Hi, you are right: I copied the PPD file AND the according tar.gz from the same site and now it works fine: 
D:\Perl\Module>perl -le"use Math::GMP;"
Can't locate loadable object for module Math::GMP in @INC (@INC contai
+ns: D:\per
l\lib D:\perl\site D:/Perl/lib D:/Perl/site/lib .) at -e line 1
Compilation failed in require at -e line 1.
BEGIN failed--compilation aborted at -e line 1.

D:\Perl\Module>ppm i D:\Perl\Module\Math-GMP.ppd
====================
Install 'Math-GMP' version 2.04 in ActivePerl 5.8.4.810.
====================

ppmpath: C:\DOKUME~1\balogd\LOKALE~1\Temp/Math-GMP-9872-1245722478
Installing D:\Perl\site\lib\auto\Math\GMP\GMP.bs
Installing D:\Perl\site\lib\auto\Math\GMP\GMP.dll
Files found in blib\arch: installing files in blib\lib into architectu
+re depende
nt library tree
Installing D:\Perl\site\lib\auto\Math\GMP\autosplit.ix
Installing D:\Perl\site\lib\Math\GMP.pm
Successfully installed Math-GMP version 2.04 in ActivePerl 5.8.4.810.

D:\Perl\Module>ppm q Math
Querying target 1 (ActivePerl 5.8.4.810)
  1. Math-GMP     [2.04] High speed arbitrary size integer math

[download]
The test works fine too: 
D:\Perl\Module>perl -le"use Math::GMP; print Math::GMP->VERSION"
2.04

[download]
Thanks a lot!

In reply to Re^6: successfull Installed module vanished by BluePerl
in thread successfull Installed module vanished by BluePerl

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