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-rw-r--r--ares/configure.ac3
1 files changed, 3 insertions, 0 deletions
diff --git a/ares/configure.ac b/ares/configure.ac
index e5f9531db..7e97d6095 100644
--- a/ares/configure.ac
+++ b/ares/configure.ac
@@ -71,6 +71,9 @@ AC_CHECK_HEADERS(
arpa/nameser_compat.h \
arpa/inet.h, , ,
[
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
dnl We do this default-include simply to make sure that the nameser_compat.h
dnl header *REALLY* can be include after the new nameser.h. It seems AIX 5.1
dnl (and others?) is not designed to allow this.