All Questions
13,473
questions
2
votes
2
answers
91
views
C++ Compile-Time Class With std::vector Member Variable and Use It's Data at Run-Time [duplicate]
I am trying to make a writer class, which would be used to turn data into a binary stream, at compile-time using a std::vector, and then converting it to std::array to be used at runtime. eg:
#include ...
- 41
0
votes
1
answer
31
views
Tensorflow 2.17.0 build failed with bazel linux
I download the source code of tensorflow-2.17.0 from github, then i run 'configure' and build with bazel-6.5.0 successfully,
> bazel build //tensorflow/core:tensorflow
then i create a folder 'test'...
- 29
0
votes
0
answers
14
views
How to use gcc compiler on Github windows runners when using scikit-build-core [duplicate]
I'm using scikit-build-core to build my c++ program on github windows runners. I would like to use gcc instead of microsoft visual studio as the compiler. Below is how I configure compiler settings in ...
- 537
0
votes
1
answer
80
views
why huge local variable array doesnt cause segment fault
#include<iostream>
using namespace std;
int main()
{
char arr[40960];
for(auto i =0;i<40960;++i)
arr[i]='c';
std::cout<<sizeof(arr)<<std::endl;
...
- 47
1
vote
1
answer
70
views
gcc and clang disagree on using alias templates as template template argument [duplicate]
The code below compiles using gcc 14.1.1 but clang 18.1.8 doesn't accept it. Which one is right and is there any workaround?
template <template <typename...> class T>
struct s {
...
- 424
1
vote
1
answer
50
views
Setup libstdc++ for a given gcc version
New to Linux here.
Already had gcc 11 and 12 on my ubuntu but compiled gcc-14 using following command:
./configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --...
- 447
0
votes
0
answers
59
views
How to locate the file that defines specific symbol through #define in C++?
For example, I want to locate the header file that defines _WIN32_WINNT, how can I do? I tried g++ -E but it does not work.
Note that there may be multiple definitions of the same symbol. I want to ...
- 935
0
votes
0
answers
32
views
Need to convert a Visual studio C++ project to a Cmake [duplicate]
I have a c++ code repo it has almost 68 projects within it. It was initially created using MSVC. I need to build that same project with gcc using cmake. Is there a way to convert that to a CMAKE ...
- 2,126
-2
votes
0
answers
48
views
growisofs - How do I fix the errors returned by attempting to compile it in cygwin? [closed]
Context: I'm attempting to build growisofs from its source code (version 7.1) using the following command in the Cygwin terminal: make TARGET_ARCH=-m64, but it gives me several errors when I attempt ...
1
vote
1
answer
79
views
Why do I get a "for declaration does not refer into a class, class template or class template partial specialization" on Clang and not GCC [duplicate]
I currently have this block of code which does not throw a compiler error on GCC, but throws this compiler error on clang:
error: nested name specifier 'MyEnum::' for declaration does not refer into ...
- 1,080
1
vote
0
answers
18
views
Select specific version present in ld version script
Consider the setup present in this question:
GNU LD symbol versioning & C++ binary backwards-compatibility
Consider the version script. Is it possible to explicitly tell ld to limit the exposed ...
- 309
3
votes
2
answers
109
views
GCC 14 "possibly dangling reference to a temporary" warning or not, depending on the function argument
In the following C++ code GCC 14 with -Wall -Wextra flags produces a possibly dangling reference warning for function g(), but not f(). Why?
/* getval.h */
#include <string>
std::string const &...
- 75
1
vote
2
answers
111
views
Why exception can not be caught on windows by msvc but on Linux by GCC [duplicate]
The same files on Windows and Linux as follow:
std_exp.cpp
#include <iostream>
#include <string>
#include <stdexcept>
using namespace std;
int main() {
try {
std::...
0
votes
0
answers
40
views
running ./configure returns error: Cannot link with libtool libs! (libltdl)
I am attempting to compile an older program on a new system. I've done this a few times with this same software and I have always been able to find some way to get it to work but this time I am ...
- 329
0
votes
0
answers
33
views
Linker problem while retargeting newlib with static library [duplicate]
I use a Gnu Arm toolchain with GCC v12.3.
I want to do some retargeting on my stm32. For this, I have a file stdlib_override.cpp:
#include <cerrno>
#include <sys/stat.h>
#include <sys/...
- 618