AC_SUBST([WINDOWS_CPPFLAGS], [$WINDOWS_CPPFLAGS])
AC_SUBST([WINDOWS_CFLAGS], [$WINDOWS_CFLAGS])
AM_CONDITIONAL([WINDOWS_NATIVE_BUILD], [test "x$WINDOWS_NATIVE_BUILD" = "xyes"])
AC_SUBST([WINDOWS_CPPFLAGS], [$WINDOWS_CPPFLAGS])
AC_SUBST([WINDOWS_CFLAGS], [$WINDOWS_CFLAGS])
AM_CONDITIONAL([WINDOWS_NATIVE_BUILD], [test "x$WINDOWS_NATIVE_BUILD" = "xyes"])