ldd `which pdftohtml `
        linux-gate.so.1 =>  (0xffffe000)
        libpoppler.so.2 => /usr/lib/libpoppler.so.2 (0xb7d9e000)
        libfontconfig.so.1 => /usr/lib/libfontconfig.so.1 (0xb7d73000)
        libz.so.1 => /usr/lib/libz.so.1 (0xb7d5f000)
        libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0xb7c7b000)
        libm.so.6 => /lib/libm.so.6 (0xb7c53000)
        libgcc_s.so.1 => /usr/lib/libgcc_s.so.1 (0xb7c48000)
        libc.so.6 => /lib/libc.so.6 (0xb7b06000)
        libjpeg.so.62 => /usr/lib/libjpeg.so.62 (0xb7ae6000)
        libxml2.so.2 => /usr/lib/libxml2.so.2 (0xb79cd000)
        libfreetype.so.6 => /usr/lib/libfreetype.so.6 (0xb795f000)
        libexpat.so.1 => /usr/lib/libexpat.so.1 (0xb793e000)
        /lib/ld-linux.so.2 (0xb7f42000)
        libdl.so.2 => /lib/libdl.so.2 (0xb793a000)