1 files changed, 28 insertions, 0 deletions

diff --git a/recipes-devtools/clang/clang/0021-llvm-Add-lz-to-linker-cmdline-if-enabled.patch b/recipes-devtools/clang/clang/0021-llvm-Add-lz-to-linker-cmdline-if-enabled.patch
new file mode 100644
index 0000000..8a8d35a
--- /dev/null
+++ b/recipes-devtools/clang/clang/0021-llvm-Add-lz-to-linker-cmdline-if-enabled.patch
@@ -0,0 +1,28 @@
+From d46267d3d548dbfae92f4958090af4567778c4bd Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Sat, 4 Jan 2020 01:00:06 -0800
+Subject: [PATCH] llvm: Add -lz to linker cmdline if enabled
+
+cmake's detection mechanism confuses libz.so during cross build and ends
+up linking with libz from build host which could be a different
+architecture and fail link
+
+see
+https://reviews.llvm.org/D70764#1803559
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ llvm/lib/Support/CMakeLists.txt | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/llvm/lib/Support/CMakeLists.txt b/llvm/lib/Support/CMakeLists.txt
+index 26332d4f539..8b58516330b 100644
+--- a/llvm/lib/Support/CMakeLists.txt
++++ b/llvm/lib/Support/CMakeLists.txt
+@@ -1,5 +1,5 @@
+ if(LLVM_ENABLE_ZLIB)
+-  set(system_libs ${ZLIB_LIBRARY})
++  set(system_libs z)
+ endif()
+ 
+ if( MSVC OR MINGW )