X window libraries and headers >.<

Well, im trying to install FBdesk since im running Fluxbox. When I './congure' it goes through everything and at the end it comes up with

Code:

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checking for X...no
checking for iconv...yes(non const msg)
checking for iconv_close in -liconv...no
configure error: fbdesk requires the X Window libraries and headers

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Now what am I suppose to do here? I search for the files and nothing. Havin a hard time.

you'll need to install an X Window System... you can try XFree86 or XOrg. if you have a package suite like Debian, try:
apt-get install x-window-system
if you already have X installed try installing the -devel packages

With FC2, its yum install ...
I've tried different variations and 'no packages exist' and I am tryin to find the devel package.

FC2, do you already have X installed ?
if so, you can just go to the menu, point to system and select package manager. now scroll down and select the packages "x server development"

I have updated 'X' stuff a lot of times before and a matter of fact, I just updated some X stuff again a few minutes ago. Still no X window libraries and headers. :( :(

And in the menu, there is system tools and system preferences. And in either of those there is no package manager, only the Red Hat network update manager. That updates(downloads and installs) the packages. So that should make X work right?

If not, you know where I can go download X-devel package(s)?