From 79f96edcb6cb178a7e820a92164aaa9a5b379468 Mon Sep 17 00:00:00 2001
From: Sadie Powell <sadie@witchery.services>
Date: Sat, 19 Jun 2021 20:13:28 +0100
Subject: [PATCH] Avoid using -pthreads on Haiku.

---
 make/template/main.mk | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/make/template/main.mk b/make/template/main.mk
index a280c8f97..9ebb8fef1 100644
--- a/make/template/main.mk
+++ b/make/template/main.mk
@@ -102,8 +102,9 @@ endif
 
 # The libc++ and libstdc++ <thread> implementation still requires
 # manually linking against pthreads on all systems other than macOS
-# where pthreads is linked by default as part of libSystem.
-ifneq ($(SYSTEM), darwin)
+# and Haiku where pthreads are linked by default as part of libSystem
+# and libroot respectively.
+ifneq ($(SYSTEM), $(filter $(SYSTEM), darwin haiku))
   LDLIBS += -pthread
 endif