Update ldsctrlest CMake configuration

Author: khansameer25

python/ldsctrlest/CMakeLists.txt

@@ -3,15 +3,28 @@ pybind11_add_module(gaussian MODULE gaussian.cpp)
 pybind11_add_module(poisson MODULE poisson.cpp)
 add_custom_target(python_modules DEPENDS base gaussian poisson)
 
-# need C++14 for CARMA
-set_property(TARGET base gaussian poisson PROPERTY CXX_STANDARD 14)
-set_property(TARGET base gaussian poisson PROPERTY CXX_STANDARD_REQUIRED ON)
-
+# Set version info for all modules
 target_compile_definitions(base PRIVATE VERSION_INFO=${PROJECT_VERSION})
 target_compile_definitions(gaussian PRIVATE VERSION_INFO=${PROJECT_VERSION})
 target_compile_definitions(poisson PRIVATE VERSION_INFO=${PROJECT_VERSION})
 
-# carma already linked to main project
+# Link with main library
 target_link_libraries(base PUBLIC ${CMAKE_PROJECT_NAME})
 target_link_libraries(gaussian PUBLIC ${CMAKE_PROJECT_NAME})
 target_link_libraries(poisson PUBLIC ${CMAKE_PROJECT_NAME})
+
+# Set RPATH so the extension modules can find the main library
+if(APPLE)
+    set_target_properties(base gaussian poisson PROPERTIES
+        INSTALL_RPATH "@loader_path"
+        BUILD_WITH_INSTALL_RPATH TRUE)
+else()
+    set_target_properties(base gaussian poisson PROPERTIES
+        INSTALL_RPATH "$ORIGIN"
+        BUILD_WITH_INSTALL_RPATH TRUE)
+endif()
+
+# Install the Python modules
+install(TARGETS base gaussian poisson
+    LIBRARY DESTINATION ldsctrlest
+    RUNTIME DESTINATION ldsctrlest)