CMake: Avoid building AMPI when ChaNGa is specified (#3474)

Author: evan-charmworks

CMakeLists.txt

@@ -190,6 +190,9 @@ string(TOLOWER "${TARGET}" target_lower)
 if(${target_lower} STREQUAL "changa")
   set(TARGET "LIBS")
   set(LBUSERDATA 1)
+  set(BUILD_CHANGA 1)
+else()
+  set(BUILD_CHANGA 0)
 endif()
 
 if(${TARGET} STREQUAL "everylb")
@@ -853,7 +856,7 @@ add_dependencies(moduletcharmmain ck)
 add_dependencies(moduletcharm ck)
 add_dependencies(tcharm-compat ck)
 
-if(${TARGET} STREQUAL "AMPI" OR ${TARGET} STREQUAL "LIBS")
+if(${TARGET} STREQUAL "AMPI" OR (${TARGET} STREQUAL "LIBS" AND NOT BUILD_CHANGA))
   add_subdirectory(src/libs/ck-libs/ampi)
 endif()
 

src/libs/ck-libs/CMakeLists.txt

@@ -117,16 +117,18 @@ configure_file(pose/libmodulepose.dep ${CMAKE_BINARY_DIR}/lib/libmoduleseqpose.d
 
 
 # idxl
-set(idxl-h-sources idxl/idxlc.h idxl/idxlf.h idxl/idxl.h idxl/idxl_layout.h idxl/idxl_comm.h)
-set(idxl-cxx-sources idxl/idxl.C idxl/idxl_layout.C idxl/idxl_comm.C idxl/idxl_api.C)
-add_library(idxl ${idxl-h-sources} ${idxl-cxx-sources})
-add_dependencies(idxl ck moduleampi)
+if(NOT BUILD_CHANGA)
+  set(idxl-h-sources idxl/idxlc.h idxl/idxlf.h idxl/idxl.h idxl/idxl_layout.h idxl/idxl_comm.h)
+  set(idxl-cxx-sources idxl/idxl.C idxl/idxl_layout.C idxl/idxl_comm.C idxl/idxl_api.C)
+  add_library(idxl ${idxl-h-sources} ${idxl-cxx-sources})
+  add_dependencies(idxl ck moduleampi)
 
-set_target_properties(idxl PROPERTIES RULE_LAUNCH_COMPILE ${CMAKE_BINARY_DIR}/bin/ampicxx)
+  set_target_properties(idxl PROPERTIES RULE_LAUNCH_COMPILE ${CMAKE_BINARY_DIR}/bin/ampicxx)
 
-foreach(file ${idxl-h-sources})
-	configure_file(${file} ${CMAKE_BINARY_DIR}/include COPYONLY)
-endforeach()
+  foreach(file ${idxl-h-sources})
+    configure_file(${file} ${CMAKE_BINARY_DIR}/include COPYONLY)
+  endforeach()
+endif()
 
 
 # searchengine