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* [bug#38459] [PATCH] gnu: (cross-gcc-arguments|gcc-boot0): Enable 128 bit long double for POWER9.
@ 2019-12-02 19:20 dftxbs3e
  2019-12-02 19:57 ` Tobias Geerinckx-Rice via Guix-patches via
                   ` (2 more replies)
  0 siblings, 3 replies; 8+ messages in thread
From: dftxbs3e @ 2019-12-02 19:20 UTC (permalink / raw)
  To: 38459

[-- Attachment #1: Type: text/plain, Size: 137 bytes --]

Hello,

This is to be applied against core-updates and fixes:

$ guix build --target=powerpc64le-linux-gnu bootstrap-tarballs

dftxbs3e


[-- Attachment #2: 0002-gnu-cross-gcc-arguments-Enable-128-bit-long-double-f.patch --]
[-- Type: text/x-patch, Size: 1083 bytes --]

From dcbd3a812038fbc1a229836a850f529aa35b45c8 Mon Sep 17 00:00:00 2001
From: dftxbs3e <dftxbs3e@free.fr>
Date: Mon, 2 Dec 2019 20:02:24 +0100
Subject: [PATCH 2/2] gnu: cross-gcc-arguments: Enable 128 bit long double for
 POWER9.

---
 gnu/packages/cross-base.scm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gnu/packages/cross-base.scm b/gnu/packages/cross-base.scm
index 13237fb8a8..e60a8ed03a 100644
--- a/gnu/packages/cross-base.scm
+++ b/gnu/packages/cross-base.scm
@@ -150,6 +150,9 @@ base compiler and using LIBC (which may be either a libc package or #f.)"
                                "--disable-decimal-float" ;would need libc
                                "--disable-libcilkrts"
 
+                              ;; On POWER9 (little endian) glibc needs the 128 bit long double type.
+                               "--with-long-double-128"
+
                                ;; When target is any OS other than 'none' these
                                ;; libraries will fail if there is no libc
                                ;; present. See
-- 
2.21.0


[-- Attachment #3: 0001-gnu-gcc-boot0-Enable-128-bit-long-double-for-POWER9.patch --]
[-- Type: text/x-patch, Size: 989 bytes --]

From 87b30dcb90572bd46c8eb087efe7d75db362f59b Mon Sep 17 00:00:00 2001
From: dftxbs3e <dftxbs3e@free.fr>
Date: Mon, 2 Dec 2019 19:58:19 +0100
Subject: [PATCH 1/2] gnu: gcc-boot0: Enable 128 bit long double for POWER9.

---
 gnu/packages/commencement.scm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gnu/packages/commencement.scm b/gnu/packages/commencement.scm
index 8bf7704598..bfdba4dbd2 100644
--- a/gnu/packages/commencement.scm
+++ b/gnu/packages/commencement.scm
@@ -1576,6 +1576,9 @@ exec " gcc "/bin/" program
                            "--disable-shared"
                            "--enable-languages=c,c++"
 
+                           ;; On POWER9 (little endian) glibc needs the 128 bit long double type.
+                           "--with-long-double-128"
+
                            ;; libstdc++ cannot be built at this stage
                            ;; ("Link tests are not allowed after
                            ;; GCC_NO_EXECUTABLES.").
-- 
2.21.0


^ permalink raw reply related	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2020-11-26 22:32 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-12-02 19:20 [bug#38459] [PATCH] gnu: (cross-gcc-arguments|gcc-boot0): Enable 128 bit long double for POWER9 dftxbs3e
2019-12-02 19:57 ` Tobias Geerinckx-Rice via Guix-patches via
2019-12-02 20:03   ` dftxbs3e
2019-12-07 19:28     ` dftxbs3e
2019-12-11  0:04       ` Tobias Geerinckx-Rice via Guix-patches via
2020-11-20 23:21 ` dftxbs3e
2020-11-26 22:28   ` bug#38459: " Ludovic Courtès
2020-11-20 23:30 ` [bug#38459] " dftxbs3e

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