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-rw-r--r--configure.ac3
1 files changed, 2 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index a316f2954..f37a97c7f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1053,7 +1053,8 @@ AC_CHECK_FUNCS(strftime difftime gettimeofday \
 	       nl_langinfo \
 	       erand48 open_memstream \
 	       wctomb iconv \
-	       grantpt unlockpt ptsname)
+	       grantpt unlockpt ptsname \
+	       htons ntohs)
 AC_FUNC_STRCOLL
 
 if test x$enable_cap = xyes; then