From: Mikko Vainio (mivainio_at_[hidden])
Date: 2007-11-12 09:58:58
You must check that the required argument is specified:
if( !varmap.count("a") )
{
cerr << "Argument 'a' missing!" << endl;
return 1;
}
/Mikko
swapna wrote:
> How to include all options as mandatory ones.
> ex: test.exe -a "address" -b "BW"
> Both -a and -b should be specified.It is manadatory
> How to make it mandatory using program_options in boost.
>
> */Benoit Sigoure <tsuna_at_[hidden]>/* wrote:
>
> On Nov 12, 2007, at 6:56 AM, brad wrote:
> > Benoit Sigoure wrote:
> >> Hello Brad,
> >>
> >> On Nov 10, 2007, at 1:10 AM, Brad wrote:
> >>
> >>> I am trying to make a package called visual python, but I keep
> >>> getting
> >>> this error. I am using fedora 8 and have
> >>>
> >>> Linking cvisualmodule.la ...
> >>> make[1]: *** [cvisualmodule.la] Error 1
> >>> make[1]: Leaving directory
> `/home/brad/Download/visual-4.beta16/src'
> >>> make: *** [all-recursive] Error 1
> >>>
> >>> The key reason I get this error is this line right here...
> >>> /usr/bin/ld: cannot find -lboost_thread
> >>>
> >>> I looked online saw that I could try --LDFLAGS-L[path], where
> >>> path is
> >>> the path to libboost_thread.so and libboost_thread.a. Those
> >>> files don't
> >>> exist on my computer and I have boost-1.34.1-5.fc8 and
> >>> boost-devel-1.34.1-5.fc8. I did however find
> >>> /usr/lib/libboost_thread-mt.so,
> >>> /usr/lib/libboost_thread-mt.so.1.34.1, and /usr/lib/
> >>> libboost_thread-mt.so.3.
> >>
> >> As far as I know (someone correct me if I'm wrong) boost_threads
> >> always comes in a `-mt' flavor (I think it's obvious why) so you
> >> must use -lboost_thread-mt instead.
> >
> > I did not make the config file for this but I need to install it.
> > Is there some kind of argument I can pass during configure to fix
> > this?
>
> I don't understand what you mean, which configure are you talking
> about? The configure of Boost itself or that of the project you're
> trying build? For Boost, just do a standard install, but since you
> already have the file /usr/lib/libboost_thread-mt.so, you don't need
> to worry about that. For the project you're trying to build, if it
> uses the autotools (that is, its configure script has been generated
> by autoconf) use ./configure LIBS=-lboost_thread-mt
> Otherwise, if none of this works, you'll just have to hack the build
> system of that project so that it uses -lboost_thread-mt where needed.
>
> --
> Benoit Sigoure aka Tsuna
> EPITA Research and Development Laboratory
>
>
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-- :: Mikko Vainio <mikko.vainio_at_[hidden]> tel + 358 2 215 4600 :: Structural Bioinformatics Laboratory :: Department of Biochemistry and Pharmacy :: Abo Akademi University, Tykistokatu 6A, FI-20520 Turku Finland