0500
-+++ src/sage/sandpiles/sandpile.py	2017-03-04 13:25:53.872473969 -0500
-@@ -346,9 +346,6 @@ from sage.arith.all import falling_facto
+--- src/sage/sandpiles/sandpile.py.orig	2017-04-11 09:56:54.907264014 -0400
++++ src/sage/sandpiles/sandpile.py	2017-04-11 09:57:04.274264373 -0400
+@@ -347,9 +347,6 @@ from sage.arith.all import falling_facto
  from sage.rings.all import Integer, PolynomialRing, QQ, ZZ
  from sage.symbolic.all import I, pi
  
@@ -11,7 +11,7 @@ diff -up src/sage/sandpiles/sandpile.py.orig src/sage/sandpiles/sandpile.py
  class Sandpile(DiGraph):
      """
      Class for Dhar's abelian sandpile model.
-@@ -5197,7 +5194,7 @@ class SandpileDivisor(dict):
+@@ -5202,7 +5199,7 @@ class SandpileDivisor(dict):
          sign_file.close()
          # compute
          try:
diff --git a/sagemath-atlas.patch b/sagemath-atlas.patch
index b2dd2d4..cc43b4b 100644
--- a/sagemath-atlas.patch
+++ b/sagemath-atlas.patch
@@ -1,6 +1,6 @@
 diff -up src/module_list.py.orig src/module_list.py
---- src/module_list.py.orig	2017-03-29 19:33:34.149118879 -0400
-+++ src/module_list.py	2017-03-29 19:34:09.520120233 -0400
+--- src/module_list.py.orig	2017-04-11 10:03:27.798279059 -0400
++++ src/module_list.py	2017-04-11 10:05:34.272283903 -0400
 @@ -12,20 +12,14 @@ SAGE_INC = '/usr/include'
  import pkgconfig
  
@@ -26,19 +26,20 @@ diff -up src/module_list.py.orig src/module_list.py
  
  # FFLAS-FFPACK
  fflas_ffpack_pc = pkgconfig.parse('fflas-ffpack')
-@@ -45,7 +39,8 @@ givaro_cflags = pkgconfig.cflags('givaro
+@@ -44,7 +38,9 @@ givaro_cflags = pkgconfig.cflags('givaro
+ # The above cblas should already be in the list thanks to #20646
  gsl_pc = pkgconfig.parse('gsl')
  gsl_libs = gsl_pc['libraries']
- gsl_libs.remove('gslcblas')
 -gsl_library_dirs = gsl_pc['library_dirs']
++gsl_libs.remove('gslcblas')
 +gsl_libs.extend(cblas_libs)
 +gsl_library_dirs = list(cblas_pc['library_dirs'])
  gsl_include_dirs = gsl_pc['include_dirs']
  
  # GD image library
 diff -up src/sage/misc/cython.py.orig src/sage/misc/cython.py
---- src/sage/misc/cython.py.orig	2017-03-29 19:33:27.181118612 -0400
-+++ src/sage/misc/cython.py	2017-03-29 19:33:36.568118971 -0400
+--- src/sage/misc/cython.py.orig	2017-04-11 10:05:44.166284281 -0400
++++ src/sage/misc/cython.py	2017-04-11 10:06:00.016284888 -0400
 @@ -30,15 +30,11 @@ import pkgconfig
  
  
diff --git a/sagemath-extensions.patch b/sagemath-extensions.patch
index affd680..285d7db 100644
--- a/sagemath-extensions.patch
+++ b/sagemath-extensions.patch
@@ -1,7 +1,7 @@
 diff -up src/module_list.py.orig src/module_list.py
---- src/module_list.py.orig	2017-03-04 13:10:19.482438188 -0500
-+++ src/module_list.py	2017-03-04 13:13:17.345444999 -0500
-@@ -166,7 +166,6 @@ library_order["stdc++"] = 1000
+--- src/module_list.py.orig	2017-04-11 09:54:40.320258860 -0400
++++ src/module_list.py	2017-04-11 09:54:50.432259248 -0400
+@@ -165,7 +165,6 @@ library_order["stdc++"] = 1000
  ###
  #############################################################
  
@@ -9,7 +9,7 @@ diff -up src/module_list.py.orig src/module_list.py
  UNAME = os.uname()
  
  def uname_specific(name, value, alternative):
-@@ -382,21 +381,21 @@ ext_modules = [
+@@ -381,21 +380,21 @@ ext_modules = [
                sources = ['sage/graphs/matchpoly.pyx'],
                extra_compile_args = ['-std=c99']),
  
@@ -46,7 +46,7 @@ diff -up src/module_list.py.orig src/module_list.py
  
      Extension('sage.graphs.planarity',
                sources = ['sage/graphs/planarity.pyx'],
-@@ -415,10 +414,10 @@ ext_modules = [
+@@ -414,10 +413,10 @@ ext_modules = [
      Extension('sage.graphs.graph_decompositions.cutwidth',
                sources = ['sage/graphs/graph_decompositions/cutwidth.pyx']),
  
@@ -61,7 +61,7 @@ diff -up src/module_list.py.orig src/module_list.py
  
      Extension('sage.graphs.spanning_tree',
                sources = ['sage/graphs/spanning_tree.pyx']),
-@@ -545,18 +544,18 @@ ext_modules = [
+@@ -512,18 +511,18 @@ ext_modules = [
      ##
      ################################
  
@@ -87,7 +87,7 @@ diff -up src/module_list.py.orig src/module_list.py
               ["sage/libs/fes.pyx"],
               language = "c",
               libraries = ['fes'],
-@@ -580,17 +579,17 @@ ext_modules = [
+@@ -547,17 +546,17 @@ ext_modules = [
      Extension('sage.libs.gmp.pylong',
                sources = ['sage/libs/gmp/pylong.pyx']),
  
