This describes running Ifeffit on Linux
As far as I know, installation from source is generally working fine. This is especially true with the 1.2.8 release, which fixed some installation problems on debian systems due to conflicts with 'termcap, curses' libraries.
For 64-bit linux, Ifeffit 1.2.8 installs OK (at least for everyone I know of) once PGPLOT is installed. The simple PGPLOT_Install script *almost* works, but will fail. The fix is to find the PGPLOT makefile (probably in /usr/local/pgplot/) and change the line (should be near the top, around line 48)
LIBS=-L/usr/X11R6/lib -lX11
to
LIBS=-L/usr/X11R6/lib64 -lX11