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wget: fix build against uclibc snapshot

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Same fix as a728e2fe3 (coreutils: fix build against uclibc snapshot).

uClibc development version adds support for POSIX spawn routines. However,
unlike glibc these routines are in librt. This breaks gnulib autoconf
detection. Teach gnulib autoconf to look for POSIX spawn in librt.

Fixes:
http://autobuild.buildroot.net/results/bc20297dad0f0e9b7fa79fe835b9754fbce6dfdf/

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Baruch Siach 2014-03-03 11:06:50 +02:00 committed by Thomas Petazzoni
parent ee56c351b7
commit 84bf8f04c6
2 changed files with 43 additions and 0 deletions
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40
package/wget/wget-0001-spawn-fix-link-error-on-uclibc.patch Normal file
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@ -0,0 +1,40 @@
From d6eab2e70fc5ccc82a73e5c988b76a229e4cd3d5 Mon Sep 17 00:00:00 2001
Message-Id: <d6eab2e70fc5ccc82a73e5c988b76a229e4cd3d5.1393836674.git.baruch@tkos.co.il>
From: =?UTF-8?q?P=C3=A1draig=20Brady?= <P@draigBrady.com>
Date: Tue, 14 Jan 2014 16:59:07 +0000
Subject: [PATCH] spawn: fix link error on uclibc
* m4/spawn_h.m4 (gl_HAVE_POSIX_SPAWN): use AC_SEARCH_LIBS,
to incorporate -lrt if needed (on uclibc for example).
* modules/posix_spawn: Reference the substituted LIB.
Patch status: upstream (gnulib commit d6eab2e70fc5ccc82a73e5c988b76a229e4cd3d5)
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
---
diff --git a/m4/spawn_h.m4 b/m4/spawn_h.m4
index 87fe12298471..3eb835c3c2a8 100644
--- a/m4/spawn_h.m4
+++ b/m4/spawn_h.m4
@@ -64,7 +64,15 @@ AC_DEFUN([gl_HAVE_POSIX_SPAWN],
dnl once only, before all statements that occur in other macros.
AC_REQUIRE([gl_SPAWN_H_DEFAULTS])
- AC_CHECK_FUNCS_ONCE([posix_spawn])
+ LIB_POSIX_SPAWN=
+ AC_SUBST([LIB_POSIX_SPAWN])
+ gl_saved_libs=$LIBS
+ AC_SEARCH_LIBS([posix_spawn], [rt],
+ [test "$ac_cv_search_posix_spawn" = "none required" ||
+ LIB_POSIX_SPAWN=$ac_cv_search_posix_spawn])
+ AC_CHECK_FUNCS([posix_spawn])
+ LIBS=$gl_saved_libs
+
if test $ac_cv_func_posix_spawn != yes; then
HAVE_POSIX_SPAWN=0
fi
--
1.9.0

3
package/wget/wget.mk
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@ -10,6 +10,9 @@ WGET_SITE = $(BR2_GNU_MIRROR)/wget
WGET_LICENSE = GPLv3+
WGET_LICENSE_FILES = COPYING
# patching gnulib .m4 file
WGET_AUTORECONF = YES
# Prefer full-blown wget over busybox
ifeq ($(BR2_PACKAGE_BUSYBOX),y)
WGET_DEPENDENCIES += busybox