Thanks Dave, DAP sounds like just the thing i need. Rob Hi list, I have built XForms (1.0.90) from source without any errors and all the files seem to be in the right place but when i try to build DAP (2.1.5) i get : make -f Makefile.linux Compiling tooltips.o from tooltips.c... /usr/lib/gcc-lib/i386-redhat-linux/3.2.2/../../../crt1.o(.text+0x18): In functio n `_start': ../sysdeps/i386/elf/start.S:77: undefined reference to `main' /tmp/ccaXaPUW.o(.text+0x39): In function `tooltips_initialize': : undefined reference to `fl_mapcolor' and a string of 'undefined reference to... errors where/how do i define what needs to be defined? sorry if i am missing something obvious, Rob redhat9 planetccrma