Re: [PATCH]:Resend: Add LLVM, clang and clang-runtime-3.8 to GNU Guix

[Dennis Mungai <dmngaie@gmail.com>]

Hello,

See the corrected patch below, comments have been corrected.

From 38643acf50749212a4455d15a1729002d6dfa04a Mon Sep 17 00:00:00 2001
From: brainiarc7 <dmngaie@gmail.com>
Date: Thu, 30 June 2016 20:43:13 +0300

Subject: [PATCH] Add LLVM 3.8 to GNU Guix

---
 gnu/packages/llvm.scm | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/gnu/packages/llvm.scm b/gnu/packages/llvm.scm
index 3bf019f..e995ff2 100644
--- a/gnu/packages/llvm.scm
+++ b/gnu/packages/llvm.scm
@@ -2,6 +2,9 @@
 ;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
 ;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
 ;;; Copyright © 2015 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2016 Dennis Mungai <dmngaie@gmail.com>
+;;; Copyright © 2016 Pjotr Prins <pjotr.public12@thebird.nl>
+;;; Copyright © 2016 Roel Janssen <roel@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -21,6 +24,8 @@
 (define-module (gnu packages llvm)
   #:use-module (guix packages)
   #:use-module (guix licenses)
+  #:use-module (gnu packages compression)
+  #:use-module (gnu packages libffi)
   #:use-module (guix download)
   #:use-module (guix utils)
   #:use-module (guix build-system gnu)
@@ -201,3 +206,37 @@ code analysis tools.")
 (define-public clang-3.5
   (clang-from-llvm llvm-3.5 clang-runtime-3.5
                    "12yv3jwdjcbkrx7zjm8wh4jrvb59v8fdw4mnmz3zc1jb00p9k07w"))
+
+(define-public llvm-3.8
+  (package (inherit llvm)
+    (version "3.8.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "http://llvm.org/releases/"
+                           version "/llvm-" version ".src.tar.xz"))
+       (sha256
+        (base32
+         "0ikfq0gxac8xpvxj23l4hk8f12ydx48fljgrz1gl9xp0ks704nsm"))))
+    (native-inputs
+     `(("python" ,python-wrapper)
+       ("perl" ,perl)
+       ("libffi" ,libffi)
+       ("zlib" ,zlib)))
+    (arguments
+     `(#:configure-flags '("-DCMAKE_SKIP_BUILD_RPATH=FALSE" ;;Same
comment as on the "-DCMAKE_BUILD_WITH_INSTALL_RPATH" cmake option
below.
+                           "-DCMAKE_BUILD_TYPE=Release"
+                           "-DCMAKE_BUILD_WITH_INSTALL_RPATH=FALSE"
;Inherit this from the LLVM package here to maintain consistency.
+                           "-DLLVM_ENABLE_PIC=ON" ;Defaults to on.
+                           "-DLLVM_ENABLE_WERROR=OFF"))))) ;There's
no need to stop and fail the build if compiler warnings are triggered.
+
+(define-public clang-runtime-3.8
+  (clang-runtime-from-llvm llvm-3.8
+   "1c2nkp9563873ffz22qmhc0wakgj428pch8rmhym8agjamz3ily8"))
+

