0089-riscv-Add-default-multilib.patch

From 30f6268cc35e75ace270c8e5c2d5b722c5e2bd9f Mon Sep 17 00:00:00 2001
From: Andrei Safronov <safronov@espressif.com>
Date: Wed, 5 Apr 2023 00:59:23 +0300
Subject: [PATCH 089/158] riscv: Add default multilib.

Make '-print-multi-lib' output compatible with GCC
---
 clang/lib/Driver/ToolChains/Gnu.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
index 73749adb9963..708975524d80 100644
--- a/clang/lib/Driver/ToolChains/Gnu.cpp
+++ b/clang/lib/Driver/ToolChains/Gnu.cpp
@@ -1698,6 +1698,10 @@ static void findRISCVBareMetalMultilibs(const Driver &D,
       {"rv64imafdc", "lp64d"}};
 
   std::vector<Multilib> Ms;
+
+  if (TargetTriple.getVendor() == llvm::Triple::Espressif)
+    Ms.emplace_back(Multilib({}, {}, {}, -1));
+
   for (auto Element : RISCVMultilibSet) {
     // multilib path rule is ${march}/${mabi}
     Ms.emplace_back(
-- 
2.40.1