7d987f16ed
The bump to the latest libevent version exposed a latent bug in tmux,
which tries to re-define a variable exposed by the C library.
This breaks with uClibc-ng which defines it const char*, while glibc and
musl define it as non-const.
Fixes:
http://autobuild.buildroot.org/results/31d/31d37c95b40d297b90a6181ec79c42ee1e2e5090/
http://autobuild.buildroot.org/results/ccc/ccc9d2e995ba1eaf19f6b325b0af5ebeb8066e7f/
http://autobuild.buildroot.org/results/8a2/8a28d43bd0c079c1b49b61b0c6ef7de79eda0549/
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
43 lines
1.2 KiB
Diff
43 lines
1.2 KiB
Diff
From 9b18a98614a9f201b0883c2b15e7c7bde0aa0ff2 Mon Sep 17 00:00:00 2001
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From: "Yann E. MORIN" <yann.morin.1998@free.fr>
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Date: Sun, 5 Feb 2017 17:12:00 +0100
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Subject: [PATCH] compat: don't re-define program_invocation_short_name
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program_invocation_short_name is defined in errno.h, and its definition
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can differ between the various C libraries: glibc defines it as:
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extern char *program_invocation_short_name;
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while uClibc defines it as:
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extern const char *program_invocation_short_name;
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So there is not simple solution to know the prototype.
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But since it is defined in errno.h, there is no reason to try and define
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it ourselves; let's just trust what the header provides.
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Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
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---
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compat/getprogname.c | 3 +--
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1 file changed, 1 insertion(+), 2 deletions(-)
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diff --git a/compat/getprogname.c b/compat/getprogname.c
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index 80a496d..ad619fc 100644
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--- a/compat/getprogname.c
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+++ b/compat/getprogname.c
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@@ -19,11 +19,10 @@
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#include "compat.h"
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#if defined(HAVE_PROGRAM_INVOCATION_SHORT_NAME)
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+#include <errno.h>
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const char *
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getprogname(void)
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{
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- extern char *program_invocation_short_name;
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-
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return (program_invocation_short_name);
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}
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#elif defined(HAVE___PROGNAME)
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--
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2.7.4
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