Multiple Definitions from boost::json Usage

include/ygm/io/ndjson_parser.hpp

@@ -23,8 +23,8 @@ namespace ygm::io {
  * @param keys Keys to erase
  * @return Number of keys erased
  */
-std::size_t json_erase(boost::json::object            &obj,
-                       const std::vector<std::string> &keys) {
+inline std::size_t json_erase(boost::json::object            &obj,
+                              const std::vector<std::string> &keys) {
   std::size_t num_erased = 0;
   for (const auto &key : keys) {
     num_erased += obj.erase(key);
@@ -39,8 +39,8 @@ std::size_t json_erase(boost::json::object            &obj,
  * @param include_keys Keys to leave in JSON object
  * @return Number of keys filtered from JSON object
  */
-std::size_t json_filter(boost::json::object            &obj,
-                        const std::vector<std::string> &include_keys) {
+inline std::size_t json_filter(boost::json::object            &obj,
+                               const std::vector<std::string> &include_keys) {
   std::set<std::string>    include_keys_set{include_keys.begin(),
                                          include_keys.end()};
   std::vector<std::string> keys_to_erase;

include/ygm/io/parquet_parser.hpp

@@ -80,7 +80,7 @@ struct parquet_data_type {
   friend std::ostream &operator<<(std::ostream &, const parquet_data_type &);
 };
 
-std::ostream &operator<<(std::ostream &os, const parquet_data_type &t) {
+inline std::ostream &operator<<(std::ostream &os, const parquet_data_type &t) {
   os << parquet::TypeToString(t.type);
   if (!t.supported()) {
     os << " (unsupported)";

include/ygm/utility/boost_json.hpp

@@ -9,7 +9,7 @@
 #error BOOST >= 1.75 is required for Boost.JSON
 #endif
 
-#include <boost/json/src.hpp>
+#include <boost/json.hpp>
 #include <cereal/cereal.hpp>
 #include <string>
 
@@ -176,4 +176,4 @@ void CEREAL_LOAD_FUNCTION_NAME(Archive &archive, bj::string &str) {
       cereal::binary_data(const_cast<char *>(str.data()), size * sizeof(char)));
 }
 
-}  // namespace cereal
+}  // namespace cereal

test/CMakeLists.txt

@@ -83,6 +83,13 @@ add_ygm_test(test_work_queue)
 if (Arrow_FOUND AND Parquet_FOUND)
     add_ygm_test(test_parquet_reader)
     link_arrow_parquet(MPI_test_parquet_reader)
+
+    add_library(test_multi_compilation_unit_lib test_multi_compilation_unit_lib.cpp)
+    target_link_libraries(test_multi_compilation_unit_lib PUBLIC ygm::ygm)
+    link_arrow_parquet(test_multi_compilation_unit_lib)
+    add_ygm_test(test_multi_compilation_unit_driver)
+    target_link_libraries(MPI_test_multi_compilation_unit_driver PRIVATE test_multi_compilation_unit_lib)
+    link_arrow_parquet(MPI_test_multi_compilation_unit_driver)
 endif ()
 
 #

test/test_multi_compilation_unit_driver.cpp

@@ -0,0 +1,8 @@
+
+#include "test_multi_compilation_unit_lib.h"
+
+int main() {
+  dummy_function();
+
+  return 0;
+}

test/test_multi_compilation_unit_lib.cpp

@@ -0,0 +1,4 @@
+
+#include "test_multi_compilation_unit_lib.h"
+
+void dummy_function() { return; }

test/test_multi_compilation_unit_lib.h

@@ -0,0 +1,25 @@
+
+// Including all of YGM (except parquet_parser)
+#include <ygm/comm.hpp>
+#include <ygm/random.hpp>
+
+#include <ygm/container/array.hpp>
+#include <ygm/container/bag.hpp>
+#include <ygm/container/counting_set.hpp>
+#include <ygm/container/disjoint_set.hpp>
+#include <ygm/container/map.hpp>
+#include <ygm/container/set.hpp>
+#include <ygm/container/tagged_bag.hpp>
+#include <ygm/container/work_queue.hpp>
+
+#include <ygm/io/csv_parser.hpp>
+#include <ygm/io/daily_output.hpp>
+#include <ygm/io/line_parser.hpp>
+#include <ygm/io/multi_output.hpp>
+#include <ygm/io/ndjson_parser.hpp>
+#include <ygm/io/parquet_parser.hpp>
+
+#include <ygm/utility/progress_indicator.hpp>
+#include <ygm/utility/timer.hpp>
+
+void dummy_function();