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Re: [PATCH] test-canonicalize: avoid a build failure

From: Bruno Haible
Subject: Re: [PATCH] test-canonicalize: avoid a build failure
Date: Tue, 11 Feb 2020 03:27:53 +0100
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> * tests/test-canonicalize.c: Protect the inclusion of null-ptr.h
> with the same guard as that used to protect usage of the null_ptr
> function

The same thing is needed in test-ptsname_r.c:

2020-02-10  Bruno Haible  <address@hidden>

        ptsname_r-tests: Avoid unused function warning.
        * tests/test-ptsname_r.c: Don't include null-ptr.h if we don't need it.

diff --git a/tests/test-ptsname_r.c b/tests/test-ptsname_r.c
index 24be52f..381e3da 100644
--- a/tests/test-ptsname_r.c
+++ b/tests/test-ptsname_r.c
@@ -36,7 +36,10 @@ SIGNATURE_CHECK (ptsname_r, int, (int, char *, size_t));
 #include "same-inode.h"
-#include "null-ptr.h"
+#if GNULIB_defined_ptsname_r
+# include "null-ptr.h"
 #include "macros.h"
 /* Compare two slave names.

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