From f9455511faba40ad719fa0e6897ea09ac5fb9d23 Mon Sep 17 00:00:00 2001
From: Alex Rønne Petersen <alex@alexrp.com>
Date: Sun, 25 Aug 2024 06:57:18 +0200
Subject: Compilation: Work around llvm/llvm-project#105972 by defining the
 macros.

https://github.com/llvm/llvm-project/issues/105972
---
 src/Compilation.zig | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/Compilation.zig')

diff --git a/src/Compilation.zig b/src/Compilation.zig
index ffd004b93e..bd93b2061b 100644
--- a/src/Compilation.zig
+++ b/src/Compilation.zig
@@ -5765,6 +5765,13 @@ pub fn addCCArgs(
         try argv.append("-mno-implicit-float");
     }
 
+    // https://github.com/llvm/llvm-project/issues/105972
+    if (target.cpu.arch.isPowerPC() and target.floatAbi() == .soft) {
+        try argv.append("-D__NO_FPRS__");
+        try argv.append("-D_SOFT_FLOAT");
+        try argv.append("-D_SOFT_DOUBLE");
+    }
+
     if (out_dep_path) |p| {
         try argv.appendSlice(&[_][]const u8{ "-MD", "-MV", "-MF", p });
     }
-- 
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