From 9c3f6fda10049080f883072255059ffacb3c8c7e Mon Sep 17 00:00:00 2001
From: Valentin Haenel <vhaenel@anaconda.com>
Date: Thu, 17 Jun 2021 17:10:32 +0200
Subject: [PATCH] don't export LLVM symbols on OSX too

As title
---
 ffi/CMakeLists.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/ffi/CMakeLists.txt b/ffi/CMakeLists.txt
index df870da6d..6e9322ad8 100755
--- a/ffi/CMakeLists.txt
+++ b/ffi/CMakeLists.txt
@@ -64,4 +64,12 @@ target_link_libraries(llvmlite ${llvm_libs})
 # -flto and --exclude-libs allow us to remove those parts of LLVM we don't use
 if(${CMAKE_SYSTEM_NAME} MATCHES "Linux" OR ${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
     set_property(TARGET llvmlite APPEND_STRING PROPERTY LINK_FLAGS "-flto -Wl,--exclude-libs,ALL")
+elseif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+    set(LLVM_EXCLUDE_SYMBOLS "-Wl,-unexported_symbol,__ZTVN4llvm* \
+                              -Wl,-unexported_symbol,__ZNK4llvm* \
+                              -Wl,-unexported_symbol,__ZN4llvm* \
+                              -Wl,-unexported_symbol,__ZTIN4llvm* \
+                              -Wl,-unexported_symbol,_LLVM*  \
+                              -Wl,-unexported_symbol,__ZTSN4llvm*")
+    set_property(TARGET llvmlite APPEND_STRING PROPERTY LINK_FLAGS "${LLVM_SYMBOLS_AVOID}")
 endif()