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* Relocatable GHCMoritz Angermann2017-11-181-0/+21
| | | | | | | | | | | | | | GHC and the binary distribution that's produced is not relocatable outside of Windows. This diff tries to address this for at least Linux and macOS. Reviewers: austin, hvr, bgamari, erikd, goldfire, Phyx Reviewed By: bgamari Subscribers: duog, rwbarton, thomie, erikd Differential Revision: https://phabricator.haskell.org/D4121
* Adds -ghc-version flag to ghc.Moritz Angermann2017-11-182-3/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: When building the rts with ghc (e.g. using ghc as a c compiler), ghc's "Value Add"[1] is, it includes adding `-include /path/to/ghcversion.h`. For this it looksup the rts package in the package database, which--if empty--fails. Thus to allow compiling C files with GHC, we add the `-ghc-version` flag, which takes the path to the `ghcversion.h` file. A `-no-ghc-version` flag was omitted, as at that point it becomes questionable why one would use ghc to compile c if one doesn't any of the added value. -- [1] from `compiler/main/DriverPipeline.hs` > -- add package include paths even if we're just compiling .c > -- files; this is the Value Add(TM) that using ghc instead of > -- gcc gives you :) Reviewers: bgamari, geekosaur, austin Reviewed By: bgamari Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D4135
* Allow the rts lib to be called rts-1.0Moritz Angermann2017-11-151-0/+12
| | | | | | | | | | Reviewers: bgamari, simonmar Reviewed By: bgamari Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D4187
* Add dump flag for timing outputBen Gamari2017-11-152-9/+21
| | | | | | | | | | | This allows you to use `-ddump-to-file -ddump-timings` for more useful dump output. Test Plan: Try it Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D4195
* StaticPointers: Clarify documentationFacundo Domínguez2017-11-151-3/+3
| | | | | | | | | | | | | | | * Document requirement to use the same binaries. * Fix some code comments. Test Plan: ./validate Reviewers: bgamari, mboes, hvr Reviewed By: bgamari, mboes Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D4172
* Add new mbmi and mbmi2 compiler flagsJohn Ky2017-11-151-0/+27
| | | | | | | | | | | | | | | | | This adds support for the bit deposit and extraction operations provided by the BMI and BMI2 instruction set extensions on modern amd64 machines. Test Plan: Validate Reviewers: austin, simonmar, bgamari, hvr, goldfire, erikd Reviewed By: bgamari Subscribers: goldfire, erikd, trommler, newhoggy, rwbarton, thomie GHC Trac Issues: #14206 Differential Revision: https://phabricator.haskell.org/D4063
* WIP on combined Step 1 and 3 for Trees That Grow, HsExprAlan Zimmerman2017-11-111-1/+1
| | | | | | | | | | | | | | | | | See https://ghc.haskell.org/trac/ghc/wiki/ImplementingTreesThatGrow Trees that grow extension points are added for - HsExpr Updates haddock submodule Test Plan: ./validate Reviewers: bgamari, goldfire Subscribers: rwbarton, thomie, shayan-najd, mpickering Differential Revision: https://phabricator.haskell.org/D4177
* WIP on Doing a combined Step 1 and 3 for Trees That GrowAlan Zimmerman2017-11-082-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | See https://ghc.haskell.org/trac/ghc/wiki/ImplementingTreesThatGrow Trees that grow extension points are added for - ValBinds - HsPat - HsLit - HsOverLit - HsType - HsTyVarBndr - HsAppType - FieldOcc - AmbiguousFieldOcc Updates haddock submodule Test Plan: ./validate Reviewers: shayan-najd, simonpj, austin, goldfire, bgamari Subscribers: goldfire, rwbarton, thomie, mpickering Differential Revision: https://phabricator.haskell.org/D4147
* Revert "WIP on combining Step 1 and 3 of Trees That Grow"Ben Gamari2017-11-072-3/+2
| | | | | | | | This reverts commit 0ff152c9e633accca48815e26e59d1af1fe44ceb. Sadly this broke when bootstrapping with 8.0.2 due to #14396. Reverts haddock submodule.
