fix building with system boost (#309)

Author: hyperblast

cpp/extlibs/boost/files/boost/config/user.hpp

@@ -13,7 +13,7 @@ find_library(
 include(FindPackageHandleStandardArgs)
 
 find_package_handle_standard_args(
-    STRINGENCODERS REQUIRED_VARS STRINGENCODERS_INCLUDE_DIRS STRINGENCODERS_LIBRARIES
+    StringEncoders REQUIRED_VARS STRINGENCODERS_INCLUDE_DIRS STRINGENCODERS_LIBRARIES
 )
 
 mark_as_advanced(STRINGENCODERS_INCLUDE_DIRS STRINGENCODERS_LIBRARIES)

cpp/extlibs/stringencoders/system/FindStringEncoders.cmake

@@ -41,6 +41,11 @@ if(OS_WINDOWS)
     )
 endif()
 
+add_definitions(
+    -DBOOST_ALL_NO_LIB=1
+    -DBOOST_THREAD_PROVIDES_FUTURE_CONTINUATION=1
+)
+
 find_package(Boost REQUIRED COMPONENTS system filesystem thread)
 find_package(Nljson REQUIRED)
 find_package(StringEncoders REQUIRED)

cpp/server/CMakeLists.txt

@@ -3,6 +3,7 @@
 #include "defines.hpp"
 #include "player_api.hpp"
 
+#include <atomic>
 #include <unordered_set>
 #include <bitset>
 #include <mutex>

cpp/server/player_events.hpp

@@ -60,7 +60,7 @@ void tryCopyFile(const Path& from, const Path& to)
         fs::copy_file(from, to, ec);
 
         if (ec.failed())
-            logError("copying failed: %s", ec.what().c_str());
+            logError("copying failed: %s", ec.message().c_str());
     }
 }