@@ -114,7 +114,7 @@ diff -up src/module_list.py.orig src/module_list.py
  
      Extension('*', ['sage/libs/linbox/*.pyx']),
  
-@@ -917,10 +916,10 @@ ext_modules = [
+@@ -895,10 +894,10 @@ ext_modules = [
      Extension('sage.matrix.matrix_window',
                sources = ['sage/matrix/matrix_window.pyx']),
  
@@ -129,7 +129,7 @@ diff -up src/module_list.py.orig src/module_list.py
  
      Extension('sage.matrix.misc',
                sources = ['sage/matrix/misc.pyx'],
-@@ -1099,19 +1098,19 @@ ext_modules = [
+@@ -1077,19 +1076,19 @@ ext_modules = [
      Extension("sage.numerical.backends.interactivelp_backend",
                ["sage/numerical/backends/interactivelp_backend.pyx"]),
  
@@ -161,7 +161,7 @@ diff -up src/module_list.py.orig src/module_list.py
                ["sage/numerical/backends/coin_backend.pyx"],
                language = 'c++',
                libraries = ["Cbc", "CbcSolver", "Cgl", "Clp", "CoinUtils",
-@@ -1583,7 +1582,7 @@ ext_modules = [
+@@ -1572,7 +1571,7 @@ ext_modules = [
      ##
      ################################
  
@@ -170,7 +170,7 @@ diff -up src/module_list.py.orig src/module_list.py
                sources = ["sage/sat/solvers/cryptominisat/cryptominisat.pyx"],
                include_dirs = [os.path.join(SAGE_INC, "cmsat")] + zlib_include_dirs,
                language = "c++",
-@@ -1591,7 +1590,7 @@ ext_modules = [
+@@ -1580,7 +1579,7 @@ ext_modules = [
                library_dirs = zlib_library_dirs,
                package = 'cryptominisat'),
  
diff --git a/sagemath-fes.patch b/sagemath-fes.patch
index fe314ac..c6a059f 100644
--- a/sagemath-fes.patch
+++ b/sagemath-fes.patch
@@ -1,7 +1,7 @@
 diff -up src/module_list.py.orig src/module_list.py
---- src/module_list.py.orig	2017-03-04 13:33:14.446490840 -0500
-+++ src/module_list.py	2017-03-04 13:33:23.046491170 -0500
-@@ -555,11 +555,11 @@ ext_modules = [
+--- src/module_list.py.orig	2017-04-11 10:00:15.271271687 -0400
++++ src/module_list.py	2017-04-11 10:00:26.344272111 -0400
+@@ -522,11 +522,11 @@ ext_modules = [
                sources = ["sage/libs/ecl.pyx"],
                libraries = ["ecl"]),
  
diff --git a/sagemath-gcc6.patch b/sagemath-gcc6.patch
index 67aa0d2..2fab435 100644
--- a/sagemath-gcc6.patch
+++ b/sagemath-gcc6.patch
@@ -1,7 +1,7 @@
 diff -up src/module_list.py.orig src/module_list.py
---- src/module_list.py.orig	2017-03-29 18:45:52.972009314 -0400
-+++ src/module_list.py	2017-03-29 18:46:02.855009693 -0400
-@@ -880,7 +880,7 @@ ext_modules = [
+--- src/module_list.py.orig	2017-04-11 10:02:15.848276304 -0400
++++ src/module_list.py	2017-04-11 10:02:24.616276640 -0400
+@@ -855,7 +855,7 @@ ext_modules = [
                library_dirs = m4ri_library_dirs,
                include_dirs = m4ri_include_dirs,
                depends = [SAGE_INC + "/m4rie/m4rie.h"],
diff --git a/sagemath-includes.patch b/sagemath-includes.patch
index acdc559..0ecfd28 100644
--- a/sagemath-includes.patch
+++ b/sagemath-includes.patch
@@ -1,7 +1,7 @@
 diff -up src/module_list.py.orig src/module_list.py
---- src/module_list.py.orig	2017-03-29 18:42:35.820001764 -0400
-+++ src/module_list.py	2017-03-29 18:43:56.158004841 -0400
-@@ -63,6 +63,7 @@ linbox_cflags = pkgconfig.cflags('linbox
+--- src/module_list.py.orig	2017-04-11 10:01:47.513275219 -0400
++++ src/module_list.py	2017-04-11 10:02:00.105275701 -0400
+@@ -62,6 +62,7 @@ linbox_cflags = pkgconfig.cflags('linbox
  # Singular
  singular_pc = pkgconfig.parse('Singular')
  singular_libs = singular_pc['libraries']
@@ -9,7 +9,7 @@ diff -up src/module_list.py.orig src/module_list.py
  singular_library_dirs = singular_pc['library_dirs']
  singular_cflags = pkgconfig.cflags('Singular').split()
  
-@@ -188,7 +189,8 @@ ext_modules = [
+@@ -187,7 +188,8 @@ ext_modules = [
                 language='c++',
                 libraries = ["gmp", "m", "ntl"]),
  
@@ -19,7 +19,7 @@ diff -up src/module_list.py.orig src/module_list.py
  
      Extension('sage.algebras.quatalg.quaternion_algebra_cython',
                 sources = ['sage/algebras/quatalg/quaternion_algebra_cython.pyx'],
-@@ -607,7 +609,8 @@ ext_modules = [
+@@ -574,7 +576,8 @@ ext_modules = [
                                                          [])),
  
      Extension('sage.libs.lrcalc.lrcalc',
@@ -29,7 +29,7 @@ diff -up src/module_list.py.orig src/module_list.py
  
      Extension('*', ['sage/libs/cypari2/*.pyx']),
      Extension('*', ['sage/libs/pari/*.pyx']),
-@@ -625,7 +628,8 @@ ext_modules = [
+@@ -592,7 +595,8 @@ ext_modules = [
                sources = ['sage/libs/readline.pyx'],
                libraries = ['readline']),
  
