Ian Lynagh wrote:
On Fri, Aug 07, 2009 at 11:42:08PM +0100, Simon Marlow wrote:
Ian Lynagh wrote:
Fri Aug 7 06:07:31 PDT 2009 Ian Lynagh <[email protected]>
* Add a kludge to fix building shared libs
The .dyn_hi files currently depend on the .dyn_hi files of modules that
they import. But they actually want the .hi files of modules from
another package.This we make the .dyn_hi files depend on the .hi files
so we are sure that they exist and are up-to-date.
I don't understand - why do they need to depend on the .hi files and not
the .dyn_hi files?
I don't know, but that's the current behaviour:
libraries/array/Data/Array.hs:1:0:
Failed to load interface for `Prelude':
There are files missing in the `base' package,
try running 'ghc-pkg check'.
locations searched:
libraries/array/./Prelude.dyn_hi
libraries/array/./Prelude.dyn_hi-boot
libraries/array/dist-install/build/Prelude.dyn_hi
libraries/array/dist-install/build/Prelude.dyn_hi-boot
libraries/array/dist-install/build/autogen/Prelude.dyn_hi
libraries/array/dist-install/build/autogen/Prelude.dyn_hi-boot
/home/ian/ghc/darcs/ghc/libraries/base/dist-install/build/Prelude.hi
Oh. It seems that -dynamic is not treated as a "way" by GHC, but we are
treating it like a way in the build system. So when you use -dynamic,
GHC reads the .hi files for the normal way, but links against the .so
files. It's absolutely amazing that this works at all.
The right fix is to make -dynamic a "way" flag.
Cheers,
Simon
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