add errors when using nompi with Zoltan/CGNS

- CMakeLists.txt: add error when SCOREC_NO_MPI and ENABLE_CGNS.
- zoltan/CMakeLists.txt: add error when SCOREC_NO_MPI and ENABLE_ZOLTAN.

Signed-off-by: Aiden Woodruff <woodra@rpi.edu>

Author: bobpaw

CMakeLists.txt

@@ -34,6 +34,9 @@ endif()
 #
 option(SCOREC_NO_MPI "Disable MPI support.  When enabled only serial execution is supported." OFF)
 message(STATUS "SCOREC_NO_MPI: ${SCOREC_NO_MPI}")
+if(SCOREC_NO_MPI AND ENABLE_CGNS)
+  message(FATAL_ERROR "SCOREC_NO_MPI is incompatible with CGNS.")
+endif()
 
 # Set some default compiler flags that should always be used
 if(NOT USE_XSDK_DEFAULTS)

zoltan/CMakeLists.txt

@@ -9,6 +9,10 @@ xsdk_add_tpl(ZOLTAN)
 xsdk_add_tpl(PARMETIS)
 message(STATUS "ENABLE_ZOLTAN: " ${ENABLE_ZOLTAN})
 
+if(SCOREC_NO_MPI AND ENABLE_ZOLTAN)
+  message(FATAL_ERROR "SCOREC_NO_MPI is incompatible with Zoltan.")
+endif()
+
 # Let CMake know where to find custom find package implementations
 set(CMAKE_MODULE_PATH
   ${CMAKE_MODULE_PATH}