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In order to make the packages in this repo "reinstallable", we need to
associate source code with a specific packages. Having a top level
`/includes` dir that mixes concerns (which packages' includes?) gets in
the way of this.
To start, I have moved everything to `rts/`, which is mostly correct.
There are a few things however that really don't belong in the rts (like
the generated constants haskell type, `CodeGen.Platform.h`). Those
needed to be manually adjusted.
Things of note:
- No symlinking for sake of windows, so we hard-link at configure time.
- `CodeGen.Platform.h` no longer as `.hs` extension (in addition to
being moved to `compiler/`) so as not to confuse anyone, since it is
next to Haskell files.
- Blanket `-Iincludes` is gone in both build systems, include paths now
more strictly respect per-package dependencies.
- `deriveConstants` has been taught to not require a `--target-os` flag
when generating the platform-agnostic Haskell type. Make takes
advantage of this, but Hadrian has yet to.
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Support for Mac OS X on PowerPC has been dropped by Apple years ago. We
follow suit and remove PowerPC support for Darwin.
Fixes #16106.
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Our new CPP linter enforces this.
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Unfortunately (for inline `__asm__()` uses), IBM's `as` doesn't seem to support
local labels[1] like GNU `as` does so we need to workaround this when on AIX.
[1]: https://sourceware.org/binutils/docs/as/Symbol-Names.html#Symbol-Names
Turns out this also addresses the long-standing bug #485
Reviewed By: bgamari, trommler
Differential Revision: https://phabricator.haskell.org/D2029
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* RWX --- --- home/prefix/gentoo/usr/lib/ghc-7.2.1/ghc
* !WX --- --- home/prefix/gentoo/usr/lib/ghc-7.2.1/libHSrts.a:AdjustorAsm.o
More info can be found here: http://www.gentoo.org/proj/en/hardened/gnu-stack.xml
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
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as it maintains 16-byte alignment of the stack pointer (see #5250)
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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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