Check for hunspell.hxx always fails

[Kornel Benko]

Am Fri, 29 Nov 2019 13:04:48 +0100
schrieb pdv <pdvisschere at edpnet.be>:

> > The try_compile() normally creates an executable (e.g. compile + link)
> > and we want to compile only here.  
> 
> I thought so (and I suppose libhunspell is then also not needed by LyX, 
> which I did not realize), but that doesn't work for me; without the 
> LINK_LIBRARIES the build fails:
> 
> Undefined symbols for architecture x86_64:
>    "Hunspell::stem(std::__1::basic_string<char, 
> std::__1::char_traits<char>, std::__1::allocator<char> > const&)", 
> referenced from:
>        _main in hunspelltest.o
>    "Hunspell::Hunspell(char const*, char const*, char const*)", 
> referenced from:
>        _main in hunspelltest.o.
>    "Hunspell::~Hunspell()", referenced from:
>        _main in hunspelltest.o
> ld: symbol(s) not found for architecture x86_64
> 
> It has been reported that this trick does not work with XCode:
> https://cmake.org/pipermail/cmake/2010-May/037132.html
> 

I see. Committed at 350a9daf

	Kornel
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