Re: [Quantlib-users] Failing to run Quantlib 'Hello World' code

[Christofer B. <bog...@gm...>]

Hi Jonathan,

My 'Hello World' code is in a different folder from the QL. This is
done by design for better code management.

Any suggestion how to manage this situation is very helpful.

Thanks for your time

On Sat, Sep 28, 2024 at 4:25 AM Jonathan Sweemer <sw...@gm...> wrote:
>
> Hi Christofer,
>
> Is your hello world program in the same custom folder where you installed QuantLib? If so then the best thing to do would be to make a new separate directory for your hello world program and then pass the QuantLib include directory to the compiler using the `-I` flag.
>
>
> 2024년 9월 28일 (토) 05:27, Christofer Bogaso <bog...@gm...>님이 작성:
>>
>> Thanks Amine. Any suggestion how can I sort out the header files
>> search path in VScode?
>>
>> On Sat, Sep 28, 2024 at 1:40 AM Amine Ifri <ami...@gm...> wrote:
>> >
>> > Sounds like an issue with the header file naming convention IMO. Make sure you sort out your your header files search path  relative to where your put your main.cpp, as c++ tends to complain about this sometimes.
>> >
>> > On Fri, 27 Sep 2024 at 19:59, Christofer Bogaso <bog...@gm...> wrote:
>> >>
>> >> Hi,
>> >>
>> >> I installed Quantlib in a custom folder, and then ran following 'Hello
>> >> World' code
>> >>
>> >> #include <iostream>
>> >> #include <ql/interestrate.hpp>
>> >>
>> >> int main()
>> >> {
>> >> std::cout << "Hello World" << std::endl;
>> >> }
>> >>
>> >> Above code fails with below error message
>> >>
>> >> Starting build...
>> >> /usr/bin/g++ -fdiagnostics-color=always -g
>> >> /Users/XXX/QuantLib/QL/include/Custom_Date.cpp -o
>> >> /Users/XXX/QuantLib/QL/include/Custom_Date
>> >> /Users/XXX/QuantLib/QL/include/Custom_Date.cpp:2:10: error:
>> >> 'ql/interestrate.hpp' file not found with <angled> include; use
>> >> "quotes" instead
>> >>     2 | #include <ql/interestrate.hpp>
>> >>       |          ^~~~~~~~~~~~~~~~~~~~~
>> >>       |          "ql/interestrate.hpp"
>> >> In file included from /Users/XXX/QuantLib/QL/include/Custom_Date.cpp:2:
>> >> /Users/XXX/QuantLib/QL/include/ql/interestrate.hpp:27:10: fatal error:
>> >> 'ql/compounding.hpp' file not found
>> >>    27 | #include <ql/compounding.hpp>
>> >>       |          ^~~~~~~~~~~~~~~~~~~~
>> >> 2 errors generated.
>> >>
>> >> Build finished with error(s).
>> >>
>> >>  *  The terminal process failed to launch (exit code: -1).
>> >>  *  Terminal will be reused by tasks, press any key to close it.
>> >>
>> >> I am using Mac and VScode to run the C++ code.
>> >>
>> >> Could you please suggest if I need to perform anything specific to run
>> >> above code? I mostly followed the instructions in
>> >> https://www.quantlib.org/install/macosx.shtml to install Quantlib in
>> >> my Mac.
>> >>
>> >> Any pointer will be very helpful.
>> >>
>> >> Many thanks,
>> >>
>> >>
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