Visual Studio All c++ functions are not members of global namespace - c++

I recently installed Visual studio as I'm working to pick up c++ more. However in c++, even running something as simple as a hello world code yields me a huge number of errors such as
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.24.28314\include\cstdlib(24,18): error C2039: 'fabs': is not a member of 'global namespace'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.24.28314\include\cstdlib(24,22): error C3861: 'fabs': identifier not found
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.24.28314\include\cstdlib(28,18): error C2039: 'fabsf': is not a member of 'global namespace'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.24.28314\include\cstdlib(28,23): error C3861: 'fabsf': identifier not found
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.24.28314\include\cstdlib(32,18): error C2039: 'fabsl': is not a member of 'global namespace'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.24.28314\include\cstdlib(32,23): error C3861: 'fabsl': identifier not found
The error seems to be either an issue with my VS setup or my C++ Distribution. Is this a common issue? Has anyone else seen this before?
Here is the code
#include <iostream>
int main()
{
std::cout << "Hello World!\n";
return 0;
}

Related

error C2039: 'fabs': is not a member of '`global namespace''

My project compiled well, even with full rebuild, then I modified a single parameter in a dialog resource and now it doesn't compile even changing back the parameter, I have many errors, beginning with that:
1>C:\Program Files\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.25.28610\include\cstdlib(24,18): error C2039: 'fabs': is not a member of '`global namespace''
1>C:\Program Files\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.25.28610\include\cstdlib(24,22): error C3861: 'fabs': identifier not found
1>C:\Program Files\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.25.28610\include\cstdlib(28,18): error C2039: 'fabsf': is not a member of '`global namespace''
1>C:\Program Files\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.25.28610\include\cstdlib(28,23): error C3861: 'fabsf': identifier not found
1>C:\Program Files\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.25.28610\include\cstdlib(32,18): error C2039: 'fabsl': is not a member of '`global namespace''
1>C:\Program Files\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.25.28610\include\cstdlib(32,23): error C3861: 'fabsl': identifier not found
There's also in cmath:
1>C:\Program Files\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.25.28610\include\cmath(31,18): error C2039: 'acosf': is not a member of '`global namespace''
1>C:\Program Files\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.25.28610\include\cmath(31,23): error C3861: 'acosf': identifier not found
1>C:\Program Files\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.25.28610\include\cmath(35,18): error C2039: 'acoshf': is not a member of '`global namespace''
1>C:\Program Files\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.25.28610\include\cmath(35,24): error C3861: 'acoshf': identifier not found
As it is in side Microsoft files I don't see what I can do.
EDIT: If I select "go to definition" in cmath, it seems that all these function are not declared because of _CRT_FUNCTIONS_REQUIRED not beeing defined, maybe it can help.
As the problem ocured after I modified the resource and I found that fabs was not declared because of _CRT_FUNCTIONS_REQUIRED not set to 1, I checked my resource.h file (comming from the original project) and saw that many definition lines where set and one containing #define _CRT_FUNCTIONS_REQUIRED 0.
I commented out all the lines and uncommented the missing definition, and I was able to compile.

Can't include cliext headers (for c++ cli, Visual Studio)

