il mio problema con l´installazione è il seguente mi potete aiutare? Grazie

<BR>configure: WARNING: X11/extensions/scrnsaver.h: present but cannot be compiled
<BR>configure: WARNING: X11/extensions/scrnsaver.h: check for missing prerequisite headers?
<BR>configure: WARNING: X11/extensions/scrnsaver.h: see the Autoconf documentation
<BR>configure: WARNING: X11/extensions/scrnsaver.h: section "Present But Cannot Be Compiled"
<BR>configure: WARNING: X11/extensions/scrnsaver.h: proceeding with the preprocessor´s result
<BR>configure: WARNING: X11/extensions/scrnsaver.h: in the future, the compiler will take precedence
<BR>configure: WARNING: ## ------------------------------------------ ##
<BR>configure: WARNING: ## Report this to the AC_PACKAGE_NAME lists. ##
<BR>configure: WARNING: ## ------------------------------------------ ##
<BR>checking for X11/extensions/scrnsaver.h... yes
<BR>checking for XScreenSaverRegister in -lXext... no
<BR>checking for XScreenSaverRegister in -lXExExt... no
<BR>checking for XScreenSaverRegister in -lXss... yes
<BR>checking for gethostent in -lnsl... yes
<BR>checking for connect... (cached) yes
<BR>configure: error: conditional "HAVE_ORBIT" was never defined.
<BR>Usually this means the macro was only invoked conditionally. <br>