Initial CMake support

.gitignore

@@ -1,6 +1,7 @@
 sc/
 p4est/
 build-aux/
+build/
 
 .deps/
 .libs/

CMakeLists.txt

@@ -0,0 +1,36 @@
+cmake_minimum_required( VERSION 3.16 )
+project( T8CODE DESCRIPTION "Parallel algorithms and data structures for tree-based AMR with arbitrary element shapes." LANGUAGES C CXX )
+include( CTest )
+
+option( T8CODE_ENABLE_MPI "" ON )
+option( T8CODE_BUILD_TESTS "" ON )
+option( T8CODE_BUILD_TUTORIALS "" ON )
+
+if( NOT CMAKE_CXX_STANDARD )
+    set( CMAKE_CXX_STANDARD 17 )
+endif()
+
+if( NOT CMAKE_INSTALL_PREFIX )
+    set( CMAKE_INSTALL_PREFIX ${CMAKE_CURRENT_LIST_DIR}/build )
+endif()
+
+if( T8CODE_ENABLE_MPI )
+    find_package( MPI COMPONENTS C REQUIRED )
+    if( NOT MPIEXEC_EXECUTABLE )
+        message( FATAL_ERROR "MPIEXEC is missing, MPI will not work properly" )
+    endif()
+    set( SC_ENABLE_MPI ON )
+    set( mpi ON )
+endif()
+
+add_subdirectory( sc )
+add_subdirectory( p4est )
+add_subdirectory( src )
+
+if ( T8CODE_BUILD_TESTS )
+    add_subdirectory( test )
+endif()
+
+if ( T8CODE_BUILD_TUTORIALS )
+    add_subdirectory( tutorials )
+endif()

