kumquat-buildroot/package/kvmtool/0001-avoid-redefining-PAGE_SIZE.patch
Thomas Petazzoni 4688b3a7e2 kvmtool: add patch to fix build with musl
This commit backports an upstream patch that fixes the build of
kvmtool with musl:

In file included from builtin-balloon.c:9:0:
include/kvm/kvm.h:22:0: warning: "PAGE_SIZE" redefined
 #define PAGE_SIZE (sysconf(_SC_PAGE_SIZE))

Fixes one part of:

  http://autobuild.buildroot.net/results/4459a909e735343d1cf768d30466bc3c57eca19e/

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2017-08-21 23:24:59 +02:00

43 lines
1.2 KiB
Diff

From bec1b0ced72dc0d49825d6b69d09296d13fd0af3 Mon Sep 17 00:00:00 2001
From: Andre Przywara <andre.przywara@arm.com>
Date: Tue, 21 Jul 2015 10:58:46 +0100
Subject: [PATCH] avoid redefining PAGE_SIZE
PAGE_SIZE may have been defined by the C libary (musl-libc does that).
So avoid redefining it here unconditionally, instead only use our
definition if none has been provided by the libc.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
[backport from upstream commit 4095fac878f618ae5e7384a1dc65ee34b6e05217.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
---
include/kvm/kvm.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/include/kvm/kvm.h b/include/kvm/kvm.h
index 754e029..37155db 100644
--- a/include/kvm/kvm.h
+++ b/include/kvm/kvm.h
@@ -11,6 +11,7 @@
#include <time.h>
#include <signal.h>
#include <sys/prctl.h>
+#include <limits.h>
#define SIGKVMEXIT (SIGRTMIN + 0)
#define SIGKVMPAUSE (SIGRTMIN + 1)
@@ -19,7 +20,9 @@
#define HOME_DIR getenv("HOME")
#define KVM_BINARY_NAME "lkvm"
+#ifndef PAGE_SIZE
#define PAGE_SIZE (sysconf(_SC_PAGE_SIZE))
+#endif
#define DEFINE_KVM_EXT(ext) \
.name = #ext, \
--
2.9.4