Questions tagged [clang]
The clang tag has no usage guidance.
40
questions
23
votes
3
answers
4k
views
Why does clang generate unintelligible text when redirected?
I am trying to save the output of a command to a file. The command is:
clang -Xclang -ast-dump -fsyntax-only main.cpp > output.txt
However the resulting output.txt file when opened (by gedit and ...
- 347
11
votes
2
answers
8k
views
How to install clangd (not clang) on mac os
I installed xcode, llvm, brew, and I have clang on my system but not clangd ..., I googled around and only find how install clang not clangd.
I tried brew install clangd but not found clangd. I even ...
- 637
9
votes
2
answers
10k
views
Which binary clang version I should use for CentOS
Based on
http://llvm.org/releases/download.html
Clang Binaries for FreeBSD9/x86_64 (69M)(.sig)
Clang Binaries for Ubuntu-12.04/x86 (67M)(.sig)
Clang Binaries for Ubuntu-12.04/x86_64 (71M)(.sig) ...
- 966
8
votes
5
answers
24k
views
How to install clang-format on MinGW (Windows)?
I tried searching with pacman -Ss for clang-format, git-clang-format, etc, but I'm not having any luck.
However, I have seen some references to it on some other websites, implying it may exist (or ...
- 265
8
votes
0
answers
1k
views
Change compile flags for Homebrew
We're building a large C++ application on OS X Yosemite 10.10. This application relies on a number of third-party libraries which we install using Homebrew prior to building our application. Our ...
- 117
6
votes
1
answer
7k
views
How do I install Clang 4.0 on Ubuntu 14.04?
I need to install Clang 4.0 and Clang++ 4.0 on my Ubuntu 14.04 box. The most recent version I can find in the apt-get package list is 3.5. How do I install 4.0?
- 321
4
votes
1
answer
4k
views
Install a deleted homebrew formulae
Recently, homebrew decided to remove clang-omp from the list of formulae available to install from. Is there any way to retrieve it? Or would I have to download and build clang-omp bit manually?
- 171
3
votes
1
answer
5k
views
install LLVM 9 wiht WSL Ubuntu
I am trying to install the last stable version with the script in the page:
https://apt.llvm.org/
However I have the following error:
Reading package lists... Done
+ apt-get install -y clang-9 lldb-...
- 131
3
votes
1
answer
291
views
Does a better/newer C or C++ compiler produce more performant compiled code? Or do they just perform faster/better while compiling?
I am not a C or C++ programmer myself, but I often use software that needs to be compiled or otherwise depends on a compiler, like some R packages.
Will that software actually perform better if I use ...
- 386
3
votes
2
answers
2k
views
Clang can't locate Homebrew-installed libportaudio
I installed libportaudio using Homebrew on OS X. The install succeeded and I verified there were symlinks to the actual headers and libraries in /usr/local/include and /usr/local/lib.
However, I am ...
- 173
2
votes
1
answer
3k
views
cmath compilation errors with clang-10 on Mac OS Catalina
I recently installed llvm via brew with brew install llvm, in order to use clang with OpenMP, on Mac OS 10.15.4 Catalina
$ which clang
/usr/local/opt/llvm/bin/clang
$ clang -v
clang version 10.0.0
...
- 123
2
votes
1
answer
565
views
cmake error encountered when build clang-query
I encountered the following error when I was trying to build clang-query.
parallels@ubuntu18:~/myllvm/llvm/tools/clang/tools/extra/clang-query$ cmake .
-- The C compiler identification is GNU 7.3.0
--...
- 21
2
votes
1
answer
2k
views
Are clang and llvm no longer maintained in cygwin?
I cannot find binaries for clang or llvm using cygwin's setup.exe. Are they no longer maintained?
- 121
2
votes
0
answers
348
views
Custom-defined type highlighting in Sublime Text
I am looking for a configuration/combination of plugins + clang (or any other parser) that can allow sublime text to highlight all custom defined types just like it highlights native types such as int,...
- 408
1
vote
1
answer
402
views
Cannot Build Swift on FreeBSD - REPL error
I am attempting to install Swift 3 on FreeBSD 10.2 using the official build script but am unable to do so.
I am receiving the following error:
fatal error: too many errors emitted, stopping now [-...
- 113
1
vote
1
answer
118
views
clang (even with no args) takes 0.7 seconds to execute
$ time nonexistent-command
zsh: command not found: nonexistent-command
nonexistent-command 0.00s user 0.00s system 0% cpu 0.425 total
$ time clang
clang: error: no input files
clang 0.01s user 0.68s ...
- 121
1
vote
1
answer
575
views
QT android make returns cannot find -lc++
I'm on Pop!_OS (ubuntu based distro) running Qt creator 4.9.2 with Qt 5.13.0 and am currently trying to build an app for android. When I try to build my app for desktop I have no error, but when I try ...
- 21
1
vote
0
answers
147
views
How to get the list of vendor/CPU/FPU/ABI/etc. from LLVM CL, and their meaningI?
I got all the "architectures" using this:
llc --version
It lists the architectures.
Then for each architecture, you can get the CPUs and "features" (not sure what "features&...
- 387
1
vote
0
answers
786
views
Clang disable Case Sensitive header file inclusion
In Linux when invoking clang compiler with clang++ with Command for the code,
main.cpp:
#include "Sample.h"
int main() {
return 0;
}
include/sample.h
# HEADER FILE IMPLEMENTATION ...
- 119
1
vote
0
answers
229
views
OpenMP with Clang in Visual Studio
I am trying to get access to version 4.0 of OpenMP. In order to do that I used the Visual Studio installer to get Clang, which is supposed to have support for OpenMP. However, when I try to build my ...