Even with a clean empty dll project that is compiled with /clr and only consists of a single cpp file with
#include <cliext/vector>
and nothing else, the compiler spews
1>------ Build started: Project: test1, Configuration: Debug x64 ------
1>Source.cpp
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\iterator(3331,1): error C2061: syntax error: identifier 'value_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\iterator(3352): message : see reference to class template instantiation 'cliext::BCL_reference<_Cont_t,_Is_ref>' being compiled
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\iterator(3332,1): error C2805: binary 'operator =' has too few parameters
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\iterator(3332,1): error C2333: 'cliext::BCL_reference<_Cont_t,_Is_ref>::operator =': error in function declaration; skipping function body
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\iterator(3340,1): error C2833: 'operator value_type' is not a recognized operator or type
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\iterator(3341,1): error C2334: unexpected token(s) preceding '{'; skipping apparent function body
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\iterator(3351,1): error C3646: '_Myval': unknown override specifier
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\iterator(3351,1): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(872,1): error C2833: 'operator _Mycont_it' is not a recognized operator or type
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1083): message : see reference to class template instantiation 'cliext::impl::vector_base<_Value_t,_Is_ref>' being compiled
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(872,1): error C2059: syntax error: 'newline'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(873,1): error C2334: unexpected token(s) preceding '{'; skipping apparent function body
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(878,1): error C2061: syntax error: identifier 'size_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(878,1): error C2535: 'cliext::impl::vector_base<_Value_t,_Is_ref>::vector_base(void)': member function already defined or declared
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(856): message : see declaration of 'cliext::impl::vector_base<_Value_t,_Is_ref>::vector_base'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(883,1): error C2061: syntax error: identifier 'size_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(883,1): error C2535: 'cliext::impl::vector_base<_Value_t,_Is_ref>::vector_base(void)': member function already defined or declared
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(856): message : see declaration of 'cliext::impl::vector_base<_Value_t,_Is_ref>::vector_base'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(894,1): error C2061: syntax error: identifier '_Myenum_it'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(894,1): error C2535: 'cliext::impl::vector_base<_Value_t,_Is_ref>::vector_base(void)': member function already defined or declared
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(856): message : see declaration of 'cliext::impl::vector_base<_Value_t,_Is_ref>::vector_base'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(946,1): error C2061: syntax error: identifier 'iterator'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(953,1): error C2061: syntax error: identifier 'size_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(960,1): error C2061: syntax error: identifier 'size_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(962,1): error C2535: 'void cliext::impl::vector_base<_Value_t,_Is_ref>::_Insert(void)': member function already defined or declared
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(953): message : see declaration of 'cliext::impl::vector_base<_Value_t,_Is_ref>::_Insert'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(971,1): error C2061: syntax error: identifier 'size_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(973,1): error C2535: 'void cliext::impl::vector_base<_Value_t,_Is_ref>::_Insert(void)': member function already defined or declared
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(953): message : see declaration of 'cliext::impl::vector_base<_Value_t,_Is_ref>::_Insert'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(991,1): error C3646: 'size_type': unknown override specifier
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(991,1): error C3646: 'Count_generic': unknown override specifier
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(992,3): error C2059: syntax error: '{'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(991,1): error C2334: unexpected token(s) preceding '{'; skipping apparent function body
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1010,1): error C2061: syntax error: identifier '_Myarray_t'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1026,1): error C2061: syntax error: identifier 'value_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1038,1): error C2061: syntax error: identifier 'value_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1048,1): error C2061: syntax error: identifier 'value_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1061,1): error C2061: syntax error: identifier 'value_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1072,1): error C2061: syntax error: identifier 'value_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1129,1): error C2061: syntax error: identifier 'size_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1149): message : see reference to class template instantiation 'cliext::impl::vector_select<_Value_t,_Is_ref>' being compiled
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1129,1): error C2535: 'cliext::impl::vector_select<_Value_t,_Is_ref>::vector_select(void)': member function already defined or declared
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1112): message : see declaration of 'cliext::impl::vector_select<_Value_t,_Is_ref>::vector_select'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1134,1): error C2061: syntax error: identifier 'size_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1134,1): error C2535: 'cliext::impl::vector_select<_Value_t,_Is_ref>::vector_select(void)': member function already defined or declared
