P.S. Of course the path of CUDA binaries is included in $PATH indeed with 
exactly the same command
it compiles successfully the example files (x10.dist/samples/CUDA) you provide.
It looks like the problem is related with the package system: if I add a 
package to the samples
(let's say CUDAKernelTest or CUDABlackScholes) I get the same error.

Hope it helps!

Luca

Il giorno 04/feb/2014, alle ore 18.10, Luca Salucci ha scritto:

> Thanks for the clarification! It is really useful. While compiling I am still 
> having troubles. Let me explain.
> 
> my project folder hierarchy is the following:
> 
> .:
> cuGML GML.x10
> 
> ./cuGML:
> cuSparseCSC.x10  cuVectorMult.x10  cuVector.x10
> 
> 
> I use the following command to compile:
> x10c++ -O -sourcepath cuGML -classpath 
> <path_to_gml>/x10.gml/lib/native_gml.jar
> -x10lib <path_to_gml>/x10.gml/native_gml.properties -post '# # # -L 
> /usr/lib/libblas
> -L /usr/lib/lapack -lblas -llapack' GML.x10 -o GML
> 
> 
> My project extends the GML library (that I provide as .jar through the 
> -classpath)
> and thus makes use of BLAS and LAPACK that i link in the post-compilation.
> I hope this is right, if not let me know please!
> 
> Well if I compile it to target the host everything is ok, but if I add the 
> @CUDA directive
> to the methods I want to run on the CUDA device I get the following:
> 
> x10c++: gcc: error: cuGML.cuVector.cu: No such file or directory    
>      gcc: warning: ‘-x c++’ after last input file has no effect    
>      gcc: fatal error: no input files    
>      compilation terminated.    
> x10c++: Non-zero return code: 4
> x10c++: Found @CUDA annotation, but not compiling for GPU because nvcc could 
> not be run (check your $PATH).
> x10c++: gcc: error: cuGML.cuVector.cu: No such file or directory    
>      gcc: warning: ‘-x c++’ after last input file has no effect    
>      gcc: fatal error: no input files    
>      compilation terminated.    
> x10c++: Non-zero return code: 4
> x10c++: Found @CUDA annotation, but not compiling for GPU because nvcc could 
> not be run (check your $PATH).
> x10c++: gcc: error: cuGML.cuVector.cu: No such file or directory    
>      gcc: warning: ‘-x c++’ after last input file has no effect    
>      gcc: fatal error: no input files    
>      compilation terminated.    
> x10c++: Non-zero return code: 4
> x10c++: Found @CUDA annotation, but not compiling for GPU because nvcc could 
> not be run (check your $PATH).
> x10c++: gcc: error: cuGML.cuVector.cu: No such file or directory    
>      gcc: warning: ‘-x c++’ after last input file has no effect    
>      gcc: fatal error: no input files    
>      compilation terminated.    
> x10c++: Non-zero return code: 4
> x10c++: Found @CUDA annotation, but not compiling for GPU because nvcc could 
> not be run (check your $PATH).
> x10c++: gcc: error: cuGML.cuVector.cu: No such file or directory    
>      gcc: warning: ‘-x c++’ after last input file has no effect    
>      gcc: fatal error: no input files    
>      compilation terminated.    
> x10c++: Non-zero return code: 4
> x10c++: Found @CUDA annotation, but not compiling for GPU because nvcc could 
> not be run (check your $PATH).
> x10c++: gcc: error: cuGML.cuVector.cu: No such file or directory    
>      gcc: warning: ‘-x c++’ after last input file has no effect    
>      gcc: fatal error: no input files    
>      compilation terminated.    
> x10c++: Non-zero return code: 4
> x10c++: Found @CUDA annotation, but not compiling for GPU because nvcc could 
> not be run (check your $PATH).
> x10c++: gcc: error: cuGML.cuVector.cu: No such file or directory    
>      gcc: warning: ‘-x c++’ after last input file has no effect    
>      gcc: fatal error: no input files    
>      compilation terminated.    
> x10c++: Non-zero return code: 4
> x10c++: Found @CUDA annotation, but not compiling for GPU because nvcc could 
> not be run (check your $PATH).
> x10c++: gcc: error: cuGML.cuVector.cu: No such file or directory    
>      gcc: warning: ‘-x c++’ after last input file has no effect    
>      gcc: fatal error: no input files    
>      compilation terminated.    
> x10c++: Non-zero return code: 4
> x10c++: Found @CUDA annotation, but not compiling for GPU because nvcc could 
> not be run (check your $PATH).
> x10c++: 15 dynamically checked calls or field accesses, run with 
> -VERBOSE_CHECKS for more details.
> 
> 
> I do not understand why it does not find the cuGML.<class>.cu files since 
> they are present!
> Indeed the project directory after compilation is in this state:
> .:
> cuGML  GML  GML.cc  GML.h  GML.x10  xxx_main_xxx.cc
> 
> ./cuGML:
> cuSparseCSC.cc        cuSparseCSC.h  cuSparseCSC.x10  cuVector.cc  
> cuVector.cu  cuVector__CUDADeviceNotFoundException.h 
> cuVector.h  cuVectorMult.cc   cuVectorMult.h  cuVectorMult.x10  cuVector.x10
> 
> 
> 
> The GML program is produced but no .cubin file is generated for the methods 
> to be run on the CUDA device, thus if i run it it crashes.
> 
> N.B. I do not know why but the last version of X10 (2.4.1) was not working on 
> the machines on which I work!
> After a bunch of work and configuration I found that the 2.3.1 version was 
> working thus this is the version I am actually using.
> 
> I really do hope you do not tell me this is unsolvable otherwise my Master 
> Thesis would be a flop.
> Thank for your help! 
> 
> Luca Salucci

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