From 556aa310505276c11dee54822e0f8eb1017e69de Mon Sep 17 00:00:00 2001
From: Efraim Flashner <efraim@flashner.co.il>
Date: Sat, 9 Dec 2023 18:41:18 +0200
Subject: gnu: llvm-14: Fix building on powerpc-linux.

* gnu/packages/llvm.scm (llvm-14)[arguments]: When building for
powerpc-linux adjust the configure-flags to always link shared libraries
with -latomic.

Change-Id: If020528bf1717595b66e6e0826dbe7a0c1128322
---
 gnu/packages/llvm.scm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gnu/packages/llvm.scm b/gnu/packages/llvm.scm
index 08536fc865..a84b8c0030 100644
--- a/gnu/packages/llvm.scm
+++ b/gnu/packages/llvm.scm
@@ -706,6 +706,10 @@ of programming tools as well as libraries with equivalent functionality.")
                    #$(string-append "-DLLVM_TARGETS_TO_BUILD="
                                     (system->llvm-target)))
                 '())
+         ;; undefined reference to `__atomic_fetch_add_8' in lib/libLLVMOrcJIT.so.14
+         #$@(if (target-ppc32?)
+                (list "-DCMAKE_SHARED_LINKER_FLAGS=-latomic")
+                `())
          "-DCMAKE_SKIP_BUILD_RPATH=FALSE"
          "-DCMAKE_BUILD_WITH_INSTALL_RPATH=FALSE"
          "-DBUILD_SHARED_LIBS:BOOL=TRUE"
-- 
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