refactor: Delete the examples binaries (#2685)

This PR deletes the Examples binaries

.github/workflows/builds.yml

@@ -63,7 +63,6 @@ jobs:
           -DACTS_BUILD_EVERYTHING=ON
           -DACTS_BUILD_ODD=ON
           -DACTS_BUILD_EXAMPLES_PYTHON_BINDINGS=ON
-          -DACTS_BUILD_EXAMPLES_BINARIES=ON
           -DACTS_BUILD_EXAMPLES_EDM4HEP=ON
           -DACTS_FORCE_ASSERTIONS=ON
           -DACTS_BUILD_ANALYSIS_APPS=ON
@@ -139,13 +138,6 @@ jobs:
       - name: Unpack build
         run: mkdir build && tar xf build.tar.gz -C build
 
-      - name: Examples
-        shell: bash
-        run: >
-          export LD_LIBRARY_PATH=$PWD/build/thirdparty/OpenDataDetector/factory:$LD_LIBRARY_PATH
-          && source /usr/local/bin/thisdd4hep_only.sh
-          && ./CI/run_examples.sh
-
       - name: Python level tests
         shell: bash
         env:
@@ -422,7 +414,6 @@ jobs:
           -DCMAKE_CXX_FLAGS=-Werror
           -DCMAKE_INSTALL_PREFIX="${INSTALL_DIR}"
           -DACTS_LOG_FAILURE_THRESHOLD=WARNING
-          -DACTS_BUILD_EXAMPLES_BINARIES=ON
           -DACTS_FORCE_ASSERTIONS=ON
           -DACTS_USE_SYSTEM_BOOST=OFF
           -DACTS_USE_SYSTEM_EIGEN3=OFF

CMakeLists.txt

@@ -63,7 +63,6 @@ option(ACTS_BUILD_EXAMPLES_GEANT4 "Build Geant4-based code in the examples" OFF)
 option(ACTS_BUILD_EXAMPLES_HEPMC3 "Build HepMC3-based code in the examples" OFF)
 option(ACTS_BUILD_EXAMPLES_PYTHIA8 "Build Pythia8-based code in the examples" OFF)
 option(ACTS_BUILD_EXAMPLES_PYTHON_BINDINGS "Build python bindings for the examples" OFF)
-option(ACTS_BUILD_EXAMPLES_BINARIES "Build the examples binaries (deprecated)" OFF)
 option(ACTS_USE_SYSTEM_PYBIND11 "Use a system installation of pybind11" ${ACTS_USE_SYSTEM_LIBS} )
 option(ACTS_USE_EXAMPLES_TBB "Use Threading Building Blocks library in the examples" ON)
 option(ACTS_BUILD_ANALYSIS_APPS "Build Analysis applications in the examples" OFF)
@@ -131,7 +130,7 @@ set_option_if(
   ACTS_BUILD_EVERYTHING)
 set_option_if(
     ACTS_BUILD_PLUGIN_GEANT4
-    ACTS_BUILD_EXAMPLES_GEANT4 OR ACTS_BUILD_EVERYTHING)  
+    ACTS_BUILD_EXAMPLES_GEANT4 OR ACTS_BUILD_EVERYTHING)
 set_option_if(
   ACTS_BUILD_PLUGIN_TGEO
   ACTS_BUILD_PLUGIN_DD4HEP OR ACTS_BUILD_EXAMPLES OR ACTS_BUILD_EVERYTHING)
@@ -146,7 +145,7 @@ set_option_if(
   ACTS_BUILD_EXAMPLES OR ACTS_BUILD_EVERYTHING)
 set_option_if(ACTS_BUILD_PLUGIN_LEGACY ACTS_BUILD_EVERYTHING)
 set_option_if(ACTS_BUILD_PLUGIN_EXATRKX ACTS_BUILD_EXAMPLES_EXATRKX)
-set_option_if(ACTS_BUILD_PLUGIN_FPEMON 
+set_option_if(ACTS_BUILD_PLUGIN_FPEMON
   ACTS_BUILD_EXAMPLES OR ACTS_BUILD_EVERYTHING)
 
