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* Update a comment in base cbitsReid Barton2014-08-201-1/+1
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* genprimopcode: Don't output tabsAustin Seipp2014-08-201-2/+2
| | | | | | | Otherwise the build breaks, because its output is included in tab-free files. See ef9dd9f. Signed-off-by: Austin Seipp <austin@well-typed.com>
* basicTypes: detabify/dewhitespace IdInfoAustin Seipp2014-08-201-155/+148
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* basicTypes: detabify/dewhitespace NameEnvAustin Seipp2014-08-201-46/+38
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* basicTypes: detabify/dewhitespace NameSetAustin Seipp2014-08-201-67/+60
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* basicTypes: detabify/dewhitespace VarAustin Seipp2014-08-201-101/+94
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* hsSyn: detabify/dewhitespace HsLitAustin Seipp2014-08-201-60/+52
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* stranal: detabify/dewhitespace DmdAnalAustin Seipp2014-08-201-302/+301
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* deSugar: detabify/dewhitespace DsCCallAustin Seipp2014-08-201-107/+100
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* coreSyn: detabify/dewhitespace CoreSubstAustin Seipp2014-08-201-219/+212
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* coreSyn: detabify/dewhitespace CoreTidyAustin Seipp2014-08-201-75/+68
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* prelude: detabify/dewhitespace TysPrimAustin Seipp2014-08-201-188/+181
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* simplCore: detabify/dewhitespace LiberateCaseAustin Seipp2014-08-201-128/+120
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* simplCore: detabify/dewhitespace SetLevelsAustin Seipp2014-08-201-272/+264
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* utils: detabify/dewhitespace GraphPprAustin Seipp2014-08-201-136/+128
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* utils: detabify/dewhitespace GraphBaseAustin Seipp2014-08-201-72/+59
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* utils: detabify/dewhitespace BufWriteAustin Seipp2014-08-201-42/+35
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* simplCore: detabify/dewhitespace SATAustin Seipp2014-08-201-62/+54
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* stranal: detabify/dewhitespace WorkWrapAustin Seipp2014-08-201-85/+78
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* coreSyn: detabify/dewhitespace TrieMapAustin Seipp2014-08-201-83/+76
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* Comments fix to Trac #9140Simon Peyton Jones2014-08-201-0/+4
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* Make sure that a prototype is included for 'setIOManagerControlFd'Gabor Greif2014-08-201-0/+1
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* Fix prepositions in the documentation of -rdynamic.Facundo Domínguez2014-08-202-4/+4
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* validate: add simple CPU count autodetectionSergei Trofimovich2014-08-191-5/+27
| | | | | | | | | | | | | | Summary: Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org> Test Plan: ran ./validate on linux Reviewers: austin Reviewed By: austin Subscribers: phaskell, simonmar, relrod, ezyang, carter Differential Revision: https://phabricator.haskell.org/D146
* rts/base: Fix #9423Andreas Voellmy2014-08-199-51/+92
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: Fix #9423. The problem in #9423 is caused when code invoked by `hs_exit()` waits on all foreign calls to return, but some IO managers are in `safe` foreign calls and do not return. The previous design signaled to the timer manager (via its control pipe) that it should "die" and when the timer manager returned to Haskell-land, the Haskell code in timer manager then signalled to the IO manager threads that they should return from foreign calls and `die`. Unfortunately, in the shutdown sequence the timer manager is unable to return to Haskell-land fast enough and so the code that signals to the IO manager threads (via their control pipes) is never executed and the IO manager threads remain out in the foreign calls. This patch solves this problem by having the RTS signal to all the IO manager threads (via their control pipes; and in addition to signalling to the timer manager thread) that they should shutdown (in `ioManagerDie()` in `rts/Signals.c`. To do this, we arrange for each IO manager thread to register its control pipe with the RTS (in `GHC.Thread.startIOManagerThread`). In addition, `GHC.Thread.startTimerManagerThread` registers its control pipe. These are registered via C functions `setTimerManagerControlFd` (in `rts/Signals.c`) and `setIOManagerControlFd` (in `rts/Capability.c`). The IO manager control pipe file descriptors are stored in a new field of the `Capability_ struct`. Test Plan: See the notes on #9423 to recreate the problem and to verify that it no longer occurs with the fix. Auditors: simonmar Reviewers: simonmar, edsko, ezyang, austin Reviewed By: austin Subscribers: phaskell, simonmar, ezyang, carter, relrod Differential Revision: https://phabricator.haskell.org/D129 GHC Trac Issues: #9423, #9284