@@ -39,7 +39,7 @@ diff -up src/module_list.py.orig src/module_list.py
  
      Extension('sage.libs.symmetrica.symmetrica',
                sources = ["sage/libs/symmetrica/symmetrica.pyx"],
-@@ -633,17 +637,21 @@ ext_modules = [
+@@ -600,17 +604,21 @@ ext_modules = [
  
      Extension('sage.libs.mpmath.utils',
                sources = ["sage/libs/mpmath/utils.pyx"],
@@ -65,7 +65,7 @@ diff -up src/module_list.py.orig src/module_list.py
  
      ###################################
      ##
-@@ -651,7 +659,8 @@ ext_modules = [
+@@ -618,7 +626,8 @@ ext_modules = [
      ##
      ###################################
  
@@ -75,7 +75,7 @@ diff -up src/module_list.py.orig src/module_list.py
  
      ###################################
      ##
-@@ -824,6 +833,7 @@ ext_modules = [
+@@ -799,6 +808,7 @@ ext_modules = [
      Extension("sage.matrix.matrix_complex_ball_dense",
                ["sage/matrix/matrix_complex_ball_dense.pyx"],
                libraries=['arb', 'mpfi', 'mpfr'],
@@ -83,15 +83,15 @@ diff -up src/module_list.py.orig src/module_list.py
                language = "c++"),
  
      Extension('sage.matrix.matrix_complex_double_dense',
-@@ -891,6 +901,7 @@ ext_modules = [
+@@ -866,6 +876,7 @@ ext_modules = [
                sources = ['sage/matrix/matrix_modn_sparse.pyx']),
  
      Extension('sage.matrix.matrix_mpolynomial_dense',
 +              include_dirs = singular_incs,
                sources = ['sage/matrix/matrix_mpolynomial_dense.pyx']),
  
-     Extension('sage.matrix.matrix_rational_dense',
-@@ -1203,6 +1214,7 @@ ext_modules = [
+     Extension('sage.matrix.matrix_polynomial_dense',
+@@ -1189,6 +1200,7 @@ ext_modules = [
      Extension("sage.rings.complex_arb",
                ["sage/rings/complex_arb.pyx"],
                libraries=['mpfi', 'mpfr', 'gmp'],
@@ -99,7 +99,7 @@ diff -up src/module_list.py.orig src/module_list.py
                language = 'c++'),
  
      Extension('sage.rings.complex_double',
-@@ -1275,6 +1287,7 @@ ext_modules = [
+@@ -1264,6 +1276,7 @@ ext_modules = [
      Extension("sage.rings.real_arb",
                ["sage/rings/real_arb.pyx"],
                libraries = ['mpfi', 'mpfr'],
@@ -107,7 +107,7 @@ diff -up src/module_list.py.orig src/module_list.py
                language = 'c++'),
  
      Extension('sage.rings.real_lazy',
-@@ -1473,12 +1486,15 @@ ext_modules = [
+@@ -1462,12 +1475,15 @@ ext_modules = [
                sources = ['sage/rings/polynomial/multi_polynomial.pyx']),
  
      Extension('sage.rings.polynomial.multi_polynomial_ideal_libsingular',
@@ -123,7 +123,7 @@ diff -up src/module_list.py.orig src/module_list.py
                sources = ['sage/rings/polynomial/multi_polynomial_libsingular.pyx']),
  
      Extension('sage.rings.polynomial.multi_polynomial_ring_generic',
-@@ -1492,6 +1508,7 @@ ext_modules = [
+@@ -1481,6 +1497,7 @@ ext_modules = [
  
      Extension('sage.rings.polynomial.polynomial_complex_arb',
                 sources = ['sage/rings/polynomial/polynomial_complex_arb.pyx'],
@@ -132,8 +132,8 @@ diff -up src/module_list.py.orig src/module_list.py
  
      Extension('sage.rings.polynomial.polynomial_compiled',
 diff -up src/setup.py.orig src/setup.py
---- src/setup.py.orig	2017-03-29 18:42:34.196001702 -0400
-+++ src/setup.py	2017-03-29 18:42:39.088001890 -0400
+--- src/setup.py.orig	2017-04-11 10:01:57.270275593 -0400
++++ src/setup.py	2017-04-11 10:02:00.107275701 -0400
 @@ -83,6 +83,7 @@ except KeyError:
  # search for dependencies and add to gcc -I<path>
  # this depends on SAGE_CYTHONIZED
diff --git a/sagemath-libgap.patch b/sagemath-libgap.patch
index 0db4199..541dfd7 100644
--- a/sagemath-libgap.patch
+++ b/sagemath-libgap.patch
@@ -1,6 +1,6 @@
 diff -up src/sage/libs/gap/test/main.c.orig src/sage/libs/gap/test/main.c
---- src/sage/libs/gap/test/main.c.orig	2017-03-04 13:30:35.525484755 -0500
-+++ src/sage/libs/gap/test/main.c	2017-03-04 13:30:58.662485641 -0500
+--- src/sage/libs/gap/test/main.c.orig	2017-04-11 09:59:37.166270228 -0400
++++ src/sage/libs/gap/test/main.c	2017-04-11 09:59:39.063270300 -0400
 @@ -22,7 +22,7 @@ void eval(char* cmd) {
    libgap_start_interaction(cmd);
  
