From 66bef8148ad9cba082d06c2b8e6fa34d752b1bc6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Max=20L=C3=BCbke?= <mluebke@gfz-potsdam.de>
Date: Tue, 9 Feb 2021 18:57:57 +0100
Subject: [PATCH] print version of POET at program startup

---
 src/CMakeLists.txt |  3 +++
 src/poet.cpp       | 19 +++++++++++++------
 src/poet.h.in      |  7 +++++++
 3 files changed, 23 insertions(+), 6 deletions(-)
 create mode 100644 src/poet.h.in

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 449fe66c6..ce3a89413 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,4 +1,7 @@
+configure_file(poet.h.in poet.h)
+
 add_executable(poet poet.cpp)
+target_include_directories(poet PUBLIC "${PROJECT_BINARY_DIR}/src")
 target_link_libraries(poet PRIVATE POET_Model POET_Util MPI::MPI_C)
 target_compile_definitions(poet PRIVATE OMPI_SKIP_MPICXX)
 
diff --git a/src/poet.cpp b/src/poet.cpp
index 5ed95302c..8c57ca079 100644
--- a/src/poet.cpp
+++ b/src/poet.cpp
@@ -30,6 +30,8 @@
 #include <string>
 #include <vector>
 
+#include <poet.h>
+
 using namespace std;
 using namespace poet;
 using namespace Rcpp;
@@ -55,15 +57,20 @@ int main(int argc, char *argv[]) {
     MPI_Comm_split(MPI_COMM_WORLD, 1, world_rank, &dht_comm);
   }
 
+  if (world_rank == 0) {
+    cout << "Running POET in version " << poet_version_major << "."
+         << poet_version_minor << endl
+         << endl;
+  }
+
   /* initialize R runtime */
   RRuntime R(argc, argv);
 
   /*Loading Dependencies*/
-  std::string r_load_dependencies =
-    "suppressMessages(library(Rmufits));"
-    "suppressMessages(library(RedModRphree));"
-    "source('kin_r_library.R');"
-    "source('parallel_r_library.R');";
+  std::string r_load_dependencies = "suppressMessages(library(Rmufits));"
+                                    "suppressMessages(library(RedModRphree));"
+                                    "source('kin_r_library.R');"
+                                    "source('parallel_r_library.R');";
   R.parseEvalQ(r_load_dependencies);
 
   SimParams params(world_rank, world_size);
@@ -168,7 +175,7 @@ int main(int argc, char *argv[]) {
 
       MPI_Barrier(MPI_COMM_WORLD);
 
-    }  // END SIMULATION LOOP
+    } // END SIMULATION LOOP
 
     cout << "CPP: finished simulation loop" << endl;
 
diff --git a/src/poet.h.in b/src/poet.h.in
new file mode 100644
index 000000000..66700e7b8
--- /dev/null
+++ b/src/poet.h.in
@@ -0,0 +1,7 @@
+#ifndef POET_H
+#define POET_H
+
+const int poet_version_major = @POET_VERSION_MAJOR@;
+const int poet_version_minor = @POET_VERSION_MINOR@;
+
+#endif // POET_H