Add patch for ppc64le grub2

0001-grub2-Use-linux16-only-on-x86-x86_64.patch

@@ -0,0 +1,69 @@
+From 13ea6852c33caecaf64b43e0018536e5aa29eaca Mon Sep 17 00:00:00 2001
+From: Colin Walters <walters@verbum.org>
+Date: Thu, 2 Mar 2017 21:30:10 -0500
+Subject: [PATCH] grub2: Use "linux16" only on x86/x86_64
+
+Got a report that a Fedora Atomic Host built for ppc64le didn't work with the
+`linux16`, it needed `linux`. See the comments for more links.
+---
+ src/libostree/ostree-bootloader-grub2.c | 30 ++++++++++++++++++++++++++++--
+ 1 file changed, 28 insertions(+), 2 deletions(-)
+
+diff --git a/src/libostree/ostree-bootloader-grub2.c b/src/libostree/ostree-bootloader-grub2.c
+index 0fbb098..e70517f 100644
+--- a/src/libostree/ostree-bootloader-grub2.c
++++ b/src/libostree/ostree-bootloader-grub2.c
+@@ -29,6 +29,20 @@
+ 
+ #include <string.h>
+ 
++/* I only did some cursory research here, but it appears
++ * that we only want to use "linux16" for x86 platforms.
++ * At least, I got a report that "linux16" is definitely wrong
++ * for ppc64.  See
++ * http://pkgs.fedoraproject.org/cgit/rpms/grub2.git/tree/0036-Use-linux16-when-appropriate-880840.patch?h=f25
++ * https://bugzilla.redhat.com/show_bug.cgi?id=1108296
++ * among others.
++ */
++#if defined(__i386__) || defined(__x86_64__)
++#define GRUB2_USES_16 1
++#else
++#define GRUB2_USES_16 0
++#endif
++
+ struct _OstreeBootloaderGrub2
+ {
+   GObject       parent_instance;
+@@ -203,7 +217,13 @@ _ostree_bootloader_grub2_generate_config (OstreeSysroot                 *sysroot
+       if (is_efi)
+         g_string_append (output, "linuxefi ");
+       else
+-        g_string_append (output, "linux16 ");
++        {
++#if GRUB2_USES_16
++          g_string_append (output, "linux16 ");
++#else
++          g_string_append (output, "linux ");
++#endif
++        }
+       g_string_append (output, kernel);
+ 
+       options = ostree_bootconfig_parser_get (config, "options");
+@@ -220,7 +240,13 @@ _ostree_bootloader_grub2_generate_config (OstreeSysroot                 *sysroot
+           if (is_efi)
+             g_string_append (output, "initrdefi ");
+           else
+-            g_string_append (output, "initrd16 ");
++            {
++#if GRUB2_USES_16
++              g_string_append (output, "initrd16 ");
++#else
++              g_string_append (output, "initrd ");
++#endif
++            }
+           g_string_append (output, initrd);
+           g_string_append_c (output, '\n');
+         }
+-- 
+2.9.3
+

ostree.spec

@@ -1,7 +1,7 @@
 Summary: Tool for managing bootable, immutable filesystem trees
 Name: ostree
 Version: 2017.2
-Release: 3%{?dist}
+Release: 4%{?dist}
 #VCS: git:git://git.gnome.org/ostree
 Source0: https://github.com/ostreedev/%{name}/releases/download/v%{version}/libostree-%{version}.tar.xz
 Source1: 91-ostree.preset
@@ -9,6 +9,7 @@ License: LGPLv2+
 URL: https://ostree.readthedocs.io/en/latest/
 
 Patch0: libmount-unref.patch
+Patch1: 0001-grub2-Use-linux16-only-on-x86-x86_64.patch
 
 BuildRequires: git
 # We always run autogen.sh
@@ -139,6 +140,9 @@ install -D -m 0644 %{SOURCE1} %{buildroot}%{_prefix}/lib/systemd/system-preset/9
 %endif
 
 %changelog
+* Fri Mar 03 2017 Colin Walters <walters@verbum.org> - 2017.2-4
+- Add patch for ppc64le grub2
+
 * Thu Feb 23 2017 Colin Walters <walters@verbum.org> - 2017.2-3
 - Backport libmount unref patch