- 11
1
vote
0
answers
779
views
clang on cygwin fails to produce executable from C++ source
I'm trying to use clang on cygwin to compile C++ files but the executable it produces fails to run. I get runtime failures from cygwin:
Cygwin runtime failure: a.exe: Invalid relocation. Offset ...
- 11
1
vote
1
answer
1k
views
How can I install python3-clang on Linux Mint 18.04?
I have a vim plugin called CLighter8 that requires the package python3-clang, but unfortnuately I can't find it in the default repository nor any other repository. So I can't really find a way to ...
- 413
1
vote
0
answers
219
views
What does "selecting 'python-clang-3.8' for regex 'clang-3.8'" mean?
I'm working on a Raspberry Pi 3. The device uses Raspbian, which is Debian derivative. I'm trying to install Clang 3.8 because Clang 3.7 appears to lack proper sanitizer support.
When I run the ...
- 12.2k
1
vote
1
answer
2k
views
How to update the Clang compiler from version 3.1 to version 3.4 in Debian Linux?
It is as what the question is saying, I am new on Linux. I need the Clang++ compiler update to version 3.4 for the assignment that I need to do. I simply just typed in Terminal
sudo apt-get install ...
- 11
1
vote
0
answers
153
views
Sublime TextEditor 2 in Vintage mode completion
I have several problem with my autocompletion which I want to fix:
I have completion by Space. I want that when I press Space means I don't want completion I want a space symbol now.
I want to choose ...
- 378
0
votes
1
answer
1k
views
If you have to use the `-llibary` option in clang
Wondering if you have to use the -llib option in clang. For instance:
clang -lasdf foo.c -o foo.o
will link library /usr/local/lib/libasdf.dylib to foo.c, but wondering if there is any way to not ...
- 387
0
votes
0
answers
31
views
Need Clang version at least 16
I am tried to compile the Apache Doris on macOS 13.3.1 follow by this document: https://doris.apache.org/docs/install/source-install/compilation-mac/. When I run the bash build.sh command, shows error ...
- 197
0
votes
0
answers
208
views
How can I determine the compiler which processes a header file?
I want to compile a C/C++ project in an Ubuntu environment. My problem is that at some point it encounters a header file where __stdc_version__ is not defined and since both -Werror and -Wundef are ...
- 101
0
votes
0
answers
388
views
Where to find/how to install libclang-*.so.1 on CentOS?
I am trying to find a library of libclang-*.so.1 on centOS, but didn't find it anywhere. I have already installed clang. Any suggestions are welcome.
- 143
0
votes
0
answers
472
views
Questions on ungoogled-chromium compile time
I started the ungoogled-chromium install from the aur last night, went to bed, and woke up and it's still only about 3/4 of the way complete. I was expecting it to take awhile, but I did not think it ...
- 125
0
votes
1
answer
87
views
Linker Issue(s) with Compilation Configuration Settings on Catalina for Building Octave
I am getting linker errors building Octave on OS X 10.15.7 with clang++.
E.g.
"bsxfun_add(intNDArray<octave_int > const&, intNDArray<octave_int > const&)", referenced ...
- 129
0
votes
1
answer
3k
views
What version of Clang does Visual Studio 2019 16.1.3 come with?
I've been trying to find out so I can determine what clang-format options are supported or not.
However, I cannot find the clang executable anywhere, it is not in the same location in the Community ...
- 265
0
votes
0
answers
267
views
Which shell do VS Code extensions use?
here,I got the problem that the same command run in the Windows CMD as run by the clang-tidy extension works for CMD but not in VS Code. Therefore I ask myself if (and if yes, which) another type of ...
- 173
0
votes
1
answer
4k
views
The C compiler "/usr/bin/clang" is not able to compile a simple test program
Why does my C compiler (Clang) fail to compile a simple test program when opening a CMake project in CLion?
I'm trying to setup CLion to run with CMake, Ninja, Clang and Clang++.
To test it I tried ...
0
votes
0
answers
147
views
How do I install Clang 4.0 or above on Ubuntu 16.04 LTS?
I need to install Clang 3.4 and above on Ubuntu 16.04 LTS, as a prerequisite to this Package that I need to use.
Not sure should if I go for the latest Clang version, and if yes, how can I do it for ...
- 103
0
votes
1
answer
519
views
clang: error: no such file or directory: '_REENTRANT'
I am trying to install UDUNITS-2 package for the graphical visual browser: ncview.
Can anyone help me understand the following error message:
clang: error: no such file or directory: '_REENTRANT'
A ...
- 151
0
votes
1
answer
2k
views
Doxygen cannot find the shared library(s) 'libclang.so.6: version `LLVM_6.0'' which it requires to run
I installed doxygen from the binary distribution for Linux x86-64. I'm running Ubuntu 17.10. The installation went smoothly.
When I try to run doxygen, it shows the following error:
doxygen: error ...
- 3
0
votes
1
answer
606
views
Unknown option -pthread in LD
This is a follow up from this issue on Github.
Basically, on OS X El Capitan, I get this message:
ld: unknown option: -pthread
clang: error: linker command failed with exit code 1 (use -v to see ...
- 113
0
votes
0
answers
754
views
Installing Homebrew on OSX 10.9
I am trying to install Homebrew with this commands:
ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"
# Add Homebrews binary path to the front of the $PATH
echo 'export ...
- 113
-1
votes
1
answer
203
views
Conditional statements with braces versus without braces - which is fast in C, C++ [closed]
I know this is silly, but I'm quite curious to know that is there any speed difference using conditional statement (i.e. for, if, while, do while) in C++ with braces and without braces.
FYI : I know ...
- 111