Allowed for separation of python installation path to support conda p…

…ackage.

CMakeLists.txt

@@ -14,6 +14,10 @@ option(MPART_MATLAB "Build matlab bindings with pybind11" ON)
 option(MPART_JULIA "Build julia bindings with CxxWrap.jl" ON)
 option(MPART_FETCH_DEPS "If CMake should be allowed to fetch and build external dependencies that weren't found." ON)
 
+##############################################################
+# Installation path configuration 
+Include(SetInstallPaths)
+
 ##############################################################
 # Compiler configuration
 

bindings/python/CMakeLists.txt

@@ -17,5 +17,5 @@ pybind11_add_module(pympart SHARED NO_EXTRAS ${PYTHON_BINDING_SOURCES})
 target_link_libraries(pympart PRIVATE mpart Kokkos::kokkos Eigen3::Eigen)
 
 # Add an installation target for the python bindings
-install(TARGETS pympart DESTINATION python/mpart)
-install(DIRECTORY package/ DESTINATION python/mpart)
+install(TARGETS pympart DESTINATION "${PYTHON_INSTALL_PREFIX}/mpart")
+install(DIRECTORY package/ DESTINATION "${PYTHON_INSTALL_PREFIX}/mpart")

cmake/SetInstallPaths.cmake

@@ -0,0 +1,10 @@
+
+
+if(PYTHON_INSTALL_PREFIX)
+  message(STATUS "PYTHON_INSTALL_PREFIX was set by user to be ${PYTHON_INSTALL_PREFIX}.")
+else()
+  message(STATUS "PYTHON_INSTALL_PREFIX was not set by user, defaulting to CMAKE_INSTALL_PREFIX/python.")
+  set(PYTHON_INSTALL_PREFIX ${CMAKE_INSTALL_PREFIX}/python)
+endif()
+
+message(STATUS "Python packages will be installed to ${PYTHON_INSTALL_PREFIX}.")