--- ghc-9.6.6.orig/rts/posix/Signals.c
+++ ghc-9.6.6/rts/posix/Signals.c
@@ -21,7 +21,7 @@
 
 #if defined(alpha_HOST_ARCH)
 # if defined(linux_HOST_OS)
-#  include <asm/fpu.h>
+#  include <bits/fenv.h>
 # else
 #  include <machine/fpu.h>
 # endif
