Defect: `cafrun` should report an error if `-n #` argument is not provided

[everythingfunctional]

• I am reporting a bug others will be able to reproduce and not asking a question or requesting a new feature.

System information including:

• OpenCoarrays Version: 2.9.0
• Fortran Compiler: gfortran 10.2.0
• C compiler used for building lib: Installed from AUR
• Installation method: from AUR
• All flags & options passed to the installer: N/A
• Output of uname -a: Linux darter 5.9.1-arch1-1 tests dis_transpose: test passed  #1 SMP PREEMPT Sat, 17 Oct 2020 13:30:37 +0000 x86_64 GNU/Linux
• MPI library being used: MPICH 3.4
• Machine architecture and number of physical cores: Intel 4 core (i7?)
• Version of CMake: 3.18.4

To help us debug your issue please explain:

executing cafrun path_to_executable simply exits with a 0 status, and does nothing

What you were trying to do (and why)

I was simply trying to run my program

What happened (include command output, screenshots, logs, etc.)

Nothing. No output was produced and the exit status was 0

What you expected to happen

Either, the program was run with a single image, or an error was reported about the misuse of the command

Step-by-step reproduction instructions to reproduce the error/bug

1. Compile a program with caf main.f90 -o main
2. Run the program with cafrun main

[vehre]

On a Linux it is usually required to use './' before main, i.e., try cafrun ./main Andre Vehreschild * Kreuzherrenstr. 8 * 52062 Aachen Tel.: +49 241 9291018 * vehre@gmx.de Am 28. Oktober 2020 19:38:53 schrieb Brad Richardson <notifications@github.com>:

…

I am reporting a bug others will be able to reproduce and not asking a question or requesting a new feature. System information including: OpenCoarrays Version: 2.9.0 Fortran Compiler: gfortran 10.2.0 C compiler used for building lib: Installed from AUR Installation method: from AUR All flags & options passed to the installer: N/A Output of uname -a: Linux darter 5.9.1-arch1-1 #1 SMP PREEMPT Sat, 17 Oct 2020 13:30:37 +0000 x86_64 GNU/Linux MPI library being used: MPICH 3.4 Machine architecture and number of physical cores: Intel 4 core (i7?) Version of CMake: 3.18.4 To help us debug your issue please explain: executing cafrun path_to_executable simply exits with a 0 status, and does nothing What you were trying to do (and why) I was simply trying to run my program What happened (include command output, screenshots, logs, etc.) Nothing. No output was produced and the exit status was 0 What you expected to happen Either, the program was run with a single image, or an error was reported about the misuse of the command Step-by-step reproduction instructions to reproduce the error/bug Compile a program with caf main.f90 -o main Run the program with cafrun main — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub, or unsubscribe.

[everythingfunctional]

That does not solve this particular issue, and in any case is only necessary if the command you're trying to run is in the current directory, and . is not in your PATH environment variable. For example running the command main may not work, and would need to be ./main, but in this case ./cafrun would not be appropriate because the cafrun executable is not in the current directory.