[Xen-changelog] [xen master] Fix issues introduced in 3a7f872a

[patchbot@xxxxxxx]

commit 8fec44f23cf59d9be02df055b40e9f9536a0d570
Author:     Wei Liu <wei.liu2@xxxxxxxxxx>
AuthorDate: Mon Sep 19 19:13:04 2016 +0100
Commit:     Wei Liu <wei.liu2@xxxxxxxxxx>
CommitDate: Tue Sep 20 14:05:11 2016 +0100

    Fix issues introduced in 3a7f872a
    
    3a7f872a ("tools: lift BUILD_BUG_ON to a tools header file") was taken
    out from an rather old half finished branch by dropping unrelated
    changes.  Unfortunately two issues sneaked in.
    
    1. Hvmloader should be standalone. Revert the changes to hvmloader.
    2. The define guard in libs.h was erroneously deleted. Add that back.
    
    Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
---
 tools/firmware/hvmloader/rombios.c | 1 -
 tools/firmware/hvmloader/smbios.c  | 1 -
 tools/firmware/hvmloader/util.h    | 1 +
 tools/include/xen-tools/libs.h     | 1 +
 4 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/firmware/hvmloader/rombios.c 
b/tools/firmware/hvmloader/rombios.c
index 1e853ec..9acf03f 100644
--- a/tools/firmware/hvmloader/rombios.c
+++ b/tools/firmware/hvmloader/rombios.c
@@ -31,7 +31,6 @@
 #include "option_rom.h"
 
 #include <xen/hvm/params.h>
-#include <xen-tools/libs.h>
 
 #define ROM_INCLUDE_ROMBIOS
 #define ROM_INCLUDE_VGABIOS
diff --git a/tools/firmware/hvmloader/smbios.c 
b/tools/firmware/hvmloader/smbios.c
index 0e61bd1..210c7b0 100644
--- a/tools/firmware/hvmloader/smbios.c
+++ b/tools/firmware/hvmloader/smbios.c
@@ -26,7 +26,6 @@
 #include "util.h"
 #include "hypercall.h"
 #include <xen/hvm/hvm_xs_strings.h>
-#include <xen-tools/libs.h>
 
 /* SBMIOS handle base values */
 #define SMBIOS_HANDLE_TYPE0   0x0000
diff --git a/tools/firmware/hvmloader/util.h b/tools/firmware/hvmloader/util.h
index 94292d6..0fb266e 100644
--- a/tools/firmware/hvmloader/util.h
+++ b/tools/firmware/hvmloader/util.h
@@ -41,6 +41,7 @@ void __assert_failed(char *assertion, char *file, int line)
 void __bug(char *file, int line) __attribute__((noreturn));
 #define BUG() __bug(__FILE__, __LINE__)
 #define BUG_ON(p) do { if (p) BUG(); } while (0)
+#define BUILD_BUG_ON(p) ((void)sizeof(char[1 - 2 * !!(p)]))
 
 #define min_t(type,x,y) \
         ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
diff --git a/tools/include/xen-tools/libs.h b/tools/include/xen-tools/libs.h
index 9d8b4ab..e874fb8 100644
--- a/tools/include/xen-tools/libs.h
+++ b/tools/include/xen-tools/libs.h
@@ -1,4 +1,5 @@
 #ifndef __XEN_TOOLS_LIBS__
+#define __XEN_TOOLS_LIBS__
 
 #ifndef BUILD_BUG_ON
 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
--
generated by git-patchbot for /home/xen/git/xen.git#master

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