* WIP on combining Step 1 and 3 of Trees That GrowAlan Zimmerman2017-11-072-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | See https://ghc.haskell.org/trac/ghc/wiki/ImplementingTreesThatGrow Trees that grow extension points are added for - ValBinds - HsPat - HsLit - HsOverLit - HsType - HsTyVarBndr - HsAppType - FieldOcc - AmbiguousFieldOcc Updates haddock submodule Test Plan: ./validate Reviewers: shayan-najd, simonpj, austin, goldfire, bgamari Subscribers: goldfire, rwbarton, thomie, mpickering Differential Revision: https://phabricator.haskell.org/D4147
* DynFlags: Introduce -show-mods-loaded flagBen Gamari2017-11-061-0/+2
| | | | | | | | | | | | | | | | | | | This flag reintroduces the verbose module name output produced by GHCi's :load command behind a new flag, -show-mods-loaded. This was originally removed in D3651 but apparently some tools (e.g. haskell-mode) rely on this output. Addresses #14427. Test Plan: Validate Reviewers: svenpanne Reviewed By: svenpanne Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D4164
* llvmGen: Pass vector arguments in vector registers by defaultBen Gamari2017-11-021-2/+3
| | | | | | | | | | | | | | | Earlier this year Edward Kmett requested [1] that we enable passing of vector values in vector registers by default. The GHC calling convention changes have been in LLVM for a number of years now so let's just flip the switch. [1] https://mail.haskell.org/pipermail/ghc-devs/2017-March/013905.html Reviewers: austin Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D4142
* Introduce -dsuppress-stg-free-vars flagBen Gamari2017-11-021-0/+3
| | | | | | | | | | | | | | This breaks out control over STG free variable list output from -dppr-debug into its own distinct flag. This makes it more discoverable and easier to change independently from other dump output. Test Plan: Validate Reviewers: austin Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D4140
* Implement the basics of hex floating point literalsIavor Diatchki2017-11-021-0/+1
| | | | | | | | | | | | | | | | | | | | | | | Implement hexadecmial floating point literals. The digits of the mantissa are hexadecimal. The exponent is written in base 10, and the base for the exponentiation is 2. Hexadecimal literals look a lot like ordinary decimal literals, except that they use hexadecmial digits, and the exponent is written using `p` rather than `e`. The specification of the feature is available here: https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0004-hexFloats.rst For a discussion of the various choices: https://github.com/ghc-proposals/ghc-proposals/pull/37 Reviewers: mpickering, goldfire, austin, bgamari, hvr Reviewed By: bgamari Subscribers: mpickering, thomie Differential Revision: https://phabricator.haskell.org/D3066
* Implement the EmptyDataDeriving proposalRyan Scott2017-11-022-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | This implements the `EmptyDataDeriving` proposal put forth in https://github.com/ghc-proposals/ghc-proposals/blob/dbf51608/proposals/0006-deriving-empty.rst. This has two major changes: * The introduction of an `EmptyDataDeriving` extension, which permits directly deriving `Eq`, `Ord`, `Read`, and `Show` instances for empty data types. * An overhaul in the code that is emitted in derived instances for empty data types. To see an overview of the changes brought forth, refer to the changes to the 8.4.1 release notes. Test Plan: ./validate Reviewers: bgamari, dfeuer, austin, hvr, goldfire Reviewed By: bgamari Subscribers: rwbarton, thomie GHC Trac Issues: #7401, #10577, #13117 Differential Revision: https://phabricator.haskell.org/D4047
* Typofixes in commentsGabor Greif2017-10-302-2/+2
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* Allow packing constructor fieldsMichal Terepeta2017-10-291-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is another step for fixing #13825 and is based on D38 by Simon Marlow. The change allows storing multiple constructor fields within the same word. This currently applies only to `Float`s, e.g., ``` data Foo = Foo {-# UNPACK #-} !Float {-# UNPACK #-} !Float ``` on 64-bit arch, will now store both fields within the same constructor word. For `WordX/IntX` we'll need to introduce new primop types. Main changes: - We now use sizes in bytes when we compute the offsets for constructor fields in `StgCmmLayout` and introduce padding if necessary (word-sized fields are still word-aligned) - `ByteCodeGen` had to be updated to correctly construct the data types. This required some new bytecode instructions to allow pushing things that are not full words onto the stack (and updating `Interpreter.c`). Note that we only use the packed stuff when constructing data types (i.e., for `PACK`), in all other cases the behavior should not