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1112): message : see declaration of 'cliext::impl::vector_select<_Value_t,_Is_ref>::vector_select'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1145,1): error C2061: syntax error: identifier '_Myenum_it'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1145,1): error C2535: 'cliext::impl::vector_select<_Value_t,_Is_ref>::vector_select(void)': member function already defined or declared
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1112): message : see declaration of 'cliext::impl::vector_select<_Value_t,_Is_ref>::vector_select'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1194,1): error C2061: syntax error: identifier 'size_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1306): message : see reference to class template instantiation 'cliext::impl::vector_select<_Value_t,true>' being compiled
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1194,1): error C2535: 'cliext::impl::vector_select<_Value_t,true>::vector_select(void)': member function already defined or declared
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1177): message : see declaration of 'cliext::impl::vector_select<_Value_t,true>::vector_select'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1199,1): error C2061: syntax error: identifier 'size_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1199,1): error C2535: 'cliext::impl::vector_select<_Value_t,true>::vector_select(void)': member function already defined or declared
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1177): message : see declaration of 'cliext::impl::vector_select<_Value_t,true>::vector_select'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1210,1): error C2061: syntax error: identifier '_Myenum_it'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1210,1): error C2535: 'cliext::impl::vector_select<_Value_t,true>::vector_select(void)': member function already defined or declared
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1177): message : see declaration of 'cliext::impl::vector_select<_Value_t,true>::vector_select'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1216,1): error C2061: syntax error: identifier 'size_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1223,1): error C2061: syntax error: identifier 'size_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1224,1): error C2535: 'void cliext::impl::vector_select<_Value_t,true>::resize(void)': member function already defined or declared
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1216): message : see declaration of 'cliext::impl::vector_select<_Value_t,true>::resize'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1229,1): error C2061: syntax error: identifier 'size_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1234,1): error C3646: 'value_type': unknown override specifier
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1234,1): error C3646: 'default': unknown override specifier
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1234,29): error C2143: syntax error: missing ',' before '['
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1234,1): error C2334: unexpected token(s) preceding '{'; skipping apparent function body
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1245,1): error C2143: syntax error: missing ')' before ';'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1245,1): error C2059: syntax error: ')'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1245,1): error C2238: unexpected token(s) preceding ';'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1291,1): error C2061: syntax error: identifier 'size_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1296,1): error C3646: 'insert': unknown override specifier
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1296,17): error C2059: syntax error: '('
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1297,1): error C2334: unexpected token(s) preceding '{'; skipping apparent function body
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1301,1): error C2061: syntax error: identifier 'iterator'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1363,1): error C2061: syntax error: identifier 'size_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1395): message : see reference to class template instantiation 'cliext::vector<_Value_t>' being compiled
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1363,1): error C2535: 'cliext::vector<_Value_t>::vector(void)': member function already defined or declared
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1335): message : see declaration of 'cliext::vector<_Value_t>::vector'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1368,1): error C2061: syntax error: identifier 'size_type'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1368,1): error C2535: 'cliext::vector<_Value_t>::vector(void)': member function already defined or declared
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1335): message : see declaration of 'cliext::vector<_Value_t>::vector'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1379,1): error C2061: syntax error: identifier '_Myenum_it'
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1379,1): error C2535: 'cliext::vector<_Value_t>::vector(void)': member function already defined or declared
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Preview\VC\Tools\MSVC\14.24.28117\include\cliext\vector(1335): message : see declaration of 'cliext::vector<_Value_t>::vector'
1>Done building project "test1.vcxproj" -- FAILED.
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
This happens with VS2017, VS2019 and VS2019 preview, all newest versions. I'm so confused. This doesn't seem like a bug since it's rather old and proven headers and happens in different compilers.
edit: super duper complete code here (with project files): https://gist.github.com/s9w/a65bf50ed928bd0d6629c1d10b013463
edit: To help the people from the future with the same problem: It's the /permissive- switch (conformance mode) - doesn't play well with that header.
To help the people from the future with the same problem: It's the /permissive- switch (conformance mode) - doesn't play well with that header.

