Marc Glisse <marc.glisse@xxxxxxxx> skribis: > On Thu, 13 Sep 2012, Ludovic Courtès wrote: > >> Hi, >> >> The page at <http://gcc.gnu.org/faq.html>, under “Dynamic linker is >> unable to find GCC libraries” reads: >> >> The short explanation is that if you always pass a -R option to the >> linker, your programs become dependent on directories which may be NFS >> mounted [...] >> >> However, if you feel you really need such an option to be passed >> automatically to the linker, you may add it to a GCC specs file. [...] >> You may add linker flags such as -R or -rpath, depending on platform >> and linker, to the *link or *lib specs. >> >> After spending some time looking at spec strings and at the manual, I >> can’t think of a way of emitting ‘-rpath LIBDIR’ for every ‘-LLIBDIR’ >> encountered. > > %{L*:-rpath %*} maybe? I realize this isn’t sufficient for my purposes: when $LIBRARY_PATH is used, -L can be omitted, thus bypassing the above trick. Ideally, for every ‘-lLIB’, it would add ‘-rpath $(dirname $(which LIB))’, so to speak. That may be beyond what spec strings can express, though. Or maybe not? :-) Ludo’.
