the out put of src.rpm files always look like this on my mandrake 10.0
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rpm -i gtk+-1.2.10-40mdk.src.rpm
warning: gtk+-1.2.10-40mdk.src.rpm: V3 DSA signature: NOKEY, key ID 70771ff3
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
warning: user pablo does not exist - using root
warning: group pablo does not exist - using root
[root@localhost xmms]# rpm -q gtk+-1.2.10-40mdk.src.rpm
package gtk+-1.2.10-40mdk.src.rpm is not installed
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what can I do to install the packages src.rpm....???

rpmbuild --rebuild *.src.rpm

or

rpmrebuild *.src.rpm

I forget what mandrake uses for that command.

http://www.siliconvalleyccie.com/lin...m#_Toc91165213

here is a short how-to for installing source rpms.

thank you for your help but it now gives the error message
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[root@localhost xmms]# rpm --rebuild gtk+-1.2.10-40mdk.src.rpm
/usr/lib/rpm/rpmb: No such file or directory
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what can I do??

Install the rpmbuild via your CD's/DVD's. Go through DrakConf.

You need to do
If you don't have the rpmbuild package install it as suggested above.