Error in VSCode for Windows using Linux header - c

I'm using VS Code on Windows 10 and have written some C code. In the code, I need to use the sys/wait.h header. Since that is a Linux-specific header, I need to compile and run with WSL2 using Ubuntu as a subsystem.
The code compiles and works with WSL but VS Code gives me the following error:
#include errors detected. Please update your includePath.
My guess is it's because my current includePath points to GCC on my Windows machine and not to WSL, which is why it can't find this header. Is there a way for me to also include the headers found in WSL Ubuntu or do I have to live with this annoying error?

To use the WSL/Linux gcc and Linux headers/libraries from within VSCode::
Install either the "WSL - Remote" extension or the "Remote Development" extension pack in VSCode.
Either:
From within WSL, cd to your project directory and then start VSCode with code ..
Start VSCode from Windows and click the "Open a Remote Window" button at the bottom left of the screen. It looks like a > < stacked together. Then select "Open Folder in WSL ...". This is also available from the Command Palette (Shift+Ctrl+P) with "Remote WSL - Open Folder in WSL ..."

Related

Windows VSCode C "cannot open source file" from WSL GCC

Currently using VSCode on Windows for development, including C files. However, including unix header files (like <unistd.h>) results in VSCode thinking that there is an error. The current compiler path is "C:/Program Files (x86)/Microsoft Visual Studio/2019/BuildTools/VC/Tools/MSVC/14.29.30133/bin/Hostx64/x64/cl.exe" but there is a working GCC installed in WSL which is the main compiler I want to use.
Using wsl gcc to compile files works and the files run normally. There is an option for "Compiler path" and "Include path" in the Microsoft C/C++ Extension, but WSL paths (such as "\wsl.localhost", "//wsl$/Ubuntu/", "/usr/local" etc.) are not recognised by either option. Opening another VSCode window in WSL remote mode works, but doing that just for C files specifically is very slow. Is there a way to specify a configuration for non WSL VSCode windows to use the WSL GCC compiler for C code analysis?
The most important thing to do is set the compiler path.If you do that, you won't need to manually set the system to include paths and defines.
VS Code Website

Codelite not running C programs

Everytime I try to build and run a program, including the standard 'Hello world!' nothing happens, I get:
==== Program exited with exit code: 0 ====
Time elapsed: 000:00.000 (MM:SS.MS)
Press any key to continue...
At the bottom it says:
'ming32-make' is not recognized as an internal or external command, operable prgram or batch file.
I have Codelite version 16 on Windows 10. I also have MinGW installed to C: and have edited the Environment variables to include C:\MinGW\bin
However, in command prompt gcc --version shows me the gcc version in C:\Users\me> and not C:\MinGW
I don't know if this is relevant or not.
All the other results seem to suggest a compiler not found problem, but this does not seem to be my case. Thanks in advance.
This is what I have installed at the moment. Can I get 'make'from one of the other files?
The Installed files
Looks like you either don't have ming32-make.exe or it can't be found.
Also I notice you still use old MinGW. I would recommend switching to newer MinGW-w64 (which supports both Windows 32-bit and 64-bit).
The standalone build from https://winlibs.com/ does include ming32-make.exe, and since you can just unzip it (no installation needed) you can try it without removing the old MinGW. Just make sure you don't have anything in your PATH variable to avoid running programs from the wrong location.
ming32-make.exe is either not installed or can't be found on your Environment variable PATH.
No, there is no mingw32-make in that bin folder. When I used the Installer originally I only selected: mingw32-gcc-g++-bin although there were other bin files. Where can I get it?
mingw32-make is outdated.
See How to compile makefile using MinGW?
If you are having problems with mingw, I would recommend using MSYS2 or a package manager like Chocolatey.
Just get rid of the previous installation first. Not mandatory but prevents confusion and storage drain due to multiple copies of mingw.
To install MinGw using chocolatey, run cmd as admin and use
choco install mingw
For make
choco install make
What worked for me was also installing mingw32-base-bin from the Installer (see second option in image in the original question).
The installation tutorial I was following did not mention installing this.
I've decided to leave this here as an answer in case someone else runs into a similar problem.
MSYS is a good option for compilers in recent CodeLite or VS-Code installation. https://www.msys2.org/.
Once you downloaded the compiler using the following steps from the installer but still have the problem with the make then follow these steps:
Reopen the MSYS2 terminal from your windows if that is previously installed.
Run the command pacman -S --needed base-devel mingw-w64-x86_64-toolchain
You will be asked to select the option from the list. You should select the option which refers to mingw-w64-x86_64-make.
Once the installation is successfully done, then open CodeLite settings->Buid Settings and check your Make file location. If that is empty or showing an unknown location then click the three dots at the very right of that box. The browse and navigate to location or where you installed the make by pacman. In my case it is C:/msys64/usr/bin/make.exe.
Click Apply and Save.
Now it might be needed to create a fresh workspace and re-run your code.

