From bcc65fb491ca6e83e1ea300f4462a2f56d0b5937 Mon Sep 17 00:00:00 2001
From: Colin Cross <ccross@google.com>
Date: Thu, 3 Mar 2022 22:17:15 -0800
Subject: [PATCH] Pass through more LIBCXX_* variables  to libfuzzer's custom
 lib++

Pass LIBCXX_HAS_PTHREAD_LIB, LIBCXX_HAS_RT_LIB  and LIBCXXABI_HAS_PTHREAD_LIB
through to the custom lib++ builds so that libfuzzer  doesn't end up with a .deplibs section that
links against those libraries when the variables are set to false.

Reviewed By: phosek

Differential Revision: https://reviews.llvm.org/D120946
---
 compiler-rt/cmake/Modules/AddCompilerRT.cmake | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/compiler-rt/cmake/Modules/AddCompilerRT.cmake b/compiler-rt/cmake/Modules/AddCompilerRT.cmake
index ebabaf186751..0d6dd8f500ce 100644
--- a/compiler-rt/cmake/Modules/AddCompilerRT.cmake
+++ b/compiler-rt/cmake/Modules/AddCompilerRT.cmake
@@ -602,6 +602,9 @@ macro(add_custom_libcxx name prefix)
     CMAKE_READELF
     CMAKE_SYSROOT
     LIBCXX_HAS_MUSL_LIBC
+    LIBCXX_HAS_PTHREAD_LIB
+    LIBCXX_HAS_RT_LIB
+    LIBCXXABI_HAS_PTHREAD_LIB
     PYTHON_EXECUTABLE
     Python3_EXECUTABLE
     Python2_EXECUTABLE
-- 
2.35.1.723.g4982287a31-goog