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-rw-r--r--configure.in4
1 files changed, 4 insertions, 0 deletions
diff --git a/configure.in b/configure.in
index 6f450d85..17ec9dc4 100644
--- a/configure.in
+++ b/configure.in
@@ -71,6 +71,10 @@ AC_SDL_MAIN_WORKAROUND([
AC_CHECK_HEADERS([linux/kd.h dev/isa/spkrio.h dev/speaker/speaker.h])
AC_CHECK_FUNCS(mmap sched_setaffinity)
+
+ # OpenBSD I/O i386 library for I/O port access.
+
+ AC_CHECK_LIB(i386, i386_iopl)
])
AC_CHECK_TOOL(WINDRES, windres, )