+case "$host_os" in
+mingw*)
+ # The above checks only detect system headers, not the headers in
+ # ./include/mingw/, so explicitly define them to be available.
+ AC_DEFINE(HAVE_LINUX_TYPES_H, 1)
+ AC_DEFINE(HAVE_SYS_STAT_H, 1)
+ AC_DEFINE(HAVE_SYS_SYSMACROS_H, 1)
+ AC_DEFINE(HAVE_SYS_TYPES_H, 1)
+ AC_DEFINE(HAVE_UNISTD_H, 1)
+ ;;
+esac