Merge pull request #284 from chuckatkins/fix-python-module-path

Fix python module path

CMakeLists.txt

@@ -177,6 +177,14 @@ if(ADIOS2_HAVE_Fortran)
   message("")
 endif()
 message("  Installation prefix: ${CMAKE_INSTALL_PREFIX}")
+message("        bin: ${CMAKE_INSTALL_BINDIR}")
+message("        lib: ${CMAKE_INSTALL_LIBDIR}")
+message("    include: ${CMAKE_INSTALL_INCLUDEDIR}")
+message("      cmake: ${CMAKE_INSTALL_CMAKEDIR}")
+if(ADIOS2_HAVE_Python)
+  message("     python: ${CMAKE_INSTALL_PYTHONDIR}")
+endif()
+message("")
 message("  Features:")
 if(BUILD_SHARED_LIBS)
   set(msg_lib_type "shared")

bindings/python/CMakeLists.txt

@@ -18,9 +18,8 @@ if(ADIOS2_HAVE_MPI)
   target_link_libraries(adios2py PRIVATE PythonModule::mpi4py)
 endif()
 
-string(REGEX REPLACE
-  "^${PYTHON_PREFIX}/[^/]*/python" "${CMAKE_INSTALL_LIBDIR}/python"
-  CMAKE_INSTALL_PYTHONDIR "${PYTHON_SITE_PACKAGES}"
+set(CMAKE_INSTALL_PYTHONDIR
+  "${CMAKE_INSTALL_LIBDIR}/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}/site-packages"
 )
 set(CMAKE_INSTALL_PYTHONDIR "${CMAKE_INSTALL_PYTHONDIR}"
   CACHE INTERNAL "" FORCE
@@ -30,6 +29,6 @@ set_target_properties(adios2py PROPERTIES
   LIBRARY_OUTPUT_DIRECTORY ${ADIOS2_BINARY_DIR}/${CMAKE_INSTALL_PYTHONDIR}
   RUNTIME_OUTPUT_DIRECTORY ${ADIOS2_BINARY_DIR}/${CMAKE_INSTALL_PYTHONDIR}
 )
-install(TARGETS adios2py 
+install(TARGETS adios2py
   DESTINATION ${CMAKE_INSTALL_PYTHONDIR}
 )