esac
AM_CONDITIONAL(POWERPC_DARWIN,test x$powerpc_darwin = xtrue)
+# Darwin needs a few extra special tests to deal with variation in the
+# system headers.
+case "$host" in
+ powerpc*-*-darwin*)
+ AC_CHECK_MEMBER(ppc_thread_state_t.r0,
+ AC_DEFINE(HAS_PPC_THREAD_STATE_R0,,[ppc_thread_state_t has field r0]),,
+ [#include <mach/thread_status.h>])
+ AC_CHECK_MEMBER(ppc_thread_state_t.__r0,
+ AC_DEFINE(HAS_PPC_THREAD_STATE___R0,,dnl
+ [ppc_thread_state_t has field __r0]),,
+ [#include <mach/thread_status.h>])
+ AC_CHECK_MEMBER(ppc_thread_state64_t.r0,
+ AC_DEFINE(HAS_PPC_THREAD_STATE64_R0,,dnl
+ [ppc_thread_state64_t has field r0]),,
+ [#include <mach/thread_status.h>])
+ AC_CHECK_MEMBER(ppc_thread_state64_t.__r0,
+ AC_DEFINE(HAS_PPC_THREAD_STATE64___R0,,dnl
+ [ppc_thread_state64_t has field __r0]),,
+ [#include <mach/thread_status.h>])
+ ;;
+ i?86*-*-darwin*)
+ AC_CHECK_MEMBER(i386_thread_state_t.eax,
+ AC_DEFINE(HAS_I386_THREAD_STATE_EAX,,dnl
+ [i386_thread_state_t has field eax]),,
+ [#include <mach/thread_status.h>])
+ AC_CHECK_MEMBER(i386_thread_state_t.__eax,
+ AC_DEFINE(HAS_I386_THREAD_STATE___EAX,,dnl
+ [i386_thread_state_t has field __eax]),,
+ [#include <mach/thread_status.h>])
+ ;;
+ *) ;;
+esac
+
# We never want libdl on darwin. It is a fake libdl that just ends up making
# dyld calls anyway
case "$host" in