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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 2871dcb7c..175d90433 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1295,7 +1295,7 @@ AC_CHECK_FUNCS(strftime strptime mktime timelocal \
 	       select poll \
 	       readlink faccessx fchdir ftruncate \
 	       fstat lstat lchown fchown fchmod \
-	       fseeko ftello \
+	       fpurge fseeko ftello \
 	       mkfifo _mktemp mkstemp \
 	       waitpid wait3 \
 	       sigaction sigblock sighold sigrelse sigsetmask sigprocmask \