change. - `RtClosureInspect` was changed to handle the new layout when extracting subterms. This seems to be used by things like `:print`. I've also added a test for this. - I deviated slightly from Simon's approach and use `PrimRep` instead of `ArgRep` for computing the size of fields. This seemed more natural and in the future we'll probably want to introduce new primitive types (e.g., `Int8#`) and `PrimRep` seems like a better place to do that (where we already have `Int64Rep` for example). `ArgRep` on the other hand seems to be more focused on calling functions. Signed-off-by: Michal Terepeta <michal.terepeta@gmail.com> Test Plan: ./validate Reviewers: bgamari, simonmar, austin, hvr, goldfire, erikd Reviewed By: bgamari Subscribers: maoe, rwbarton, thomie GHC Trac Issues: #13825 Differential Revision: https://phabricator.haskell.org/D3809
* Add -falignment-sanitization flagBen Gamari2017-10-291-0/+2
| | | | | | | | | | | | | | | | | | | Here we add a flag to instruct the native code generator to add alignment checks in all info table dereferences. This is helpful in catching pointer tagging issues. Thanks to @jrtc27 for uncovering the tagging issues on Sparc which inspired this flag. Test Plan: Validate Reviewers: simonmar, austin, erikd Reviewed By: simonmar Subscribers: rwbarton, trofi, thomie, jrtc27 Differential Revision: https://phabricator.haskell.org/D4101
* Implement a dedicated exitfication pass #14152Joachim Breitner2017-10-291-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The idea is described in #14152, and can be summarized: Float the exit path out of a joinrec, so that the simplifier can do more with it. See the test case for a nice example. The floating goes against what the simplifier usually does, hence we need to be careful not inline them back. The position of exitification in the pipeline was chosen after a small amount of experimentation, but may need to be improved. For example, exitification can allow rewrite rules to fire, but for that it would have to happen before the `simpl_phases`. Perf.haskell.org reports these nice performance wins: Nofib allocations fannkuch-redux 78446640 - 99.92% 64560 k-nucleotide 109466384 - 91.32% 9502040 simple 72424696 - 5.96% 68109560 Nofib instruction counts fannkuch-redux 1744331636 - 3.86% 1676999519 k-nucleotide 2318221965 - 6.30% 2172067260 scs 1978470869 - 3.35% 1912263779 simple 669858104 - 3.38% 647206739 spectral-norm 186423292 - 5.37% 176411536 Differential Revision: https://phabricator.haskell.org/D3903
* Implement `-Wpartial-fields` warning (#7169)Daishi Nakajima2017-10-251-1/+3
| | | | | | | | | | | | | | | | | Warning on declaring a partial record selector. However, disable warn with field names that start with underscore. Test Plan: Added 1 test case. Reviewers: austin, bgamari, simonpj Reviewed By: bgamari, simonpj Subscribers: goldfire, simonpj, duog, rwbarton, thomie GHC Trac Issues: #7169 Differential Revision: https://phabricator.haskell.org/D4083
* Split SysTools up someTamar Christina2017-10-106-1078/+1195
| | | | | | | | | | | | | | | | | Summary: SysTools and DriverTools have an annoying mutual dependency. They also each contain pieces of the linker. In order for changes to be shared between the library and the exe linking code this dependency needs to be broken in order to avoid using hs-boot files. Reviewers: austin, bgamari, erikd Reviewed By: bgamari Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D4071
* Don't pass HscEnv to functions in the Hsc monadDouglas Wilson2017-10-031-45/+53
| | | | | | | | | | | | | | | | | | | | `Hsc` is a reader monad in `HscEnv`. Several functions in HscMain were taking parameters of type `HscEnv` or `DynFlags`, and returning values of type `Hsc a`. This patch removes those parameters in favour of asking them from the context. This removes a source of confusion and should make refactoring a bit easier. Test Plan: ./validate Reviewers: austin, bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D4061
* Include libraries which fill holes as deps when linking.Edward Z. Yang2017-10-031-1/+3
| | | | | | | | | | | | | | | | | | | Fixes the issue reported at https://github.com/haskell/cabal/issues/4755 and fixes #14304 in the GHC tracker. Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu> Test Plan: validate Reviewers: bgamari, austin, goldfire Reviewed By: bgamari Subscribers: rwbarton, thomie GHC Trac Issues: #14304 Differential Revision: https://phabricator.haskell.org/D4057
* A bunch of typofixesGabor Greif2017-09-263-6/+6
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* Implement TH addCorePlugin.Facundo Domínguez2017-09-213-11/+23