@@ -11,9 +11,9 @@ diff -up src/sage/libs/gap/test/main.c.orig src/sage/libs/gap/test/main.c
    char* out = libgap_get_output();
    libgap_exit();
 diff -up src/sage/libs/gap/util.pyx.orig src/sage/libs/gap/util.pyx
---- src/sage/libs/gap/util.pyx.orig	2017-03-04 13:31:07.509485979 -0500
-+++ src/sage/libs/gap/util.pyx	2017-03-04 13:31:44.126487382 -0500
-@@ -154,17 +154,9 @@ def gap_root():
+--- src/sage/libs/gap/util.pyx.orig	2017-04-11 09:59:20.424269587 -0400
++++ src/sage/libs/gap/util.pyx	2017-04-11 09:59:39.065270300 -0400
+@@ -158,17 +158,9 @@ def gap_root():
  
          sage: from sage.libs.gap.util import gap_root
          sage: gap_root()   # random output
diff --git a/sagemath-lrslib.patch b/sagemath-lrslib.patch
index f29c8cb..3826e8c 100644
--- a/sagemath-lrslib.patch
+++ b/sagemath-lrslib.patch
@@ -1,7 +1,7 @@
 diff -up src/sage/geometry/polyhedron/base.py.orig src/sage/geometry/polyhedron/base.py
---- src/sage/geometry/polyhedron/base.py.orig	2017-03-04 13:27:41.267478082 -0500
-+++ src/sage/geometry/polyhedron/base.py	2017-03-04 13:27:49.646478403 -0500
-@@ -21,7 +21,6 @@ import six
+--- src/sage/geometry/polyhedron/base.py.orig	2017-04-11 09:57:57.498266411 -0400
++++ src/sage/geometry/polyhedron/base.py	2017-04-11 09:58:07.176266782 -0400
+@@ -22,7 +22,6 @@ import six
  from sage.structure.element import Element, coerce_binop, is_Vector
  
  from sage.misc.all import cached_method, prod
@@ -9,7 +9,7 @@ diff -up src/sage/geometry/polyhedron/base.py.orig src/sage/geometry/polyhedron/
  
  from sage.rings.all import QQ, ZZ
  from sage.rings.real_double import RDF
-@@ -3680,10 +3679,6 @@ class Polyhedron_base(Element):
+@@ -3988,10 +3987,6 @@ class Polyhedron_base(Element):
  
               David Avis's lrs program.
          """
diff --git a/sagemath-nauty.patch b/sagemath-nauty.patch
index 5629cc0..4d63a87 100644
--- a/sagemath-nauty.patch
+++ b/sagemath-nauty.patch
@@ -1,7 +1,7 @@
 diff -up src/sage/graphs/graph_generators.py.orig src/sage/graphs/graph_generators.py
---- src/sage/graphs/graph_generators.py.orig	2017-03-04 13:28:37.640480240 -0500
-+++ src/sage/graphs/graph_generators.py	2017-03-04 13:28:47.287480610 -0500
-@@ -874,7 +874,7 @@ class GraphGenerators():
+--- src/sage/graphs/graph_generators.py.orig	2017-04-11 09:58:45.689268257 -0400
++++ src/sage/graphs/graph_generators.py	2017-04-11 09:58:53.297268548 -0400
+@@ -875,7 +875,7 @@ class GraphGenerators():
              >A geng -d0D3 n=4 e=0-6
          """
          import subprocess
diff --git a/sagemath-pari.patch b/sagemath-pari.patch
index 8664548..8ce27b5 100644
--- a/sagemath-pari.patch
+++ b/sagemath-pari.patch
@@ -1,7 +1,7 @@
 diff -up src/sage/libs/cypari2/paridecl.pxd.orig src/sage/libs/cypari2/paridecl.pxd
---- src/sage/libs/cypari2/paridecl.pxd.orig	2017-03-04 14:37:56.976639516 -0500
-+++ src/sage/libs/cypari2/paridecl.pxd	2017-03-04 14:38:09.953640013 -0500
-@@ -77,7 +77,7 @@ cdef extern from "sage/libs/cypari2/cypa
+--- src/sage/libs/cypari2/paridecl.pxd.orig	2017-04-18 07:41:28.165058343 -0400
++++ src/sage/libs/cypari2/paridecl.pxd	2017-04-18 07:45:56.847068632 -0400
+@@ -84,7 +84,7 @@ cdef extern from *:     # PARI headers a
      int     PARI_SIGINT_block, PARI_SIGINT_pending
      void    NEXT_PRIME_VIADIFF(long, byteptr)
      void    PREC_PRIME_VIADIFF(long, byteptr)
@@ -11,14 +11,14 @@ diff -up src/sage/libs/cypari2/paridecl.pxd.orig src/sage/libs/cypari2/paridecl.
      int     precdl
      # The "except 0" here is to ensure compatibility with
 diff -up src/sage/libs/cypari2/pari_instance.pyx.orig src/sage/libs/cypari2/pari_instance.pyx
---- src/sage/libs/cypari2/pari_instance.pyx.orig	2017-03-04 14:38:30.535640801 -0500
-+++ src/sage/libs/cypari2/pari_instance.pyx	2017-03-04 14:38:39.680641151 -0500
-@@ -510,7 +510,7 @@ cdef class PariInstance(PariInstance_aut
-         # As a simple heuristic, we set the virtual stack to 1/4 of the
-         # virtual memory.
+--- src/sage/libs/cypari2/pari_instance.pyx.orig	2017-04-18 07:46:04.924068941 -0400
++++ src/sage/libs/cypari2/pari_instance.pyx	2017-04-18 07:46:41.870070356 -0400
+@@ -461,7 +461,7 @@ cdef class Pari(Pari_auto):
  
--        pari_init_opts(size, maxprime, INIT_DFTm)
-+        pari_init_opts(size, maxprime, INIT_DFTm|INIT_noINTGMPm)
- 
-         from sage.misc.getusage import virtual_memory_limit
+         # Take 1MB as minimal stack. Use maxprime=0, which PARI will
+         # internally increase to some small value like 65537.
+-        pari_init_opts(1000000, 0, INIT_DFTm)
++        pari_init_opts(1000000, 0, INIT_DFTm|INIT_noINTGMPm)
  
