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-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index a15733f19..073141d7a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -136,7 +136,7 @@ AC_SEARCH_LIBS([gethostbyname], [nsl])
AC_CHECK_FUNCS(pipe2 accept4 eventfd)
-AC_CHECK_FUNCS(strndup)
+AC_CHECK_FUNCS(strnlen strndup)
AC_SEARCH_LIBS([exp], [m],,
[AC_MSG_ERROR([exp() not found])])