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From 71cf16e435bf5db64abcf81a9dc6dc36ce37d58d Mon Sep 17 00:00:00 2001
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: suggested by gnulib maintainer
(http://article.gmane.org/gmane.comp.lib.gnulib.bugs/33610), not in upstream
gnulib yet
This issue should be fixed in coreutils version 8.23.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
---
diff --git a/m4/spawn_h.m4 b/m4/spawn_h.m4
index 87fe122..3eb835c 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
--
1.7.7.6
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