| | | | | | | | | | | | | | | | | | | | | This allows template-haskell code to add plugins to the compilation pipeline. Otherwise, the user would have to pass -fplugin=... to ghc. For now, plugin modules in the current package can't be used. This is because when TH runs, it is too late to let GHC know that the plugin modules needed to be compiled first. Test Plan: ./validate Reviewers: simonpj, bgamari, austin, goldfire Reviewed By: bgamari Subscribers: angerman, rwbarton, mboes, thomie GHC Trac Issues: #13608 Differential Revision: https://phabricator.haskell.org/D3821
* Fix Windows build regression due to GhcPrelude changeBen Gamari2017-09-191-1/+2
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* compiler: introduce custom "GhcPrelude" PreludeHerbert Valerio Riedel2017-09-1938-3/+73
| | | | | | | | | | | | | | | | | | This switches the compiler/ component to get compiled with -XNoImplicitPrelude and a `import GhcPrelude` is inserted in all modules. This is motivated by the upcoming "Prelude" re-export of `Semigroup((<>))` which would cause lots of name clashes in every modulewhich imports also `Outputable` Reviewers: austin, goldfire, bgamari, alanz, simonmar Reviewed By: bgamari Subscribers: goldfire, rwbarton, thomie, mpickering, bgamari Differential Revision: https://phabricator.haskell.org/D3989
* Remove redundant/obsolete CPP usageHerbert Valerio Riedel2017-09-191-2/+0
| | | | | This `#if 0`/`#endif` block has been around for over 10 years and it became truly redundant in 36104d7a0d66df895c8275e3aa7cfe35a322ff04
* Option "-ddump-rn-ast" dumps imports and exports tooAlan Zimmerman2017-09-131-6/+28
| | | | | | | | | | | | | | | | | | Summary: Previously the renamed source decls only were dumped, now the imports, exports and doc_hdr are too. Test Plan: ./validate Reviewers: bgamari, austin Reviewed By: bgamari Subscribers: rwbarton, thomie GHC Trac Issues: #14197 Differential Revision: https://phabricator.haskell.org/D3949
* Use ar for -staticlibMoritz Angermann2017-09-136-22/+394
| | | | | | | | | | | | | | | | Hopefully we can get rid of libtool, by using ar only Depends on: D3579 Test Plan: validate Reviewers: austin, hvr, bgamari, erikd Reviewed By: bgamari Subscribers: rwbarton, thomie, erikd Differential Revision: https://phabricator.haskell.org/D3721
* DriverMkDepend: Kill redundant importBen Gamari2017-09-131-1/+0
| | | | | | | | Reviewers: austin Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3941
* Drop special handling of iOS and AndroidMoritz Angermann2017-09-073-6/+2
| | | | | | | | | | | | | | | As far as GHC is concerned, iOS **is** Darwin, and Android **is** Linux. Depends on D3352 Reviewers: austin, hvr, bgamari Reviewed By: bgamari Subscribers: Ericson2314, ryantrinkle, rwbarton, thomie, erikd Differential Revision: https://phabricator.haskell.org/D3579
* Clean up opt and llcMoritz Angermann2017-09-064-102/+195
| | | | | | | | | | | | | | | | | | | | | The LLVM backend shells out to LLVMs `opt` and `llc` tools. This clean up introduces a shared data structure to carry the arguments we pass to each tool so that corresponding flags are next to each other. It drops the hard coded data layouts in favor of using `-mtriple` and have LLVM infer them. Furthermore we add `clang` as a proper tool, so we don't rely on assuming that `clang` is called `clang` on the `PATH` when using `clang` as the assembler. Finally this diff also changes the type of `optLevel` from `Int` to `Word`, as we do not have negative optimization levels. Reviewers: erikd, hvr, austin, rwbarton, bgamari, kavon Reviewed By: kavon Subscribers: michalt, Ericson2314, ryantrinkle, dfeuer, carter, simonpj, kavon, simonmar, thomie, erikd, snowleopard Differential Revision: https://phabricator.haskell.org/D3352
* Remember the AvailInfo for each IEalexbiehl2017-09-052-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This is another take on https://phabricator.haskell.org/D3844. This patch removes then need for haddock to reimplement the calculation of exported names from modules. Instead when renaming export lists ghc annotates each IE with its exported names. Haddocks current export logic has caused lots of trouble in the past (on the Github issue tracker): - https://github.com/haskell/haddock/issues/121 - https://github.com/haskell/haddock/issues/174 - https://github.com/haskell/haddock/issues/225 - https://github.com/haskell/haddock/issues/344 - https://github.com/haskell/haddock/issues/584 - https://github.com/haskell/haddock/issues/591 - https://github.com/haskell/haddock/issues/597 Updates haddock submodule. Reviewers: austin, bgamari, ezyang Reviewed By: bgamari, ezyang Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3864
* Add missing Semigroup instances to compilerHerbert Valerio Riedel2017-08-311-16/+13
| | | | | This is a pre-requisite for implementing the Semigroup/Monoid proposal. The instances have been introduced in a way to minimise warnings.