using swap with template argument conflicts with std::vector include

Today I came across a really strange behavior of the msvc2013 compiler.
After nearly an hour, I found the causing bug.
Minimal example:
#include <iostream>
#include <vector>
int main(int argc, char *argv[])
{
float f1, f2;
std::swap<float>(f1, f2);
return 0;
}
When including std::vector, I get a bunch of very strange compiler errors with msvc2013! When compiling the code with mingw the code compiles fine, just as I would expect.
The errors:
main.cpp
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\xlocale(341): warning C4530: C++ exception handler used, but unwind semantics are not enabled. Specify /EHsc
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\vector(1892): error C2825: '_Alloc': must be a class or namespace when followed by '::'
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\vector(1944): note: see reference to class template instantiation 'std::_Vb_iter_base<_Alloc>' being compiled
with
[
_Alloc=float
]
main.cpp(10): note: see reference to class template instantiation 'std::_Vb_reference<float>' being compiled
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\vector(1892): error C2510: '_Alloc': left of '::' must be a class/struct/union
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\vector(1892): error C2146: syntax error: missing '>' before identifier 'difference_type'
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\vector(1898): error C2825: '_Alloc': must be a class or namespace when followed by '::'
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\vector(1898): error C2510: '_Alloc': left of '::' must be a class/struct/union
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\vector(1898): error C3646: '_Sizet': unknown override specifier
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\vector(1898): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\vector(1906): error C2061: syntax error: identifier '_Sizet'
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\vector(1913): error C2061: syntax error: identifier '_Sizet'
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\vector(1920): error C2061: syntax error: identifier '_Sizet'
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\vector(1937): error C3646: '_Myoff': unknown override specifier
C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\INCLUDE\vector(1937): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
And yes - i do know this is now the msvc2015 compiler! I tested this one too, and these are the error messages from this compile
Is this a weird bug in msvc or why does and can this even happen?
This is a known issue in MSVC compilers. They argue that "calling swap() with explicit template arguments is not actually permitted by the Standard".

Migrating MFC app from Visual Studio 2012 to Visual Studio 2013

I'm trying to migrate a MFC project over from Visual Studio 2012 (where it's compiling fine) to Visual Studio 2013 and I'm getting a heap of undefined errors as per below.
These are all caused when pulling in the precompiled header - and I can only assume I'm including some of the MFC header files in the wrong order - anyone know what order they should be now?
The errors indicate that PGESTURECONFIG is defined in WinUser.h - but it doesn't like me including that anywhere before afxwin.h (it produces different errors if I do indicating "No Target Architecture")
This is what I believe is the relevant section is in the precompiled header currently:
#define VC_EXTRALEAN // Exclude rarely-used stuff from Windows headers
#include <afxwin.h> // MFC core and standard components
#include <afxext.h> // MFC extensions
#include <afxcmn.h> // MFC support for Windows 95 Common Controls
#include <afxcview.h> // MFC CTreeView, etc...
And this is the kind of errors I'm getting:
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2092): error C2146: syntax error : missing ';' before identifier 'm_pConfigs'
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2092): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2019): error C2065: 'GID_ZOOM' : undeclared identifier
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2019): error C2065: 'GC_ZOOM' : undeclared identifier
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2025): error C2065: 'GID_ROTATE' : undeclared identifier
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2025): error C2065: 'GC_ROTATE' : undeclared identifier
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2031): error C2065: 'GID_TWOFINGERTAP' : undeclared identifier
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2031): error C2065: 'GC_TWOFINGERTAP' : undeclared identifier
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2045): error C2065: 'GID_PAN' : undeclared identifier
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2045): error C2065: 'GC_PAN' : undeclared identifier
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2051): error C2065: 'GID_PAN' : undeclared identifier
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2051): error C2065: 'GC_PAN_WITH_SINGLE_FINGER_VERTICALLY' : undeclared identifier
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2057): error C2065: 'GID_PAN' : undeclared identifier
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2057): error C2065: 'GC_PAN_WITH_SINGLE_FINGER_HORIZONTALLY' : undeclared identifier
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2063): error C2065: 'GID_PAN' : undeclared identifier
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2063): error C2065: 'GC_PAN_WITH_GUTTER' : undeclared identifier
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2069): error C2065: 'GID_PAN' : undeclared identifier
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2069): error C2065: 'GC_PAN_WITH_INERTIA' : undeclared identifier
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2953): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2953): error C2146: syntax error : missing ';' before identifier 'GetCurrentGestureInfo'
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2954): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2956): warning C4183: 'GetCurrentGestureInfo': missing return type; assumed to be a member function returning 'int'
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2986): error C2061: syntax error : identifier 'PTOUCHINPUT'
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2996): error C2061: syntax error : identifier 'PTOUCHINPUT'
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(3009): error C2146: syntax error : missing ';' before identifier 'm_pCurrentGestureInfo'
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(3009): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
3>C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\atlmfc\include\afxwin.h(2955): error C2065: 'm_pCurrentGestureInfo' : undeclared identifier
Any advice appreciated.
I had exactly the same problem today after converting a Visual Studio 2010 project to Visual Studio 2013.
In my case, it turned out to be "hard coded" WINVER define injected via the project's C++ configuration properties (preprocessor definition section), where WINVER=0x500 was defined ages ago.
I solved it by setting Properties -> C/C++ Preprocessor Definitions to
NTDDI_VERSION= 0x06030000;WINVER=0x0A00;_WIN32_WINNT=0x0A00;%(PreprocessorDefinitions)
I have added these settings into stdafx.h file and it worked for me:
WINVER=0x601;
_WIN32_WINNT=0x601;
_WIN32_WINDOWS=0x601;
_WIN32_IE=0x601;

