[GNUnet-SVN] [gnurl] 103/254: buildconf: fix hang on IRIX

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ng0 pushed a commit to annotated tag gnurl-7.54.1
in repository gnurl.

commit 6c7f1f741bcbf8e408c9c7ced078cd1cef70af2c
Author: canavan at github <address@hidden>
AuthorDate: Sun May 7 00:06:56 2017 +0200

    buildconf: fix hang on IRIX
    
    Apparently, /usr/bin/m4 ignores the --version parameter and waits for
    input from stdin.
    
    Fixes #1471
---
 buildconf | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/buildconf b/buildconf
index 0d998c2bf..940559652 100755
--- a/buildconf
+++ b/buildconf
@@ -6,7 +6,7 @@
 #                            | (__| |_| |  _ <| |___
 #                             \___|\___/|_| \_\_____|
 #
-# Copyright (C) 1998 - 2014, Daniel Stenberg, <address@hidden>, et al.
+# Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
 #
 # This software is licensed as described in the file COPYING, which
 # you should have received as part of this distribution. The terms
@@ -255,7 +255,7 @@ echo "buildconf: libtoolize version $lt_version (ok)"
 #--------------------------------------------------------------------------
 # m4 check
 #
-m4=`(${M4:-m4} --version || ${M4:-gm4} --version) 2>/dev/null | head -n 1`;
+m4=`(${M4:-m4} --version 0<&- || ${M4:-gm4} --version) 2>/dev/null 0<&- | head 
-n 1`;
 m4_version=`echo $m4 | sed -e 's/^.* \([0-9]\)/\1/' -e 's/[a-z]* *$//'`
 
 if { echo $m4 | grep "GNU" >/dev/null 2>&1; } then

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