compiling: error: explicit specialization in non-namespace scope 'class Json'

[RenHoekNL]

$ c++ -o jtc -Wall -std=gnu++14 -Ofast -static -Wl,--whole-archive -lrt -pthread -lpthread -Wl,--no-whole-archive jtc.cpp
In file included from jtc.cpp:18:
lib/Json.hpp:1971:14: error: explicit specialization in non-namespace scope 'class Json'
1971 | template<>
| ^
lib/Json.hpp:1972:25: error: template-id 'parse_template_Json::Jsn' in declaration of primary template
1972 | bool parse_template_(Jnode &,
| ^~~~~~~~~~~~~~~~~~~~
lib/Json.hpp: In member function 'void Json::parse_array_(Jnode&, Streamstr::const_iterator&)':
lib/Json.hpp:3188:27: warning: macro expands to multiple statements [-Wmultistatement-macros]
3188 | MAY_RETURN_ON_FAILURE( parse_(child, jsp) )
| ^~~~~~
lib/Json.hpp:3051:5: note: in definition of macro 'MAY_RETURN_ON_FAILURE'
3051 | CODE;
| ^~~~
lib/Json.hpp:3187:3: note: some parts of macro expansion are not guarded by this 'if' clause
3187 | if(not parse_template_(child, jsp, TmpPlacement::Value))
| ^~
In file included from jtc.cpp:18:
lib/Json.hpp: In static member function 'static void Json::generate_auto_tokens_(Json::map_jne&, Json::Stringover&, Json::iterator&)':
lib/Json.hpp:5404:4: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
5404 | if(uct.count(to_upper(t))) DOUT(jit.json()) << dlm << to_upper(t); dlm = ", ";
| ^~
lib/Json.hpp:5404:71: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
5404 | if(uct.count(to_upper(t))) DOUT(jit.json()) << dlm << to_upper(t); dlm = ", ";
| ^~~
lib/Json.hpp:5405:4: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
5405 | if(lct.count(t)) DOUT(jit.json()) << dlm << t; dlm = ", ";
| ^~
lib/Json.hpp:5405:51: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
5405 | if(lct.count(t)) DOUT(jit.json()) << dlm << t; dlm = ", ";
|

$ uname -a
Linux zabbix 5.15.0-47-generic #51-Ubuntu SMP Thu Aug 11 07:51:15 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux

$ c++ --version
c++ (Ubuntu 11.2.0-19ubuntu1) 11.2.0

[ldn-softdev]

are you by chance trying to compile the code with line numbers included?

[RenHoekNL]

I do this:

git clone https://github.com/ldn-softdev/jtc.git
cd jtc
c++ -o jtc -Wall -std=gnu++14 -Ofast -static -Wl,--whole-archive -lrt -pthread -lpthread -Wl,--no-whole-archive jtc.cpp

[RenHoekNL]