5. (optional) pkg-config utility (http://pkg-config.freedesktop.org)
6. (optional) bison (>= 2.3), flex (2.5.33), GNU readline (>= 4.3). These
are necessary to build ginsh, the GiNaC interactive shell, and can be
skipped if you don't intend to use ginsh (i.e. you need the GiNaC library
for compiling another piece of a software).
7. (optional) To build the GiNaC tutorial and reference manual the doxygen
5. (optional) pkg-config utility (http://pkg-config.freedesktop.org)
6. (optional) bison (>= 2.3), flex (2.5.33), GNU readline (>= 4.3). These
are necessary to build ginsh, the GiNaC interactive shell, and can be
skipped if you don't intend to use ginsh (i.e. you need the GiNaC library
for compiling another piece of a software).
7. (optional) To build the GiNaC tutorial and reference manual the doxygen