-You need to install gmp, mpfr and libiconv packages using MacPorts, DarwinPorts
-or fink. GCC-4.4.0 requires them.
+You need to install gmp, mpfr, mpc and libiconv packages using MacPorts,
+DarwinPorts or fink. GCC-4.5.1 requires them.
+
+Notes for Linux users:
+----------------------
+You need to install several packages on debian just run:
+
+apt-get install flex bison libgmp3-dev libmpfr-dev libncurses5-dev \
+libmpc-dev autoconf texinfo build-essential
+
+You may want to try running the following comand instead too:
+
+apt-get build-dep gcc-4.5