+         # Disable PARI's stack overflow checking which is incompatible
+         # with multi-threading.
diff --git a/sagemath-readonly.patch b/sagemath-readonly.patch
index 5c3041a..31f3d5a 100644
--- a/sagemath-readonly.patch
+++ b/sagemath-readonly.patch
@@ -1,7 +1,7 @@
 diff -up src/sage/all.py.orig src/sage/all.py
---- src/sage/all.py.orig	2017-03-04 13:24:30.701470784 -0500
-+++ src/sage/all.py	2017-03-04 13:24:50.878471557 -0500
-@@ -300,11 +300,11 @@ def _write_started_file():
+--- src/sage/all.py.orig	2017-04-11 09:56:17.559262584 -0400
++++ src/sage/all.py	2017-04-11 09:56:25.743262897 -0400
+@@ -298,11 +298,11 @@ def _write_started_file():
  
      Check that the file exists when Sage is running::
  
diff --git a/sagemath-sagedoc.patch b/sagemath-sagedoc.patch
index 761e70e..934f448 100644
--- a/sagemath-sagedoc.patch
+++ b/sagemath-sagedoc.patch
@@ -1,7 +1,7 @@
 diff -up src/doc/common/conf.py.orig src/doc/common/conf.py
---- src/doc/common/conf.py.orig	2017-03-30 11:27:42.351311111 -0400
-+++ src/doc/common/conf.py	2017-03-30 11:27:44.482311193 -0400
-@@ -218,7 +218,7 @@ if (os.environ.get('SAGE_DOC_MATHJAX', '
+--- src/doc/common/conf.py.orig	2017-04-11 09:55:23.607260518 -0400
++++ src/doc/common/conf.py	2017-04-11 09:55:52.327261618 -0400
+@@ -220,7 +220,7 @@ if (os.environ.get('SAGE_DOC_MATHJAX', '
      html_theme_options['mathjax_macros'] = sage_mathjax_macros()
  
      from pkg_resources import Requirement, working_set
@@ -11,8 +11,8 @@ diff -up src/doc/common/conf.py.orig src/doc/common/conf.py
  
      # It would be really nice if sphinx would copy the entire mathjax directory,
 diff -up src/sage/doctest/control.py.orig src/sage/doctest/control.py
---- src/sage/doctest/control.py.orig	2017-03-30 11:27:42.358311112 -0400
-+++ src/sage/doctest/control.py	2017-03-30 11:27:44.483311193 -0400
+--- src/sage/doctest/control.py.orig	2017-04-11 09:55:23.610260518 -0400
++++ src/sage/doctest/control.py	2017-04-11 09:55:52.330261618 -0400
 @@ -95,7 +95,6 @@ class DocTestDefaults(SageObject):
          self.valgrind = False
          self.massif = False
@@ -30,7 +30,7 @@ diff -up src/sage/doctest/control.py.orig src/sage/doctest/control.py
                  # Non-interactive debuggers: 48 hours
                  options.timeout = int(os.getenv('SAGE_TIMEOUT_VALGRIND', 48 * 60 * 60))
              elif options.long:
-@@ -1030,13 +1029,8 @@ class DocTestController(SageObject):
+@@ -1034,13 +1033,8 @@ class DocTestController(SageObject):
              elif opt.cachegrind:
                  toolname = "cachegrind"
                  flags = os.getenv("SAGE_CACHEGRIND_FLAGS", "")
@@ -44,7 +44,7 @@ diff -up src/sage/doctest/control.py.orig src/sage/doctest/control.py
              if "%s" in flags:
                  flags %= toolname + ".%p" # replace %s with toolname
          cmd += flags + sage_cmd
-@@ -1096,10 +1090,10 @@ class DocTestController(SageObject):
+@@ -1100,10 +1094,10 @@ class DocTestController(SageObject):
              0
          """
          opt = self.options
@@ -58,8 +58,8 @@ diff -up src/sage/doctest/control.py.orig src/sage/doctest/control.py
              return self.run_val_gdb()
          else:
 diff -up src/sage/interfaces/singular.py.orig src/sage/interfaces/singular.py
---- src/sage/interfaces/singular.py.orig	2017-03-30 11:27:42.364311112 -0400
-+++ src/sage/interfaces/singular.py	2017-03-30 11:27:44.486311193 -0400
+--- src/sage/interfaces/singular.py.orig	2017-04-11 09:55:50.260261539 -0400
++++ src/sage/interfaces/singular.py	2017-04-11 09:55:52.332261618 -0400
 @@ -2291,7 +2291,7 @@ def generate_docstring_dictionary():
      nodes.clear()
      node_names.clear()
@@ -70,9 +70,9 @@ diff -up src/sage/interfaces/singular.py.orig src/sage/interfaces/singular.py
      new_node = re.compile("File: singular\.hlp,  Node: ([^,]*),.*")
      new_lookup = re.compile("\* ([^:]*):*([^.]*)\..*")
 diff -up src/sage_setup/docbuild/ext/multidocs.py.orig src/sage_setup/docbuild/ext/multidocs.py
---- src/sage_setup/docbuild/ext/multidocs.py.orig	2017-03-30 11:27:42.371311112 -0400
-+++ src/sage_setup/docbuild/ext/multidocs.py	2017-03-30 11:27:44.487311193 -0400
-@@ -83,8 +83,11 @@ def merge_environment(app, env):
+--- src/sage_setup/docbuild/ext/multidocs.py.orig	2017-04-11 09:55:23.612260518 -0400
++++ src/sage_setup/docbuild/ext/multidocs.py	2017-04-11 09:55:52.332261618 -0400
+@@ -84,8 +84,11 @@ def merge_environment(app, env):
              for ind in newalldoc:
                  # treat subdocument source as orphaned file and don't complain
                  md = env.metadata.get(ind, dict())
@@ -85,10 +85,10 @@ diff -up src/sage_setup/docbuild/ext/multidocs.py.orig src/sage_setup/docbuild/e
 +                    env.metadata[ind] = {'orphan'}
              # merge the citations
              newcite = {}
-             for ind, (path, tag) in docenv.citations.iteritems():
+             for ind, (path, tag) in six.iteritems(docenv.citations):
 diff -up src/sage_setup/docbuild/__init__.py.orig src/sage_setup/docbuild/__init__.py
---- src/sage_setup/docbuild/__init__.py.orig	2017-03-30 11:27:42.379311112 -0400
-+++ src/sage_setup/docbuild/__init__.py	2017-03-30 11:29:25.179315049 -0400
+--- src/sage_setup/docbuild/__init__.py.orig	2017-04-11 09:55:50.272261539 -0400
++++ src/sage_setup/docbuild/__init__.py	2017-04-11 09:55:52.333261618 -0400
 @@ -248,13 +248,14 @@ if NUM_THREADS > 1:
          # map_async handles KeyboardInterrupt correctly. Plain map and
          # apply_async does not, so don't use it.
diff --git a/sagemath-scripts.patch b/sagemath-scripts.patch
index bbe6da5..3820e2c 100644
--- a/sagemath-scripts.patch
+++ b/sagemath-scripts.patch
@@ -1,6 +1,6 @@
 diff -up src/bin/sage.orig src/bin/sage
---- src/bin/sage.orig	2017-03-04 12:58:43.035411519 -0500
-+++ src/bin/sage	2017-03-04 13:08:11.111433272 -0500
+--- src/bin/sage.orig	2017-04-11 09:46:27.981240007 -0400
++++ src/bin/sage	2017-04-11 09:53:04.143255178 -0400
 @@ -1,5 +1,16 @@
  #!/usr/bin/env bash
  