src/CMakeLists.txt

@@ -0,0 +1,100 @@
+add_library( T8 )
+target_include_directories( T8 PUBLIC ${CMAKE_CURRENT_LIST_DIR} )
+target_link_libraries( T8 PUBLIC P4EST::P4EST SC::SC $<$<BOOL:${T8CODE_ENABLE_MPI}>:MPI::MPI_C> )
+target_sources( T8 PRIVATE 
+    t8.c 
+    t8_eclass.c 
+    t8_mesh.c 
+    t8_element.c 
+    t8_element_cxx.cxx 
+    t8_element_c_interface.cxx 
+    t8_refcount.c 
+    t8_cmesh/t8_cmesh.c 
+    t8_cmesh/t8_cmesh_occ.cxx 
+    t8_cmesh/t8_cmesh_cxx.cxx 
+    t8_cmesh/t8_cmesh_triangle.c 
+    t8_cmesh/t8_cmesh_vtk_writer.c 
+    t8_cmesh/t8_cmesh_stash.c 
+    t8_cmesh/t8_cmesh_vtk_reader.cxx 
+    t8_cmesh/t8_cmesh_save.c 
+    t8_cmesh/t8_cmesh_netcdf.c 
+    t8_cmesh/t8_cmesh_trees.c 
+    t8_cmesh/t8_cmesh_commit.c 
+    t8_cmesh/t8_cmesh_partition.c 
+    t8_cmesh/t8_cmesh_copy.c 
+    t8_data/t8_shmem.c 
+    t8_cmesh/t8_cmesh_geometry.cxx 
+    t8_cmesh/t8_cmesh_examples.c 
+    t8_cmesh/t8_cmesh_helpers.c 
+    t8_data/t8_containers.cxx 
+    t8_cmesh/t8_cmesh_offset.c 
+    t8_cmesh/t8_cmesh_readmshfile.cxx 
+    t8_forest/t8_forest.c 
+    t8_forest/t8_forest_adapt.cxx 
+    t8_geometry/t8_geometry.cxx 
+    t8_geometry/t8_geometry_helpers.c 
+    t8_geometry/t8_geometry_base.cxx 
+    t8_geometry/t8_geometry_with_vertices.cxx 
+    t8_geometry/t8_geometry_implementations/t8_geometry_analytic.cxx 
+    t8_geometry/t8_geometry_implementations/t8_geometry_occ.cxx 
+    t8_geometry/t8_geometry_implementations/t8_geometry_linear.cxx 
+    t8_geometry/t8_geometry_implementations/t8_geometry_linear_axis_aligned.cxx 
+    t8_geometry/t8_geometry_implementations/t8_geometry_zero.cxx 
+    t8_geometry/t8_geometry_implementations/t8_geometry_examples.cxx 
+    t8_forest/t8_forest_partition.cxx 
+    t8_forest/t8_forest_cxx.cxx 
+    t8_forest/t8_forest_private.c 
+    t8_forest/t8_forest_vtk.cxx 
+    t8_forest/t8_forest_ghost.cxx 
+    t8_forest/t8_forest_iterate.cxx 
+    t8_version.c 
+    t8_vtk.c 
+    t8_forest/t8_forest_balance.cxx 
+    t8_forest/t8_forest_netcdf.cxx 
+    t8_element_shape.c 
+    t8_netcdf.c 
+    t8_cmesh/t8_cmesh_testcases.c 
+    t8_vtk/t8_vtk_polydata.cxx 
+    t8_vtk/t8_vtk_unstructured.cxx 
+    t8_vtk/t8_vtk_parallel.cxx 
+    t8_vtk/t8_vtk_reader.cxx 
+    t8_schemes/t8_default/t8_default_cxx.cxx
+    t8_schemes/t8_default/t8_default_common/t8_default_common_cxx.cxx
+    t8_schemes/t8_default/t8_default_hex/t8_default_hex_cxx.cxx
+    t8_schemes/t8_default/t8_default_hex/t8_dhex_bits.c
+    t8_schemes/t8_default/t8_default_line/t8_default_line_cxx.cxx
+    t8_schemes/t8_default/t8_default_line/t8_dline_bits.c
+    t8_schemes/t8_default/t8_default_prism/t8_default_prism_cxx.cxx
+    t8_schemes/t8_default/t8_default_prism/t8_dprism_bits.c
+    t8_schemes/t8_default/t8_default_quad/t8_default_quad_cxx.cxx
+    t8_schemes/t8_default/t8_default_quad/t8_dquad_bits.c
+    t8_schemes/t8_default/t8_default_tet/t8_default_tet_cxx.cxx
+    t8_schemes/t8_default/t8_default_tet/t8_dtet_bits.c
+    t8_schemes/t8_default/t8_default_tet/t8_dtet_connectivity.c
+    t8_schemes/t8_default/t8_default_tri/t8_default_tri_cxx.cxx
+    t8_schemes/t8_default/t8_default_tri/t8_dtri_bits.c
+    t8_schemes/t8_default/t8_default_tri/t8_dtri_connectivity.c
+    t8_schemes/t8_default/t8_default_vertex/t8_default_vertex_cxx.cxx
+    t8_schemes/t8_default/t8_default_vertex/t8_dvertex_bits.c
+    t8_schemes/t8_default/t8_default_pyramid/t8_default_pyramid_cxx.cxx
+    t8_schemes/t8_default/t8_default_pyramid/t8_dpyramid_bits.c
+    t8_schemes/t8_default/t8_default_pyramid/t8_dpyramid_connectivity.c
+)
+
+target_compile_definitions( T8 PUBLIC T8_CMAKE_BUILD )
+target_compile_definitions( T8 PUBLIC T8_CC="${CMAKE_C_COMPILER}" )
+target_compile_definitions( T8 PUBLIC T8_CFLAGS="${CMAKE_C_FLAGS}" )
+target_compile_definitions( T8 PUBLIC T8_CPP="${CMAKE_CXX_COMPILER}" )
+target_compile_definitions( T8 PUBLIC T8_CPPFLAGS="${CMAKE_CXX_FLAGS}" )
+target_compile_definitions( T8 PUBLIC T8_LDFLAGS="${CMAKE_SHARED_LINKER_FLAGS}" )
+target_compile_definitions( T8 PUBLIC T8_LIBS="???" )
+
+target_compile_definitions( T8 PUBLIC T8_PACKAGE_STRING="t8 1.6.1.???" )
+target_compile_definitions( T8 PUBLIC T8_VERSION="1.6.1.???" )
+target_compile_definitions( T8 PUBLIC T8_VERSION_MAJOR=1 )
+target_compile_definitions( T8 PUBLIC T8_VERSION_MINOR=6 )
+
+if ( T8CODE_ENABLE_MPI )
+    target_compile_definitions( T8 PUBLIC T8_ENABLE_MPI )
+    target_compile_definitions( T8 PUBLIC T8_ENABLE_MPIIO )
+endif()