* Fix decomposition error on WindowsTamar Christina2017-08-291-2/+11
| | | | | | | | | | | | | | | | | | | Summary: Fix the path decomposition error that occurs when the Symlink resolver fails. `Win32.try` throws an exception, so catch it and assume the path isn't a symlink to use the old behavior. Test Plan: ./validate Reviewers: austin, bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie GHC Trac Issues: #14159 Differential Revision: https://phabricator.haskell.org/D3891
* Remove dll-split.Tamar Christina2017-08-293-43/+17
| | | | | | | | | | | | | | | | | | | | This patch removes dll-split from the code base, the reason is dll-split no longer makes any sense. It was designed to split a dll in two, but we now already have many more symbols than would fit inside two dlls. So we need a third one. This means there's no point in having to maintain this list as it'll never work anyway and the solution isn't scalable. Test Plan: ./validate Reviewers: austin, bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie, #ghc_windows_task_force GHC Trac Issues: #5987 Differential Revision: https://phabricator.haskell.org/D3882
* Make parsed AST dump output lazilyDavid Feuer2017-08-281-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | Previously, `showAstData` produced a `String`. That `String` would then be converted to a `Doc` using `text` to implement `-ddump-parsed-ast`. But rendering `text` calculates the length of the `String` before doing anything else. Since the AST can be very large, this was bad: the whole dump string (potentially hundreds of millions of `Char`s) was accumulated in memory. Now, `showAstData` produces a `Doc` directly, which seems to work a lot better. As an extra bonus, the code is simpler and cleaner. The formatting has changed a bit, as the previous ad hoc approach didn't really match the pretty printer too well. If someone cares enough to request adjustments, we can surely make them. Reviewers: austin, bgamari, mpickering, alanz Reviewed By: bgamari Subscribers: mpickering, rwbarton, thomie GHC Trac Issues: #14161 Differential Revision: https://phabricator.haskell.org/D3894
* Rip out mkUserGuidePartBen Gamari2017-08-251-12/+4
| | | | | | | | Reviewers: austin, hvr Subscribers: rwbarton, thomie, erikd Differential Revision: https://phabricator.haskell.org/D3886
* Add support for producing position-independent executablesBen Gamari2017-08-223-23/+41
| | | | | | | | | | | | | | | | Previously due to #12759 we disabled PIE support entirely. However, this breaks the user's ability to produce PIEs. Add an explicit flag, -fPIE, allowing the user to build PIEs. Test Plan: Validate Reviewers: rwbarton, austin, simonmar Subscribers: trommler, simonmar, trofi, jrtc27, thomie GHC Trac Issues: #12759, #13702 Differential Revision: https://phabricator.haskell.org/D3589
* DynFlags: Add inverse of -dno-debug-outputBen Gamari2017-08-221-0/+2
| | | | | | | | | | Reviewers: austin Subscribers: rwbarton, thomie GHC Trac Issues: #14142 Differential Revision: https://phabricator.haskell.org/D3876
* Fix incorrect retypecheck loop in -j (#14075)Edward Z. Yang2017-08-221-2/+48
| | | | | | | | | | | | | | | | | | | | | | | | The parallel codepath was incorrectly retypechecking the hs-boot ModIface prior to typechecking the hs file, which was inconsistent with the non-parallel case. The non-parallel case gets it right: you don't want to retypecheck the hs-boot file itself (forwarding its declarations to hs) because you need it to be consistently knot-tied with itself when you compare the interfaces. Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu> Test Plan: validate Reviewers: bgamari, simonpj, austin Reviewed By: bgamari Subscribers: duog, rwbarton, thomie GHC Trac Issues: #14075 Differential Revision: https://phabricator.haskell.org/D3815
