Revert "Update version number and Add installation RPATH settings. This fix...

Revert "Update version number and Add installation RPATH settings. This fix installation problems on all platforms."

This reverts commit 9a2ad13e.

CMakeLists.txt

@@ -2,11 +2,11 @@
 
 # Set up the project.
 cmake_minimum_required( VERSION 3.1 )
-project( "GeoModelCore" VERSION 3.1.1 LANGUAGES CXX )
+project( "GeoModelCore" VERSION 2.0.0 LANGUAGES CXX )
 
 # Set default build options.
 set( CMAKE_BUILD_TYPE "Release" CACHE STRING "CMake build mode to use" )
-set( CMAKE_CXX_STANDARD 17 CACHE STRING "C++ standard used for the build" )
+set( CMAKE_CXX_STANDARD 14 CACHE STRING "C++ standard used for the build" )
 set( CMAKE_CXX_EXTENSIONS FALSE CACHE BOOL "(Dis)allow using GNU extensions" )
 
 # Make the module directory visible to CMake.
@@ -18,36 +18,6 @@ include( SetupEigen3 )
 # Use the GNU install directory names.
 include( GNUInstallDirs )
 
-
-# Set global installation RPATH settings
-# Docs: https://gitlab.kitware.com/cmake/community/-/wikis/doc/cmake/RPATH-handling#always-full-rpath
-# -- Set macOS settings
-if( APPLE )
-  # With these settings you are able to run the programs directly from the build tree.
-  # But the RPATH is cleared when installing the executable.
-  # So we have to configure the RPATH handling farther, after this instruction.
-  SET(CMAKE_MACOSX_RPATH 1)
-endif()
-# -- Set settings for all platforms
-# use, i.e. don't skip the full RPATH for the build tree
-SET(CMAKE_SKIP_BUILD_RPATH  FALSE)
-# when building, don't use the install RPATH already
-# (but later on when installing)
-SET(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)
-# set the RPATH used for installed libraries
-SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib" )
-# add the automatically determined parts of the RPATH
-# which points to directories outside the build tree to the install RPATH
-SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
-# the RPATH to be used when installing, but only if it's not a system directory
-LIST(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/lib" isSystemDir)
-if("${isSystemDir}" STREQUAL "-1")
-     message("Setting RPATH for non-system install directory...")
-     SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
-endif("${isSystemDir}" STREQUAL "-1")
-
-
-
 # Set up the build of the two libraries of the project.
 add_subdirectory( GeoGenericFunctions )
 add_subdirectory( GeoModelKernel )