GNU bug report logs - #42681
[PATCH core-updates] gnu: bootstrap-gcc: Don't use CPATH search paths.

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Jakub Kądziołka <kuba <at> kadziolka.net>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#42681: closed ([PATCH core-updates] gnu: bootstrap-gcc: Don't
 use CPATH search paths.)
Date: Tue, 04 Aug 2020 12:35:01 +0000

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Your message dated Tue, 4 Aug 2020 14:34:35 +0200
with message-id <20200804123435.pk3uqpasdctvjdo5 <at> gravity>
and subject line Re: [PATCH core-updates] gnu: bootstrap-gcc: Don't use CPATH search paths.
has caused the debbugs.gnu.org bug report #42681,
regarding [PATCH core-updates] gnu: bootstrap-gcc: Don't use CPATH search paths.
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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42681: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=42681
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From: Jakub Kądziołka <kuba <at> kadziolka.net>
To: guix-patches <at> gnu.org
Cc: efraim <at> flashner.co.il
Subject: [PATCH core-updates] gnu: bootstrap-gcc: Don't use CPATH search paths.
Date: Sun,  2 Aug 2020 22:34:21 +0200

This updates the bootstrap-gcc to use the same search path strategy as
the main compilers, making the bootstrap environment more similar across
architectures, and fixing the bootstrap path on non-x86 architectures
again.

This is a follow up to commit 7cde865f12dd67e55946a52a21103e71f447eced.

* gnu/packages/bootstrap.scm (%bootstrap-gcc)[native-search-paths]: Use
  C_INCLUDE_PATH and CPLUS_INCLUDE_PATH instead of CPATH.
---

Note: because I don't have any non-x86 machines on hand, I haven't
actually tested the patch yet.

Efraim, you have helped me investigate this with your ARM board, perhaps
you could test this patch?

Regards,
Jakub Kądziołka
 gnu/packages/bootstrap.scm | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/bootstrap.scm b/gnu/packages/bootstrap.scm
index c39e60ec8b..fd6c2e099c 100644
--- a/gnu/packages/bootstrap.scm
+++ b/gnu/packages/bootstrap.scm
@@ -740,8 +740,11 @@ exec ~a/bin/.gcc-wrapped -B~a/lib \
                            "1m5miqkyng45l745n0sfafdpjkqv9225xf44jqkygwsipj2cv9ks")))))))))
     (native-search-paths
      (list (search-path-specification
-            (variable "CPATH")
+            (variable "C_INCLUDE_PATH")
             (files '("include")))
+           (search-path-specification
+            (variable "CPLUS_INCLUDE_PATH")
+            (files '("include/c++" "include")))
            (search-path-specification
             (variable "LIBRARY_PATH")
             (files '("lib" "lib64")))))
-- 
2.28.0

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From: Jakub Kądziołka <kuba <at> kadziolka.net>
To: Efraim Flashner <efraim <at> flashner.co.il>
Cc: 42681-done <at> debbugs.gnu.org
Subject: Re: [PATCH core-updates] gnu: bootstrap-gcc: Don't use CPATH search
 paths.
Date: Tue, 4 Aug 2020 14:34:35 +0200

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

On Tue, Aug 04, 2020 at 09:00:06AM +0300, Efraim Flashner wrote:
> On Mon, Aug 03, 2020 at 01:03:52PM +0200, Jakub Kądziołka wrote:
> > On Mon, Aug 03, 2020 at 09:40:26AM +0300, Efraim Flashner wrote:
> > > On Sun, Aug 02, 2020 at 10:34:21PM +0200, Jakub Kądziołka wrote:
> > > I'm building out to hello on my aarch64 board now, starting from
> > > make-boot0 apparently. Guile is only listed once so hopefully it won't
> > > take too long.
> > 
> > Thanks!
> > 
> > > I assume this doesn't break anything on x86_64?
> > 
> > I don't have hello built on current core-updates (it also wants to start
> > from make-boot0), but I have confirmed that guix build --no-grafts -d
> > hello returns the same derivation path before and after the commit.
> > %bootstrap-gcc is not present at all in the package graph on x86.
> > 
> > Regards,
> > Jakub Kądziołka
> 
> I was able to successfully build all the way out to hello on
> aarch64-linux.

This is great news! Patch pushed.

Regards,
Jakub Kądziołka

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