* users_guide: Convert mkUserGuidePart generation to a Sphinx extensionPatrick Dougherty2017-08-181-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This removes all dependencies the users guide had on `mkUserGuidePart`. The generation of the flag reference table and the various pieces of the man page is now entirely contained within the Spinx extension `flags.py`. You can see the man page generation on the orphan page https://downloads.haskell.org/~ghc/latest/docs/html/users_guide/ghc.html The extension works by collecting all of the meta-data attached to the `ghc-flag` directives and then formatting and displaying it at `flag-print` directives. There is a single printing directive that can be customized with two options, what format to display (table, list, or block of flags) and an optional category to limit the output to (verbosity, warnings, codegen, etc.). New display formats can be added by creating a function `generate_flag_xxx` (where `xxx` is a description of the format) which takes a list of flags and a category and returns a new `xxx`. Then just add a reference in the dispatch table `handlers`. That display can now be run by passing `:type: xxx` to the `flag-print` directive. `flags.py` contains two maps of settings that can be adjusted. The first is a canonical list of flag categories, and the second sets default categories for files. The only functionality that Sphinx could not replace was the `what_glasgow_exts_does.gen.rst` file. `mkUserGuidePart` actually just reads the list of flags from `compiler/main/DynFlags.hs` which Sphinx cannot do. As the flag is deprecated, I added the list as a static file which can be updated manually. Additionally, this patch updates every single documented flag with the data from `mkUserGuidePart` to generate the reference table. Fixes #11654 and, incidentally, #12155. Reviewers: austin, bgamari Subscribers: rwbarton, thomie GHC Trac Issues: #11654, #12155 Differential Revision: https://phabricator.haskell.org/D3839
* Recognize FreeBSD compiler as Clang.Gleb Popov2017-08-141-0/+3
| | | | | | | | | | Reviewers: austin, bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3840
* Drop GHC 7.10 compatibilityRyan Scott2017-08-012-10/+0
| | | | | | | | | | | | | | | | GHC 8.2.1 is out, so now GHC's support window only extends back to GHC 8.0. This means we can delete gobs of code that was only used for GHC 7.10 support. Hooray! Test Plan: ./validate Reviewers: hvr, bgamari, austin, goldfire, simonmar Reviewed By: bgamari Subscribers: Phyx, rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D3781
* Add rtsopts ignore and ignoreAll.Andreas Klebinger2017-07-281-1/+7
| | | | | | | | | | | | | | | | | | | | | These ignore commandline arguments for ignore and commandline as well as GHCRTS arguments for ignoreAll. Passing RTS flags given on the command line along to the program by simply skipping processing of these flags by the RTS. This fixes #12870. Test Plan: ./validate Reviewers: austin, hvr, bgamari, erikd, simonmar Reviewed By: simonmar Subscribers: Phyx, rwbarton, thomie GHC Trac Issues: #12870 Differential Revision: https://phabricator.haskell.org/D3740
* Ensure that we always link against libmBen Gamari2017-07-282-0/+15
| | | | | | | | | | | | | | | ld.gold is particularly picky that we declare all of our link dependencies on Nix. See #14022. Test Plan: Validate on Nix Reviewers: austin Subscribers: hvr, rwbarton, thomie GHC Trac Issues: #14022 Differential Revision: https://phabricator.haskell.org/D3787
* Remove unneeded importGabor Greif2017-07-271-1/+0
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* Expose FrontendPluginActionMatthew Pickering2017-07-251-1/+1
| | | | It is mentioned in the API but not exported.
* Use libpthread instead of libthr on FreeBSDBen Gamari2017-07-241-5/+1
| | | | | | | | | | | | | | | | | | | Since #847 we have used libthr due to reported hangs with FreeBSD's KSE-based M:N pthread implementation. However, this was nearly 12 years ago and today libpthread seems to work fine. Moreover, adding -lthr to the linker flags break when used in conjunction with -r when gold is used (since -l and -r are incompatible although BFD ld doesn't complain). Test Plan: Validate on FreeBSD Reviewers: kgardas, austin Subscribers: rwbarton, thomie GHC Trac Issues: #847 Differential Revision: https://phabricator.haskell.org/D3773
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