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* Modules (#13009)Sylvain Henry2020-04-181-137/+0
| | | | | | | | | | | | | | * SysTools * Parser * GHC.Builtin * GHC.Iface.Recomp * Settings Update Haddock submodule Metric Decrease: Naperian parsing001
* Add tryFindTopDir to look for the top dir without blowing up if it isJohn Ericson2019-10-041-11/+17
| | | | not found.
* ghc-pkg needs settings file to un-hardcode target platformJohn Ericson2019-06-191-16/+0
| | | | This matches GHC itself getting the target platform from there.
* Factor out 'getLibDir' / 'getBaseDir' into a new GHC.BaseDir ghc-boot moduleJohn Ericson2019-06-071-40/+3
| | | | | | | | | | | | | | ghc-pkg and ghc already both needed this. I figure it is better to deduplicate, especially seeing that changes to one (FreeBSD CPP) didn't make it to the other. Additionally in !1090 I make ghc-pkg look up the settings file, which makes it use the top dir a bit more widely. If that lands, any difference in the way they find the top dir would be more noticable. That change also means sharing more code between ghc and ghc-package (namely the settings file parsing code), so I'd think it better to get off the slipperly slope of duplicating code now.
* Rip out object splittingBen Gamari2019-03-051-1/+1
| | | | | | | | | | | | | | | The splitter is an evil Perl script that processes assembler code. Its job can be done better by the linker's --gc-sections flag. GHC passes this flag to the linker whenever -split-sections is passed on the command line. This is based on @DemiMarie's D2768. Fixes Trac #11315 Fixes Trac #9832 Fixes Trac #8964 Fixes Trac #8685 Fixes Trac #8629
* Building GHC with hadrian on FreeBSDKrzysztof Gogolewski2018-11-171-2/+2
| | | | | | | | | | | | | | | Summary: I'm currently trying to make `hadrian` work as a build system on FreeBSD (https://ghc.haskell.org/trac/ghc/ticket/15860). I'm still having some issues with `libgmp` but one can get a working `ghc` using `--integer-simple` and this patch. Reviewers: bgamari, erikd, alpmestan Reviewed By: alpmestan Subscribers: rwbarton, carter Differential Revision: https://phabricator.haskell.org/D5335
* Drop GHC 8.2 compatibilityRyan Scott2018-10-031-97/+0
| | | | | | | | | | | | | | | | | Summary: GHC 8.6.1 is out, so now GHC's support window only extends back to GHC 8.4. This means we can delete gobs of code that were only used for GHC 8.2 support. Hooray! Test Plan: ./validate Reviewers: bgamari, Phyx, erikd Reviewed By: bgamari, Phyx Subscribers: rwbarton, erikd, carter Differential Revision: https://phabricator.haskell.org/D5192
* ghc, ghc-pkg: use getExecutablePath on Windows when base >= 4.11.0Tamar Christina2018-08-251-1/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: This completes the work started in D4227 by using just 'getExecutablePath' in ghc and ghc-pkg when building with base >= 4.11.0. On the long term, we will be able to simply kill the existing code that follows (or not) symlinks and just get this behaviour for free from getExecutable. For now we however have to require base >= 4.11.0 to be able to just use getExecutablePath under Windows, and use the current code when building with an older base. Original code by @alpmestan commandeering since patch has been stale and bug remains open. Test Plan: Validate Reviewers: angerman, bgamari, erikd, alpmestan Reviewed By: bgamari Subscribers: carter, rwbarton, thomie GHC Trac Issues: #14483 Differential Revision: https://phabricator.haskell.org/D4229
* Modifications to support loading GHC into GHCiMichael Sloan2018-07-271-6/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This change was previously part of [D4904](https://phabricator.haskell.org/D4904), but is being split off to aid in getting this reviewed and merged. * The compiler code is built with `NoImplicitPrelude`, but GHCi's modules are incompatible with it. So, this adds the pragma to all GHCi modules that didn't have it, and adds imports of Prelude. * In order to run GHC within itself, a `call of 'initGCStatistics` needed to be skipped. This uses CPP to skip it when `-DGHC_LOADED_INTO_GHCI` is set. * There is an environment variable workaround suggested by Ben Gamari [1], where `_GHC_TOP_DIR` can be used to specify GHC's top dir if `-B` isn't provided. This can be used to solve a problem where the GHC being run within GHCi attempts to look in `inplace/lib/lib/` instead of `inplace/lib/`. [1]: https://phabricator.haskell.org/D4904#135438 Reviewers: goldfire, bgamari, erikd, alpmestan Reviewed By: alpmestan Subscribers: alpmestan, lelf, rwbarton, thomie, carter Differential Revision: https://phabricator.haskell.org/D4986
* A few more typofixes in docs/comments [ci skip]Gabor Greif2018-06-201-1/+1
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* Introduce a $tooldir variable for nicer toolchain detection on WindowsAlp Mestanogullari2018-04-171-6/+58
| | | | | | | | | | | | | | | | | | | | | | | | | Summary: This patch affects several files that affect how we detect mingw and perl on Windows. The initial motivation is: https://github.com/snowleopard/hadrian/issues/564 where, with Hadrian building relocatable (non-inplace) GHCs, the current detection mechanism falls short by e.g only trying $topdir/../mingw. But in Hadrian, for reasons given in that issue, we would need to store e.g mingw under $topdir/../../mingw except for binary distributions, where we want to follow the existing structure, in which case $topdir/../mingw is correct. So we need to support both, which is what this patch hopefully implements. Test Plan: ./validate Reviewers: Phyx, hvr, bgamari, erikd Reviewed By: Phyx Subscribers: snowleopard, thomie, carter Differential Revision: https://phabricator.haskell.org/D4598
* Drop GHC 8.0 compatibilityRyan Scott2018-03-131-4/+0
| | | | | | | | | | | | | | | | GHC 8.4.1 is out, so now GHC's support window only extends back to GHC 8.2. This means we can delete gobs of code that were only used for GHC 8.0 support. Hooray! Test Plan: ./validate Reviewers: bgamari, erikd, dfeuer Reviewed By: bgamari, dfeuer Subscribers: alexbiehl, dfeuer, rwbarton, thomie, carter Differential Revision: https://phabricator.haskell.org/D4492
* Remove executable filename check on windowsklebinger.andreas@gmx.at2018-01-151-13/+4
| | | | | | | | | | | | | | | | | | | | On Windows GHC enforces currently that the real executable is named ghc.exe/ghc-stage[123].exe. I don't see a good reason why this is neccessary. This patch removes this restriction and fixes #14652 Test Plan: ci Reviewers: bgamari, Phyx Reviewed By: Phyx Subscribers: Phyx, rwbarton, thomie, carter GHC Trac Issues: #14652 Differential Revision: https://phabricator.haskell.org/D4296
* SysTools: Split up TopDir logic into new moduleBen Gamari2017-11-231-0/+208
Test Plan: Validate on Linux and Windows Reviewers: erikd Subscribers: rwbarton, thomie Differential Revision: https://phabricator.haskell.org/D4225
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