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44 lines
1.5 KiB
44 lines
1.5 KiB
https://github.com/openSUSE/xinetd/pull/42
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From 0539bd4450020c83c6b72eec1004e3ce3f64554b Mon Sep 17 00:00:00 2001
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From: Sam James <sam@gentoo.org>
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Date: Sat, 10 Sep 2022 13:59:20 +0100
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Subject: [PATCH 1/2] configure.ac: use AC_USE_SYSTEM_EXTENSIONS
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We use fcvt and gcvt, both of which are extensions
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guarded by GNU_SOURCE. Use AC_USE_SYSTEM_EXTENSIONS
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to ensure they're always available.
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Fixes a build failure on musl with Clang 15:
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```
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src/sio/sprint.c:176:15: error: call to undeclared function 'fcvt'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
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p = (char *)fcvt( num, precision, &decimal_point, is_negative ) ;
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src/sio/sprint.c:178:15: error: call to undeclared function 'ecvt'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
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p = (char *)ecvt( num, precision+1, &decimal_point, is_negative ) ;
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```
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And drop a single #define _GNU_SOURCE from signals.c, as it's
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preferable to have it consistently defined across the codebase
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where possible. We have autotools, so let's use it.
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--- a/configure.ac
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+++ b/configure.ac
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@@ -38,6 +38,8 @@ AC_CHECK_LIB([m], [log10], [
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])
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AC_SUBST([LIBM_LIBS])
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+AC_USE_SYSTEM_EXTENSIONS
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+
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# ======================================
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# Check for various headers and settings
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# ======================================
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--- a/src/signals.c
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+++ b/src/signals.c
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@@ -7,7 +7,6 @@
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#include "config.h"
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-#define _GNU_SOURCE
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#include <sys/types.h>
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#include <sys/time.h>
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#include <signal.h>
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