internal/rosa/llvm: set LLVM_LIT_ARGS

This replaces the progress bar, which was worse than useless.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/llvm.go

@@ -125,6 +125,8 @@ func (t Toolchain) newLLVMVariant(variant string, attr *llvmAttr) pkg.Artifact {
 
 			[2]string{"LLVM_INSTALL_BINUTILS_SYMLINKS", "ON"},
 			[2]string{"LLVM_INSTALL_CCTOOLS_SYMLINKS", "ON"},
+
+			[2]string{"LLVM_LIT_ARGS", "'--verbose'"},
 		)
 	}