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$ ldd /usr/lib64/perl5/site_perl/5.8.5/x86_64-linux-thread-multi/aut +o/Text/Unaccent/Unaccent.so
$ strace -f -efiles ldd /usr/lib64/perl5/site_perl/5.8.5/x86_64-linu +x-thread-multi/auto/Text/Unaccent/Unaccent.so 2>&1 | grep libiconv