* travis: Use hvr’s multi-ghc-PPAJoachim Breitner2014-08-191-5/+8
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* Check if file is present instead of directoryThomas Miedema2014-08-191-1/+1
| | | | | | | | | | | | | | | | Fixes #8886. Problem: any `sync-all` command that is run before the first succesfull `sync-all get` would trigger a false warning about an old `time` package being present. Cause: after cloning the ghc repository, the (empty) `libraries/time` directory is already present. Solution: check if the directory actually contains any of the `time` files. I picked the `LICENSE` file, since `boot` does so as well. Signed-off-by: Austin Seipp <austin@well-typed.com>
* Correct checkStrictBinds for generalised typearchblob2014-08-194-2/+22
| | | | | | | | See Trac #9140. Auditors: simonpj Signed-off-by: Austin Seipp <austin@well-typed.com>
* Add test case for #9046Vitaly Bragilevsky2014-08-193-0/+5
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* build: require GHC 7.6 for bootstrappingAustin Seipp2014-08-195-44/+4
| | | | | | | | | | | | | | | | | | | | | | Summary: Per the usual standards, a build of GHC is only compileable by the last two releases (e.g. 7.8 only by 7.4 and 7.6). To make sure we don't get suckered into supporting older compilers, let's remove this support now. Signed-off-by: Austin Seipp <austin@well-typed.com> Test Plan: Try to bootstrap with GHC 7.4, watch it fail. Bootstrap with 7.6 or better, and everything works. Reviewers: hvr Reviewed By: hvr Subscribers: simonmar, ezyang, carter Differential Revision: https://phabricator.haskell.org/D167
* Mention that `Data.Ix` uses row-major indexingAlexander Berntsen2014-08-191-1/+1
| | | | | | | This addresses Trac #8712 by simply mentioning row-major indexing, thereby removing any ambiguity. Signed-off-by: Austin Seipp <austin@well-typed.com>
* Explain how to clone GitHub forks. Ticket #8379.Thomas Miedema2014-08-191-7/+9
| | | | | | | This information is mirrored at: http://ghc.haskell.org/trac/ghc/wiki/Building/GettingTheSources#GettingaGHCrepositoryfromGitHub Signed-off-by: Austin Seipp <austin@well-typed.com>
* Use absolute links to Cabal docs from the GHC users guide (#9154)Bob Ippolito2014-08-191-2/+2
| | | | Signed-off-by: Austin Seipp <austin@well-typed.com>
* includes/stg/Prim.h: add matching 'hs_atomic_*' prototypesSergei Trofimovich2014-08-191-0/+38
| | | | | | Fixes implicit function declarations in C codegen. Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
* This note's name has been fixedGabor Greif2014-08-191-1/+1
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* Have the RTS linker search symbols in the originating windows binary.Facundo Domínguez2014-08-182-9/+15
| | | | | | | | | | | | | | | | Summary: In initLinker, this patch adds the handle of the module corresponding to the program binary to the list of DLL handles that lookupSymbol uses to search for symbols. Test Plan: validate Reviewers: simonmar, austin Reviewed By: simonmar, austin Subscribers: phaskell, simonmar, relrod, ezyang, carter Differential Revision: https://phabricator.haskell.org/D103 GHC Trac Issues: #9382
* Implement -rdynamic in Linux and Windows/MinGW32.Facundo Domínguez2014-08-186-1/+79
| | | | | | | | | | | | | | | | | | Summary: In Linux, it is a synonym for -optl -rdynamic. In Windows, it is a synonym for -optl -export-all-symbols. Test Plan: validate Reviewers: simonmar, austin Reviewed By: simonmar, austin Subscribers: mboes, phaskell, simonmar, relrod, ezyang, carter Differential Revision: https://phabricator.haskell.org/D102 GHC Trac Issues: #9381
* UNREG: fix PackageKey emission into .hc filesSergei Trofimovich2014-08-181-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: Fixes ./configure --unable-unregisterised build failure: HC [stage 1] (one of the first calls) ... <command line>: unknown package: transformers-0.4.1.0 The reason of bug is how UNREG build stores package information in .hc files: compiler/main/CodeOutput.lhs generates first line as /* GHC_PACKAGES pkg-name-ver1 pkg-name-ver2 ... while DriverPipeline.hs (getHCFilePackages) expects /* GHC_PACKAGES pkg-key1 pkg-key2 ... Fix it by emitting ghc's PackageKey in CodeOutput Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org> Test Plan: build-tested on ./configure --enable-unregistersied Reviewers: simonmar, ezyang, austin Reviewed By: ezyang, austin Subscribers: simonmar, ezyang, carter Differential Revision: https://phabricator.haskell.org/D164
* Bug #9439: Ensure that stage 0 compiler isn't affectedBen Gamari2014-08-183-0/+60
