commit 0f56304521db42bd2c05867fd78a247104a4ad95
Author: Henrique Marks <henrique.marks@datacom.ind.br>
Date: Mon, 7 Dec 2015 12:08:45 -0200

    merge_config.sh: create temporary files in /tmp

    Creating temporary files in /tmp (or the path pointed by $TMPDIR) allows the
    buildroot top directory to be read-only and shareable between multible builds.
    This follows what other scripts do, e.g. check-kernel-headers.sh.

    Signed-off-by: Henrique Marks <henrique.marks@datacom.ind.br>
    Signed-off-by: Carlos Santos <casantos@datacom.ind.br>
    Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

Index: kconfig/merge_config.sh
===================================================================
--- kconfig.orig/merge_config.sh
+++ kconfig/merge_config.sh
@@ -100,7 +100,7 @@ fi
 
 MERGE_LIST=$*
 SED_CONFIG_EXP="s/^\(# \)\{0,1\}\(CONFIG_[a-zA-Z0-9_]*\)[= ].*/\2/p"
-TMP_FILE=$(mktemp ./.tmp.config.XXXXXXXXXX)
+TMP_FILE=$(mktemp -t .tmp.config.XXXXXXXXXX)
 
 echo "Using $INITFILE as base"
 cat $INITFILE > $TMP_FILE