From a159586f8ae4db8a0fcf608b411f962817c3db60 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Mon, 5 Jul 2021 12:50:08 +0200
Subject: [PATCH] gnu: bison-boot0: Replace 'posix_spawn' on non-x86 platforms.

* gnu/packages/commencement.scm (bison-boot0)[arguments]: Pass #:configure-flags
on non-x86 platforms.
---
 gnu/packages/commencement.scm | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/gnu/packages/commencement.scm b/gnu/packages/commencement.scm
index c4aa8b2a63..fb028390a2 100644
--- a/gnu/packages/commencement.scm
+++ b/gnu/packages/commencement.scm
@@ -2904,6 +2904,15 @@ exec " gcc "/bin/" program
                            "RANLIB=ranlib -D"))
                       "V=1")
 
+       ;; 'glibc-bootstrap' on non-x86 platforms has a buggy 'posix_spawn'.
+       ;; Thus, use the Gnulib replacement instead.  See
+       ;; <https://bugs.gnu.org/49367>.
+       ,@(match (%current-system)
+           ((or "i686-linux" "x86_64-linux")
+            '())
+           (_
+            '(#:configure-flags '("gl_cv_func_posix_spawn_works=no"))))
+
        ,@(package-arguments bison)))))
 
 (define flex-boot0