On 30 June 2016 at 21:15, Dennis Mungai <dmngaie@gmail.com> wrote:
> From 38643acf50749212a4455d15a1729002d6dfa04a Mon Sep 17 00:00:00 2001
> From: brainiarc7 <dmngaie@gmail.com>
> Date: Thu, 30 June 2016 16:47:02 +0300
>
> Subject: [PATCH] Add LLVM 3.8 to GNU Guix
>
> ---
>  gnu/packages/llvm.scm | 39 +++++++++++++++++++++++++++++++++++++++
>  1 file changed, 39 insertions(+)
>
> diff --git a/gnu/packages/llvm.scm b/gnu/packages/llvm.scm
> index 3bf019f..e995ff2 100644
> --- a/gnu/packages/llvm.scm
> +++ b/gnu/packages/llvm.scm
> @@ -2,6 +2,9 @@
>  ;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
>  ;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
>  ;;; Copyright © 2015 Ludovic Courtès <ludo@gnu.org>
> +;;; Copyright © 2016 Dennis Mungai <dmngaie@gmail.com>
> +;;; Copyright © 2016 Pjotr Prins <pjotr.public12@thebird.nl>
> +;;; Copyright © 2016 Roel Janssen <roel@gnu.org>
>  ;;;
>  ;;; This file is part of GNU Guix.
>  ;;;
> @@ -21,6 +24,8 @@
>  (define-module (gnu packages llvm)
>    #:use-module (guix packages)
>    #:use-module (guix licenses)
> +  #:use-module (gnu packages compression)
> +  #:use-module (gnu packages libffi)
>    #:use-module (guix download)
>    #:use-module (guix utils)
>    #:use-module (guix build-system gnu)
> @@ -201,3 +206,37 @@ code analysis tools.")
>  (define-public clang-3.5
>    (clang-from-llvm llvm-3.5 clang-runtime-3.5
>                     "12yv3jwdjcbkrx7zjm8wh4jrvb59v8fdw4mnmz3zc1jb00p9k07w"))
> +
> +(define-public llvm-3.8
> +  (package (inherit llvm)
> +    (version "3.8.0")
> +    (source
> +     (origin
> +       (method url-fetch)
> +       (uri (string-append "http://llvm.org/releases/"
> +                           version "/llvm-" version ".src.tar.xz"))
> +       (sha256
> +        (base32
> +         "0ikfq0gxac8xpvxj23l4hk8f12ydx48fljgrz1gl9xp0ks704nsm"))))
> +    (native-inputs
> +     `(("python" ,python-wrapper)
> +       ("perl" ,perl)
> +       ("libffi" ,libffi)
> +       ("zlib" ,zlib)))
> +    (arguments
> +     `(#:configure-flags '("-DCMAKE_SKIP_BUILD_RPATH=FALSE" ;;Same
> comment as on the "-DCMAKE_BUILD_WITH_INSTALL_RPATH" cmake option
> below.
> +                           "-DCMAKE_BUILD_TYPE=Release"
> +                           "-DCMAKE_BUILD_WITH_INSTALL_RPATH=FALSE"
> ;;Inherit this from the LLVM package here to maintain consistency.
> +                           "-DLLVM_ENABLE_PIC=ON" ;;Defaults to on.
> +                           "-DLLVM_ENABLE_WERROR=OFF"))))) ;;There's
> no need to stop and fail the build if compiler warnings are triggered.
> +
> +(define-public clang-runtime-3.8
> +  (clang-runtime-from-llvm llvm-3.8
> +   "1c2nkp9563873ffz22qmhc0wakgj428pch8rmhym8agjamz3ily8"))
> +
> +(define-public clang-3.8
> +  (clang-from-llvm llvm-3.8 clang-runtime-3.8
> +                   "1ybcac8hlr9vl3wg8s4v6cp0c0qgqnwprsv85lihbkq3vqv94504"))
>
> On 12 June 2016 at 19:30, Ludovic Courtès <ludo@gnu.org> wrote:
>> Hi!
>>
>> Dennis Mungai <dmngaie@gmail.com> skribis:
>>
>>> I second Pjotr on this.
>>>
>>> There are always tools that will lag behind, and having multiple LLVM
>>> versions is a reasonable (and possibly unavoidable) compromise, for
>>> now.
>>>
>>> There may be problems with conflicts should a user install such
>>> pipelines with differing LLVM and Clang combinations within the same
>>> profile, as a worst case scenario.
>>
>> OK fine.  Currently we have 3.6 and 3.5, so we’d add 3.8 on top of it,
>> right?  And the ‘llvm’, ‘clang’ etc. bindings would still point to 3.6?
>> Does it even make sense to have unversioned bindings?
>>
>> The patch you posted earlier adds a number of configure flags, different
>> from those currently used in ‘llvm’, and in particular:
>>
>>> +                           "-DLLVM_INCLUDE_TESTS=OFF" ;; clang target units cannot be built (invalid test targets inherited from llvm result in build failure)
>>
>> IIUC, this has the effect of disabling tests, which is something we
>> avoid unless there’s a good reason.  I don’t understand the comment,
>> what’s happening?
>>
>> Could you remove as many of the configure flags as needed, and add a
>> comment for those that need to remain?
>>
>> Also, as a bonus, could you add a conforming commit log?  :-)
>>
>>   https://www.gnu.org/software/guix/manual/html_node/Submitting-Patches.html
>>
>> Thanks in advance!
>>
>> Ludo’.