Clion unable to find project executable when using valgrind with CLion on windows

I'm trying to use valgrind with clion in my windows machine. I've gone through the steps of setting up WSL and valgrind on windows.
Although when I try to 'run with valgrind memcheck' in my 'UnixAssembler' project I get the following error:
Error running 'UnixAssembler': File not found: /cygdrive/c/Users/natan/Desktop/UnixAssembler/cmake-build-debug/UnixAssembler.exe
The actual exe is located in c/Users/natan/Desktop/UnixAssembler/cmake-build-debug/UnixAssembler.exe, so I don't know why It's looking in this cygdrive folder.
I'm not sure what to try from here onwards. Any ideas?
Solved:
- Go to File -> Settings -> Build, Execution, Deployment
- Remove any Toolchains other than WSL (making WSL the default will probably work as well)
- Profit

New to C: Compiling in Visual Studio Code... error: gcc not recognized?

I am very new to coding (trying to teach myself C). I have some experience with MatLab, but I understand it is very different from C. I have Windows 10 with the newest version of Visual Studio Code (VSC) with the Run Code Extension and git extension (not sure what git does, but VSC prompted me to install). I am now familiar with the text editor, but do not know how to compile/run my code (apologies if I'm butchering the terminology, again, a newby). One friend recommended I determine the location in which the desired text file is located, type "gcc filename.c", enter, type "./a.out", and then the program should run. (Said friend has a Mac and I supposed the execution commands are different?) Regardless, I encountered "Run Code" extension on my google adventures and follow the steps I've seen online, but I am still getting the error pictured.
I can see how this would be an especially basic question, but if anyone can offer assistance/advice, I would be extremely grateful!
Thanks, All.
Sandy
P.S. In case the image doesn't load/work for whatever reason, this is the error:
"'gcc' is not recognized as an internal or external command,
operable program or batch file."
Works perfect in Visual Code. You need the following:
C/C++ extension in Visual Code.
msys64 installed in C:\
Add path to msys64 bin folder in environment variable
Instructions:
https://marketplace.visualstudio.com/items?itemName=ms-vscode.cpptools
Important the msys64 path doesn't contain spaces so don't install it in Program Files.
You can search "Edit system environment variables" from the windows button, press button Environment Variables, and then add it as a System variable "Path". For me its located in
C:\msys64\mingw64\bin
Hey,,,
It will work for you I believe
Blockquote
First: open the link: https://www.msys2.org/
Go to the installation and download the installer .. install the exe file.
search mingw in windows search(windows start)
there is an app named--> MSYS2 MinGW {64/32}-bit
run it as administrator
Found command shell ---> type: pacman -Syu
Will ask you for some installation click on Y
Then again go to the same app MSYS2 MinGW {64/32}-bit and run as admin
and write--> pacman -Ss gcc (in shell that opend after click)
after clicking there will be bunch of things and now you have to care about your windows arch.. if it is 64 bit then write---> pacman -S mingw-w64-x86_64-gcc (and if its 32 you will find something like that where 64 will replaced by 32 in bunch of commands that are showing in your shell)
after executing this command gcc will be installed in your system to check write: gcc --version || g++ --version
After that to install the debugger write pacman -S mingw-w64-x86_64-gdb
to check write: gdb --version
**Every thing got installed in your system now find the mingW file or mysys2 file on C drive(whereever you r mingW file got saved) go the the minGW 64 || 32 accroding to your operating system there is a bin folder click on that and copy the path inside the bin folder and save it in environment variables path **
Blockquote
Enjoy vs code
My recommendation
You are on Windows right? So you can just install Visual Studio IDE (follow this tutorial). Which is better than vs code. This tutorial is for C++ but it works for C as well. Because C++ uses the same compiler as C but with some more things(simple explanation).
The solution for your problem
You are getting the massage 'gcc' is not recognized as an internal or external command, operable program or batch file because you do not have the gcc compiler installed on your computer. But if you want to install it, you can follow this tutorial. But I highly recommend you use Visual Studio IDE which I mentioned above.
Type gcc --version in the command prompt to check whether the C compiler is installed in your machine.
If it is installed then try adding gcc to the environment variables using this link:
https://www.youtube.com/watch?v=qLh84CmdBJ0
If it is not installed then install it using instructions using this link:
https://www.guru99.com/c-gcc-install.html
and then add it to the environment variables using the link above.
If it is installed and not recognized by VSCode then try to run VSCode from CMD by typing code in CMD.