Error linking source file with static library C++

I'm trying to use the static library however when I add the reference and include directories to the project I get strange compiler errors, this including only any header file.
The static library project builds successful. I don't know where the error may be, but I suppose it may be in some file of the static library.
The static library files are the following:
header:
#ifndef UTIL_H_
#define UTIL_H_
#include <string>
#include <iostream>
#include <vector>
#include <stdlib.h>
namespace Kaczmarz {
class Util {
public:
Util();
static void split(std::vector<std::string> &tokens, const std::string &text, char sep);
static double random(int rangeMin,int rangeMax);
virtual ~Util();
};
}
#endif
cpp:
#include "Util.h"
namespace Kaczmarz {
Util::Util() {
// TODO Auto-generated constructor stub
}
void Util::split(std::vector<std::string> &tokens, const std::string &text, char sep) {
unsigned int start = 0, end = 0;
while ((end = text.find(sep, start)) != std::string::npos) {
tokens.push_back(text.substr(start, end - start));
start = end + 1;
}
tokens.push_back(text.substr(start));
}
double Util::random(int rangeMin,int rangeMax){
return (double) static_cast<double>( rand() ) * rangeMax / static_cast<double>( RAND_MAX ) + rangeMin;
}
Util::~Util() {
// TODO Auto-generated destructor stub
}
}
the file that tries to use the static library:
#include <iostream>
using namespace std;
//using namespace Kaczmarz;
int main(){
cout << "Started.." << endl;
return 0;
}
Note that I'm not calling yet any function from the library.
The errors that I got are the following:
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(21): error C2143: syntax error : missing ';' before '<'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(21): error C2433: 'basic_string' : 'inline' not permitted on data declarations
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(21): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(21): error C2988: unrecognizable template declaration/definition
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(21): error C2059: syntax error : '<'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(38): error C2143: syntax error : missing ';' before '{'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(38): error C2447: '{' : missing function header (old-style formal list?)
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(49): error C2143: syntax error : missing ';' before '<'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(49): error C2433: 'basic_string' : 'inline' not permitted on data declarations
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(49): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(49): error C2086: 'int std::basic_string' : redefinition
1> c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(21) : see declaration of 'std::basic_string'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(49): error C2988: unrecognizable template declaration/definition
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(49): error C2059: syntax error : '<'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(66): error C2143: syntax error : missing ';' before '{'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(66): error C2447: '{' : missing function header (old-style formal list?)
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(77): error C2143: syntax error : missing ';' before '<'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(77): error C2433: 'basic_string' : 'inline' not permitted on data declarations
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(77): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(77): error C2086: 'int std::basic_string' : redefinition
1> c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(21) : see declaration of 'std::basic_string'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(77): error C2988: unrecognizable template declaration/definition
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(77): error C2059: syntax error : '<'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(94): error C2143: syntax error : missing ';' before '{'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(94): error C2447: '{' : missing function header (old-style formal list?)
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(101): error C2143: syntax error : missing ';' before '<'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(101): error C2433: 'basic_string' : 'inline' not permitted on data declarations
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(101): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(101): error C2086: 'int std::basic_string' : redefinition
1> c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(21) : see declaration of 'std::basic_string'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(101): error C2988: unrecognizable template declaration/definition
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(101): error C2059: syntax error : '<'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(114): error C2143: syntax error : missing ';' before '{'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(114): error C2447: '{' : missing function header (old-style formal list?)
