Can now print some build info

CMakeLists.txt

@@ -482,6 +482,19 @@ if (OPENMC_USE_MPI)
   target_link_libraries(libopenmc MPI::MPI_CXX)
 endif()
 
+#===============================================================================
+# Log build info that this executable can report later
+#===============================================================================
+target_compile_definitions(libopenmc PRIVATE BUILD_TYPE=${CMAKE_BUILD_TYPE})
+target_compile_definitions(libopenmc PRIVATE COMPILER_ID=${CMAKE_CXX_COMPILER_ID})
+target_compile_definitions(libopenmc PRIVATE COMPILER_VERSION=${CMAKE_CXX_COMPILER_VERSION})
+if (OPENMC_ENABLE_PROFILE)
+  target_compile_definitions(libopenmc PRIVATE PROFILINGBUILD)
+endif()
+if (OPENMC_ENABLE_COVERAGE)
+  target_compile_definitions(libopenmc PRIVATE COVERAGEBUILD)
+endif()
+
 #===============================================================================
 # openmc executable
 #===============================================================================

include/openmc/output.h

@@ -40,6 +40,9 @@ void print_usage();
 //! Display current version and copright/license information
 void print_version();
 
+//! Display compile flags employed, etc
+void print_build_info();
+
 //! Display header listing what physical values will displayed
 void print_columns();
 

src/initialize.cpp

@@ -260,6 +260,7 @@ int parse_command_line(int argc, char* argv[])
 
       } else if (arg == "-v" || arg == "--version") {
         print_version();
+        print_build_info();
         return OPENMC_E_UNASSIGNED;
 
       } else if (arg == "-t" || arg == "--track") {

src/output.cpp

@@ -347,6 +347,61 @@ void print_version()
 
 //==============================================================================
 
+void print_build_info()
+{
+  const std::string n("no");
+  const std::string y("yes");
+
+  std::string mpi(n);
+  std::string phdf5(n);
+  std::string dagmc(n);
+  std::string libmesh(n);
+  std::string png(n);
+  std::string profiling(n);
+  std::string coverage(n);
+
+#ifdef PHDF5
+  phdf5 = y;
+#endif
+#ifdef OPENMC_MPI
+  mpi = y;
+#endif
+#ifdef DAGMC
+  dagmc = y;
+#endif
+#ifdef LIBMESH
+  libmesh = y;
+#endif
+#ifdef USE_LIBPNG
+  png = y;
+#endif
+#ifdef PROFILINGBUILD
+  profiling = y;
+#endif
+#ifdef COVERAGEBUILD
+  coverage = y;
+#endif
+
+  // Wraps macro variables in quotes
+#define STRINGIFY(x) STRINGIFY2(x)
+#define STRINGIFY2(x) #x
+
+  if (mpi::master) {
+    fmt::print("Build type:            {}\n", STRINGIFY(BUILD_TYPE));
+    fmt::print("Compiler ID:           {} {}\n", STRINGIFY(COMPILER_ID),
+      STRINGIFY(COMPILER_VERSION));
+    fmt::print("MPI enabled:           {}\n", mpi);
+    fmt::print("Parallel HDF5 enabled: {}\n", phdf5);
+    fmt::print("PNG support:           {}\n", png);
+    fmt::print("DAGMC support:         {}\n", dagmc);
+    fmt::print("libMesh support:       {}\n", libmesh);
+    fmt::print("Coverage testing:      {}\n", coverage);
+    fmt::print("Profiling flags:         {}\n", profiling);
+  }
+}
+
+//==============================================================================
+
 void print_columns()
 {
   if (settings::entropy_on) {