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Questions tagged [msvc14]

24 questions
8
votes
1 answer

std::vector::insert() stopped working when migrating from MSVC 2013 (C++11) to MSVC 2019 (C++17)

I currently am migrating a large code base from Visual Studio 2013 (v120) C++11 to Visual Studio 2019 (v142) C++17 and now, my tests fail in strange places - I get index out of bounds crashes and other strange changes in behavior. Upon digging I…
PhilLab
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8
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1 answer

Is the 16-bit math in this program invoking undefined behavior?

The other day I upgraded my Windows build environment from MSVC2013 to MSVC2017, and lo and behold, a function in my program that had been working fine for years (and still works fine under g++/clang) suddenly started giving incorrect results when…
Jeremy Friesner
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4
votes
1 answer

C++ "undefine" module keyword in include

I'd like to use C++20 modules in visual studio, but one of my projects uses Magick++ which defines a struct with a member char* named "module" in "magick++.h": typedef struct _MagickInfo { char *name, *description, *version, …
Daniël van den Berg
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3
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since boost 1.74: compile errors building code using boost-asio with intel-18.0-vc14

I built boost 1.74 with Intel c++ 2018 (update 2) with VS 2015 (the intel-18.0-vc14 toolset) in release x64 when I try to build code that uses ASIO with the intel c++ compiler with VS2015 integration, I get loads of compile errors. when I try to…
dyoll
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2
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1 answer

When is the scope of a function called from a C++ function template determined? (MSVC)

Given the following test code: void Serialize(std::ostream& os, int& i) { os << "int: " << i << '\n'; } template void Write(std::ostream& os, T* pData) { ::Serialize(os, *pData); } struct SData { int i = 42; }; void…
cue
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2
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0 answers

Increase compiler stack size of MSVC

I am testing a code that is using a large number of variables and some __forceinline functions. As a result, I am getting the following compilation error: Fatal error C1063: compiler limit: compiler stack overflow This makes perfect sense as the…
Arif
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2
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0 answers

Porting issue in visual studio 2015 - _flag is not a member of _iobuf

I am porting existing VC12 compiler compatible code to VC14 (visual studio 2015) and I am facing code break problem. Sample program to reproduce issue: #include "iostream" using namespace std; #define mybuffer(param) ((param)->_flag &…
Jatin
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1
vote
2 answers

Some problem about inline function in VS2019

I'm doing some (maybe exotic) experiments about C++ inline functions in VS2019: source1: #include "pch.h" inline int inline_func(int i) { return i; } void testinline1() { inline_func(0); } source2: #include "pch.h" inline int…
jw_
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vote
0 answers

How to set up MSVC++ 14.0 build tools for python copperhead?

I'd like to use python copperhead for CUDA C++ prototyping, which requires MSVC++14, and I want to make copperhead work first without CUDA. I've installed Microsoft Build Tools 2015 and tried to generate the hello world example from…
Gugyin Adrián
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0
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1 answer

What does "vc14_vc15" mean in opencv-4.6.0-vc14_vc15.exe?

I'm trying to download a windows pre-built binary of Opencv, and from https://sourceforge.net/projects/opencvlibrary/files/4.6.0/ I see a file named opencv-4.6.0-vc14_vc15.exe. What does vc14_vc15 mean here? vc14 I guess it's VS2015, then vc15 is…
Felix F Xu
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0 answers

Visual Studio 2022 Solution Upgraded from Visual Studio 2013 Fails to Set Telemetry Environment Variables

I recently upgraded a Visual Studio 2013 Solution with C++ Libraries in it to Visual Studio 2022. Everything went great except there were three major environment variables not set. The error: Error MSB4044 The "SetEnv" task was not given a value…
Steve
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Microsoft Visual C++ 14.0 or greater is required for python 3.9?

I got this error for PyAudio; I installed vscode,visualstudio; still it gives the error
Rajan Bhatt
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0
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0 answers

How do I prevent the MSVC compiler from replacing const with immediate value

I am trying to make the following contrived example work. In the code below, I declare a const global variable and attempt to modify it by first using VirtualProtect to make the address writable. #include #include "windows.h" int const…
user1720897
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0
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1 answer

Same class, 2 programs, different OpenMP speedups; MSVC2017

I have a C++ class, several of whose functions have OpenMP parallel for loops. I'm building it into two apps with MSVC2017, and find that one of those functions runs differently in the 2 apps. The function has two separate parallel for loops. In…
Thomas Sharpless
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1 answer

Buildbot installation requires msvc14

I've been trying the BuildBot First Run tutorial. It starts by creating a master and looks quite simple and straightforward, but I've encountered problems with the step pip install 'buildbot[bundle]'. I get this error message (this is the end of the…
ecstrema
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