libgmp-related build error

[Andreas Voellmy]

Thanks to everyone for the comments.

I didn't try to fix the build system. I took the easy approach and just
used macports to install gmp on my system and added macports' lib and
include paths to the C_INCLUDE_PATH and LIBRARY_PATH variables. The build
succeeded now.

Maybe I should add a note to the wiki page on build prerequisites for mac
os x regarding this issue?  Or will the build be fixed to pick up gmp from
the in-tree GMP?

-Andi


On Fri, Apr 26, 2013 at 11:55 AM, Páli Gábor János <pali.gabor at gmail.com>wrote:

> On Fri, Apr 26, 2013 at 5:24 PM, Hollister Herhold <hollister at fafoh.com>
> wrote:
> > There's one in ghc/libraries/integer-gmp/gmp/gmp.h
>
> As far I know, there is an "in-tree" GMP packaged as a tarball under
> the ghc/libraries/integer-gmp/tarball directory.  GNU/Linux can pick
> up the gmp headers and libraries because they are some expected
> location (perhaps in /usr/include and /usr/lib), while FreeBSD cannot,
> because GMP is installed as a third-party software and resides under
> some prefix, which is usually /usr/local/{include,lib} so it would
> fall back to the in-tree version.
>
> The solution is use the --with-gmp-includes and --with-gmp-libraries
> flags for the "configure" script.  The x86 FreeBSD builder fails
> because these flags are not specified and it cannot pick up the
> in-tree GMP any more (I have mentioned Ian this problem, but probably
> he did not have time to fix this up), while the x86_64 FreeBSD builder
> works because it picks up the system GMP due to these flags.
>
> Actually, the x86_64 FreeBSD builder were also able to pick up the
> in-tree GMP, but unfortunately it causes some linking error if I
> recall this correctly (c.f. #4022).
>
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