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-rw-r--r--configure.ac1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 6f5f9d3..d5be61c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -524,6 +524,7 @@ CARES_CHECK_FUNC_CONNECT
CARES_CHECK_FUNC_FCNTL
CARES_CHECK_FUNC_FREEADDRINFO
CARES_CHECK_FUNC_GETADDRINFO
+CARES_CHECK_FUNC_GETENV
CARES_CHECK_FUNC_GETHOSTBYADDR
CARES_CHECK_FUNC_GETHOSTBYNAME
CARES_CHECK_FUNC_GETHOSTNAME