@@ -154,7 +154,7 @@ diff -up src/bin/sage.orig src/bin/sage
      echo "  -search_src <string> -- search through all the Sage library code for string"
      echo "  -search_doc <string> -- search through the Sage documentation for string"
      echo "  -grep <string>      -- same as -search_src"
-@@ -220,16 +165,6 @@ usage_advanced() {
+@@ -222,16 +167,6 @@ usage_advanced() {
      echo
      ####  1.......................26..................................................78
      ####  |.....................--.|...................................................|
@@ -171,7 +171,7 @@ diff -up src/bin/sage.orig src/bin/sage
      echo "Valgrind memory debugging:"
      echo "  -cachegrind         -- run Sage using Valgrind's cachegrind tool.  The log"
      echo "                         files are named sage-cachegrind.PID can be found in"
-@@ -243,9 +178,6 @@ usage_advanced() {
+@@ -245,9 +180,6 @@ usage_advanced() {
      echo "  -memcheck           -- run Sage using Valgrind's memcheck tool.  The log"
      echo "                         files are named sage-memcheck.PID can be found in"
      echo "                         $DOT_SAGE"
@@ -181,11 +181,10 @@ diff -up src/bin/sage.orig src/bin/sage
      echo "  -valgrind           -- this is an alias for -memcheck"
      echo
      echo "You can also use -- before a long option, e.g., 'sage --optional'."
-@@ -253,104 +185,6 @@ usage_advanced() {
-     exit 0
+@@ -256,121 +188,6 @@ usage_advanced() {
  }
  
--
+ 
 -#####################################################################
 -# Special options to be processed without sage-env
 -#####################################################################
@@ -206,8 +205,26 @@ diff -up src/bin/sage.orig src/bin/sage
 -# an unclobbered environment before testing unsafe tickets.
 -if [ "$1" = '-patchbot' -o "$1" = "--patchbot" ]; then
 -    shift
--    cd "$SAGE_ROOT"
--    exec local/bin/patchbot/patchbot.py "$@"
+-    # We ask the Python from Sage where the patchbot is installed.
+-    # We set PYTHONPATH to that directory such that the system Python
+-    # should also find the sage_patchbot package.
+-    cmd='import sage_patchbot as p; import os; print(os.path.dirname(p.__path__[0]))'
+-    export PYTHONPATH=`"$SAGE_ROOT/sage" --python -c "$cmd"`
+-    if [ -z "$PYTHONPATH" ]; then
+-        # Something went wrong, assume that the patchbot is not installed
+-        echo >&2 "Error: cannot find installation path for sage_patchbot"
+-        echo >&2 "See https://wiki.sagemath.org/buildbot for instructions"
+-        exit 1
+-    fi
+-
+-    # Try "python2.7", then "python2", then "python"
+-    shopt -s execfail  # Do not exit if "exec" fails
+-    exec python2.7 -m sage_patchbot.patchbot "$@"
+-    exec python2 -m sage_patchbot.patchbot "$@"
+-    exec python -m sage_patchbot.patchbot "$@"
+-    echo >&2 "Error: cannot find a suitable Python program."
+-    echo >&2 "The SageMath patchbot requires a system Python installation."
+-    exit 127
 -fi
 -
 -# Check for '--upgrade' before sourcing sage-env: the top-level "make"
@@ -286,7 +303,7 @@ diff -up src/bin/sage.orig src/bin/sage
  if [ $# -gt 0 ]; then
    if [ "$1" = '-h' -o "$1" = '-?' -o "$1" = '-help' -o "$1" = '--help' ]; then
       usage
-@@ -362,23 +196,9 @@ fi
+@@ -382,23 +199,9 @@ fi
  
  # Prepare for running Sage, either interactively or non-interactively.
  sage_setup() {
@@ -310,7 +327,7 @@ diff -up src/bin/sage.orig src/bin/sage
      if [ ! -d "$IPYTHONDIR" ]; then
          # make sure that $DOT_SAGE exists so that ipython will happily
          # create its config directories there.  If DOT_SAGE doesn't
-@@ -389,20 +209,6 @@ sage_setup() {
+@@ -409,20 +212,6 @@ sage_setup() {
  }
  
