------- Comment #5 from jwakely dot gcc at gmail dot com 2009-06-15 17:19 ------- Older versions show the information too:
$ echo | gcc -v -x c -c - 2>&1 | fgrep -B1 GMP
GNU C (GCC) version 4.3.2 (i686-pc-linux-gnu)
compiled by GNU C version 4.3.2, GMP version 4.2.3, MPFR version 2.3.1.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40447