src/t8.h

@@ -30,7 +30,9 @@
 #define T8_H
 
 /* include config headers */
+#ifndef T8_CMAKE_BUILD
 #include <t8_config.h>
+#endif
 #include <sc_config.h>
 #if (defined(T8_ENABLE_MPI) && !defined(SC_ENABLE_MPI)) || (!defined(T8_ENABLE_MPI) && defined(SC_ENABLE_MPI))
 #error "MPI configured differently in t8code and libsc"

src/t8_version.h

@@ -47,7 +47,9 @@
 #define T8_VERSION_H
 
 #include <t8.h>
+#ifndef T8_CMAKE_BUILD
 #include <t8_config.h>
+#endif
 
 /* In order to convert a macro to a string, we
  * need to pass it through these two helper macros. */

test/CMakeLists.txt

@@ -0,0 +1,73 @@
+add_library( gtest ${CMAKE_CURRENT_LIST_DIR}/../thirdparty/googletest-mpi/gtest/gtest-all.cc )
+target_include_directories( gtest PUBLIC ${CMAKE_CURRENT_LIST_DIR}/../thirdparty/googletest-mpi ${CMAKE_CURRENT_LIST_DIR}/.. )
+
+function( add_t8_test TEST_NAME TEST_SOURCES )
+    add_executable( ${TEST_NAME} ${TEST_SOURCES} )
+    target_link_libraries( ${TEST_NAME} PRIVATE T8 gtest )
+    if( T8CODE_ENABLE_MPI )
+        target_compile_definitions( ${TEST_NAME} PRIVATE T8_ENABLE_MPI )
+        target_compile_definitions( ${TEST_NAME} PRIVATE T8_ENABLE_MPIIO )
+    endif()
+    add_test( NAME ${TEST_NAME} COMMAND ./${TEST_NAME} )
+endfunction()
+
+add_t8_test( t8_gtest_cmesh_bcast t8_gtest_main.cxx t8_cmesh/t8_gtest_bcast.cxx )
+add_t8_test( t8_gtest_eclass t8_gtest_main.cxx t8_gtest_eclass.cxx )
+add_t8_test( t8_gtest_vec t8_gtest_main.cxx t8_gtest_vec.cxx )
+add_t8_test( t8_gtest_mat t8_gtest_main.cxx t8_gtest_mat.cxx )
+add_t8_test( t8_gtest_refcount t8_gtest_main.cxx t8_gtest_refcount.cxx )
+add_t8_test( t8_gtest_occ_linkage t8_gtest_main.cxx t8_gtest_occ_linkage.cxx )
+add_t8_test( t8_gtest_version t8_gtest_main.cxx t8_gtest_version.cxx )
+add_t8_test( t8_gtest_basics t8_gtest_main.cxx t8_gtest_basics.cxx )
+add_t8_test( t8_gtest_netcdf_linkage t8_gtest_main.cxx t8_gtest_netcdf_linkage.cxx )
+add_t8_test( t8_gtest_vtk_linkage t8_gtest_main.cxx t8_gtest_vtk_linkage.cxx )
+
+add_t8_test( t8_gtest_hypercube t8_gtest_main.cxx t8_cmesh/t8_gtest_hypercube.cxx )
+add_t8_test( t8_gtest_cmesh_copy t8_gtest_main.cxx t8_cmesh/t8_gtest_cmesh_copy.cxx )
+add_t8_test( t8_gtest_cmesh_face_is_boundary t8_gtest_main.cxx t8_cmesh/t8_gtest_cmesh_face_is_boundary.cxx )
+add_t8_test( t8_gtest_cmesh_partition t8_gtest_main.cxx t8_cmesh/t8_gtest_cmesh_partition.cxx )
+add_t8_test( t8_gtest_cmesh_set_partition_offsets t8_gtest_main.cxx t8_cmesh/t8_gtest_cmesh_set_partition_offsets.cxx )
+add_t8_test( t8_gtest_cmesh_set_join_by_vertices t8_gtest_main.cxx t8_cmesh/t8_gtest_cmesh_set_join_by_vertices.cxx )
+add_t8_test( t8_gtest_multiple_attributes t8_gtest_main.cxx t8_cmesh/t8_gtest_multiple_attributes.cxx )
+add_t8_test( t8_gtest_attribute_gloidx_array t8_gtest_main.cxx t8_cmesh/t8_gtest_attribute_gloidx_array.cxx )
+
+add_t8_test( t8_gtest_shmem t8_gtest_main.cxx t8_data/t8_gtest_shmem.cxx )
+
+add_t8_test( t8_gtest_element_volume t8_gtest_main.cxx t8_forest/t8_gtest_element_volume.cxx )
+add_t8_test( t8_gtest_search t8_gtest_main.cxx t8_forest/t8_gtest_search.cxx )
