diff --git a/devel/boost-libs/files/patch-boost_fiber_detail_cpu__relax.hpp b/devel/boost-libs/files/patch-boost_fiber_detail_cpu__relax.hpp
new file mode 100644
index 000000000000..a089a9123a56
--- /dev/null
+++ b/devel/boost-libs/files/patch-boost_fiber_detail_cpu__relax.hpp
@@ -0,0 +1,11 @@
+--- boost/fiber/detail/cpu_relax.hpp.orig	2024-02-21 21:22:18 UTC
++++ boost/fiber/detail/cpu_relax.hpp
+@@ -59,7 +59,7 @@ namespace detail {
+ //               processors
+ // extended mnemonics (available with POWER7)
+ // yield   ==   or 27, 27, 27
+-# if defined(__POWERPC__) // Darwin PPC
++# if defined(__APPLE__) // Darwin PPC
+ # define cpu_relax() asm volatile ("or r27,r27,r27" ::: "memory");
+ # else
+ # define cpu_relax() asm volatile ("or 27,27,27" ::: "memory");