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-rw-r--r--configure.ac4
1 files changed, 2 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac
index 0efaaecc..c8fdb5e4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -626,8 +626,8 @@ gl_GETOPT
# Find the best function to set timestamps.
AC_CHECK_FUNCS([futimens futimes futimesat utimes utime], [break])
-# This is nice to have but not mandatory.
-AC_CHECK_FUNCS([posix_fadvise])
+# These are nice to have but not mandatory.
+AC_CHECK_FUNCS([posix_fadvise pipe2])
TUKLIB_PROGNAME
TUKLIB_INTEGER