Compilation: Work around llvm/llvm-project#105972 by defining the macros.

alexrp · alexrp · commit f9455511faba · 2024-09-10T08:53:30.000+02:00
llvm/llvm-project#105972
diff --git 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 });
     }

Original file line number	Diff line number	Diff line change
`@@ -5765,6 +5765,13 @@ pub fn addCCArgs(`
`5765`	`5765`	`try argv.append("-mno-implicit-float");`
`5766`	`5766`	`}`
`5767`	`5767`
	`5768`	`+ // https://github.com/llvm/llvm-project/issues/105972`
	`5769`	`+ if (target.cpu.arch.isPowerPC() and target.floatAbi() == .soft) {`
	`5770`	`+ try argv.append("-D__NO_FPRS__");`
	`5771`	`+ try argv.append("-D_SOFT_FLOAT");`
	`5772`	`+ try argv.append("-D_SOFT_DOUBLE");`
	`5773`	`+ }`
	`5774`	`+`
`5768`	`5775`	`if (out_dep_path) \|p\| {`
`5769`	`5776`	`try argv.appendSlice(&[_][]const u8{ "-MD", "-MV", "-MF", p });`
`5770`	`5777`	`}`