I had trouble installing the generic 64-bit Linux tarball for 7.6.3.
With some help from Ian, who pointed out that the problem was
related to ld-linux.so, I finally figured out the root of the problem:
the installation requires *both* the 64-bit and 32-bit
versions of libc6 plus deps to be available.
Once the installation was complete, I could then remove the
32-bit libs and ghc still seems to work. It appears that the
32-bit libs are only required for some of the auxiliary executables
that come with the tarball, such as ghc-pwd.
Is there any reason in principle that we only allow 64-bit GHC
to be installed on multiarch Linux? That seems like a rather
arbitrary restriction.
In the meantime, something ought to be said about this on the
download page.
More details: the target system for the installation in my case
was an up-to-date Ubuntu 12.04 LTS (precise) amd64 headless
server running in a VMware containter.
Thanks,
Yitz
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