boost

readLib/CMakeLists.txt

+find_package (Boost COMPONENTS iostreams REQUIRED)
+
 set (
   files
   source/Interface.boost.cc 
@@ -5,6 +7,8 @@ set (
 
 add_library(libCorsikaData STATIC ${files})
 
+target_link_libraries(libCorsikaData PUBLIC Boost::iostreams)
+
 set_target_properties (
   libCorsikaData
   PROPERTIES

readLib/source/Interface.boost.cc

@@ -55,7 +55,7 @@ namespace corsika_data {
   int CorDataNextText(char* data, const int length) {
     std::string STR;    
     global_DataFile.ReadNextText(STR);
-    for (int i=0; i<length && i<STR.size(); ++i)
+    for (int i=0; i<length && i<(int)STR.size(); ++i)
       data[i] = STR[i];
     return 0;
   }