Re: [Help-gsl] Using gel in mac os

[Emyr James]

This is not a gsl problem, this is a C / GCC problem. I suggest you become
more familiar with C / GCC before starting to use gsl.
Go through the whole of this...http://www.cplusplus.com/files/tutorial.pdf.
Also go through the book ‘The C Programming Language’ by Brian Kernighan
and Dennis Ritchie


On 7 August 2014 07:24, rio <address@hidden> wrote:

>
> I have another problem with compiling. I have to include file and I don't
> know how to write it in g++ command.
>
> I made a wrong command:
>
> g++ -Wall -I /usr/local/include/  -I include/  /Users/rio/SgDev/a.cpp
>  -pthread
>
> regards,
>
> On Aug 6, 2014, at 6:15 PM, Emyr James <address@hidden> wrote:
>
> there should be a program called gsl-config available after you install it
> which helps you get the compiler options right.
>
> To compile it on 1 line on linux I did...
>
> gcc `gsl-config --cflags` -o example example.c `gsl-config --libs`
>
> (note the use of backticks)
>
> then
>
> ./example
>
> to run it
>
>
>
> On 6 August 2014 14:39, Emyr James <address@hidden> wrote:
>
>> Also, make files are a good thing to use.
>>
>>
>>
>> On 6 August 2014 14:20, Emyr James <address@hidden> wrote:
>>
>>> Yes...you are not linking the gsl libraries...
>>>
>>> I think you need to learn a bit more about C and gcc before looking at
>>> gsl...
>>>
>>>
>>> On 6 August 2014 14:07, rio <address@hidden> wrote:
>>>
>>>>
>>>> rio:testing rio$ gcc  example.o -o example
>>>> Undefined symbols for architecture x86_64:
>>>>   "_gsl_sf_bessel_J0", referenced from:
>>>>       _main in example.o
>>>> ld: symbol(s) not found for architecture x86_64
>>>> clang: error: linker command failed with exit code 1 (use -v to see
>>>> invocation)
>>>>
>>>>
>>>> On Aug 6, 2014, at 5:30 PM, Emyr James <address@hidden> wrote:
>>>>
>>>> ...object *file*....
>>>>
>>>>
>>>>
>>>> On 6 August 2014 13:59, Emyr James <address@hidden> wrote:
>>>>
>>>>> You're trying to execute the object fime instead of the actual
>>>>> executable.
>>>>>
>>>>> Do...
>>>>>
>>>>>  ./example
>>>>>
>>>>> ... not ...
>>>>>
>>>>> ./example.o
>>>>>
>>>>>
>>>>>
>>>>> On 6 August 2014 13:53, rio <address@hidden> wrote:
>>>>>
>>>>>> Hi :-)
>>>>>>
>>>>>> I installed gel by brew in mac os 10.8.6.
>>>>>> I want to compile this code : http://codepad.org/Z8uC8KPA
>>>>>>
>>>>>> This error happened.
>>>>>>
>>>>>> rio:testing rio$ gcc -Wall -I /usr/local/include/ -c example.c
>>>>>> rio:testing rio$ gcc -L/usr/local/lib example.o -lgsl -lgslcblas -lm
>>>>>> rio:testing rio$ ./example.o
>>>>>> -bash: ./example.o: Permission denied
>>>>>> rio:testing rio$ chmod +x example.o
>>>>>> rio:testing rio$ ./example.o
>>>>>> -bash: ./example.o: Malformed Mach-o file
>>>>>>
>>>>>> Best regards,
>>>>>> Rio
>>>>>>
>>>>>>
>>>>>
>>>>
>>>>
>>>
>>
>
>