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-rw-r--r--ares/configure.ac8
1 files changed, 8 insertions, 0 deletions
diff --git a/ares/configure.ac b/ares/configure.ac
index 5080cf262..1bb474bfb 100644
--- a/ares/configure.ac
+++ b/ares/configure.ac
@@ -58,4 +58,12 @@ AC_HELP_STRING([--disable-debug],[Disable debug options]),
AC_MSG_RESULT(no)
)
+dnl check for a few basic system headers we need
+AC_CHECK_HEADERS(
+ sys/types.h \
+ sys/time.h \
+ sys/select.h \
+ sys/socket.h \
+ )
+
AC_OUTPUT(Makefile)