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[GHC] #5914: armhf build fails in Ubuntu (7.4.1)

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GHC

[GHC] #5914: armhf build fails in Ubuntu (7.4.1)

#5914: armhf build fails in Ubuntu (7.4.1)
------------------------------+---------------------------------------------
Reporter: jani@… | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 7.4.1 | Keywords:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: None/Unknown | Testcase:
Blockedby: | Blocking:
Related: |
------------------------------+---------------------------------------------
The ARM code generator calls llc in the same way regardless of the ABI
being used. When the hardfloat EABI variant is in use - armhf in
Debian/Ubuntu, llc needs to be passed -float-abi=hard.
This may mean the build scripts need to detect armel vs armhf and have a
config option snippet in
compiler/main/DriverPipeline.hs
I made a successful build on armhf by just piggybacking it to check it
works.

else if (elem VFPv3D16 ext)
- then ["-mattr=+v7,+vfp3"]
+ then ["-mattr=+v7,+vfp3,
"-float-abi=hard"]

BTW for Debian/Ubuntu we will need +d16 passed there, but it is not
strictly related to the build failure on armhf.

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5914>
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Re: [GHC] #5914: armhf build fails in Ubuntu (7.4.1)

#5914: armhf build fails in Ubuntu (7.4.1)
---------------------------------+------------------------------------------
Reporter: jani@… | Owner: dterei
Type: bug | Status: new
Priority: normal | Component: Compiler (LLVM)
Version: 7.4.1 | Keywords:
Os: Linux | Architecture: arm
Failure: Building GHC failed | Testcase:
Blockedby: | Blocking:
Related: |
---------------------------------+------------------------------------------
Changes (by jani@…):

* owner: => dterei
* failure: None/Unknown => Building GHC failed
* os: Unknown/Multiple => Linux
* component: Compiler => Compiler (LLVM)
* architecture: Unknown/Multiple => arm

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5914#comment:1>
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Re: [GHC] #5914: armhf build fails in Ubuntu (7.4.1)

In reply to this post by GHC

#5914: armhf build fails in Ubuntu (7.4.1)
---------------------------------+------------------------------------------
Reporter: jani@… | Owner: kgardas
Type: bug | Status: new
Priority: normal | Component: Compiler (LLVM)
Version: 7.4.1 | Keywords:
Os: Linux | Architecture: arm
Failure: Building GHC failed | Testcase:
Blockedby: | Blocking:
Related: |
---------------------------------+------------------------------------------
Changes (by dterei):

* owner: dterei => kgardas

Comment:

Re-assigning as ARM stuff isn't handled by me.

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5914#comment:2>
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Re: [GHC] #5914: armhf build fails in Ubuntu (7.4.1)

In reply to this post by GHC

#5914: armhf build fails in Ubuntu (7.4.1)
---------------------------------+------------------------------------------
Reporter: jani@… | Owner: kgardas
Type: bug | Status: new
Priority: normal | Component: Compiler (LLVM)
Version: 7.4.1 | Keywords:
Os: Linux | Architecture: arm
Failure: Building GHC failed | Testcase:
Blockedby: | Blocking:
Related: |
---------------------------------+------------------------------------------
Changes (by dterei):

* cc: dterei (added)

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5914#comment:3>
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Re: [GHC] #5914: armhf build fails in Ubuntu (7.4.1)

In reply to this post by GHC

#5914: armhf build fails in Ubuntu (7.4.1)
---------------------------------+------------------------------------------
Reporter: jani@… | Owner: kgardas
Type: bug | Status: new
Priority: normal | Component: Compiler (LLVM)
Version: 7.4.1 | Keywords:
Os: Linux | Architecture: arm
Failure: Building GHC failed | Testcase:
Blockedby: | Blocking:
Related: |
---------------------------------+------------------------------------------

Comment(by kgardas):

Hello, I'll attempt to install hard-float ARM OS over the weekend and will
give it a try.

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5914#comment:4>
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Re: [GHC] #5914: armhf build fails in Ubuntu (7.4.1)

In reply to this post by GHC

#5914: armhf build fails in Ubuntu (7.4.1)
---------------------------------+------------------------------------------
Reporter: jani@… | Owner: kgardas
Type: bug | Status: new
Priority: normal | Component: Compiler (LLVM)
Version: 7.4.1 | Keywords:
Os: Linux | Architecture: arm
Failure: Building GHC failed | Testcase:
Blockedby: | Blocking:
Related: |
---------------------------------+------------------------------------------

Comment(by jani@…):

Latest ghc packages in Debian sid and Ubuntu precise have the workaround
(passing -float-abi=hard to llc on armhf)

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5914#comment:5>
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Re: [GHC] #5914: armhf build fails in Ubuntu (7.4.1)

In reply to this post by GHC

#5914: armhf build fails in Ubuntu (7.4.1)
---------------------------------+------------------------------------------
Reporter: jani@… | Owner: kgardas
Type: bug | Status: new
Priority: normal | Component: Compiler (LLVM)
Version: 7.4.1 | Keywords:
Os: Linux | Architecture: arm
Failure: Building GHC failed | Testcase:
Blockedby: | Blocking:
Related: |
---------------------------------+------------------------------------------

Comment(by kgardas):

Thanks, indeed, this is needed info, but I'll first attempt to fix that on
GHC HEAD.

