From d6ad197d3c8452cd4d2548813e0b88a333ce11d6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jean-Micha=C3=ABl=20Celerier?=
 <jeanmichael.celerier+github@gmail.com>
Date: Sun, 1 Dec 2024 02:45:23 -0500
Subject: [PATCH] cmake: look for rdynamic instead of hardcoding it (#699)

---
 CMakeLists.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2948e56db..68fc79060 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -296,8 +296,8 @@ endif()
 if(MSVC)
   target_compile_definitions(snmalloc INTERFACE -D_HAS_EXCEPTIONS=0)
 else()
-  # All symbols are always dynamic on haiku and -rdynamic is redundant (and unsupported).
-  if (NOT CMAKE_SYSTEM_NAME STREQUAL "Haiku")
+  check_linker_flag(CXX "-rdynamic" SNMALLOC_LINKER_SUPPORT_RDYNAMIC)
+  if (SNMALLOC_LINKER_SUPPORT_RDYNAMIC)
     # Get better stack traces in CI and debug builds.
     target_link_options(snmalloc INTERFACE $<${ci_or_debug}:-rdynamic>)
   endif()