| | | | | | | | | | | | | | | | Summary: Bug #9439 will cause miscompilation of GHC's LLVM backend. Here we ensure that an affected compiler isn't used to bootstrap. Test Plan: Attempt to bootstrap GHC with an affected stage 0 compiler. Reviewers: rwbarton, austin Reviewed By: austin Subscribers: simonmar, relrod, ezyang, carter Differential Revision: https://phabricator.haskell.org/D159
* Make Prelude.signum handle -0.0 correctly (#7858)Alexander Berntsen2014-08-182-7/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: Make the `Float` and `Double` implementations of `signum` handle -0.0 correctly per IEEE-754. This, together with "Make Prelude.abs handle -0.0 correctly (#7858)", fixes Trac #7858. Depends on D145 Signed-off-by: Alexander Berntsen <alexander@plaimi.net> Test Plan: signum of (-0.0) should be (-0.0) not 0.0. Test program: main = putStrLn $ p ++ " " ++ n where f = show . signum p = f (-0.0 :: Double) n = f (0.0 :: Double) Reviewers: ekmett, hvr, rwbarton, austin Reviewed By: austin Subscribers: phaskell, simonmar, relrod, ezyang, carter Differential Revision: https://phabricator.haskell.org/D148 GHC Trac Issues: #7858
* Make Prelude.abs handle -0.0 correctly (#7858)Alexander Berntsen2014-08-182-4/+8
| | | | | | | | | | | | | | | | | | | | | | | Summary: Make the `Float` and `Double` implementations of `abs` handle -0.0 correctly per IEEE-754. abs (-0.0::Float) and abs (-0.0::Double) previously returned -0.0, when they should return 0.0. This patch fixes this. Signed-off-by: Alexander Berntsen <alexander@plaimi.net> Test Plan: abs (-0.0::Double) should = 0.0 instead of (-0.0) Reviewers: ekmett, hvr, austin, rwbarton Reviewed By: austin, rwbarton Subscribers: phaskell, trofi, simonmar, relrod, ezyang, carter Differential Revision: https://phabricator.haskell.org/D145 GHC Trac Issues: #7858
* testsuite/T9379: Use GHC.Conc instead of Control.Concurrent.STMBen Gamari2014-08-181-1/+3
| | | | | | | | | | | | | | | | | | Summary: `GHC.Conc` provides almost everything we need. Signed-off-by: Ben Gamari <bgamari.foss@gmail.com> Test Plan: make test TEST=T9379 Reviewers: austin, simonmar Reviewed By: austin, simonmar Subscribers: phaskell, simonmar, relrod, ezyang, carter Differential Revision: https://phabricator.haskell.org/D152
* Fix three problems with occurrence analysis on case alternatives.Andrew Farmer2014-08-181-21/+32
| | | | | | | | | | | | | | | | | | | | | Summary: 1. Respect condition (a) in Note [Binder swap] 2. Respect condition (b) in Note [Binder swap] 3. Return usage of any coercion variables in binder swap Fixes T9440 Test Plan: See #9440 Reviewers: simonpj, austin Reviewed By: simonpj, austin Subscribers: simonpj, simonmar, relrod, ezyang, carter Differential Revision: https://phabricator.haskell.org/D156 GHC Trac Issues: #9440
* concurrent/should_run/throwto002: DoRec -> RecursiveDoBen Gamari2014-08-181-1/+1
| | | | | | | | | | | | | | Summary: Test case used old extension name; update it. Test Plan: validate Reviewers: austin Reviewed By: austin Subscribers: simonmar, relrod, ezyang, carter Differential Revision: https://phabricator.haskell.org/D161
* ghci/scripts/ghci016: Add implementation for negateBen Gamari2014-08-181-0/+1
| | | | | | | | | | | | | | Summary: This previously produced a warning Test Plan: validate Reviewers: austin Reviewed By: austin Subscribers: simonmar, relrod, ezyang, carter Differential Revision: https://phabricator.haskell.org/D162
* Make T8832 operative on 32-bit systems (#8832)Reid Barton2014-08-184-3/+16
| | | | (Also, the 'extra_clean' was unnecessary.)
* Update list of flags implied by -XGADTs in User's Guide section on GADTsReid Barton2014-08-181-1/+2
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* Fix broken link in Data.Data to SYB home page (Trac #9455)Simon Peyton Jones2014-08-181-9/+9
| | | | | Ralf Laemmel's page has disappeared, so I made it point to the Haskell Wiki page instead.
* Fix quasi-quoter documentation (#9448)Sergey Vinokurov2014-08-181-2/+2
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* workaround Solaris 11 GNU C CPP issue by using GNU C 3.4 as CPPKarel Gardas2014-08-173-112/+102
| | | | | | | | | | | | | | | | | | | | | | | Summary: Solaris 11 distributed GNU C 4.5.x is configured in a way that its CPP is not working well while invoked from GHC. GHC runs it with -x assembler-with-cpp and in this particular configuration GNU C CPP does not provide any line-markers so GHC's output of errors or warnings is confusing since it points to preprocessed file in /tmp and not to the original Haskell file. Fortunately old GNU C 3.4.x is still provided by the OS and when installed it'll be used automatically as GHC CPP which is whole logic of this patch. So although we use modern GCC as a C compiler and assembler we use old GCC as a C preprocessor. Test Plan: validate Reviewers: austin Reviewed By: austin Subscribers: phaskell, simonmar, relrod, ezyang, carter Differential Revision: https://phabricator.haskell.org/D151
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