+add_t8_test( t8_gtest_element_general_function t8_gtest_main.cxx t8_forest/t8_gtest_element_general_function.cxx )
+add_t8_test( t8_gtest_half_neighbors t8_gtest_main.cxx t8_forest/t8_gtest_half_neighbors.cxx )
+add_t8_test( t8_gtest_find_owner t8_gtest_main.cxx t8_forest/t8_gtest_find_owner.cxx )
+add_t8_test( t8_gtest_user_data t8_gtest_main.cxx t8_forest/t8_gtest_user_data.cxx )
+add_t8_test( t8_gtest_transform t8_gtest_main.cxx t8_forest/t8_gtest_transform.cxx )
+add_t8_test( t8_gtest_ghost_exchange t8_gtest_main.cxx t8_forest/t8_gtest_ghost_exchange.cxx )
+add_t8_test( t8_gtest_ghost_delete t8_gtest_main.cxx t8_forest/t8_gtest_ghost_delete.cxx )
+add_t8_test( t8_gtest_ghost_and_owner t8_gtest_main.cxx t8_forest/t8_gtest_ghost_and_owner.cxx )
+
+add_t8_test( t8_gtest_permute_hole t8_gtest_main.cxx t8_forest_incomplete/t8_gtest_permute_hole.cxx )
+add_t8_test( t8_gtest_recursive t8_gtest_main.cxx t8_forest_incomplete/t8_gtest_recursive.cxx )
+add_t8_test( t8_gtest_iterate_replace t8_gtest_main.cxx t8_forest_incomplete/t8_gtest_iterate_replace.cxx )
+add_t8_test( t8_gtest_empty_local_tree t8_gtest_main.cxx t8_forest_incomplete/t8_gtest_empty_local_tree.cxx )
+add_t8_test( t8_gtest_empty_global_tree t8_gtest_main.cxx t8_forest_incomplete/t8_gtest_empty_global_tree.cxx )
+
+add_t8_test( t8_gtest_geometry_occ t8_gtest_main.cxx t8_geometry/t8_geometry_implementations/t8_gtest_geometry_occ.cxx )
+add_t8_test( t8_gtest_geometry t8_gtest_main.cxx t8_geometry/t8_gtest_geometry.cxx )
+add_t8_test( t8_gtest_point_inside t8_gtest_main.cxx t8_geometry/t8_gtest_point_inside.cxx )
+
+add_t8_test( t8_gtest_vtk_reader t8_gtest_main.cxx t8_IO/t8_gtest_vtk_reader.cxx )
+
+add_t8_test( t8_gtest_nca t8_gtest_main.cxx t8_schemes/t8_gtest_nca.cxx )
+add_t8_test( t8_gtest_pyra_connectivity t8_gtest_main.cxx t8_schemes/t8_gtest_pyra_connectivity.cxx )
+add_t8_test( t8_gtest_face_neigh t8_gtest_main.cxx t8_schemes/t8_gtest_face_neigh.cxx )
+add_t8_test( t8_gtest_init_linear_id t8_gtest_main.cxx t8_schemes/t8_gtest_init_linear_id.cxx )
+add_t8_test( t8_gtest_ancestor t8_gtest_main.cxx t8_schemes/t8_gtest_ancestor.cxx )
+add_t8_test( t8_gtest_element_count_leafs t8_gtest_main.cxx t8_schemes/t8_gtest_element_count_leafs.cxx )
+add_t8_test( t8_gtest_element_ref_coords t8_gtest_main.cxx t8_schemes/t8_gtest_element_ref_coords.cxx )
+add_t8_test( t8_gtest_descendant t8_gtest_main.cxx t8_schemes/t8_gtest_descendant.cxx )
+add_t8_test( t8_gtest_find_parent t8_gtest_main.cxx t8_schemes/t8_gtest_find_parent.cxx )
+add_t8_test( t8_gtest_equal t8_gtest_main.cxx t8_schemes/t8_gtest_equal.cxx )
+add_t8_test( t8_gtest_successor t8_gtest_main.cxx t8_schemes/t8_gtest_successor.cxx )
+add_t8_test( t8_gtest_boundary_extrude t8_gtest_main.cxx t8_schemes/t8_gtest_boundary_extrude.cxx )
+add_t8_test( t8_gtest_face_descendant t8_gtest_main.cxx t8_schemes/t8_gtest_face_descendant.cxx )
+add_t8_test( t8_gtest_default t8_gtest_main.cxx t8_schemes/t8_gtest_default.cxx )
+add_t8_test( t8_gtest_child_parent_face t8_gtest_main.cxx t8_schemes/t8_gtest_child_parent_face.cxx )

