[libcxx-commits] [libcxxabi] [libcxx] make LIBCXXABI_PTHREAD_LIB_NAME configurable (PR #126609)

[Matt McCormick via libcxx-commits]

https://github.com/thewtex created https://github.com/llvm/llvm-project/pull/126609

Alternative is "wasi-emulated-pthread".


>From 073cefffca626d76a13982ce46839a89523ab832 Mon Sep 17 00:00:00 2001
From: Matt McCormick <matt at mmmccormick.com>
Date: Wed, 22 Jan 2025 14:50:48 -0500
Subject: [PATCH] [libcxx] make LIBCXXABI_PTHREAD_LIB_NAME configurable

Alternative is "wasi-emulated-pthread".
---
 libcxxabi/src/CMakeLists.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libcxxabi/src/CMakeLists.txt b/libcxxabi/src/CMakeLists.txt
index 0a6fc892a4f6993..4bc8884e07b8ee6 100644
--- a/libcxxabi/src/CMakeLists.txt
+++ b/libcxxabi/src/CMakeLists.txt
@@ -69,7 +69,8 @@ endif()
 
 if (NOT APPLE) # On Apple platforms, we always use -nostdlib++ so we don't need to re-add other libraries
   if (LIBCXXABI_ENABLE_THREADS)
-    add_library_flags_if(LIBCXXABI_HAS_PTHREAD_LIB pthread)
+    set(LIBCXXABI_PTHREAD_LIB_NAME "pthread" CACHE STRING "")
+    add_library_flags_if(LIBCXXABI_HAS_PTHREAD_LIB ${LIBCXXABI_PTHREAD_LIB_NAME})
   endif()
 
   add_library_flags_if(LIBCXXABI_HAS_C_LIB c)