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This commit introduces Hadrian docs specifically
targeted at GHC devs who are used to building GHC with the make
build system, adapting a good chunk of the following quickstart
page we wrote over the last few months:
https://ghc.haskell.org/trac/ghc/wiki/Building/Hadrian/QuickStart
Reviewers: snowleopard, bgamari
Reviewed By: snowleopard
Subscribers: rwbarton, carter
Differential Revision: https://phabricator.haskell.org/D5446
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Fix a bug from cb882fc993b4972f7f212b291229ef9e9ade0af9. Without the
comma, all non-diverging codepaths set 'UseLibdw=NO'.
Reviewers: bgamari, nh2
Reviewed By: nh2
Subscribers: rwbarton, erikd, carter
GHC Trac Issues: #15968
Differential Revision: https://phabricator.haskell.org/D5459
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Reviewers: RyanGlScott, ekmett, hvr, bgamari
Reviewed By: bgamari
Subscribers: rwbarton, carter
GHC Trac Issues: #15995
Differential Revision: https://phabricator.haskell.org/D5456
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`ghci -fno-implicit-import-qualified` didn't start with error message:
```
GHCi, version 8.6.2: http://www.haskell.org/ghc/ :? for help
<interactive>:1:6: error:
Not in scope: ‘System.IO.hSetBuffering’
No module named ‘System.IO’ is imported.
...
```
This change fixes it and update test T2452 to cover this.
Test Plan:
TEST=T2452 make accept
harbormaster build runs
Reviewers: simonmar, bgamari, RyanGlScott
Reviewed By: simonmar
Subscribers: rwbarton, carter
Differential Revision: https://phabricator.haskell.org/D5452
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As discussed on ghc-devops, CircleCI is changing their billing policy to require
users of instances larger than `medium` to use a paid account. Consequently
these instances will no longer be available to us starting tomorrow.
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See #15207.
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The lint checks currently fail due to #15950.
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These run slowtest and their artifacts are preserved for two years.
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Namely after 2 weeks
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Also use 'id'
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We used to enqueue another command to change directory in the external
interpreter subprocess, this is not as robust as:
* it can fail with -fno-implict-import-qualified;
* it doesn't work when we `setGHCiMonad` to something other than `IO`.
Neither of them works if `directory` package is hidden though.
Test Plan:
```
$ inplace/bin/ghc-stage2 --interactive # -fexternal-interpreter
GHCi, version 8.7.20181213: http://www.haskell.org/ghc/ :? for help
Prelude> :cd ..
Prelude> System.Directory.getCurrentDirectory
"/data/users/watashi"
Prelude> :!pwd
/data/users/watashi
Prelude>
Leaving GHCi.
```
./validate
Reviewers: simonmar, bgamari, RyanGlScott
Reviewed By: simonmar
Subscribers: rwbarton, carter
Differential Revision: https://phabricator.haskell.org/D5453
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This patch introduces the `userDefaultFlavour` user setting. It should
be the name of the default flavour to use when no --flavour argument is
passed. Before this patch, we would just always default to... the
`default` flavour. With this patch, we default to whatever Flavour whose
name is `userDefaultFlavour`, therefore providing a way for users to
"persist" their choice of flavour, not having to repeat --flavour=[...]
in every hadrian command.
Test Plan:
Set `userDefaultFlavour = "quickest"`, run `hadrian/build.sh`, check
that the quickest flavour is indeed picked.
Reviewers: snowleopard, bgamari
Reviewed By: snowleopard
Subscribers: mpickering, rwbarton, carter
GHC Trac Issues: #15890
Differential Revision: https://phabricator.haskell.org/D5454
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Summary:
We do this for vanilla way already.
Let's also merge sections for profiling way and use it instead of the .a
library when it exists.
