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While windows and macOS are currently on case-insensitive file
systems, this poses no issue on those. When cross compiling from
linux with a case sensitive file system and mingw providing only
lowercase headers, this in fact produces an issue. As such we just
lowercase the import headers, which should still work fine on a
case insensitive file system and also enable mingw's headers to
be usable porperly.
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The variable was already unused when the file was introduced in
b35a6ce0e34255d200ddcf341ffc645fd237ea32.
Reviewers: bgamari
Reviewed By: bgamari
Subscribers: rwbarton, thomie, carter
GHC Trac Issues: #11777
Differential Revision: https://phabricator.haskell.org/D4426
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Summary:
It seems the call that caused issues with the gcc wrapper before
was needed for the ghci wrapper in order for the child process
to be the one handling console events.
This code slightly refactors the wrappers to make sure only ghci
calls FreeConsole and nothing else.
Test Plan: ./validate , open ghci.exe press ctrl+c
Reviewers: RyanGlScott, austin, hvr, bgamari
Reviewed By: bgamari
Subscribers: rwbarton, thomie, erikd
GHC Trac Issues: #14150
Differential Revision: https://phabricator.haskell.org/D4028
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Summary:
Initial implementation of split-section on Windows.
This also corrects section namings and uses the platform
convention of `$` instead of `.` to separate sections.
Implementation is based on @awson's patches to binutils.
Binutils requires some extra help when compiling the libraries
for GHCi usage. We drop the `-T` and use implicit scripts to amend
the linker scripts instead of replacing it.
Because of these very large GHCi object files, we need big-obj support,
which will be added by another patch.
Test Plan: ./validate
Reviewers: awson, austin, bgamari
Subscribers: dfeuer, rwbarton, thomie, snowleopard, #ghc_windows_task_force
GHC Trac Issues: #12913
Differential Revision: https://phabricator.haskell.org/D3383
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Summary: Escape `\` in paths on Windows in `cwapper.c` when we re-output the paths.
Test Plan: ./validate
Reviewers: austin, bgamari
Reviewed By: bgamari
Subscribers: rwbarton, thomie
GHC Trac Issues: #13666
Differential Revision: https://phabricator.haskell.org/D3628
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This both says what we mean and silences a bunch of spurious CPP linting
warnings. This pragma is supported by all CPP implementations which we
support.
Reviewers: austin, erikd, simonmar, hvr
Reviewed By: simonmar
Subscribers: rwbarton, thomie
Differential Revision: https://phabricator.haskell.org/D3482
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In Windows 10 Insiders build 15019+ which will probably be released
mainstream somewhere this year Microsoft seems to have started being
stricter with API calls.
The call to `FreeConsole` just after `CreateProcess` is making Windows
treat the process
as an interactive process. In which case it tries to use the `Desktop
session` but fails resulting
in the cryptic error reported.
I don't understand why the call to `FreeConsole` was there and it
doesn't seem to be needed,
so removed.
This fixes #13411
Test Plan: ./validate, alternative just do anything with ghc which
requires compilation.
Reviewers: austin, bgamari, simonmar
Reviewed By: bgamari
Subscribers: rwbarton, thomie, #ghc_windows_task_force
Differential Revision: https://phabricator.haskell.org/D3319
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Before, we detecting the presence of MinTTY on Windows in a very
imprecise way: by checking if the `_` environment variable was set. Not
only is this easy to circumvent, but it also yields false positives on
terminals like ConEmu.
This changes the test to use the `GetFileInformationByHandleEx` function
instead, which provides a far more accurate check for MinTTY's presence.
I've tested this on PowerShell, MSYS2, Cygwin, ConEmu, and Git Bash, and
it does the right thing on each one.
Fixes #12958.
Test Plan: Run GHCi on many different Windows and MinTTY consoles
Reviewers: erikd, Phyx, austin, bgamari
Reviewed By: Phyx, bgamari
Subscribers: thomie, #ghc_windows_task_force
Differential Revision: https://phabricator.haskell.org/D2878
GHC Trac Issues: #12958
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This adds a flag -split-sections that does similar things to
-split-objs, but using sections in single object files instead of
relying on the Satanic Splitter and other abominations. This is very
similar to the GCC flags -ffunction-sections and -fdata-sections.
The --gc-sections linker flag, which allows unused sections to actually
be removed, is added to all link commands (if the linker supports it) so
that space savings from having base compiled with sections can be
realized.
Supported both in LLVM and the native code-gen, in theory for all
architectures, but really tested on x86 only.
In the GHC build, a new SplitSections variable enables -split-sections
for relevant parts of the build.
Test Plan: validate with both settings of SplitSections
Reviewers: dterei, Phyx, austin, simonmar, thomie, bgamari
Reviewed By: simonmar, thomie, bgamari
Subscribers: hsyl20, erikd, kgardas, thomie
Differential Revision: https://phabricator.haskell.org/D1242
GHC Trac Issues: #8405
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This reverts commit 35672072b4091d6f0031417bc160c568f22d0469.
Conflicts:
compiler/main/DriverPipeline.hs
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Summary:
In preparation for indirecting all references to closures,
we rename _closure to _static_closure to ensure any old code
will get an undefined symbol error. In order to reference
a closure foobar_closure (which is now undefined), you should instead
use STATIC_CLOSURE(foobar). For convenience, a number of these
old identifiers are macro'd.
Across C-- and C (Windows and otherwise), there were differing
conventions on whether or not foobar_closure or &foobar_closure
was the address of the closure. Now, all foobar_closure references
are addresses, and no & is necessary.
CHARLIKE/INTLIKE were not changed, simply alpha-renamed.
Part of remove HEAP_ALLOCED patch set (#8199)
Depends on D265
Signed-off-by: Edward Z. Yang <ezyang@mit.edu>
Test Plan: validate
Reviewers: simonmar, austin
Subscribers: simonmar, ezyang, carter, thomie
Differential Revision: https://phabricator.haskell.org/D267
GHC Trac Issues: #8199
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We need different paths in the wrapper, as teh installed tree is a
different shape to the build tree.
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This is particularly important as without it validate fails, as it
tries to pass RTS options to haddock, and with the default RTS config
those options aren't permitted.
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Dynamic GHC is now working in-place, but pathologically slow due
to the DLL split.
(GHC assumes that all intra-package calls are in the same DLL, but that
isn't true when we split the GHC package into 2 DLLs. That means that
GHC's startup time is around 22 seconds, as it is doing run-time
linking).
Also, ghci isn't actually working yet:
$ inplace/bin/ghc-stage2 --interactive
GHCi, version 7.7.20130512: http://www.haskell.org/ghc/ :? for help
Loading package ghc-prim ... <command line>: can't load .so/.DLL for:
HSghc-prim-0.3.1.0.dll (addDLL: could not load DLL)
ghc-stage2.exe: HSghc-prim-0.3.1.0: The specified module could not be
found.
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Caught by -Werror
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