arch/posix: Workaround race condition in glibc

Explicitly link with libgcc_s to work around a race condition
in glibc when dynamically loading libgcc_s in multiple threads.

The race condition was observed when running native_sim with
CONFIG_REBOOT=y and CONFIG_NATIVE_SIM_REBOOT=y and rebooting quickly
from main().

Signed-off-by: Tim Pambor <[email protected]>

Author: tpambor

arch/posix/CMakeLists.txt

@@ -133,6 +133,10 @@ if (CONFIG_GPROF)
   target_link_options(native_simulator INTERFACE "-pg")
 endif()
 
+# Explicitly link with libgcc_s to work around a race condition in glibc when
+# dynamically loading libgcc_s in multiple threads.
+target_link_options(native_simulator INTERFACE "-lgcc_s")
+
 #
 # Support for the LLVM Sanitizer toolchain instrumentation frameworks
 # (supported by current gcc's as well)