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(125): error C2143: syntax error : missing ';' before '<'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(125): error C2433: 'basic_string' : 'inline' not permitted on data declarations
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(125): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(125): error C2086: 'int std::basic_string' : redefinition
1> c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(21) : see declaration of 'std::basic_string'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(125): error C2988: unrecognizable template declaration/definition
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(125): error C2059: syntax error : '<'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(138): error C2143: syntax error : missing ';' before '{'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(138): error C2447: '{' : missing function header (old-style formal list?)
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(145): error C2143: syntax error : missing ';' before '<'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(145): error C2433: 'basic_string' : 'inline' not permitted on data declarations
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(145): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(145): error C2086: 'int std::basic_string' : redefinition
1> c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(21) : see declaration of 'std::basic_string'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(145): error C2988: unrecognizable template declaration/definition
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(145): error C2059: syntax error : '<'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(158): error C2143: syntax error : missing ';' before '{'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(158): error C2447: '{' : missing function header (old-style formal list?)
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(166): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(166): error C2143: syntax error : missing ',' before '<'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(170): error C2803: 'operator ==' must have at least one formal parameter of class type
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(170): error C2805: binary 'operator ==' has too few parameters
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(177): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(177): error C2143: syntax error : missing ',' before '<'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(180): error C2803: 'operator ==' must have at least one formal parameter of class type
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(186): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(186): error C2143: syntax error : missing ',' before '<'
1>c:\program files (x86)\microsoft visual studio 11.0\vc\include\string(190): fatal error C1903: unable to recover from previous error(s); stopping compilation
Note that the errors mention the std string class.
Since it's Christmas time and I see that you're using MSVS, here are steps that I did to try your library:
Step 1: I have created new solution called XmasTest with new Win32 project in it called XmasLib.
Step 2: I have added your source files in that project, just a simple example-appropriate modification. I have even let that evil using namespace std; line in the header file.
Util.h
#ifndef UTIL_H_
#define UTIL_H_
#include <string>
#include <iostream>
#include <vector>
#include <stdlib.h>
using namespace std;
namespace Kaczmarz {
class Util {
public:
Util();
static void print();
virtual ~Util();
};
} /* namespace Kaczmarz */
#endif
Util.cpp
#include "Util.h"
using namespace std;
namespace Kaczmarz {
Util::Util() {
// TODO Auto-generated constructor stub
}
void Util::print() {
cout << "Util::print() works! yay!" << endl;
}
Util::~Util() {
}
} /* namespace Kaczmarz */
Step 3: I have created new Win32 Console application called XmasLibTestApp with following code in it:
#include <iostream>
#include "../XmasLib/Util.h"
using namespace std;
using namespace Kaczmarz;
int main(){
Util u;
u.print();
return 0;
}
Step 4: Since these are 2 projects within 1 solution, I have handled the dependency in the following way:
Linker->General->Additional Library Directories: $(OutDir)
Linker->Input->Additional Dependencies: XmasLib.lib
Solution Properties->ProjectDependencies: App depends on lib
Step 5: Build Solution and run app. Output: Util::print() works! yay!
And that's it. End of the story, everything works, developer rejoices with his IDE.
Happy Xmas! :D
PS: Questions that are worth to have a look at:
Why is "using namespace std" considered bad practice?
What requires me to declare "using namespace std;"?
where to put using namespace std;
Ok found the cause of this compiling errors.
In the "additional include directories" (vs 2012) I had another .cpp/.h files which imported "Util" class.
I just removed this files from the directory and this time it compiled good without any errors. Note that this files weren't present in the project (I had excluded them), however seems that "additional include directories" linked them somehow in the project.
Thanks to all who have answered, I really appreciate it.