[Nfd-dev] HOWTO solve "undefined symbol" error

[Junxiao Shi]

Hi Davide

OSX has more LD errors than Ubuntu because sometimes the linker can look
for the dynamic library even if you are compiling statically.
This is just my impression.

I suggested sudo ./waf install rather than LD_LIBRARY_PATH because this is
the procedure given in README-dev.md
<https://github.com/named-data/ndn-cxx/blob/cf490555ff26a47c866601f4a11bd8562419ae0b/README-dev.md#running-unit-tests>
.

Yours, Junxiao

On Wed, Aug 24, 2016 at 8:30 PM, Davide Pesavento <davide.pesavento at lip6.fr>
wrote:

> On Tue, Aug 23, 2016 at 6:25 PM, Junxiao Shi
> <shijunxiao at email.arizona.edu> wrote:
> > The second cause is most commonly seen during execution of a program in
> > ndn-cxx repository (such as ndn-cxx unit tests or ndnsec), when ndn-cxx
> is
> > compiled as dynamic library.
> > This is more likely to occur on OSX machines.
>
> Why?
>
> > The solution is to execute sudo ./waf install (omit sudo if you are using
> > HomeBrew), and then run the program again.
>
> You should suggest using LD_LIBRARY_PATH and DYLD_LIBRARY_PATH
> instead, they're much less invasive, and installing the library is not
> a viable solution in some cases.
>
> Thanks,
> Davide
>
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