[Microcode-general] make error

[Web a. \(Tratti.c. s.r.l.\) <web...@tc...>]

i've tried to make it...but i get this error

gcc: ext/microcode/customize.lo: No such file or directory
 make: *** [libphp4.la] Error 1
 
 I have the symlink customize.o -> customize.lo present in ext/microcode 
 but customize.lo does not exist at all.

i've php 4.3.1
could anyone help me?