 # feature tests
@@ -317,7 +316,7 @@ if(ACTS_BUILD_PLUGIN_EXATRKX)
     message(WARNING "CUDA not found, build Exa.TrkX plugin only for CPU")
   endif()
   if(NOT (ACTS_EXATRKX_ENABLE_ONNX OR ACTS_EXATRKX_ENABLE_TORCH))
-    message(FATAL_ERROR 
+    message(FATAL_ERROR
       "When building the Exa.TrkX plugin, at least one of ACTS_EXATRKX_ENABLE_ONNX \
       and ACTS_EXATRKX_ENABLE_TORCHSCRIPT must be enabled."
     )
@@ -354,7 +353,7 @@ if(ACTS_BUILD_EXAMPLES)
 endif()
 if(ACTS_BUILD_EXAMPLES_PYTHON_BINDINGS)
   find_package(Python 3.8 REQUIRED COMPONENTS Interpreter Development)
-  if(ACTS_USE_SYSTEM_PYBIND11) 
+  if(ACTS_USE_SYSTEM_PYBIND11)
     find_package(pybind11 CONFIG REQUIRED)
   else()
     add_subdirectory(thirdparty/pybind11)

Examples/CMakeLists.txt

@@ -2,6 +2,7 @@ add_subdirectory(Algorithms)
 add_subdirectory(Detectors)
 add_subdirectory(Framework)
 add_subdirectory(Io)
-add_subdirectory_if(Run ACTS_BUILD_EXAMPLES_BINARIES)
 add_subdirectory_if(Python ACTS_BUILD_EXAMPLES_PYTHON_BINDINGS)
 add_subdirectory_if(Scripts ACTS_BUILD_ANALYSIS_APPS)
+
+add_subdirectory(HelloWorld)

Examples/Run/HelloWorld/CMakeLists.txt → Examples/HelloWorld/CMakeLists.txt

@@ -8,7 +8,7 @@ target_link_libraries(
   ActsExampleHelloWorld
   PRIVATE
     ActsCore
-    ActsExamplesFramework ActsExamplesCommon)
+    ActsExamplesFramework)
 
 install(
   TARGETS ActsExampleHelloWorld

Examples/Run/HelloWorld/HelloWorld.cpp → Examples/HelloWorld/HelloWorld.cpp

@@ -11,7 +11,6 @@
 
 #include "ActsExamples/Framework/RandomNumbers.hpp"
 #include "ActsExamples/Framework/Sequencer.hpp"
-#include "ActsExamples/Options/CommonOptions.hpp"
 
 #include <cstdlib>
 #include <memory>
@@ -21,29 +20,19 @@
 #include "HelloWhiteBoardAlgorithm.hpp"
 
 int main(int argc, char* argv[]) {
-  // setup options
-  // every component should have an associated option setup function
-  // that should be called here.
-  auto opt = ActsExamples::Options::makeDefaultOptions();
-  ActsExamples::Options::addSequencerOptions(opt);
-  ActsExamples::Options::addRandomNumbersOptions(opt);
-  // parse options from command line flags
-  auto vm = ActsExamples::Options::parse(opt, argc, argv);
-  // an empty variables map indicates an error
-  if (vm.empty()) {
-    return EXIT_FAILURE;
-  }
-
-  // extract some common options
-  auto logLevel = ActsExamples::Options::readLogLevel(vm);
+  (void)argc;
+  (void)argv;
+  Acts::Logging::Level logLevel = Acts::Logging::INFO;
 
   // setup basic tools shared among algorithms
   auto rnd = std::make_shared<ActsExamples::RandomNumbers>(
-      ActsExamples::Options::readRandomNumbersConfig(vm));
+      ActsExamples::RandomNumbers::Config{});
 
   // setup the sequencer first w/ config derived from options
-  ActsExamples::Sequencer sequencer(
-      ActsExamples::Options::readSequencerConfig(vm));
+  ActsExamples::Sequencer::Config seqCfg;
+  seqCfg.events = 10;
+  seqCfg.numThreads = -1;
+  ActsExamples::Sequencer sequencer(seqCfg);
 
   // add HelloWorld algorithm that does nothing
   sequencer.addAlgorithm(