  
@@ -331,7 +348,7 @@ diff -up src/bin/sage.orig src/bin/sage
  # Start an interactive Sage session, this function never returns.
  interactive_sage() {
      sage_setup
-@@ -507,16 +313,6 @@ if [ "$1" = '-lisp' -o "$1" = '--lisp' ]
+@@ -527,16 +316,6 @@ if [ "$1" = '-lisp' -o "$1" = '--lisp' ]
      exec ecl "$@"
  fi
  
@@ -348,8 +365,8 @@ diff -up src/bin/sage.orig src/bin/sage
  if [ "$1" = '-maxima' -o "$1" = '--maxima' ]; then
      shift
      exec maxima "$@"
-@@ -542,11 +338,6 @@ if [ "$1" = '-pip' -o "$1" = '--pip' ];
-     exec pip-lock "$@"
+@@ -562,11 +341,6 @@ if [ "$1" = '-pip' -o "$1" = '--pip' ];
+     exec pip "$@"
  fi
  
 -if [ "$1" = '-fix-pkg-checksums' -o "$1" = '--fix-pkg-checksums' ]; then
@@ -360,7 +377,7 @@ diff -up src/bin/sage.orig src/bin/sage
  if [ "$1" = '-python' -o "$1" = '--python' ]; then
      shift
      exec python "$@"
-@@ -562,16 +353,6 @@ if [ "$1" = '-ipython' -o "$1" = '--ipyt
+@@ -582,16 +356,6 @@ if [ "$1" = '-ipython' -o "$1" = '--ipyt
      exec ipython "$@"
  fi
  
@@ -377,11 +394,10 @@ diff -up src/bin/sage.orig src/bin/sage
  if [ "$1" = '-sh' -o "$1" = '--sh' ]; then
      # AUTHORS:
      # - Carl Witty and William Stein: initial version
-@@ -690,19 +471,6 @@ EOF
-     exit $status
+@@ -711,20 +475,6 @@ EOF
  fi
  
--#####################################################################
+ #####################################################################
 -# Test coverage of a module?
 -#####################################################################
 -
@@ -394,10 +410,12 @@ diff -up src/bin/sage.orig src/bin/sage
 -    shift
 -    exec sage-coverageall "$@"
 -fi
- 
- #####################################################################
+-
+-#####################################################################
  # File conversion
-@@ -722,11 +490,6 @@ fi
+ #####################################################################
+ 
+@@ -747,11 +497,6 @@ fi
  # Run Sage's versions of the standard Algebra/Geometry etc. software
  #####################################################################
  
@@ -409,7 +427,7 @@ diff -up src/bin/sage.orig src/bin/sage
  if [[ "$1" =~ ^--notebook=.* || "$1" =~ ^-n=.* || "$1" =~ ^-notebook=.* ]] ; then
      sage-cleaner &>/dev/null &
      exec sage-notebook "$@"
-@@ -737,13 +500,6 @@ if [ "$1" = "-notebook" -o "$1" = '--not
+@@ -762,13 +507,6 @@ if [ "$1" = "-notebook" -o "$1" = '--not
      exec sage-notebook "$@"
  fi
  
@@ -423,7 +441,7 @@ diff -up src/bin/sage.orig src/bin/sage
  if [ "$1" = "-inotebook" -o "$1" = '--inotebook' ]; then
      shift
      sage-cleaner &>/dev/null &
-@@ -762,31 +518,12 @@ if [ "$1" = '-grepdoc' -o "$1" = "--grep
+@@ -787,38 +525,19 @@ if [ "$1" = '-grepdoc' -o "$1" = "--grep
     exit 0
  fi
  
@@ -456,7 +474,15 @@ diff -up src/bin/sage.orig src/bin/sage
      if [ ! -f  "$DOT_SAGE"/init.sage ]; then
          echo >&2 "init.sage does not exist ... creating"
          touch "$DOT_SAGE"/init.sage
-@@ -802,10 +539,7 @@ if [ "$1" = '-t' -o "$1" = '-bt' -o "$1"
+     fi
+     SAGE_BANNER=no sage_setup
+     export PYTHONIOENCODING="utf-8"  # Fix encoding for doctests
+-    if [ "$1" = '-tp' -o "$1" = '-btp' ]; then
++    if [ "$1" = '-tp' ]; then
+         shift
+         exec sage-runtests -p "$@"
+     else
+@@ -827,16 +546,6 @@ if [ "$1" = '-t' -o "$1" = '-bt' -o "$1"
      fi
  fi
  
@@ -464,14 +490,24 @@ diff -up src/bin/sage.orig src/bin/sage
 -    if [ "$1" = '-btnew' ]; then
 -        build_sage
 -    fi
-+if [ "$1" = '-tnew' ]; then
+-    shift
+-    SAGE_BANNER=no sage_setup
+-    export PYTHONIOENCODING="utf-8"  # Fix encoding for doctests
+-    exec sage-runtests --new "$@"
+-fi
+-
+ if [ "$1" = '-testall' -o "$1" = "--testall" ]; then
      shift
      SAGE_BANNER=no sage_setup
-     export PYTHONIOENCODING="utf-8"  # Fix encoding for doctests
-@@ -831,130 +565,6 @@ if [ "$1" = '--location' ]; then
-     exit 0
+@@ -851,119 +560,6 @@ if [ "$1" = '-c' ]; then
+     exec sage-eval "$@"
  fi
  
