gentoo-overlay/app-crypt/efitools/files/xxdi.patch

From gregkh@linuxfoundation.org Sun Sep  1 14:55:47 2013
Date: Sun, 1 Sep 2013 14:58:15 -0700
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: JBottomley@Parallels.com, greg@kroah.com
Subject: [efitools PATCH] Makefile/Make.rules: don't rely on vim-core
Message-ID: <20130901215815.GA8749@kroah.com>

From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Subject: Makefile/Make.rules: don't rely on vim-core

This adds the xxdi.pl script to replace the call to 'xxd -i', removing a
build dependancy on vim-core, which some distros don't really want to
have (i.e. Gentoo and its build derivatives like ChromeOS and CoreOS.)

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 Make.rules |  2 +-
 Makefile   |  2 +-
 xxdi.pl    | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 52 insertions(+), 2 deletions(-)
 create mode 100755 xxdi.pl

diff --git a/Make.rules b/Make.rules
index 419b3b9..309b231 100644
--- a/Make.rules
+++ b/Make.rules
@@ -38,7 +38,7 @@ endif
 	nm -D $@ | grep ' U ' && exit 1 || exit 0
 
 %.h: %.auth
-	xxd -i $< > $@
+	./xxdi.pl $< > $@
 
 %.hash: %.efi hash-to-efi-sig-list
 	./hash-to-efi-sig-list $< $@
diff --git a/Makefile b/Makefile
index 52f4551..a39cafe 100644
--- a/Makefile
+++ b/Makefile
@@ -62,7 +62,7 @@ DB.auth: DB.esl KEK.crt sign-efi-sig-list
 
 hashlist.h: HashTool.hash
 	cat $^ > /tmp/tmp.hash
-	xxd -i /tmp/tmp.hash > $@
+	./xxdi.pl /tmp/tmp.hash > $@
 	rm -f /tmp/tmp.hash
 
 
diff --git a/xxdi.pl b/xxdi.pl
new file mode 100755
index 0000000..acc974c
--- /dev/null
+++ b/xxdi.pl
@@ -0,0 +1,50 @@
+#!/usr/bin/env perl
+#
+# xxdi.pl - perl implementation of 'xxd -i' mode
+#
+# Copyright 2013 Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+# Copyright 2013 Linux Foundation
+#
+# Released under the GPLv2.
+#
+# Implements the "basic" functionality of 'xxd -i' in perl to keep build
+# systems from having to build/install/rely on vim-core, which not all
+# distros want to do.  But everyone has perl, so use it instead.
+#
+
+use strict;
+use warnings;
+use File::Slurp qw(slurp);
+
+my $indata = slurp(@ARGV ? $ARGV[0] : \*STDIN);
+my $len_data = length($indata);
+my $num_digits_per_line = 12;
+my $var_name;
+my $outdata;
+
+# Use the variable name of the file we read from, converting '/' and '.
+# to '_', or, if this is stdin, just use "stdin" as the name.
+if (@ARGV) {
+	$var_name = $ARGV[0];
+	$var_name =~ s/\//_/g;
+	$var_name =~ s/\./_/g;
+} else {
+	$var_name = "stdin";
+}
+
+$outdata .= "unsigned char $var_name\[] = {";
+
+# trailing ',' is acceptable, so instead of duplicating the logic for
+# just the last character, live with the extra ','.
+for (my $key= 0; $key < $len_data; $key++) {
+	if ($key % $num_digits_per_line == 0) {
+		$outdata .= "\n\t";
+	}
+	$outdata .= sprintf("0x%.2x, ", ord(substr($indata, $key, 1)));
+}
+
+$outdata .= "\n};\nunsigned int $var_name\_len = $len_data;\n";
+
+binmode STDOUT;
+print {*STDOUT} $outdata;
+
-- 
1.8.4.6.g82e253f.dirty