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[pspp] / m4 / strerror_r.m4

diff --git a/m4/strerror_r.m4 b/m4/strerror_r.m4
index 6f8bd25f76a66408c5d198b68001ec087b82f519..6add64449f7d096a220830eef47c0dccc95a091e 100644 (file)
--- a/m4/strerror_r.m4
+++ b/m4/strerror_r.m4
@@ -5,6 +5,7 @@ dnl Determine whether the strerror_r implementation is one of
 dnl the broken ones that returns `int' rather than `char*'.
 dnl Actually, this tests only whether it returns a scalar
 dnl or an array, but that should be enough.
+dnl On at least DEC UNIX 4.0[A-D], strerror_r returns `int'.
 dnl This is used by lib/error.c.
 
 AC_DEFUN(jm_FUNC_STRERROR_R,