feat: add simg4ox executable (#105)

Author: plexoos

src/CMakeLists.txt

@@ -1,3 +1,6 @@
+find_package(Geant4 REQUIRED ui_all vis_all)
+
+# consgeo is a tool for converting GDML into CSG
 add_executable(consgeo consgeo.cc)
 
 target_link_libraries(consgeo G4CX)
@@ -10,3 +13,15 @@ target_include_directories(consgeo PRIVATE
 install(TARGETS consgeo EXPORT ${PROJECT_NAME}Targets
     RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
 )
+
+# simg4ox runs Geant4 and OptiX simulations
+add_executable(simg4ox simg4ox.cpp g4app.h)
+
+target_link_libraries(simg4ox ${Geant4_LIBRARIES} G4CX)
+
+target_include_directories(simg4ox PRIVATE
+    $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/include>
+    $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}>
+)
+
+install(TARGETS simg4ox RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})