User forums > General (but related to Code::Blocks)

simple problem with path maybe?

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noidian:
Hi,

I have installed the codeblocks 10.05. on ubuntu lucid.

The problem is the hello world startup throws error:

Compiling: main.cpp
execvp(g++ -Wall -fexceptions  -O2     -c /media/Data/pcie_driver/main.cpp -o /media/Data/pcie_driver/obj/Release/main.o) failed with error 2!
Process terminated with status 255 (0 minutes, 0 seconds)
0 errors, 0 warnings

I have tried changing the  Project->properties and modifying the settings etc.

The command works fine by itself in bash shell.

Any help would be great.

Jenna:
Do you have the g++-package installe ?
If yes, what happens, if you use the same command in a console ?

MortenMacFly:

--- Quote from: jens on July 31, 2012, 08:57:16 pm ---If yes, what happens, if you use the same command in a console ?

--- End quote ---

--- Quote from: noidian on July 31, 2012, 05:55:22 pm ---The command works fine by itself in bash shell.

--- End quote ---

Did you select a different shell in C::B - other than the bash you used fore testing?
Did you use a different parametrisation of the same shell in C::B and for testing?

Jenna:

--- Quote from: MortenMacFly on July 31, 2012, 09:20:46 pm ---
--- Quote from: jens on July 31, 2012, 08:57:16 pm ---If yes, what happens, if you use the same command in a console ?

--- End quote ---

--- Quote from: noidian on July 31, 2012, 05:55:22 pm ---The command works fine by itself in bash shell.

--- End quote ---

Did you select a different shell in C::B - other than the bash you used fore testing?
Did you use a different parametrisation of the same shell in C::B and for testing?

--- End quote ---

 ??? Totally overread that, sorry.
What is the compilers masterpath of the toolchain ?

You can try to put the env command in the projects prebuild steps to see, whether the PATH-variable is correct, so g++ can be run.

The return value of 2 of execvp means ENOENT as far as I know.
ENOENT = no such file or directory

noidian:
Hi,

Thanks for the responses.


--- Quote ---Did you select a different shell in C::B - other than the bash you used fore testing?
--- End quote ---
I assume the C::B uses the bash shell by default.  So I am not sure how to go about changing that.



--- Quote ---Did you use a different parametrisation of the same shell in C::B and for testing?
--- End quote ---
I guess no, since I have no exact idea of how to change out of the bash shell in C::B.


--- Quote ---What is the compilers masterpath of the toolchain ?
--- End quote ---
I went to -> Settings->Compiler and..-> Toolchan exec

in that for g++ is /usr/bin

which I presume is the compiler masterpath, your asking for.


--- Quote ---You can try to put the env command in the projects prebuild steps to see, whether the PATH-variable is correct, so g++ can be run.
--- End quote ---

I tried adding /usr/bin to the bash as PATH=$PATH:/usr/bin/g++ , export PATH
Adding that path to the prebuild in Project- > build options, still throws an error 2.
(Is this what you meant?)

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