Removed check for GNU compilers in CUDA configure code.

This check serves no purpose, as the CUDA SDK now supports several
non-GNU host compilers. In fact, GNU compilers are officially *not*
support

Removed check for GNU compilers in CUDA configure code.

This check serves no purpose, as the CUDA SDK now supports several
non-GNU host compilers. In fact, GNU compilers are officially *not*
supported on some platforms (e.g., Mac OS X).

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Merge branch 'maint'

configure: work-around xcode warnings of type:

ld: warning: text-based stub file /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGFXShared.tbd and library file
/System/Library/Fr

configure: work-around xcode warnings of type:

ld: warning: text-based stub file /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGFXShared.tbd and library file
/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGFXShared.dylib are out of sync. Falling back to library file for linking.
ld: warning: text-based stub file /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.tbd and library file
/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.dylib are out of sync. Falling back to library file for linking.

Reported-by: Denis Davydov <davydden@gmail.com>
Reported-by: Amneet Pal Bhalla <asbhalla@sdsu.edu>
Reported-by: DAFNAKIS PANAGIOTIS <panagiotis.dafnakis@polito.it>

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petsc4py: update with revert of vecscatter change

nargs: add ArgFile() and ArgFileList() by copying ArgDir() and ArgDirList() code.

ArgDirList: enable specifying dir list with ':' as path separator.

For example: --with-mpi-include=PATH/include:PATH/include/64

Merged in stefano_zampini/configure-frontendcompiler-mfem (pull request #1436)

configure MFEM: add configuration option to specify a different compiler invocation for the front end nodes

Merged in knepley/feature-move-adj-to-dm (pull request #1424)

Knepley/feature move adj to dm

nargs.ArgString -> nargs.Arg - similar to sowing

petsc4py: update to snapshot without build errors

Merged in stefano_zampini/feature-pcbddc-enablelor (pull request #1427)

Stefano zampini/feature pcbddc enablelor

petsc4py: Updated gitcommit

configure MFEM: add configuration option to specify a different compiler invocation for the front end nodes

needs stefano_zampini/small-improvements from MFEM (will be merged soon)

configure MFEM: need to pass the LDFLAGS to get succesfull linking in examples on CrayXC40

Merge branch 'maint'

scalapack: use snapshot with openmpi-4 fixes

Merge branch 'jed/superlu-dist-openmpi-4/maint' [PR #1386]

* jed/superlu-dist-openmpi-4/maint:
SuperLU_DIST: update after bug fix for MPI_Comm_get_attr

SuperLU_DIST: update after bug fix for MPI_Comm_get_attr

petsc4py: update to snapshot that fixes compile error with SNESGetFunction

Merge branch 'pr1305/prj-/update-hypre-matrix-initialization/master' [PR #1343]

* pr1305/prj-/update-hypre-matrix-initialization/master:
Changes how BoomerAMG matrices are initialized.

Merge branch 'balay/fix-superlu_dist_mpi_search/maint' [PR #1368]

* balay/fix-superlu_dist_mpi_search/maint:
superlu_dist: prevent cmake from picking up wrong MPI_INCLUDE path [on OpenSuse]

superlu_dist: prevent cmake from picking up wrong MPI_INCLUDE path [on OpenSuse]

cd /home/chris/Software/petsc/arch-linux2-c-opt/externalpackages/git.superlu_dist/petsc-build/SRC && /usr/local/lib/m

superlu_dist: prevent cmake from picking up wrong MPI_INCLUDE path [on OpenSuse]

cd /home/chris/Software/petsc/arch-linux2-c-opt/externalpackages/git.superlu_dist/petsc-build/SRC && /usr/local/lib/mpi/gcc/openmpi3/bin/mpicxx
-DSUPERLU_DIST_EXPORTS -Dsuperlu_dist_EXPORTS -I/home/chris/Software/petsc/arch-linux2-c-opt/externalpackages/git.superlu_dist/petsc-build/SRC
-I/usr/lib64/mpi/gcc/openmpi/include -std=c++11 -fstack-protector -O3 -march=native -mtune=native -fPIC -DAdd_ -fPIC -std=gnu++11 -o
CMakeFiles/superlu_dist.dir/TreeInterface.cpp.o -c /home/chris/Software/petsc/arch-linux2-c-opt/externalpackages/git.superlu_dist/SRC/TreeInterface.cpp

$ grep openmpi ~/Software/petsc/arch-linux2-c-opt/externalpackages/git.superlu_dist/petsc-build/CMakeCache.txt

CMAKE_CXX_COMPILER:STRING=/usr/local/lib/mpi/gcc/openmpi3/bin/mpicxx
CMAKE_C_COMPILER:STRING=/usr/local/lib/mpi/gcc/openmpi3/bin/mpicc
CMAKE_Fortran_COMPILER:STRING=/usr/local/lib/mpi/gcc/openmpi3/bin/mpif90
MPIEXEC_EXECUTABLE:FILEPATH=/usr/lib64/mpi/gcc/openmpi/bin/mpiexec
MPI_CXX_COMPILER:FILEPATH=/usr/local/lib/mpi/gcc/openmpi3/bin/mpicxx
MPI_C_COMPILER:FILEPATH=/usr/lib64/mpi/gcc/openmpi/bin/mpicc
MPI_C_HEADER_DIR:PATH=/usr/lib64/mpi/gcc/openmpi/include

$ grep -C 2 SUSE /usr/share/cmake/Modules/FindMPI.cmake

if("${CMAKE_HOST_SYSTEM_NAME}" STREQUAL "Linux")
# SUSE Linux Enterprise Server stores its MPI implementations under /usr/lib64/mpi/gcc/<name>
# We enumerate the subfolders and append each as a prefix
MPI_search_mpi_prefix_folder("/usr/lib64/mpi/gcc")

Reported-by: Chris Coutinho <c.coutinho@redstack.nl>

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configure : fix typo in MFEM.py

MatHYPRE: fix issue with HYPRE_IJMatrixTranslator and add MatSetOption_HYPRE

SetDiagOffdSizes sets hypre_AuxParCSRMatrixNeedAux(aux_matrix) = 0,
since it seems they assume the user will input the en

MatHYPRE: fix issue with HYPRE_IJMatrixTranslator and add MatSetOption_HYPRE

SetDiagOffdSizes sets hypre_AuxParCSRMatrixNeedAux(aux_matrix) = 0,
since it seems they assume the user will input the entire row values,
properly sorted...
In PETSc, we don't make such an assumption, and we instead set the flag to 1
Also, to avoid possible memory leaks, we destroy and recreate the
translator, so that HYPRE_IJMatrixInitialize will properly initialize
the IJ matrix for us.

Changes how BoomerAMG matrices are initialized

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Merge branch 'stefano_zampini/feature-gmakegen-pkgs' [PR #1344]

* stefano_zampini/feature-gmakegen-pkgs:
This PR improves support for generating makefiles and tests for a package different from PETSc