Test Plan:
```
$ inplace/bin/ghc-stage2 --interactive -prof -fexternal-interpreter
GHCi, version 8.7.20180921: http://www.haskell.org/ghc/ :? for help
Prelude> pid <- System.Posix.Process.getProcessID
Prelude> maps <- readFile $ "/proc/" ++ show pid ++ "/maps"
Prelude> pid
3807346
Prelude> putStrLn $ unlines $ take 20 $ lines maps
00400000-02103000 r-xp 00000000 00:1a 199277344
/data/users/watashi/ghc/inplace/lib/bin/ghc-iserv-prof
02104000-02106000 r--p 01d03000 00:1a 199277344
/data/users/watashi/ghc/inplace/lib/bin/ghc-iserv-prof
02106000-02417000 rw-p 01d05000 00:1a 199277344
/data/users/watashi/ghc/inplace/lib/bin/ghc-iserv-prof
02417000-0280a000 rw-p 00000000 00:00 0
[heap]
40098000-400b0000 rwxp 000d2000 00:1a 199276023
/data/users/watashi/ghc/libraries/bytestring/dist-install/build/HSbytestring-0.10.8.2.p_o
400b7000-400d8000 rwxp 00000000 00:00 0
401d1000-401d2000 rwxp 000e9000 00:1a 199276023
/data/users/watashi/ghc/libraries/bytestring/dist-install/build/HSbytestring-0.10.8.2.p_o
40415000-40419000 rwxp 0000b000 00:1a 199275165
/data/users/watashi/ghc/libraries/deepseq/dist-install/build/HSdeepseq-1.4.4.0.p_o
404f8000-40526000 rwxp 000af000 00:1a 199274234
/data/users/watashi/ghc/libraries/ghc-prim/dist-install/build/HSghc-prim-0.5.3.p_o
```
Reviewers: simonmar, bgamari, austin, hvr
Reviewed By: simonmar
Subscribers: rwbarton, carter
Differential Revision: https://phabricator.haskell.org/D5169
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I consider myself lucky that in my circle of friends, `http` urls (as
opposed to `https` urls) are frowned upon in that we generally
apologize in the rase cases that we share an `http` url.
This pull request changes `http` links into their `https` analogues in
the following places:
* In the GHCI startup message (and parts of the User's Guide, where
there are verbatim transcripts of GHCi sessions).
* In a couple of error messages, asking the user to report a bug.
(I also took the liberty to change a single space before the reportabug
url into two spaces, harmonizing this occurence with the others.)
I'm not trying to start a war. I just had a moment to spare and felt
like preparing this diff. Merge or don't merge as you wish!
Reviewers: bgamari, erikd, simonmar
Subscribers: goldfire, rwbarton, carter
Differential Revision: https://phabricator.haskell.org/D5450
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- Add default value
- Update the help line as multiple short lines instead of one long line,
for consistency with other lines.
Reviewers: simonmar, bgamari, erikd
Reviewed By: bgamari
Subscribers: rwbarton, carter
Differential Revision: https://phabricator.haskell.org/D5445
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These are taken from our previous arcanist linters as well as the
gitolite hooks but with some heavy refactoring.
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396aac4c65a47b6252e0a73d2a3066e924d53f11 added the
amd64-portbld-freebsd triple but #15718 suggests that we should rather
be using x86_64-unknown-freebsd. Not knowing which is correct I've left
the amd64-portbld- triplet in place.
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Describe complexity and add an example for `GHC.List.filter`.
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The alias is of type i8, so its global variable name
should have type i8*. Anyway we should never deal
with pointers to (i8*)!
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Makes the printer same as Rec binding printer in Core
Reviewers: sgraf, bgamari
Reviewed By: sgraf
Subscribers: rwbarton, carter
Differential Revision: https://phabricator.haskell.org/D5441
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Spurious changes observed in a integer-simple build. In service of #16043.
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This fixes a variety of testsuite failures with integer-simple of the form
```
--- typecheck/should_fail/tcfail072.run/tcfail072.stderr.normalised
+++ typecheck/should_fail/tcfail072.run/tcfail072.comp.stderr.normalised
@@ -12,7 +12,7 @@
-- Defined in ‘integer-<IMPL>-<VERSION>:GHC.Integer.Type’
instance Ord () -- Defined in ‘GHC.Classes’
...plus 21 others
- ...plus three instances involving out-of-scope types
+ ...plus two instances involving out-of-scope types
(use -fprint-potential-instances to see them all)
In the expression: g A
In an equation for ‘g’: g (B _ _) = g A
```
In service of fixing #16043.
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Towards fixing #16043.
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This is generally terrible: see #16025. In short, we previously just blindly
used an un-prefixed ld for LD_NO_GOLD. This is blatantly wrong. Ideally we would
actually verify that ld.gold is indeed broken (by binutils #22266) before
insisting on using another linker but sadly we cannot do so when cross-compiling
since this would require running host code.
For now we simply disable the LD_NO_GOLD logic when cross-compiling and hope
that the user has verified that their ld.gold isn't affected by #22266.
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Debug code have not been updated for a long time,
now it's changed to it compiles with recent RTS.
Reviewers: bgamari, erikd, simonmar
Reviewed By: simonmar
Subscribers: rwbarton, carter
Differential Revision: https://phabricator.haskell.org/D5369
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See #16037.
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But allow failure since CircleCI is still our source of truth.
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Previously when switching from using a Plugin with
`RecompMaybe`/`ForceRecompile` in `pluginRecompile` to a Plugin with
`NoForceRecompile` GHC would never even consider recompiling.
However the previously active plugin could have modified the
compilation output so we should recompile.
Test Plan: validate
Reviewers: bgamari, mpickering
Subscribers: mpickering, rwbarton, carter
GHC Trac Issues: #15858
Differential Revision: https://phabricator.haskell.org/D5299
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