Implement two minimal build flavors

Author: Martin D. Weinberg

CMakeLists.txt

@@ -47,18 +47,41 @@ endif()
 # Build options
 option(ENABLE_NBODY "Enable EXP n-body" ON)
 option(ENABLE_PYEXP "Enable the Python bindings" ON)
+option(ENABLE_PYEXP_ONLY "Python bindings and support libraries only" OFF)
+option(ENABLE_UTILS "Enable build of the EXP standalone utilities" OFF)
 option(ENABLE_PNG "Enable PNG graphics support" FALSE)
 option(ENABLE_CUDA "Enable CUDA" FALSE)
 option(ENABLE_SLURM "Enable SLURM checkpointing support" FALSE)
 option(ENABLE_XDR "Enable RPC/XDR support for Tipsy standard" FALSE)
 option(ENABLE_VTK "Configure VTK if available" FALSE)
 option(ENABLE_CUDA_SINGLE "Use real*4 instead of real*8 for CUDA" FALSE)
-option(ENABLE_USER "Enable basic user modules" ON)
+option(ENABLE_USER "Enable compilation of user modules" ON)
 option(ENABLE_SLCHECK "Enable *careful* Sturm-Liouville solutions" TRUE)
 option(ENABLE_TESTS "Enable build tests for EXP, pyEXP and helpers" ON)
+option(ENABLE_MINIMAL "Compile EXP support libraries only" OFF)
 option(BUILD_SHARED_LIBS "Build using shared libraries" ON)
 option(BUILD_DOCS "Build documentation" OFF)
 
+# Metaflag for minimal build
+
+if(ENABLE_MINIMAL)
+  set(ENABLE_NBODY OFF)
+  set(ENABLE_PYEXP OFF)
+  set(ENABLE_USER  OFF)
+  set(ENABLE_UTILS OFF)
+  set(ENABLE_TESTS OFF)
+endif()
+  
+# Metaflag for pyEXP only
+
+if(ENABLE_PYEXP_ONLY)
+  set(ENABLE_NBODY OFF)
+  set(ENABLE_PYEXP ON )
+  set(ENABLE_USER  OFF)
+  set(ENABLE_UTILS OFF)
+  set(ENABLE_TESTS OFF)
+endif()
+  
 # Set mpirun launcher for CTest
 
 set(EXP_MPI_LAUNCH "mpirun" CACHE STRING "Command to run an MPI application (for unit tests only)")
@@ -253,12 +276,15 @@ add_subdirectory(expui)
 if (ENABLE_NBODY)
   add_subdirectory(src)
 endif()
-add_subdirectory(utils)
+if (ENABLE_UTILS)
+  add_subdirectory(utils)
+endif()
 if (ENABLE_PYEXP)
   add_subdirectory(pyEXP)
 endif()
-
-add_subdirectory(extern/user-modules)
+if (ENABLE_USER)
+  add_subdirectory(extern/user-modules)
+endif()
 
 # Build the tests; set ENABLE_TEST=OFF to disable
 if(ENABLE_TESTS)

expui/CMakeLists.txt

@@ -48,16 +48,19 @@ install(TARGETS expui DESTINATION lib)
 
 # Configure and build the test routines
 #
-add_executable(nativetoh5 coefstoh5.cc)
-add_executable(h5compare  h5compare.cc)
-add_executable(viewcoefs  viewcoefs.cc)
-add_executable(h5power    h5power.cc)
-add_executable(makecoefs  makecoefs.cc)
-add_executable(testread   testread.cc)
-
-foreach(program ${bin_PROGRAMS})
-  target_link_libraries(${program} expui exputil ${common_LINKLIB})
-  target_include_directories(${program} PUBLIC ${common_INCLUDE})
-  target_compile_options(${program} PUBLIC ${OpenMP_CXX_FLAGS})
-  install(TARGETS ${program} DESTINATION bin)
-endforeach()
+if(ENABLE_UTILS)
+  add_executable(nativetoh5 coefstoh5.cc)
+  add_executable(h5compare  h5compare.cc)
+  add_executable(viewcoefs  viewcoefs.cc)
+  add_executable(h5power    h5power.cc)
+  add_executable(makecoefs  makecoefs.cc)
+  add_executable(testread   testread.cc)
+
+  foreach(program ${bin_PROGRAMS})
+    target_link_libraries(${program} expui exputil ${common_LINKLIB})
+    target_include_directories(${program} PUBLIC ${common_INCLUDE})
+    target_compile_options(${program} PUBLIC ${OpenMP_CXX_FLAGS})
+    install(TARGETS ${program} DESTINATION bin)
+  endforeach()
+
+endif()