GNU bug report logs - #60947
Two different derivations for ‘guix’ depending on whether grafts are enabled

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Ludovic Courtès <ludovic.courtes <at> inria.fr>
Subject: bug#60947: closed (Re: bug#60947: Two different derivations for
 ‘guix’ depending on whether grafts are
 enabled)
Date: Thu, 19 Jan 2023 16:59:01 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#60947: Two different derivations for ‘guix’ depending on whether grafts are enabled

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 60947 <at> debbugs.gnu.org.

-- 
60947: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=60947
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Ludovic Courtès <ludo <at> gnu.org>
To: 60947-done <at> debbugs.gnu.org
Subject: Re: bug#60947: Two different derivations for ‘guix’ depending on whether grafts are enabled
Date: Thu, 19 Jan 2023 17:58:10 +0100

Ludovic Courtès <ludovic.courtes <at> inria.fr> skribis:

> We have a problem!  Depending on whether grafts are enabled, we end up
> building one of two different derivations for ‘guix’ (“real”
> derivations; none of them is a mere grafting derivation):
>
> $ guix describe
> Generation 241  Jan 16 2023 00:26:44    (current)
>   guix 5c92197
>     repository URL: https://git.savannah.gnu.org/git/guix.git
>     branch: master
>     commit: 5c921977179489caef4a9e54ada6696fc86d2f0b
> $ guix build guix -n
> The following derivation would be built:
>   /gnu/store/hfaffzsjia7x1rbwaryyygh01bskxvvx-guix-1.4.0-1.9fe5b49.drv
> $ guix build guix -n --no-grafts
> /gnu/store/zasc3k9cnk3l1kvi03a4wml33awg21gf-guix-1.4.0-1.9fe5b49
> $ guix build guix -n --no-grafts -d
> /gnu/store/lczdc4jl1yl7cf4mrzqw2b9wiwmc5pwb-guix-1.4.0-1.9fe5b49.drv

Fixed in 88854b1a4e364263b0d3c0d1e87de1ce7da51d34!

Ludo'.

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From: Ludovic Courtès <ludovic.courtes <at> inria.fr>
To: bug-guix <at> gnu.org
Subject: Two different derivations for ‘guix’
 depending on whether grafts are enabled
Date: Thu, 19 Jan 2023 16:45:23 +0100

[Message part 4 (text/plain, inline)]

We have a problem!  Depending on whether grafts are enabled, we end up
building one of two different derivations for ‘guix’ (“real”
derivations; none of them is a mere grafting derivation):

--8<---------------cut here---------------start------------->8---
$ guix describe
Generation 241  Jan 16 2023 00:26:44    (current)
  guix 5c92197
    repository URL: https://git.savannah.gnu.org/git/guix.git
    branch: master
    commit: 5c921977179489caef4a9e54ada6696fc86d2f0b
$ guix build guix -n
The following derivation would be built:
  /gnu/store/hfaffzsjia7x1rbwaryyygh01bskxvvx-guix-1.4.0-1.9fe5b49.drv
$ guix build guix -n --no-grafts
/gnu/store/zasc3k9cnk3l1kvi03a4wml33awg21gf-guix-1.4.0-1.9fe5b49
$ guix build guix -n --no-grafts -d
/gnu/store/lczdc4jl1yl7cf4mrzqw2b9wiwmc5pwb-guix-1.4.0-1.9fe5b49.drv
--8<---------------cut here---------------end--------------->8---

The difference between those two .drv is guile-gnutls-3.7.11.drv, which
themselves differ in their gnulib-2022-12-06-1.440b528.drv.  At the
bottom, the difference is:

[Message part 5 (text/x-patch, inline)]

diff -ubBr --show-c-function --label \#\<buffer\ j2pxhf1brqdav3hkzzdxzbl89d39w584-gnulib-2022-12-06-1.440b528-builder\> --label \#\<buffer\ 0ilayj9ir5rva5yapqz34wl8l4la83w8-gnulib-2022-12-06-1.440b528-builder\> /tmp/buffer-content-DQf9jh /tmp/buffer-content-xYoO4v
--- #<buffer j2pxhf1brqdav3hkzzdxzbl89d39w584-gnulib-2022-12-06-1.440b528-builder>
+++ #<buffer 0ilayj9ir5rva5yapqz34wl8l4la83w8-gnulib-2022-12-06-1.440b528-builder>
@@ -138,7 +138,7 @@
 			(find-ucd-files . names)
 			(map find-ucd-file names))
 		      (with-directory-excursion "lib"
-			(invoke "/gnu/store/p4piblscgrfrsc4sk4ln1vga2ncn502y-gcc-10.3.0/bin/gcc" "-O" "-Wall" "gen-uni-tables.c" "-Iunictype" "-o" "gen-uni-tables")
+			(invoke "/gnu/store/g8la8r45k1bc8yrgg6sw3rz930y0n3rl-gcc-10.3.0/bin/gcc" "-O" "-Wall" "gen-uni-tables.c" "-Iunictype" "-o" "gen-uni-tables")
 			(apply invoke "./gen-uni-tables"
 			       (append
 				(find-ucd-files "UnicodeData.txt" "PropList.txt" "DerivedCoreProperties.txt" "emoji/emoji-data.txt" "ArabicShaping.txt" "Scripts.txt" "Blocks.txt")

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To be continued…

Ludo’.

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