Compilation: Work around llvm/llvm-project#105972 by defining the mac…

…ros. llvm/llvm-project#105972
alexrp · Aug 31, 2024 · f5e1c1d · f5e1c1d
1 parent 7809567
commit f5e1c1d
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/src/Compilation.zig b/src/Compilation.zig
@@ -5761,6 +5761,13 @@ pub fn addCCArgs(
         });
     }
 
+    // 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 });
     }