Eclipse C/C++ project on Bash on Ubuntu on Windows

I've installed Eclipse Neon (v4.6). Also, I have "Bash on Ubuntu on Windows" (Sept '16). I installed gcc and gdb for compiling and debugging in C. I tested them on terminal and they're running.
I'm trying to use Eclipse to create a new C project but in the compiler selection stage it doesnt give me the option to use the "Bash on Ubuntu on Windows" compiler.
Is there any way to solve my problem?
Because Bash/WSL is pretty new and the ability to correctly invoke Linux commands from outside Bash (using bash.exe -c ...) is not well understood by many dev tools (yet), you may have to do some work to define custom tasks/actions to call the necessary bash.exe -c "gcc ..." commands that you want to invoke.
However, you should absolutely be able to write/configure a makefile (or, perhaps even better, a CMake file) which can switch paths to lib/include/tools/etc. based on environment and then build smoothly on Windows or in Linux.
This very scenario has sparked an idea for a cool blog post that I'll work on and publish to our blog https://blogs.msdn.microsoft.com/commandline in the next week or two :)
HTH.
I think the best way to use the wsl for programming in C/C++ is like Microsoft does it. Visual Studio use ssh to connect to linux environment for "C++ for Linux Development".
So, in our case we can set up openssh server on wsl, connect to localhost from your IDE and start remote project.
Eclipse and NetBeans supports remote projects.
Clions I think not.
Here are Microsoft's instruction on how to configure Visual Studio
and wsl:
https://blogs.msdn.microsoft.com/vcblog/2017/02/08/targeting-windows-subsystem-for-linux-from-visual-studio/
May 2017
We use Eclipse and a makefile project. I configured Eclipse by adding an "external builder" - and use the following script:
-c "cd `echo '${project_loc}' | sed -e 's/C:/\/mnt\/c/g' -e 's/\\\\/\//g'` && make -f path_to_makefile/makefile
The "cd" and sed trick is to convert from Eclipse "C:\" to Windows Subsystem for Linux "/mnt/c/" and replace "\" with "/"
Make now executes in the project location as defined by ${project_loc}
I still have not figured out how to execute gdb on Linux. But at least compile+link (and execute unit tests as defined in my makefile) is now leveraging the full speed of the native Ubuntu toolchain...
I have some better way...
You can add new user terminal and give "Ubuntu.exe" location in eclipse under Local terminal setup as shown in screen shot.
in my case directory is ...
C:\Users\MyuserName\AppData\Local\Microsoft\WindowsApps\CanonicalGroupLimited.Ubuntu16.04onWindows_79rhkp1fndgsc
if eclipse not able to select ubuntu16.4.exe, then write manually in path.
as shown in image.
Now just click on Apply and close. Open terminal (Ctrl+Alt+Shift+T) and select Ubuntu terminal.
Now, Navigate to source directory through terminal and compile you project. Enjoy...
Initially I followed espenalb's advice, but it didn't parse my build output correctly: double-clicking on lines didn't open the file, nor go to the line with the error.
I ended up changing the built-in CDT builder (instead of adding an external builder). I changed the build command to be the following (alex is my username):
bash.exe -c make 2>&1 | sed -e 's/\\/home\\/alex/C:\\\\Users\\\\alex/g' -e 's/\\//\\\\/g'
This way, the make output is converted from paths with "/home/alex" to the same path under "c:\users\alex". This fixes the parsing issue.
I also had an issue with eclipse replacing the build output with "Build not configured correctly" - I fixed it by disabling the "Scanner Configuration Builder" in the "Builders" submenu of the project properties (it's a C Makefile project). Also, need to remove targets "all" and "clean" from default build command.
Yet another variation. I managed to build with the external builder command set to
bash.exe -c "cd '${project_loc}' && cd directory_where_the_Makefile_is && make -j8"

Resources