Replace Eigen3 with TNL in the build configuration

[submodule "dep/eigen"]

	path = dep/eigen

	url = https://github.com/eigenteam/eigen-git-mirror.git

[submodule "dep/Catch2"]

	path = dep/Catch2

	url = https://github.com/catchorg/Catch2.git

[submodule "dep/tnl"]

	path = dep/tnl

	url = https://mmg-gitlab.fjfi.cvut.cz/gitlab/tnl/tnl-dev.git

# CMakeLists.txt

#

#     Author: Fabian Meyer

# Created On: 12 Jul 2019

cmake_minimum_required(VERSION 3.5)

cmake_minimum_required(VERSION 3.13)

project(gdcpp)

SET(CMAKE_CXX_STANDARD 11)

SET(CMAKE_CXX_STANDARD 14)

SET(CMAKE_CXX_STANDARD_REQUIRED ON)

if(CMAKE_COMPILER_IS_GNUCXX)

    set(CMAKE_CXX_FLAGS "-Wall -Wextra")

endif(CMAKE_COMPILER_IS_GNUCXX)

# force colorized output in continuous integration

if( DEFINED ENV{CI_JOB_NAME} OR ${CMAKE_GENERATOR} STREQUAL "Ninja" )

   message(STATUS "Continuous integration or Ninja detected -- forcing compilers to produce colorized output.")

   if( CMAKE_CXX_COMPILER_ID STREQUAL "Clang" )

      set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fcolor-diagnostics" )

   elseif( CMAKE_CXX_COMPILER_ID STREQUAL "GNU" )

      set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fdiagnostics-color" )

   endif()

endif()

# find OpenMP

find_package(OpenMP)

if(OPENMP_FOUND)

    set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")

endif(OPENMP_FOUND)

# find_package(Eigen3 REQUIRED)

add_subdirectory(dep)

include_directories(

    include

    ${EIGEN3_INCLUDE_DIR}

    ${TNL_INCLUDE_DIR}

)

install(FILES "include/gdcpp.h"

# CMakeLists.txt

#

#     Author: Fabian Meyer

# Created On: 12 Jul 2019

set(EIGEN3_ROOT "${CMAKE_CURRENT_LIST_DIR}/eigen" CACHE INTERNAL "")

set(EIGEN3_INCLUDE_DIR "${EIGEN3_ROOT}" CACHE INTERNAL "")

set(TNL_ROOT "${CMAKE_CURRENT_LIST_DIR}/tnl" CACHE INTERNAL "")

set(TNL_INCLUDE_DIR "${TNL_ROOT}/src/TNL" CACHE INTERNAL "")

set(CATCH2_ROOT "${CMAKE_CURRENT_LIST_DIR}/Catch2" CACHE INTERNAL "")

set(CATCH2_INCLUDE_DIR "${CATCH2_ROOT}/single_include" CACHE INTERNAL "")

Subproject commit a1b9c26c5e62cb8c17836e601edd64b92aa8e5ae

Subproject commit 91a599f303ac734757625875bdacad7f10b07083