01/01: gnu: cross-gcc-arguments: Enable 128 bit long double for POWER9.

[guix-commits]

nckx pushed a commit to branch wip-ppc64le
in repository guix.

commit c1047000a7b1bf0f2eeb12304ddcb4dc1b605e7c
Author: dftxbs3e <dftxbs3e@free.fr>
AuthorDate: Sat Dec 7 20:27:12 2019 +0100

    gnu: cross-gcc-arguments: Enable 128 bit long double for POWER9.
    
    Signed-off-by: Tobias Geerinckx-Rice <me@tobias.gr>
---
 gnu/packages/cross-base.scm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gnu/packages/cross-base.scm b/gnu/packages/cross-base.scm
index c1e5f2e..e9c2ffc 100644
--- a/gnu/packages/cross-base.scm
+++ b/gnu/packages/cross-base.scm
@@ -153,6 +153,11 @@ base compiler and using LIBC (which may be either a libc 
package or #f.)"
                                "--disable-decimal-float" ;would need libc
                                "--disable-libcilkrts"
 
+                              ,@(if (equal? "powerpc64le-linux-gnu" target)
+                                   ;; 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