Hi, Carsten.Hammer@xxxxxxxxxxx (Carsten Hammer) writes: > > gcc -g `gtk-config --cflags` -O2 -Wall -c fourier.c > > Anybody here who can help Frank? I dont know whats going on there.. what about using gimptool to get the compiler and linker flags right? Try: gimptool --build fourier.c or if the relevant plug-in has more than one C-file, use gimptool --cflags / --libs in the Makefile instead of gtk-config. Salut, Sven