tutorials/CMakeLists.txt

@@ -0,0 +1,37 @@
+add_executable( t8_step0 ${CMAKE_CURRENT_LIST_DIR}/general/t8_step0_helloworld.cxx )
+target_link_libraries( t8_step0 PRIVATE T8 )
+
+add_executable( t8_step1 ${CMAKE_CURRENT_LIST_DIR}/general/t8_step1_coarsemesh.cxx )
+target_link_libraries( t8_step1 PRIVATE T8 )
+
+add_executable( t8_step2 ${CMAKE_CURRENT_LIST_DIR}/general/t8_step2_uniform_forest.cxx )
+target_link_libraries( t8_step2 PRIVATE T8 )
+
+add_executable( t8_step3 ${CMAKE_CURRENT_LIST_DIR}/general/t8_step3_adapt_forest.cxx
+                         ${CMAKE_CURRENT_LIST_DIR}/general/t8_step3_main.cxx )
+target_include_directories( t8_step3 PRIVATE ${CMAKE_CURRENT_LIST_DIR}/.. )
+target_link_libraries( t8_step3 PRIVATE T8 )
+
+add_executable( t8_step4 ${CMAKE_CURRENT_LIST_DIR}/general/t8_step3_adapt_forest.cxx
+                         ${CMAKE_CURRENT_LIST_DIR}/general/t8_step4_partition_balance_ghost.cxx
+                         ${CMAKE_CURRENT_LIST_DIR}/general/t8_step4_main.cxx )
+target_include_directories( t8_step4 PRIVATE ${CMAKE_CURRENT_LIST_DIR}/.. )
+target_link_libraries( t8_step4 PRIVATE T8 )
+
+add_executable( t8_step5 ${CMAKE_CURRENT_LIST_DIR}/general/t8_step3_adapt_forest.cxx
+                        #  ${CMAKE_CURRENT_LIST_DIR}/general/t8_step5_element_data_c_interface.c
+                         ${CMAKE_CURRENT_LIST_DIR}/general/t8_step5_element_data.cxx
+                         ${CMAKE_CURRENT_LIST_DIR}/general/t8_step5_main.cxx )
+target_include_directories( t8_step5 PRIVATE ${CMAKE_CURRENT_LIST_DIR}/.. )
+target_link_libraries( t8_step5 PRIVATE T8 )
+
+add_executable( t8_step6 ${CMAKE_CURRENT_LIST_DIR}/general/t8_step3_adapt_forest.cxx
+                         ${CMAKE_CURRENT_LIST_DIR}/general/t8_step6_stencil.cxx
+                         ${CMAKE_CURRENT_LIST_DIR}/general/t8_step6_main.cxx )
+target_include_directories( t8_step6 PRIVATE ${CMAKE_CURRENT_LIST_DIR}/.. )
+target_link_libraries( t8_step6 PRIVATE T8 )
+
+add_executable( t8_step7 ${CMAKE_CURRENT_LIST_DIR}/general/t8_step7_interpolation.cxx
+                         ${CMAKE_CURRENT_LIST_DIR}/general/t8_step7_main.cxx )
+target_include_directories( t8_step7 PRIVATE ${CMAKE_CURRENT_LIST_DIR}/.. )
+target_link_libraries( t8_step7 PRIVATE T8 )