Add missing install() directive for main library

Author: ManifoldFR

CMakeLists.txt

@@ -190,6 +190,11 @@ install(
   PATTERN "*.so"
   PATTERN "*.pyd"
 )
+install(
+  TARGETS ${PROJECT_NAME}
+  EXPORT ${TARGETS_EXPORT_NAME}
+  LIBRARY DESTINATION ${python_install_dir}
+)
 # ------------------------------------------------------------------------ #
 jrl_target_headers(nanoeigenpy_headers INTERFACE
   HEADERS ${nanoeigenpy_HEADERS}