Remove roofit option again

With the conda nighlies being up-to-date again, we don't need the option
to disable RooFit anymore (it was introduced for the CI to be green,
as the RooFit benchmarks used new things that were not available in the
outdated nightlies).

.github/workflows/ci.yaml

@@ -46,8 +46,7 @@ jobs:
       run: |
            conda activate root-nightly
            mkdir -p build && cd build
-           # The conda nightlies are not built with a cutting-edge ROOT version that the RooFit benchmarks require
-           cmake -Dcuda=OFF -Droofit=OFF ..
+           cmake -Dcuda=OFF ..
            cmake --build .
 
     - name: Run benchmarks

CMakeLists.txt

@@ -10,7 +10,6 @@ endif()
 project(rootbench)
 
 option(cuda "Build benchmarks that run on CUDA GPUs" OFF)
-option(roofit "Build RooFit benchmarks" ON)
 
 include(CMakeToolsHelpers OPTIONAL)
 include(ExternalProject)

root/CMakeLists.txt

@@ -1,10 +1,8 @@
+add_subdirectory(hist)
 add_subdirectory(interpreter)
 add_subdirectory(io)
-add_subdirectory(hist)
 add_subdirectory(math)
 add_subdirectory(pyroot)
-if (roofit)
-  add_subdirectory(roofit)
-endif()
-add_subdirectory(tree)
+add_subdirectory(roofit)
 add_subdirectory(tmva)
+add_subdirectory(tree)

root/roofit/roofit/CMakeLists.txt

@@ -14,7 +14,7 @@ RB_ADD_GBENCHMARK(benchRooFitBackends
   LIBRARIES Core MathCore RooFitCore RooFit)
 
 if(cuda)
-  target_compile_definitions(benchRooFitBinned PRIVATE DO_BENCH_ROOFIT_CUDA)
+  target_compile_definitions(benchRooFitUnbinned PRIVATE DO_BENCH_ROOFIT_CUDA)
   target_compile_definitions(benchRooFitBackends PRIVATE DO_BENCH_ROOFIT_CUDA)
 endif()