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Fixes crashes on Windows and Sparc
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It's no longer needed, as base no longer #includes it
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gcc has changed the meaning of "extern inline" when certain flags are
on (e.g. --std=gnu99), and this broke our use of it in the header
files.
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This means S_ISSOCK gets defined on Linux
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gcc 4.3 emits warnings for static inline functions that its heuristics
decided not to inline. The workaround is to either mark appropriate
functions as "hot" (a new attribute in gcc 4.3), or sometimes to use
"extern inline" instead.
With this fix I can validate with gcc 4.3 on Fedora 9.
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Include TickyCounters.h in Stg.h if we are doing Ticky Ticky.
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This has several advantages:
- -fvia-C is consistent with -fasm with respect to FFI declarations:
both bind to the ABI, not the API.
- foreign calls can now be inlined freely across module boundaries, since
a header file is not required when compiling the call.
- bootstrapping via C will be more reliable, because this difference
in behavour between the two backends has been removed.
There is one disadvantage:
- we get no checking by the C compiler that the FFI declaration
is correct.
So now, the c-includes field in a .cabal file is always ignored by
GHC, as are header files specified in an FFI declaration. This was
previously the case only for -fasm compilations, now it is also the
case for -fvia-C too.
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In preparation for parallel GC, split up the monolithic GC.c file into
smaller parts. Also in this patch (and difficult to separate,
unfortunatley):
- Don't include Stable.h in Rts.h, instead just include it where
necessary.
- consistently use STATIC_INLINE in source files, and INLINE_HEADER
in header files. STATIC_INLINE is now turned off when DEBUG is on,
to make debugging easier.
- The GC no longer takes the get_roots function as an argument.
We weren't making use of this generalisation.
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We were assuming we could multiply 2 32-bit numbers without overflowing
a 64-bit number, but we can't as the top bit is the sign bit.
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Most of the other users of the fptools build system have migrated to
Cabal, and with the move to darcs we can now flatten the source tree
without losing history, so here goes.
The main change is that the ghc/ subdir is gone, and most of what it
contained is now at the top level. The build system now makes no
pretense at being multi-project, it is just the GHC build system.
No doubt this will break many things, and there will be a period of
instability while we fix the dependencies. A straightforward build
should work, but I haven't yet fixed binary/source distributions.
Changes to the Building Guide will follow, too.
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