On 2017 M03 22, Wed 22:11:16 CET Alexander Neundorf wrote:
> Hi,
>
> while looking into making hpx install into lib64/, I came across
> hpx::util::find_prefixes(), which contains a loop I don't understand:
>
> That's the code:
> std::string prefixes = find_prefix(library);
> typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
> boost::char_separator<char> sep(HPX_INI_PATH_DELIMITER);
> tokenizer tokens(prefixes, sep);
> std::string result;
> for(tokenizer::iterator it = tokens.begin(); it != tokens.end();
> ++it) {
> ...
>
>
> find_prefix(), according to the code and to the documentation, returns "the
> installation path of the specified module", i.e. 1 path.
> Why is there the need to tokenize that using a PATH_DELIMITER (":" here) and
> then iterate over all tokens ? It looks to me like there is always exactly
> one path ?
IOW, can I remove the loop, maybe add a function util::find_library_dir(), and
return in find_prefixes() the directory based on hpx_prefix and the directory
based on the library dir ?
Alex
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