В Срд, 12/08/2009 в 00:03 +0200, Thomas Kahle пишет:
> the following check in configure.ac fails with --as-needed but works
> without it. Any hints what is wrong ? Thanks / Thomas

Common reason for failure with --as-needed is the order of libraries. In
you previous mail you wrote that with 

sed "s/\"-lntl\"/\"-lntl\" \"-lgf2x -lntl\"/" -i "${S}/configure.ac"

it works but here: 

> for lib in "" "-lntl" "-lntl -lgf2x"

I see different order. Try to change order of -lgf2x and -lntl inside
ebuild. Also 

sed 's/"-lntl"/"-lntl" "-lgf2x -lntl"/' -i "${S}/configure.ac"

is shorter and easier to read.

-- 
Peter.