On Wed, Sep 28, 2011 at 2:47 AM, Michael Wild <them...@gmail.com> wrote:
> > Only if your installation is broken ;-) If the symlink is broken, I > consider this to be a user-error. Period. OTOH, CMake /could/ check > whether the library is a symlink, and if it is, check that it is valid. > Oh, no question the installation is broken. I'd just expect find_library to do whatever minimal validation it can easily do and not return invalid cases it can spot - checking for symlink and whether it's valid would catch one general class of error, and perhaps a quick check to see if the file is a binary or a text file would be another. Not perfect, but such tests should be relatively simple and would improve the utility of find_library. > But how do you test whether a library is "linkable"? > Not sure - autoconf has some sort of test that works in at least some cases in their AC_CHECK_LIB macro, but I'm not really clear on what it does. Even if such a test wouldn't catch all cases, mightn't it be useful to fail when available tests do detect a problem? Cheers, CY
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