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From 7ca53e00b5f85b8842a2a846f0026d63791498cc Mon Sep 17 00:00:00 2001
From: Yixun Lan <dlan@gentoo.org>
Date: Wed, 16 Feb 2022 22:24:16 +0800
Subject: [PATCH] openvdb: fix missing atomic lib
explicitly pass -pthread to work around pthread builtin since glibc-2.34,
as we need -pthread to pull in libatomic for machines like riscv
Bug: https://bugs.gentoo.org/833372
Original-from: Alex Fan <alex.fan.q@gmail.com>
Signed-off-by: Yixun Lan <dlan@gentoo.org>
---
nanovdb/nanovdb/CMakeLists.txt | 3 +++
openvdb/openvdb/CMakeLists.txt | 3 +++
2 files changed, 6 insertions(+)
diff --git a/nanovdb/nanovdb/CMakeLists.txt b/nanovdb/nanovdb/CMakeLists.txt
index 296dbb0..afc4f0c 100644
--- a/nanovdb/nanovdb/CMakeLists.txt
+++ b/nanovdb/nanovdb/CMakeLists.txt
@@ -69,6 +69,9 @@ if(UNIX)
# forces the compiler -pthread flag vs -lpthread
set(THREADS_PREFER_PTHREAD_FLAG TRUE)
find_package(Threads REQUIRED)
+ if(CMAKE_USE_PTHREADS_INIT)
+ target_link_libraries(Threads::Threads INTERFACE -pthread)
+ endif()
endif()
if(NANOVDB_BUILD_UNITTESTS OR NANOVDB_BUILD_BENCHMARK)
diff --git a/openvdb/openvdb/CMakeLists.txt b/openvdb/openvdb/CMakeLists.txt
index 1d5b75f..22988b7 100644
--- a/openvdb/openvdb/CMakeLists.txt
+++ b/openvdb/openvdb/CMakeLists.txt
@@ -202,6 +202,9 @@ endif()
if(UNIX)
find_package(Threads REQUIRED)
+ if(CMAKE_USE_PTHREADS_INIT)
+ target_link_libraries(Threads::Threads INTERFACE -pthread)
+ endif()
endif()
# Set deps. Note that the order here is important. If we're building against
--
2.35.1
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