gnu: Add deal.II.

* gnu/packages/maths.scm (dealii, dealii-openmpi): New variables.
* gnu/packages/patches/dealii-p4est-interface.patch: New patch.
* gnu-system.am (dist_patch_DATA): Add it.

gnu: Add SLEPc.

* gnu/packages/maths.scm (slepc, slepc-complex, slepc-openmpi)
  (slepc-complex-openmpi): New variables.

gnu: Add arpack-ng-openmpi.

* gnu/packages/maths.scm (arpack-ng-openmpi): New variable.

gnu: petsc: Upgrade to 3.6.0.

* gnu/packages/maths.scm (petsc): Upgrade to 3.6.0.
* gnu/packages/patches/petsc-fix-threadcomm.patch: Delete patch.
* gnu-system.am (dist_patch_DATA): Remove it.

gnu: Add MUMPS.

* gnu/packages/maths.scm (mumps, mumps-metis, mumps-openmpi)
  (mumps-metis-openmpi): New variables.
* gnu/packages/patches/mumps-build-parallelism.patch: New patch.
* gnu-system.am (dist_patch_DATA): Add it.

gnu: Add METIS.

* gnu/packages/maths.scm (metis): New variable.

gnu: Add p4est.

* gnu/packages/maths.scm (p4est, p4est-openmpi): New variables.

gnu: Add ScaLAPACK.

* gnu/packages/maths.scm (scalapack): New variable.

gnu: scotch, pt-scotch: Build esmumps libraries.

* gnu/packages/maths.scm (scotch)[arguments]: Add 'build-esmumps
  phase.  Install esmumps libraries and headers in 'install phase.
  (pt-scotch)[arguments]: Build ptesmumps in 'build phase.  Add
  make parallelism.

gnu: scotch, pt-scotch: Use modify-phases.

* gnu/packages/maths.scm (scotch, pt-scotch)[arguments]: Use modify-phases.

gnu: Update scotch to 6.0.4.

* gnu/packages/maths.scm (scotch): Update to 6.0.4.
  [arguments]: Add -fPIC to CFLAGS.
* gnu/packages/patches/scotch-test-threading.patch: Adjust patch for a
  new set of test fixes.
* gnu/packages/patches/pt-scotch-build-parallelism.patch: New patch.
* gnu-system.am (dist_patch_DATA): Add it.

gnu: Replace versioned gfortran inputs with just "gfortran".

* gnu/packages/julia.scm (julia)[inputs]: Replace "gfortran-4.8" with
  "gfortran".
* gnu/packages/machine-learning.scm (randomjungle)[native-inputs]: Likewise.
* gnu/packages/maths.scm (arpack-ng, lapack, petsc, superlu)
   (superlu-dist, openblas, openspecfun, atlas)[inputs]: Likewise.
   (octave)[native-inputs]: Likewise.
   (gmsh)[propagated-inputs]: Likewise.
* gnu/packages/mpi.scm (openmpi)[inputs]: Likewise.
* gnu/packages/python.scm (python-numpy-bootstrap)[native-inputs]: Likewise.
* gnu/packages/python.scm (python-scipy)[native-inputs]: Likewise.
* gnu/packages/statistics.scm (r)[inputs]: Replace "gfortran-4.9" with
  "gfortran".

gnu: gsl: Fix poly test on i686.

* gnu/packages/patches/gsl-poly-test-fix-pt1.patch,
  gnu/packages/patches/gsl-poly-test-fix-pt2.patch: New files.
* gnu-system.am (dist_patch_DATA): Add them.
* gnu/packages/maths.scm (gsl)[source]: Add patches.

Merge branch 'master' into core-updates

Conflicts:
	gnu/packages/commencement.scm
	gnu/packages/xml.scm

packages: Make 'location' field innate.

* guix/packages.scm (<package>)[location]: Add 'innate' property.
* guix/build-system/gnu.scm (static-package): Remove 'loc' parameter and
  'location' field.
* gnu/packages/autotools.scm (autoconf-wrapper): Remove 'location' field.
* gnu/packages/commencement.scm (gnu-make-boot0, diffutils-boot0, gcc-final):
  Likewise.
* gnu/packages/cross-base.scm (cross): Likewise.
* gnu/packages/emacs.scm (emacs-no-x, emacs-no-x-toolkit): Likewise.
* gnu/packages/make-bootstrap.scm (tarball-package): Likewise.
* gnu/packages/maths.scm (petsc-complex): Likewise.

Merge branch 'master' into core-updates

gnu: Add wxmaxima.

* gnu/packages/maths.scm (wxmaxima): New variable.

gnu: maxima: Update to 5.36.1.

* gnu/packages/patches/maxima-defsystem-mkdir.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/maths.scm (maxima): Update to 5.36.1.  Add patch.

Merge branch 'master' into gtk-rebuild

Conflicts:
	gnu/packages/gtk.scm

gnu: Add lpsolve.

* gnu/packages/maths.scm (lpsolve): New variable.