+-if [ "$1" = '--location' ]; then
+-    maybe_sage_location
+-    exit 0
+-fi
+-
 -
 -install() {
 -    maybe_sage_location
@@ -580,26 +616,10 @@ diff -up src/bin/sage.orig src/bin/sage
 -    exec python -m "sage_setup.docbuild" "$@"
 -fi
 -
--if [ "$1" = '-gdb' -o "$1" = "--gdb" ]; then
--    shift
--    sage_setup
--    if [ "$SAGE_DEBUG" = "no" ]; then
--        gdb -x "$SAGE_LOCAL/bin/sage-gdb-commands" \
--            -args python "$SAGE_LOCAL/bin/sage-ipython" "$@" -i
--    else
--        # Location of cython_debug directory
--        cygdb_dir="$SAGE_SRC/build/cythonized"
--        cygdb "$cygdb_dir" "$SAGE_SRC/sage" \
--            -- -x "$SAGE_LOCAL/bin/sage-gdb-commands" \
--            -args python "$SAGE_LOCAL/bin/sage-ipython" "$@" -i
--    fi
--    exit $?
--fi
--
- if [ "$1" = '-preparse' -o "$1" = "--preparse" ]; then
+ if [ "$1" = '-gdb' -o "$1" = "--gdb" ]; then
      shift
-     exec sage-preparse "$@"
-@@ -989,21 +599,10 @@ if [ "$1" = '-callgrind' -o "$1" = "--ca
+     sage_setup
+@@ -1014,12 +610,6 @@ if [ "$1" = '-callgrind' -o "$1" = "--ca
      exec sage-callgrind "$@"
  fi
  
@@ -612,18 +632,21 @@ diff -up src/bin/sage.orig src/bin/sage
  if [ "$1" = '-startuptime' -o "$1" = '--startuptime' ]; then
      exec sage-startuptime.py "$@"
  fi
+@@ -1030,11 +620,6 @@ if [ "$1" = '-gthread' -o "$1" = '-qthre
+ fi
  
--if [ "$1" = '-gthread' -o "$1" = '-qthread' -o "$1" = '-q4thread' -o "$1" = '-wthread' -o "$1" = '-pylab' ]; then
--    # Intentionally no "shift" here
--    interactive_sage "$@"
--fi
--
  if [ $# -ge 1 ]; then
-     T=`echo "$1" | sed -e "s/.*\.//"`
-     if [ "$T" = "spkg" ]; then
+-    T=`echo "$1" | sed -e "s/.*\.//"`
+-    if [ "$T" = "spkg" ]; then
+-        install "$@"
+-    fi
+-    SAGE_BANNER=no sage_setup
+     unset TERM  # See Trac #12263
+     exec sage-run "$@"
+ fi
 diff -up src/bin/sage-runtests.orig src/bin/sage-runtests
---- src/bin/sage-runtests.orig	2017-03-04 13:08:31.712434061 -0500
-+++ src/bin/sage-runtests	2017-03-04 13:08:41.887434451 -0500
+--- src/bin/sage-runtests.orig	2017-04-11 09:53:17.222255678 -0400
++++ src/bin/sage-runtests	2017-04-11 09:53:31.631256230 -0400
 @@ -56,10 +56,6 @@ if __name__ == "__main__":
                        help="run doctests using Valgrind's cachegrind tool.  The log "
                           "files are named sage-cachegrind.PID and can be found in " +
@@ -636,8 +659,8 @@ diff -up src/bin/sage-runtests.orig src/bin/sage-runtests
      parser.add_option("-f", "--failed", action="store_true", default=False,
          help="doctest only those files that failed in the previous run")
 diff -up src/bin/sage-valgrind.orig src/bin/sage-valgrind
---- src/bin/sage-valgrind.orig	2017-03-04 13:08:52.937434874 -0500
-+++ src/bin/sage-valgrind	2017-03-04 13:09:13.143435648 -0500
+--- src/bin/sage-valgrind.orig	2017-04-11 09:53:45.006256742 -0400
++++ src/bin/sage-valgrind	2017-04-11 09:54:05.879257542 -0400
 @@ -1,16 +1,6 @@
  #!/usr/bin/env bash
  
diff --git a/sagemath.spec b/sagemath.spec
index 4e9a619..bdd9625 100644
--- a/sagemath.spec
+++ b/sagemath.spec
@@ -1,6 +1,6 @@
 %global __provides_exclude_from	.*/site-packages/.*\\.so
 
-%bcond_without bundled_pari
+%bcond_with bundled_pari
 %bcond_with bundled_pexpect
 %bcond_without bundled_ipython
 
@@ -42,7 +42,7 @@
 %global ipython_pkg		ipython-5.1.0
 %endif
 %if %{with bundled_pari}
-%global pari_pkg		pari-2.8.0.alpha
+%global pari_pkg		pari-2.9.1
 %endif
 %if %{with bundled_pexpect}
 %global pexpect_pkg		pexpect-4.1.0
@@ -65,7 +65,7 @@
 Name:		sagemath
 Group:		Applications/Engineering
 Summary:	A free open-source mathematics software system
-Version:	7.5.1
+Version:	7.6
 Release:	1%{?dist}
 # The file ${SAGE_ROOT}/COPYING.txt is the upstream license breakdown file
 # Additionally, every $files section has a comment with the license name
@@ -1692,6 +1692,10 @@ exit 0
 
 ########################################################################
 %changelog
+* Tue Apr 11 2017 pcpa <paulo.cesar.pereira.de.andrade@gmail.com> - 7.6-1
+- Update to sagemath 7.6
+- Switch back to system pari
+
 * Thu Apr  6 2017 pcpa <paulo.cesar.pereira.de.andrade@gmail.com> - 7.5.1-1
 - Update to sagemath 7.5.1
 
diff --git a/sources b/sources
index 66276e4..c26d969 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (sage-7.5.1.tar.gz) = ef18951250573f4c04911757664e25f7e03332df36efd948e189009e62573b8f120a413b322947fee6e914cbcc64fbd99d5a960954a04ba5786660ecc0a6ee96
+SHA512 (sage-7.6.tar.gz) = d700a4e501f8883222b2456134c4983197c7d4216e88d94b6c01e94042baad9345c8a8383a08701c09b4fcad1b3b506413e406da3dad340428a76b6048500df3