From f849f478592adef4b7c94511a43cfd87ac2dec8f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Storsj=C3=B6?= <martin@martin.st>
Date: Wed, 18 Oct 2017 23:48:15 +0300
Subject: [PATCH] Define LIBCXX_USE_COMPILER_RT while building libcxx

This makes a lot more libcxx cmake configure tests work as intended,
which makes a lot more -W* options added, resulting in much more build
warnings.
---
 Dockerfile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Dockerfile b/Dockerfile
index 0d0ece7..07c303c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -221,6 +221,7 @@ RUN cd libcxx && \
             -DCMAKE_CXX_COMPILER_WORKS=TRUE \
             -DCMAKE_AR=$TOOLCHAIN_PREFIX/bin/$AR \
             -DCMAKE_RANLIB=$TOOLCHAIN_PREFIX/bin/$RANLIB \
+            -DLIBCXX_USE_COMPILER_RT=ON \
             -DLIBCXX_INSTALL_HEADERS=ON \
             -DLIBCXX_ENABLE_EXCEPTIONS=$EXCEPTIONS \
             -DLIBCXX_ENABLE_THREADS=OFF \