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5914#comment:6>
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Re: [GHC] #5914: armhf build fails in Ubuntu (7.4.1)

In reply to this post by GHC

#5914: armhf build fails in Ubuntu (7.4.1)
---------------------------------+------------------------------------------
Reporter: jani@… | Owner: kgardas
Type: bug | Status: new
Priority: normal | Component: Compiler (LLVM)
Version: 7.4.1 | Keywords:
Os: Linux | Architecture: arm
Failure: Building GHC failed | Testcase:
Blockedby: | Blocking:
Related: |
---------------------------------+------------------------------------------
Changes (by juhpetersen):

* cc: juhp@… (added)

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5914#comment:7>
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Re: [GHC] #5914: armhf build fails in Ubuntu (7.4.1)

In reply to this post by GHC

#5914: armhf build fails in Ubuntu (7.4.1)
---------------------------------+------------------------------------------
Reporter: jani@… | Owner: kgardas
Type: bug | Status: new
Priority: normal | Component: Compiler (LLVM)
Version: 7.4.1 | Keywords:
Os: Linux | Architecture: arm
Failure: Building GHC failed | Testcase:
Blockedby: | Blocking:
Related: |
---------------------------------+------------------------------------------

Comment(by kgardas):

Hi, attached patch adds hard-float ABI support to GHC HEAD. I've
bootstrapped this on x86-solaris w/o any issue and also up to the ghc-
stage2 failure (#6043) on ARM/Ubuntu with hard-float ABI. I'm not able to
test it due to #6043 yet.

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5914#comment:8>
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Re: [GHC] #5914: armhf build fails in Ubuntu (7.4.1)

In reply to this post by GHC

GHC

Re: [GHC] #5914: armhf build fails in Ubuntu (7.4.1)

In reply to this post by GHC

#5914: armhf build fails in Ubuntu (7.4.1)
--------------------------------+-------------------------------------------
Reporter: jani@… | Owner: simonmar
Type: bug | Status: new
Priority: high | Milestone: 7.6.1
Component: Compiler (LLVM) | Version: 7.4.1
Keywords: | Os: Linux
Architecture: arm | Failure: Building GHC failed
Difficulty: Unknown | Testcase:
Blockedby: | Blocking:
Related: |
--------------------------------+-------------------------------------------

Comment(by karel.gardas@…):

commit 3144f85661da176e3d80f28d652b42245becde09
{{{
Author: Karel Gardas <[hidden email]>
Date: Wed Apr 25 09:04:50 2012 +0200

add support for ARM hard-float ABI (fixes #5914)

This patch enhances Platform's ArchARM to include ARM ABI value. It
also
tweaks configure machinery to detect hard-float ABI and to set it
wherever
needed. Finally when hard-float ABI is in use, pass appropriate
compiler
option to the LLVM's llc. Fixes #5914.

aclocal.m4 | 2 +-
compiler/main/DriverPipeline.hs | 16 +-
compiler/nativeGen/AsmCodeGen.lhs | 2 +-
compiler/nativeGen/RegAlloc/Graph/TrivColorable.hs | 56 ++--
compiler/nativeGen/RegAlloc/Linear/FreeRegs.hs | 14 +-
compiler/nativeGen/RegAlloc/Linear/Main.hs | 14 +-
compiler/nativeGen/TargetReg.hs | 70 ++--
compiler/utils/Platform.hs | 12 +-
config.guess | 482
++++++++++----------
configure.ac | 14 +
10 files changed, 345 insertions(+), 337 deletions(-)
}}}

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5914#comment:10>
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Re: [GHC] #5914: armhf build fails in Ubuntu (7.4.1)

In reply to this post by GHC

#5914: armhf build fails in Ubuntu (7.4.1)
----------------------------------+-----------------------------------------
Reporter: jani@… | Owner: simonmar
Type: bug | Status: closed
Priority: high | Milestone: 7.6.1
Component: Compiler (LLVM) | Version: 7.4.1
Resolution: fixed | Keywords:
Os: Linux | Architecture: arm
Failure: Building GHC failed | Difficulty: Unknown
Testcase: | Blockedby:
Blocking: | Related:
----------------------------------+-----------------------------------------
Changes (by simonmar):

* status: new => closed
* resolution: => fixed

Comment:

Optimistically closing the ticket, please re-open if there's still a
problem.

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5914#comment:11>
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Re: [GHC] #5914: armhf build fails in Ubuntu (7.4.1)

In reply to this post by GHC

#5914: armhf build fails in Ubuntu (7.4.1)
----------------------------------+-----------------------------------------
Reporter: jani@… | Owner: simonmar
Type: bug | Status: closed
Priority: high | Milestone: 7.6.1
Component: Compiler (LLVM) | Version: 7.4.1
Resolution: fixed | Keywords:
Os: Linux | Architecture: arm
Failure: Building GHC failed | Difficulty: Unknown
Testcase: | Blockedby:
Blocking: | Related:
----------------------------------+-----------------------------------------

Comment(by juhpetersen):

Thanks, I tested the patch on ghc-7.4.2 RC2 on Fedora:

http://arm.koji.fedoraproject.org/koji/taskinfo?taskID=839158 (test
build)

and it built successfully. So probably will move to this patch for
Fedora's ghc-7.4.2.

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5914#comment:12>
GHC <http://www.haskell.org/ghc/>
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