+AS_IF(
+ [test "x$enable_platform_auto" = "xyes"],
+ [AS_CASE([$host],
+ [aarch64-*-*], [enable_platform_arm64="yes"],
+ [powerpc*-*-*], [enable_platform_powerpc="yes"],
+ )]
+)
+
+AC_ARG_ENABLE(
+ [platform-arm64],
+ [AS_HELP_STRING(
+ [--enable-platform-arm64],
+ [build support for arm64 platforms [default=no]]
+ )]
+)
+AM_CONDITIONAL([PLATFORM_ARM64], [test "x$enable_platform_arm64" = "xyes"])
+
+AC_ARG_ENABLE(
+ [platform-powerpc],
+ [AS_HELP_STRING(
+ [--enable-platform-powerpc],
+ [build support for powerpc platforms [default=no]]
+ )]
+)
+AM_CONDITIONAL([PLATFORM_POWERPC], [test "x$enable_platform_powerpc" = "xyes"])
+
+AC_ARG_ENABLE(
+ [platform-ps3],
+ [AS_HELP_STRING(
+ [--enable-platform-ps3],
+ [build support for the PS3 game console [default=no]]
+ )])
+AM_CONDITIONAL([PLATFORM_PS3], [test "x$enable_platform_ps3" = "xyes"])