From 25c3bd8593e4afa76cfb5627d92215a66d19f880 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Storsj=C3=B6?= <martin@martin.st>
Date: Fri, 15 Mar 2019 23:53:20 +0200
Subject: [PATCH] Set LLVM_COMPILER_CHECKED when bootstrapping
 libunwind/libcxxabi/libcxx

The checks behind LLVM_COMPILER_CHECKED fail if there's no libc++
available for linking.

This fixes building libunwind/libcxxabi/libcxx with newer versions
of llvm, if the llvm installation isn't stripped.
---
 build-libcxx.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/build-libcxx.sh b/build-libcxx.sh
index 9bcc558..79b0596 100755
--- a/build-libcxx.sh
+++ b/build-libcxx.sh
@@ -99,6 +99,7 @@ build_all() {
             -DCMAKE_SYSTEM_NAME=Windows \
             -DCMAKE_C_COMPILER_WORKS=TRUE \
             -DCMAKE_CXX_COMPILER_WORKS=TRUE \
+            -DLLVM_COMPILER_CHECKED=TRUE \
             -DCMAKE_AR=$PREFIX/bin/llvm-ar \
             -DCMAKE_RANLIB=$PREFIX/bin/llvm-ranlib \
             -DLLVM_NO_OLD_LIBSTDCXX=TRUE \
@@ -148,6 +149,7 @@ build_all() {
             -DCMAKE_SYSTEM_NAME=Windows \
             -DCMAKE_C_COMPILER_WORKS=TRUE \
             -DCMAKE_CXX_COMPILER_WORKS=TRUE \
+            -DLLVM_COMPILER_CHECKED=TRUE \
             -DCMAKE_AR=$PREFIX/bin/llvm-ar \
             -DCMAKE_RANLIB=$PREFIX/bin/llvm-ranlib \
             -DLIBCXXABI_USE_COMPILER_RT=ON \
@@ -186,6 +188,7 @@ build_all() {
             -DCMAKE_SYSTEM_NAME=Windows \
             -DCMAKE_C_COMPILER_WORKS=TRUE \
             -DCMAKE_CXX_COMPILER_WORKS=TRUE \
+            -DLLVM_COMPILER_CHECKED=TRUE \
             -DCMAKE_AR=$PREFIX/bin/llvm-ar \
             -DCMAKE_RANLIB=$PREFIX/bin/llvm-ranlib \
             -DLIBCXX_USE_COMPILER_RT=ON \