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-rw-r--r--libf2c/libI77/configure.in1
1 files changed, 1 insertions, 0 deletions
diff --git a/libf2c/libI77/configure.in b/libf2c/libI77/configure.in
index 7e920f91abd..f2f63597f64 100644
--- a/libf2c/libI77/configure.in
+++ b/libf2c/libI77/configure.in
@@ -134,6 +134,7 @@ else
AC_MSG_RESULT(no)
fi
+AC_CHECK_FUNCS(ftruncate)
AC_CHECK_FUNCS(mkstemp)
AC_CHECK_FUNCS(tempnam)